/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.check.absence.of.data.races.in.concurrent.programs true --cacsl2boogietranslator.check.unreachability.of.error.function.in.sv-comp.mode false -i ../../../trunk/examples/svcomp/goblint-regression/06-symbeq_08-tricky_address3.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-4b0ab11 [2022-03-01 16:49:12,535 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-01 16:49:12,537 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-01 16:49:12,570 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-03-01 16:49:12,599 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-01 16:49:12,600 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-01 16:49:12,601 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-01 16:49:12,602 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 [2022-03-01 16:49:12,622 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-01 16:49:12,623 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-01 16:49:12,623 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-01 16:49:12,623 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-01 16:49:12,623 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-01 16:49:12,624 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-01 16:49:12,624 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-01 16:49:12,624 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-01 16:49:12,624 INFO L138 SettingsManager]: * Use SBE=true [2022-03-01 16:49:12,624 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-01 16:49:12,625 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-01 16:49:12,625 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-01 16:49:12,625 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-01 16:49:12,625 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-01 16:49:12,625 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-01 16:49:12,625 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-01 16:49:12,625 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-01 16:49:12,625 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-01 16:49:12,625 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-01 16:49:12,626 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-01 16:49:12,626 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-01 16:49:12,626 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-01 16:49:12,626 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-01 16:49:12,626 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-01 16:49:12,626 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-01 16:49:12,626 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-01 16:49:12,626 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-01 16:49:12,627 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-01 16:49:12,627 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-01 16:49:12,627 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-01 16:49:12,627 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-01 16:49:12,627 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-01 16:49:12,627 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-01 16:49:12,627 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2022-03-01 16:49:12,857 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-01 16:49:12,884 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-01 16:49:12,887 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-01 16:49:12,888 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-01 16:49:12,889 INFO L275 PluginConnector]: CDTParser initialized [2022-03-01 16:49:12,890 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/06-symbeq_08-tricky_address3.i [2022-03-01 16:49:12,943 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7cf751c39/65592aee0c90452785ea1a5791e96067/FLAGf11333383 [2022-03-01 16:49:13,462 INFO L306 CDTParser]: Found 1 translation units. [2022-03-01 16:49:13,462 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/06-symbeq_08-tricky_address3.i [2022-03-01 16:49:13,476 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7cf751c39/65592aee0c90452785ea1a5791e96067/FLAGf11333383 [2022-03-01 16:49:13,916 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7cf751c39/65592aee0c90452785ea1a5791e96067 [2022-03-01 16:49:13,918 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-01 16:49:13,919 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-01 16:49:13,921 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-01 16:49:13,921 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-01 16:49:13,924 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-01 16:49:13,924 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.03 04:49:13" (1/1) ... [2022-03-01 16:49:13,925 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3cc98869 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:49:13, skipping insertion in model container [2022-03-01 16:49:13,925 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.03 04:49:13" (1/1) ... [2022-03-01 16:49:13,931 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-01 16:49:13,966 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-01 16:49:14,337 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-01 16:49:14,351 INFO L203 MainTranslator]: Completed pre-run [2022-03-01 16:49:14,385 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-01 16:49:14,444 INFO L208 MainTranslator]: Completed translation [2022-03-01 16:49:14,445 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:49:14 WrapperNode [2022-03-01 16:49:14,445 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-01 16:49:14,446 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-01 16:49:14,446 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-01 16:49:14,446 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-01 16:49:14,452 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:49:14" (1/1) ... [2022-03-01 16:49:14,480 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:49:14" (1/1) ... [2022-03-01 16:49:14,501 INFO L137 Inliner]: procedures = 264, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 91 [2022-03-01 16:49:14,501 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-01 16:49:14,502 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-01 16:49:14,502 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-01 16:49:14,502 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-01 16:49:14,509 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:49:14" (1/1) ... [2022-03-01 16:49:14,510 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:49:14" (1/1) ... [2022-03-01 16:49:14,513 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:49:14" (1/1) ... [2022-03-01 16:49:14,513 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:49:14" (1/1) ... [2022-03-01 16:49:14,525 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:49:14" (1/1) ... [2022-03-01 16:49:14,543 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:49:14" (1/1) ... [2022-03-01 16:49:14,545 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:49:14" (1/1) ... [2022-03-01 16:49:14,547 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-01 16:49:14,548 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-01 16:49:14,548 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-01 16:49:14,548 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-01 16:49:14,549 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:49:14" (1/1) ... [2022-03-01 16:49:14,560 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-01 16:49:14,569 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 16:49:14,584 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) [2022-03-01 16:49:14,595 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 [2022-03-01 16:49:14,620 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-01 16:49:14,621 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-01 16:49:14,621 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-01 16:49:14,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-01 16:49:14,621 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-03-01 16:49:14,621 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-01 16:49:14,621 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-03-01 16:49:14,621 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-03-01 16:49:14,622 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-01 16:49:14,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-01 16:49:14,623 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-01 16:49:14,801 INFO L234 CfgBuilder]: Building ICFG [2022-03-01 16:49:14,803 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-01 16:49:15,046 INFO L275 CfgBuilder]: Performing block encoding [2022-03-01 16:49:15,052 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-01 16:49:15,052 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-03-01 16:49:15,054 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.03 04:49:15 BoogieIcfgContainer [2022-03-01 16:49:15,054 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-01 16:49:15,055 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-01 16:49:15,055 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-01 16:49:15,061 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-01 16:49:15,062 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.03 04:49:13" (1/3) ... [2022-03-01 16:49:15,063 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a40d3ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.03 04:49:15, skipping insertion in model container [2022-03-01 16:49:15,063 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:49:14" (2/3) ... [2022-03-01 16:49:15,063 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a40d3ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.03 04:49:15, skipping insertion in model container [2022-03-01 16:49:15,063 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.03 04:49:15" (3/3) ... [2022-03-01 16:49:15,065 INFO L111 eAbstractionObserver]: Analyzing ICFG 06-symbeq_08-tricky_address3.i [2022-03-01 16:49:15,069 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-01 16:49:15,070 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-01 16:49:15,070 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-03-01 16:49:15,070 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-01 16:49:15,133 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:15,133 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:15,133 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:15,133 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:15,134 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:15,134 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:15,134 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:15,134 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:15,134 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:15,135 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:15,135 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:15,135 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:15,135 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:15,135 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:15,136 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:15,136 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:15,136 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:15,136 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:15,136 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:15,136 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:15,137 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:15,137 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:15,137 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:15,137 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:15,137 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:15,137 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:15,137 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:15,137 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:15,137 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:15,138 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:15,138 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:15,138 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:15,138 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:15,138 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:15,138 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:15,138 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:15,139 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:15,139 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:15,139 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:15,139 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:15,139 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:15,139 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:15,140 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:15,140 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:15,140 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:15,140 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:15,140 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:15,140 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:15,140 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:15,140 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:15,141 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:15,141 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:15,141 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:15,141 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:15,141 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:15,141 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:15,141 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:15,141 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:15,142 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:15,142 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:15,142 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:15,142 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:15,142 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:15,142 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:15,142 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:15,142 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:15,143 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:15,143 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:15,143 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:15,145 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:15,145 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:15,146 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:15,146 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:15,146 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:15,146 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:15,146 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:15,147 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:15,147 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:15,147 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:15,148 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:15,148 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:15,148 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:15,149 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:15,150 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:15,150 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:15,150 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:15,150 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:15,150 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:15,151 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:15,151 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:15,151 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:15,151 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:15,152 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:15,153 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:15,155 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:15,156 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:15,156 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:15,161 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:15,161 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:15,161 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:15,161 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:15,161 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:15,162 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:15,162 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:15,162 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:15,162 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:15,162 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:15,162 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:15,163 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:15,163 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:15,163 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:15,163 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:15,163 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:15,163 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:15,164 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:15,164 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:15,165 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:15,165 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:15,165 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:15,166 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:15,166 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:15,166 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:15,166 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:15,166 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:15,166 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:15,166 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:15,167 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:15,167 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:15,167 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:15,167 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:15,167 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:15,167 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:15,167 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:15,167 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:15,168 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:15,170 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:15,171 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:15,171 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:15,171 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:15,171 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:15,171 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:15,171 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:15,171 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:15,172 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:15,172 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:15,172 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:15,175 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:15,176 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:15,176 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:15,176 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:15,176 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:15,176 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:15,176 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:15,177 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:15,177 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:15,177 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:15,177 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:15,177 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:15,177 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:15,177 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:15,177 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:49:15,180 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-03-01 16:49:15,223 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-01 16:49:15,230 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 [2022-03-01 16:49:15,231 INFO L340 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2022-03-01 16:49:15,245 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 106 places, 106 transitions, 217 flow [2022-03-01 16:49:15,325 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 1195 states, 1187 states have (on average 1.9553496208930077) internal successors, (2321), 1194 states have internal predecessors, (2321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:15,328 INFO L276 IsEmpty]: Start isEmpty. Operand has 1195 states, 1187 states have (on average 1.9553496208930077) internal successors, (2321), 1194 states have internal predecessors, (2321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:15,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-03-01 16:49:15,336 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:15,336 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:49:15,337 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:49:15,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:15,341 INFO L85 PathProgramCache]: Analyzing trace with hash -1316832337, now seen corresponding path program 1 times [2022-03-01 16:49:15,348 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:15,348 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1157497710] [2022-03-01 16:49:15,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:15,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:15,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:15,529 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:49:15,529 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:15,530 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1157497710] [2022-03-01 16:49:15,530 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1157497710] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:49:15,530 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:49:15,530 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-01 16:49:15,532 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442740989] [2022-03-01 16:49:15,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:49:15,535 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-03-01 16:49:15,535 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:15,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-03-01 16:49:15,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-03-01 16:49:15,559 INFO L87 Difference]: Start difference. First operand has 1195 states, 1187 states have (on average 1.9553496208930077) internal successors, (2321), 1194 states have internal predecessors, (2321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:15,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:15,607 INFO L93 Difference]: Finished difference Result 1195 states and 2288 transitions. [2022-03-01 16:49:15,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-01 16:49:15,612 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2022-03-01 16:49:15,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:15,632 INFO L225 Difference]: With dead ends: 1195 [2022-03-01 16:49:15,632 INFO L226 Difference]: Without dead ends: 1183 [2022-03-01 16:49:15,634 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-03-01 16:49:15,637 INFO L933 BasicCegarLoop]: 101 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-01 16:49:15,638 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 101 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-01 16:49:15,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1183 states. [2022-03-01 16:49:15,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1183 to 1183. [2022-03-01 16:49:15,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1183 states, 1173 states have (on average 1.9309462915601023) internal successors, (2265), 1182 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) [2022-03-01 16:49:15,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1183 states to 1183 states and 2265 transitions. [2022-03-01 16:49:15,752 INFO L78 Accepts]: Start accepts. Automaton has 1183 states and 2265 transitions. Word has length 37 [2022-03-01 16:49:15,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:15,753 INFO L470 AbstractCegarLoop]: Abstraction has 1183 states and 2265 transitions. [2022-03-01 16:49:15,753 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:15,753 INFO L276 IsEmpty]: Start isEmpty. Operand 1183 states and 2265 transitions. [2022-03-01 16:49:15,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-03-01 16:49:15,755 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:15,755 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] [2022-03-01 16:49:15,755 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-01 16:49:15,755 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:49:15,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:15,758 INFO L85 PathProgramCache]: Analyzing trace with hash 900925616, now seen corresponding path program 1 times [2022-03-01 16:49:15,758 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:15,759 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1829412787] [2022-03-01 16:49:15,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:15,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:15,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:15,871 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:49:15,871 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:15,871 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1829412787] [2022-03-01 16:49:15,871 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1829412787] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:49:15,871 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:49:15,872 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-01 16:49:15,872 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296134785] [2022-03-01 16:49:15,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:49:15,873 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-01 16:49:15,873 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:15,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-01 16:49:15,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-01 16:49:15,874 INFO L87 Difference]: Start difference. First operand 1183 states and 2265 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:15,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:15,912 INFO L93 Difference]: Finished difference Result 1187 states and 2269 transitions. [2022-03-01 16:49:15,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-01 16:49:15,913 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2022-03-01 16:49:15,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:15,918 INFO L225 Difference]: With dead ends: 1187 [2022-03-01 16:49:15,918 INFO L226 Difference]: Without dead ends: 1187 [2022-03-01 16:49:15,918 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-01 16:49:15,921 INFO L933 BasicCegarLoop]: 97 mSDtfsCounter, 3 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-01 16:49:15,923 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3 Valid, 190 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-01 16:49:15,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1187 states. [2022-03-01 16:49:15,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1187 to 1184. [2022-03-01 16:49:15,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1184 states, 1174 states have (on average 1.93015332197615) internal successors, (2266), 1183 states have internal predecessors, (2266), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:15,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1184 states to 1184 states and 2266 transitions. [2022-03-01 16:49:15,955 INFO L78 Accepts]: Start accepts. Automaton has 1184 states and 2266 transitions. Word has length 37 [2022-03-01 16:49:15,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:15,956 INFO L470 AbstractCegarLoop]: Abstraction has 1184 states and 2266 transitions. [2022-03-01 16:49:15,956 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:15,956 INFO L276 IsEmpty]: Start isEmpty. Operand 1184 states and 2266 transitions. [2022-03-01 16:49:15,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-03-01 16:49:15,962 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:15,962 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:49:15,962 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-01 16:49:15,963 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:49:15,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:15,964 INFO L85 PathProgramCache]: Analyzing trace with hash 438260885, now seen corresponding path program 1 times [2022-03-01 16:49:15,964 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:15,964 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666430574] [2022-03-01 16:49:15,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:15,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:16,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:16,126 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:49:16,126 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:16,127 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [666430574] [2022-03-01 16:49:16,127 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [666430574] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 16:49:16,127 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1734545709] [2022-03-01 16:49:16,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:16,127 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 16:49:16,127 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 16:49:16,151 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-01 16:49:16,152 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-03-01 16:49:16,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:16,244 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 4 conjunts are in the unsatisfiable core [2022-03-01 16:49:16,248 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 16:49:16,386 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:49:16,386 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-01 16:49:16,507 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:49:16,507 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1734545709] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-01 16:49:16,508 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-01 16:49:16,508 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-03-01 16:49:16,508 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1521570372] [2022-03-01 16:49:16,508 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-01 16:49:16,509 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:49:16,509 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:16,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:49:16,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:49:16,511 INFO L87 Difference]: Start difference. First operand 1184 states and 2266 transitions. Second operand has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 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) [2022-03-01 16:49:16,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:16,604 INFO L93 Difference]: Finished difference Result 1194 states and 2276 transitions. [2022-03-01 16:49:16,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-01 16:49:16,605 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 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 42 [2022-03-01 16:49:16,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:16,609 INFO L225 Difference]: With dead ends: 1194 [2022-03-01 16:49:16,609 INFO L226 Difference]: Without dead ends: 1194 [2022-03-01 16:49:16,610 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=64, Invalid=118, Unknown=0, NotChecked=0, Total=182 [2022-03-01 16:49:16,611 INFO L933 BasicCegarLoop]: 96 mSDtfsCounter, 15 mSDsluCounter, 286 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 379 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-01 16:49:16,611 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15 Valid, 379 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-01 16:49:16,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1194 states. [2022-03-01 16:49:16,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1194 to 1194. [2022-03-01 16:49:16,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1194 states, 1184 states have (on average 1.9222972972972974) internal successors, (2276), 1193 states have internal predecessors, (2276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:16,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1194 states to 1194 states and 2276 transitions. [2022-03-01 16:49:16,637 INFO L78 Accepts]: Start accepts. Automaton has 1194 states and 2276 transitions. Word has length 42 [2022-03-01 16:49:16,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:16,637 INFO L470 AbstractCegarLoop]: Abstraction has 1194 states and 2276 transitions. [2022-03-01 16:49:16,637 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 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) [2022-03-01 16:49:16,637 INFO L276 IsEmpty]: Start isEmpty. Operand 1194 states and 2276 transitions. [2022-03-01 16:49:16,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-03-01 16:49:16,638 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:16,638 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:49:16,663 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-03-01 16:49:16,855 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 16:49:16,855 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:49:16,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:16,856 INFO L85 PathProgramCache]: Analyzing trace with hash 432939381, now seen corresponding path program 2 times [2022-03-01 16:49:16,856 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:16,857 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1015327065] [2022-03-01 16:49:16,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:16,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:16,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:16,968 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:49:16,969 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:16,969 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1015327065] [2022-03-01 16:49:16,969 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1015327065] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 16:49:16,969 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1237106877] [2022-03-01 16:49:16,969 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-01 16:49:16,969 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 16:49:16,970 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 16:49:16,971 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-01 16:49:16,972 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-03-01 16:49:17,059 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-03-01 16:49:17,059 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-01 16:49:17,060 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 17 conjunts are in the unsatisfiable core [2022-03-01 16:49:17,063 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 16:49:17,161 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-03-01 16:49:17,193 INFO L353 Elim1Store]: treesize reduction 39, result has 22.0 percent of original size [2022-03-01 16:49:17,194 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 27 [2022-03-01 16:49:17,238 INFO L353 Elim1Store]: treesize reduction 96, result has 20.0 percent of original size [2022-03-01 16:49:17,238 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 40 treesize of output 42 [2022-03-01 16:49:17,311 INFO L353 Elim1Store]: treesize reduction 172, result has 17.3 percent of original size [2022-03-01 16:49:17,311 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 57 [2022-03-01 16:49:17,341 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-03-01 16:49:17,341 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-01 16:49:17,342 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1237106877] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:49:17,342 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-01 16:49:17,342 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 13 [2022-03-01 16:49:17,343 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [837193435] [2022-03-01 16:49:17,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:49:17,344 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-01 16:49:17,344 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:17,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-01 16:49:17,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2022-03-01 16:49:17,345 INFO L87 Difference]: Start difference. First operand 1194 states and 2276 transitions. Second operand has 6 states, 5 states have (on average 8.4) internal successors, (42), 6 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:17,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:17,578 INFO L93 Difference]: Finished difference Result 1262 states and 2404 transitions. [2022-03-01 16:49:17,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-01 16:49:17,579 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.4) internal successors, (42), 6 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 52 [2022-03-01 16:49:17,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:17,584 INFO L225 Difference]: With dead ends: 1262 [2022-03-01 16:49:17,584 INFO L226 Difference]: Without dead ends: 1262 [2022-03-01 16:49:17,585 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2022-03-01 16:49:17,586 INFO L933 BasicCegarLoop]: 198 mSDtfsCounter, 128 mSDsluCounter, 328 mSDsCounter, 0 mSdLazyCounter, 257 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 523 SdHoareTripleChecker+Invalid, 278 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 257 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-01 16:49:17,586 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [128 Valid, 523 Invalid, 278 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 257 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-01 16:49:17,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1262 states. [2022-03-01 16:49:17,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1262 to 1214. [2022-03-01 16:49:17,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1214 states, 1206 states have (on average 1.9170812603648424) internal successors, (2312), 1213 states have internal predecessors, (2312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:17,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1214 states to 1214 states and 2312 transitions. [2022-03-01 16:49:17,610 INFO L78 Accepts]: Start accepts. Automaton has 1214 states and 2312 transitions. Word has length 52 [2022-03-01 16:49:17,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:17,611 INFO L470 AbstractCegarLoop]: Abstraction has 1214 states and 2312 transitions. [2022-03-01 16:49:17,611 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.4) internal successors, (42), 6 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:17,611 INFO L276 IsEmpty]: Start isEmpty. Operand 1214 states and 2312 transitions. [2022-03-01 16:49:17,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-03-01 16:49:17,612 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:17,612 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:49:17,639 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-03-01 16:49:17,835 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2022-03-01 16:49:17,835 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:49:17,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:17,836 INFO L85 PathProgramCache]: Analyzing trace with hash 491733010, now seen corresponding path program 1 times [2022-03-01 16:49:17,836 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:17,836 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [200209622] [2022-03-01 16:49:17,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:17,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:17,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:17,955 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:49:17,955 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:17,955 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [200209622] [2022-03-01 16:49:17,955 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [200209622] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 16:49:17,956 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [481746031] [2022-03-01 16:49:17,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:17,956 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 16:49:17,956 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 16:49:17,957 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-01 16:49:17,982 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-03-01 16:49:18,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:18,045 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 8 conjunts are in the unsatisfiable core [2022-03-01 16:49:18,050 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 16:49:18,165 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:49:18,166 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-01 16:49:18,339 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:49:18,340 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [481746031] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-01 16:49:18,340 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-01 16:49:18,340 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2022-03-01 16:49:18,340 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1525911713] [2022-03-01 16:49:18,340 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-01 16:49:18,341 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-03-01 16:49:18,341 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:18,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-03-01 16:49:18,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2022-03-01 16:49:18,342 INFO L87 Difference]: Start difference. First operand 1214 states and 2312 transitions. Second operand has 18 states, 18 states have (on average 4.555555555555555) internal successors, (82), 18 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) [2022-03-01 16:49:18,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:18,525 INFO L93 Difference]: Finished difference Result 1234 states and 2332 transitions. [2022-03-01 16:49:18,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-01 16:49:18,526 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 4.555555555555555) internal successors, (82), 18 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 60 [2022-03-01 16:49:18,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:18,530 INFO L225 Difference]: With dead ends: 1234 [2022-03-01 16:49:18,531 INFO L226 Difference]: Without dead ends: 1234 [2022-03-01 16:49:18,531 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 171 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=280, Invalid=590, Unknown=0, NotChecked=0, Total=870 [2022-03-01 16:49:18,532 INFO L933 BasicCegarLoop]: 96 mSDtfsCounter, 29 mSDsluCounter, 478 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 569 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-01 16:49:18,532 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [29 Valid, 569 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-01 16:49:18,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1234 states. [2022-03-01 16:49:18,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1234 to 1234. [2022-03-01 16:49:18,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1234 states, 1226 states have (on average 1.902120717781403) internal successors, (2332), 1233 states have internal predecessors, (2332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:18,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1234 states to 1234 states and 2332 transitions. [2022-03-01 16:49:18,556 INFO L78 Accepts]: Start accepts. Automaton has 1234 states and 2332 transitions. Word has length 60 [2022-03-01 16:49:18,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:18,556 INFO L470 AbstractCegarLoop]: Abstraction has 1234 states and 2332 transitions. [2022-03-01 16:49:18,556 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 4.555555555555555) internal successors, (82), 18 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) [2022-03-01 16:49:18,556 INFO L276 IsEmpty]: Start isEmpty. Operand 1234 states and 2332 transitions. [2022-03-01 16:49:18,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-03-01 16:49:18,557 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:18,557 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:49:18,583 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-03-01 16:49:18,777 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 16:49:18,777 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:49:18,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:18,778 INFO L85 PathProgramCache]: Analyzing trace with hash 656757202, now seen corresponding path program 2 times [2022-03-01 16:49:18,778 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:18,778 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1966310628] [2022-03-01 16:49:18,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:18,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:18,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:18,971 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:49:18,972 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:18,972 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1966310628] [2022-03-01 16:49:18,972 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1966310628] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 16:49:18,972 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [695410868] [2022-03-01 16:49:18,972 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-01 16:49:18,972 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 16:49:18,972 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 16:49:18,973 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-01 16:49:18,975 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-03-01 16:49:19,051 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-03-01 16:49:19,051 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-01 16:49:19,052 INFO L263 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 17 conjunts are in the unsatisfiable core [2022-03-01 16:49:19,055 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 16:49:19,149 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-03-01 16:49:19,171 INFO L353 Elim1Store]: treesize reduction 39, result has 22.0 percent of original size [2022-03-01 16:49:19,172 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 27 [2022-03-01 16:49:19,208 INFO L353 Elim1Store]: treesize reduction 96, result has 20.0 percent of original size [2022-03-01 16:49:19,208 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 40 treesize of output 42 [2022-03-01 16:49:19,265 INFO L353 Elim1Store]: treesize reduction 172, result has 17.3 percent of original size [2022-03-01 16:49:19,266 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 57 [2022-03-01 16:49:19,290 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2022-03-01 16:49:19,290 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-01 16:49:19,290 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [695410868] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:49:19,290 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-01 16:49:19,290 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [17] total 21 [2022-03-01 16:49:19,290 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [911281097] [2022-03-01 16:49:19,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:49:19,291 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-01 16:49:19,291 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:19,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-01 16:49:19,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=326, Unknown=0, NotChecked=0, Total=420 [2022-03-01 16:49:19,292 INFO L87 Difference]: Start difference. First operand 1234 states and 2332 transitions. Second operand has 6 states, 5 states have (on average 10.0) internal successors, (50), 6 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:19,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:19,456 INFO L93 Difference]: Finished difference Result 1341 states and 2532 transitions. [2022-03-01 16:49:19,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-01 16:49:19,457 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.0) internal successors, (50), 6 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2022-03-01 16:49:19,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:19,463 INFO L225 Difference]: With dead ends: 1341 [2022-03-01 16:49:19,463 INFO L226 Difference]: Without dead ends: 1197 [2022-03-01 16:49:19,463 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=94, Invalid=326, Unknown=0, NotChecked=0, Total=420 [2022-03-01 16:49:19,465 INFO L933 BasicCegarLoop]: 200 mSDtfsCounter, 133 mSDsluCounter, 206 mSDsCounter, 0 mSdLazyCounter, 211 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 404 SdHoareTripleChecker+Invalid, 218 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 211 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-01 16:49:19,465 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [133 Valid, 404 Invalid, 218 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 211 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-01 16:49:19,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1197 states. [2022-03-01 16:49:19,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1197 to 1155. [2022-03-01 16:49:19,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1155 states, 1148 states have (on average 1.8850174216027875) internal successors, (2164), 1154 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) [2022-03-01 16:49:19,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1155 states to 1155 states and 2164 transitions. [2022-03-01 16:49:19,489 INFO L78 Accepts]: Start accepts. Automaton has 1155 states and 2164 transitions. Word has length 80 [2022-03-01 16:49:19,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:19,490 INFO L470 AbstractCegarLoop]: Abstraction has 1155 states and 2164 transitions. [2022-03-01 16:49:19,490 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.0) internal successors, (50), 6 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:19,490 INFO L276 IsEmpty]: Start isEmpty. Operand 1155 states and 2164 transitions. [2022-03-01 16:49:19,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-03-01 16:49:19,491 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:19,491 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:49:19,519 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-03-01 16:49:19,707 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 16:49:19,707 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:49:19,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:19,708 INFO L85 PathProgramCache]: Analyzing trace with hash 1425828848, now seen corresponding path program 1 times [2022-03-01 16:49:19,708 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:19,708 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1715722835] [2022-03-01 16:49:19,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:19,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:19,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:19,884 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:49:19,885 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:19,885 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1715722835] [2022-03-01 16:49:19,885 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1715722835] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 16:49:19,885 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [850154147] [2022-03-01 16:49:19,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:19,885 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 16:49:19,885 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 16:49:19,887 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-01 16:49:19,888 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-03-01 16:49:19,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:19,969 INFO L263 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 16 conjunts are in the unsatisfiable core [2022-03-01 16:49:19,971 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 16:49:20,115 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:49:20,116 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-01 16:49:20,333 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:49:20,333 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [850154147] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-01 16:49:20,333 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-01 16:49:20,333 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 23 [2022-03-01 16:49:20,334 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1514193954] [2022-03-01 16:49:20,334 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-01 16:49:20,334 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-03-01 16:49:20,334 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:20,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-03-01 16:49:20,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2022-03-01 16:49:20,336 INFO L87 Difference]: Start difference. First operand 1155 states and 2164 transitions. Second operand has 23 states, 23 states have (on average 4.391304347826087) internal successors, (101), 23 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:20,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:20,597 INFO L93 Difference]: Finished difference Result 1170 states and 2179 transitions. [2022-03-01 16:49:20,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-03-01 16:49:20,598 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 4.391304347826087) internal successors, (101), 23 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 84 [2022-03-01 16:49:20,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:20,603 INFO L225 Difference]: With dead ends: 1170 [2022-03-01 16:49:20,603 INFO L226 Difference]: Without dead ends: 1170 [2022-03-01 16:49:20,604 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 161 SyntacticMatches, 1 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 322 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=524, Invalid=1116, Unknown=0, NotChecked=0, Total=1640 [2022-03-01 16:49:20,605 INFO L933 BasicCegarLoop]: 95 mSDtfsCounter, 43 mSDsluCounter, 288 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 380 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-01 16:49:20,605 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [43 Valid, 380 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-01 16:49:20,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1170 states. [2022-03-01 16:49:20,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1170 to 1170. [2022-03-01 16:49:20,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1170 states, 1163 states have (on average 1.873602751504729) internal successors, (2179), 1169 states have internal predecessors, (2179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:20,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1170 states to 1170 states and 2179 transitions. [2022-03-01 16:49:20,627 INFO L78 Accepts]: Start accepts. Automaton has 1170 states and 2179 transitions. Word has length 84 [2022-03-01 16:49:20,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:20,627 INFO L470 AbstractCegarLoop]: Abstraction has 1170 states and 2179 transitions. [2022-03-01 16:49:20,627 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 4.391304347826087) internal successors, (101), 23 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:20,628 INFO L276 IsEmpty]: Start isEmpty. Operand 1170 states and 2179 transitions. [2022-03-01 16:49:20,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-03-01 16:49:20,633 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:20,633 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:49:20,658 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-03-01 16:49:20,851 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 16:49:20,851 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:49:20,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:20,852 INFO L85 PathProgramCache]: Analyzing trace with hash 2073879691, now seen corresponding path program 2 times [2022-03-01 16:49:20,852 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:20,852 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454550065] [2022-03-01 16:49:20,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:20,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:20,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:20,961 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:49:20,961 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:20,961 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1454550065] [2022-03-01 16:49:20,961 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1454550065] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:49:20,961 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:49:20,961 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-01 16:49:20,961 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239087618] [2022-03-01 16:49:20,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:49:20,962 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-01 16:49:20,962 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:20,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-01 16:49:20,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-03-01 16:49:20,963 INFO L87 Difference]: Start difference. First operand 1170 states and 2179 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) [2022-03-01 16:49:21,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:21,117 INFO L93 Difference]: Finished difference Result 1295 states and 2421 transitions. [2022-03-01 16:49:21,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-01 16:49:21,118 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 99 [2022-03-01 16:49:21,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:21,124 INFO L225 Difference]: With dead ends: 1295 [2022-03-01 16:49:21,124 INFO L226 Difference]: Without dead ends: 1295 [2022-03-01 16:49:21,124 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 [2022-03-01 16:49:21,125 INFO L933 BasicCegarLoop]: 165 mSDtfsCounter, 92 mSDsluCounter, 178 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 343 SdHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-01 16:49:21,125 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [92 Valid, 343 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-01 16:49:21,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1295 states. [2022-03-01 16:49:21,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1295 to 1219. [2022-03-01 16:49:21,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1219 states, 1212 states have (on average 1.8754125412541254) internal successors, (2273), 1218 states have internal predecessors, (2273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:21,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1219 states to 1219 states and 2273 transitions. [2022-03-01 16:49:21,153 INFO L78 Accepts]: Start accepts. Automaton has 1219 states and 2273 transitions. Word has length 99 [2022-03-01 16:49:21,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:21,154 INFO L470 AbstractCegarLoop]: Abstraction has 1219 states and 2273 transitions. [2022-03-01 16:49:21,154 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) [2022-03-01 16:49:21,154 INFO L276 IsEmpty]: Start isEmpty. Operand 1219 states and 2273 transitions. [2022-03-01 16:49:21,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-03-01 16:49:21,156 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:21,156 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:49:21,156 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-03-01 16:49:21,156 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:49:21,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:21,157 INFO L85 PathProgramCache]: Analyzing trace with hash -1373859952, now seen corresponding path program 1 times [2022-03-01 16:49:21,157 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:21,157 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1639104964] [2022-03-01 16:49:21,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:21,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:21,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:21,249 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:49:21,249 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:21,249 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1639104964] [2022-03-01 16:49:21,249 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1639104964] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:49:21,249 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:49:21,250 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-01 16:49:21,250 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [167442599] [2022-03-01 16:49:21,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:49:21,250 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-01 16:49:21,250 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:21,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-01 16:49:21,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-03-01 16:49:21,251 INFO L87 Difference]: Start difference. First operand 1219 states and 2273 transitions. Second operand has 6 states, 5 states have (on average 12.4) internal successors, (62), 6 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:21,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:21,432 INFO L93 Difference]: Finished difference Result 1335 states and 2480 transitions. [2022-03-01 16:49:21,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-01 16:49:21,433 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.4) internal successors, (62), 6 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 107 [2022-03-01 16:49:21,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:21,437 INFO L225 Difference]: With dead ends: 1335 [2022-03-01 16:49:21,437 INFO L226 Difference]: Without dead ends: 1005 [2022-03-01 16:49:21,438 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 [2022-03-01 16:49:21,438 INFO L933 BasicCegarLoop]: 166 mSDtfsCounter, 94 mSDsluCounter, 276 mSDsCounter, 0 mSdLazyCounter, 256 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 442 SdHoareTripleChecker+Invalid, 261 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 256 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-01 16:49:21,438 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [94 Valid, 442 Invalid, 261 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 256 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-01 16:49:21,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1005 states. [2022-03-01 16:49:21,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1005 to 981. [2022-03-01 16:49:21,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 981 states, 974 states have (on average 1.8213552361396304) internal successors, (1774), 980 states have internal predecessors, (1774), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:21,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 981 states to 981 states and 1774 transitions. [2022-03-01 16:49:21,459 INFO L78 Accepts]: Start accepts. Automaton has 981 states and 1774 transitions. Word has length 107 [2022-03-01 16:49:21,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:21,459 INFO L470 AbstractCegarLoop]: Abstraction has 981 states and 1774 transitions. [2022-03-01 16:49:21,459 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.4) internal successors, (62), 6 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:21,459 INFO L276 IsEmpty]: Start isEmpty. Operand 981 states and 1774 transitions. [2022-03-01 16:49:21,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-01 16:49:21,461 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:21,461 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:49:21,461 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-03-01 16:49:21,461 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:49:21,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:21,461 INFO L85 PathProgramCache]: Analyzing trace with hash 1446686969, now seen corresponding path program 1 times [2022-03-01 16:49:21,461 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:21,462 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [464197461] [2022-03-01 16:49:21,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:21,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:21,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:21,948 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:49:21,949 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:21,949 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [464197461] [2022-03-01 16:49:21,949 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [464197461] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:49:21,949 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:49:21,949 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:49:21,949 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515699097] [2022-03-01 16:49:21,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:49:21,950 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:49:21,950 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:21,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:49:21,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:49:21,950 INFO L87 Difference]: Start difference. First operand 981 states and 1774 transitions. Second operand has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:22,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:22,549 INFO L93 Difference]: Finished difference Result 1753 states and 3204 transitions. [2022-03-01 16:49:22,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-01 16:49:22,549 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-03-01 16:49:22,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:22,556 INFO L225 Difference]: With dead ends: 1753 [2022-03-01 16:49:22,556 INFO L226 Difference]: Without dead ends: 1753 [2022-03-01 16:49:22,556 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=101, Invalid=205, Unknown=0, NotChecked=0, Total=306 [2022-03-01 16:49:22,557 INFO L933 BasicCegarLoop]: 136 mSDtfsCounter, 246 mSDsluCounter, 393 mSDsCounter, 0 mSdLazyCounter, 452 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 246 SdHoareTripleChecker+Valid, 527 SdHoareTripleChecker+Invalid, 507 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 452 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:49:22,558 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [246 Valid, 527 Invalid, 507 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 452 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-01 16:49:22,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1753 states. [2022-03-01 16:49:22,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1753 to 1086. [2022-03-01 16:49:22,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1086 states, 1079 states have (on average 1.8387395736793326) internal successors, (1984), 1085 states have internal predecessors, (1984), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:22,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1086 states to 1086 states and 1984 transitions. [2022-03-01 16:49:22,582 INFO L78 Accepts]: Start accepts. Automaton has 1086 states and 1984 transitions. Word has length 113 [2022-03-01 16:49:22,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:22,582 INFO L470 AbstractCegarLoop]: Abstraction has 1086 states and 1984 transitions. [2022-03-01 16:49:22,582 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:22,583 INFO L276 IsEmpty]: Start isEmpty. Operand 1086 states and 1984 transitions. [2022-03-01 16:49:22,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-01 16:49:22,584 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:22,584 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:49:22,585 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-03-01 16:49:22,585 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:49:22,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:22,585 INFO L85 PathProgramCache]: Analyzing trace with hash -1733561321, now seen corresponding path program 1 times [2022-03-01 16:49:22,585 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:22,585 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2044947219] [2022-03-01 16:49:22,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:22,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:22,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:23,000 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:49:23,001 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:23,001 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2044947219] [2022-03-01 16:49:23,001 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2044947219] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:49:23,001 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:49:23,001 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:49:23,002 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951435299] [2022-03-01 16:49:23,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:49:23,003 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:49:23,003 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:23,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:49:23,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:49:23,004 INFO L87 Difference]: Start difference. First operand 1086 states and 1984 transitions. Second operand has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:23,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:23,551 INFO L93 Difference]: Finished difference Result 1743 states and 3187 transitions. [2022-03-01 16:49:23,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-01 16:49:23,552 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-03-01 16:49:23,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:23,558 INFO L225 Difference]: With dead ends: 1743 [2022-03-01 16:49:23,558 INFO L226 Difference]: Without dead ends: 1743 [2022-03-01 16:49:23,559 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2022-03-01 16:49:23,559 INFO L933 BasicCegarLoop]: 115 mSDtfsCounter, 230 mSDsluCounter, 351 mSDsCounter, 0 mSdLazyCounter, 512 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 230 SdHoareTripleChecker+Valid, 465 SdHoareTripleChecker+Invalid, 543 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 512 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:49:23,559 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [230 Valid, 465 Invalid, 543 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 512 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-01 16:49:23,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1743 states. [2022-03-01 16:49:23,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1743 to 1245. [2022-03-01 16:49:23,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1245 states, 1238 states have (on average 1.8554119547657513) internal successors, (2297), 1244 states have internal predecessors, (2297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:23,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1245 states to 1245 states and 2297 transitions. [2022-03-01 16:49:23,584 INFO L78 Accepts]: Start accepts. Automaton has 1245 states and 2297 transitions. Word has length 113 [2022-03-01 16:49:23,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:23,584 INFO L470 AbstractCegarLoop]: Abstraction has 1245 states and 2297 transitions. [2022-03-01 16:49:23,584 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:23,584 INFO L276 IsEmpty]: Start isEmpty. Operand 1245 states and 2297 transitions. [2022-03-01 16:49:23,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-01 16:49:23,586 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:23,586 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:49:23,586 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-03-01 16:49:23,586 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:49:23,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:23,587 INFO L85 PathProgramCache]: Analyzing trace with hash 376746620, now seen corresponding path program 1 times [2022-03-01 16:49:23,587 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:23,587 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035849083] [2022-03-01 16:49:23,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:23,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:23,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:24,565 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:49:24,565 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:24,565 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2035849083] [2022-03-01 16:49:24,565 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2035849083] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:49:24,565 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:49:24,566 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-03-01 16:49:24,566 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102417992] [2022-03-01 16:49:24,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:49:24,566 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-03-01 16:49:24,566 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:24,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-03-01 16:49:24,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=81, Unknown=0, NotChecked=0, Total=132 [2022-03-01 16:49:24,567 INFO L87 Difference]: Start difference. First operand 1245 states and 2297 transitions. Second operand has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:25,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:25,494 INFO L93 Difference]: Finished difference Result 1781 states and 3259 transitions. [2022-03-01 16:49:25,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-03-01 16:49:25,495 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-03-01 16:49:25,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:25,501 INFO L225 Difference]: With dead ends: 1781 [2022-03-01 16:49:25,501 INFO L226 Difference]: Without dead ends: 1781 [2022-03-01 16:49:25,501 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=147, Invalid=273, Unknown=0, NotChecked=0, Total=420 [2022-03-01 16:49:25,502 INFO L933 BasicCegarLoop]: 146 mSDtfsCounter, 262 mSDsluCounter, 642 mSDsCounter, 0 mSdLazyCounter, 727 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 262 SdHoareTripleChecker+Valid, 787 SdHoareTripleChecker+Invalid, 807 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 727 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-03-01 16:49:25,502 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [262 Valid, 787 Invalid, 807 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 727 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-03-01 16:49:25,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1781 states. [2022-03-01 16:49:25,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1781 to 1252. [2022-03-01 16:49:25,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1252 states, 1245 states have (on average 1.8562248995983937) internal successors, (2311), 1251 states have internal predecessors, (2311), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:25,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1252 states to 1252 states and 2311 transitions. [2022-03-01 16:49:25,528 INFO L78 Accepts]: Start accepts. Automaton has 1252 states and 2311 transitions. Word has length 113 [2022-03-01 16:49:25,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:25,528 INFO L470 AbstractCegarLoop]: Abstraction has 1252 states and 2311 transitions. [2022-03-01 16:49:25,528 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:25,528 INFO L276 IsEmpty]: Start isEmpty. Operand 1252 states and 2311 transitions. [2022-03-01 16:49:25,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-01 16:49:25,530 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:25,530 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:49:25,530 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-03-01 16:49:25,531 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:49:25,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:25,531 INFO L85 PathProgramCache]: Analyzing trace with hash -758070434, now seen corresponding path program 2 times [2022-03-01 16:49:25,531 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:25,531 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668568140] [2022-03-01 16:49:25,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:25,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:25,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:26,442 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:49:26,442 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:26,442 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668568140] [2022-03-01 16:49:26,443 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [668568140] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:49:26,443 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:49:26,443 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-03-01 16:49:26,443 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604466020] [2022-03-01 16:49:26,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:49:26,443 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-03-01 16:49:26,443 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:26,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-03-01 16:49:26,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2022-03-01 16:49:26,444 INFO L87 Difference]: Start difference. First operand 1252 states and 2311 transitions. Second operand has 11 states, 10 states have (on average 6.8) internal successors, (68), 11 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:27,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:27,122 INFO L93 Difference]: Finished difference Result 1769 states and 3235 transitions. [2022-03-01 16:49:27,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-03-01 16:49:27,122 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.8) internal successors, (68), 11 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-03-01 16:49:27,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:27,128 INFO L225 Difference]: With dead ends: 1769 [2022-03-01 16:49:27,128 INFO L226 Difference]: Without dead ends: 1769 [2022-03-01 16:49:27,128 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=117, Invalid=225, Unknown=0, NotChecked=0, Total=342 [2022-03-01 16:49:27,129 INFO L933 BasicCegarLoop]: 134 mSDtfsCounter, 235 mSDsluCounter, 540 mSDsCounter, 0 mSdLazyCounter, 597 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 235 SdHoareTripleChecker+Valid, 673 SdHoareTripleChecker+Invalid, 666 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 597 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-03-01 16:49:27,129 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [235 Valid, 673 Invalid, 666 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 597 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-01 16:49:27,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1769 states. [2022-03-01 16:49:27,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1769 to 1261. [2022-03-01 16:49:27,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1261 states, 1254 states have (on average 1.8572567783094098) internal successors, (2329), 1260 states have internal predecessors, (2329), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:27,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1261 states to 1261 states and 2329 transitions. [2022-03-01 16:49:27,154 INFO L78 Accepts]: Start accepts. Automaton has 1261 states and 2329 transitions. Word has length 113 [2022-03-01 16:49:27,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:27,154 INFO L470 AbstractCegarLoop]: Abstraction has 1261 states and 2329 transitions. [2022-03-01 16:49:27,154 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.8) internal successors, (68), 11 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:27,154 INFO L276 IsEmpty]: Start isEmpty. Operand 1261 states and 2329 transitions. [2022-03-01 16:49:27,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-01 16:49:27,156 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:27,156 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:49:27,156 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-03-01 16:49:27,157 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:49:27,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:27,157 INFO L85 PathProgramCache]: Analyzing trace with hash 1324244250, now seen corresponding path program 3 times [2022-03-01 16:49:27,157 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:27,157 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1679613292] [2022-03-01 16:49:27,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:27,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:27,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:28,203 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:49:28,203 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:28,203 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1679613292] [2022-03-01 16:49:28,203 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1679613292] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:49:28,204 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:49:28,204 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-03-01 16:49:28,204 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279243203] [2022-03-01 16:49:28,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:49:28,204 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-03-01 16:49:28,204 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:28,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-03-01 16:49:28,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132 [2022-03-01 16:49:28,205 INFO L87 Difference]: Start difference. First operand 1261 states and 2329 transitions. Second operand has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:28,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:28,892 INFO L93 Difference]: Finished difference Result 1850 states and 3397 transitions. [2022-03-01 16:49:28,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-01 16:49:28,892 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-03-01 16:49:28,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:28,899 INFO L225 Difference]: With dead ends: 1850 [2022-03-01 16:49:28,899 INFO L226 Difference]: Without dead ends: 1850 [2022-03-01 16:49:28,899 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=160, Invalid=302, Unknown=0, NotChecked=0, Total=462 [2022-03-01 16:49:28,900 INFO L933 BasicCegarLoop]: 126 mSDtfsCounter, 285 mSDsluCounter, 412 mSDsCounter, 0 mSdLazyCounter, 507 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 285 SdHoareTripleChecker+Valid, 537 SdHoareTripleChecker+Invalid, 600 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 507 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:49:28,900 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [285 Valid, 537 Invalid, 600 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 507 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-01 16:49:28,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1850 states. [2022-03-01 16:49:28,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1850 to 1276. [2022-03-01 16:49:28,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1276 states, 1269 states have (on average 1.858944050433412) internal successors, (2359), 1275 states have internal predecessors, (2359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:28,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1276 states to 1276 states and 2359 transitions. [2022-03-01 16:49:28,923 INFO L78 Accepts]: Start accepts. Automaton has 1276 states and 2359 transitions. Word has length 113 [2022-03-01 16:49:28,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:28,924 INFO L470 AbstractCegarLoop]: Abstraction has 1276 states and 2359 transitions. [2022-03-01 16:49:28,924 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:28,924 INFO L276 IsEmpty]: Start isEmpty. Operand 1276 states and 2359 transitions. [2022-03-01 16:49:28,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-01 16:49:28,926 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:28,926 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:49:28,926 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-03-01 16:49:28,926 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:49:28,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:28,927 INFO L85 PathProgramCache]: Analyzing trace with hash 1216231488, now seen corresponding path program 4 times [2022-03-01 16:49:28,927 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:28,927 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [985992706] [2022-03-01 16:49:28,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:28,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:28,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:29,738 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:49:29,738 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:29,738 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [985992706] [2022-03-01 16:49:29,738 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [985992706] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:49:29,738 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:49:29,738 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-03-01 16:49:29,738 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075376855] [2022-03-01 16:49:29,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:49:29,739 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-03-01 16:49:29,739 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:29,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-03-01 16:49:29,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2022-03-01 16:49:29,739 INFO L87 Difference]: Start difference. First operand 1276 states and 2359 transitions. Second operand has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:30,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:30,434 INFO L93 Difference]: Finished difference Result 1917 states and 3531 transitions. [2022-03-01 16:49:30,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-03-01 16:49:30,435 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-03-01 16:49:30,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:30,441 INFO L225 Difference]: With dead ends: 1917 [2022-03-01 16:49:30,441 INFO L226 Difference]: Without dead ends: 1917 [2022-03-01 16:49:30,441 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=158, Invalid=304, Unknown=0, NotChecked=0, Total=462 [2022-03-01 16:49:30,442 INFO L933 BasicCegarLoop]: 116 mSDtfsCounter, 281 mSDsluCounter, 367 mSDsCounter, 0 mSdLazyCounter, 475 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 281 SdHoareTripleChecker+Valid, 482 SdHoareTripleChecker+Invalid, 576 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 475 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:49:30,442 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [281 Valid, 482 Invalid, 576 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 475 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-01 16:49:30,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1917 states. [2022-03-01 16:49:30,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1917 to 1311. [2022-03-01 16:49:30,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1311 states, 1304 states have (on average 1.8627300613496933) internal successors, (2429), 1310 states have internal predecessors, (2429), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:30,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1311 states to 1311 states and 2429 transitions. [2022-03-01 16:49:30,483 INFO L78 Accepts]: Start accepts. Automaton has 1311 states and 2429 transitions. Word has length 113 [2022-03-01 16:49:30,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:30,483 INFO L470 AbstractCegarLoop]: Abstraction has 1311 states and 2429 transitions. [2022-03-01 16:49:30,484 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:30,484 INFO L276 IsEmpty]: Start isEmpty. Operand 1311 states and 2429 transitions. [2022-03-01 16:49:30,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-01 16:49:30,486 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:30,486 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:49:30,486 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-03-01 16:49:30,487 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:49:30,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:30,487 INFO L85 PathProgramCache]: Analyzing trace with hash -835243848, now seen corresponding path program 5 times [2022-03-01 16:49:30,487 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:30,487 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1015581842] [2022-03-01 16:49:30,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:30,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:30,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:30,812 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:49:30,812 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:30,812 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1015581842] [2022-03-01 16:49:30,812 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1015581842] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:49:30,812 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:49:30,812 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:49:30,812 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1061819121] [2022-03-01 16:49:30,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:49:30,813 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:49:30,813 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:30,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:49:30,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:49:30,813 INFO L87 Difference]: Start difference. First operand 1311 states and 2429 transitions. Second operand has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:31,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:31,407 INFO L93 Difference]: Finished difference Result 1816 states and 3329 transitions. [2022-03-01 16:49:31,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-01 16:49:31,407 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-03-01 16:49:31,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:31,413 INFO L225 Difference]: With dead ends: 1816 [2022-03-01 16:49:31,413 INFO L226 Difference]: Without dead ends: 1816 [2022-03-01 16:49:31,413 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2022-03-01 16:49:31,413 INFO L933 BasicCegarLoop]: 117 mSDtfsCounter, 190 mSDsluCounter, 522 mSDsCounter, 0 mSdLazyCounter, 646 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 190 SdHoareTripleChecker+Valid, 638 SdHoareTripleChecker+Invalid, 690 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 646 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-03-01 16:49:31,414 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [190 Valid, 638 Invalid, 690 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 646 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-01 16:49:31,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1816 states. [2022-03-01 16:49:31,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1816 to 1300. [2022-03-01 16:49:31,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1300 states, 1293 states have (on average 1.8615622583139984) internal successors, (2407), 1299 states have internal predecessors, (2407), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:31,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1300 states to 1300 states and 2407 transitions. [2022-03-01 16:49:31,436 INFO L78 Accepts]: Start accepts. Automaton has 1300 states and 2407 transitions. Word has length 113 [2022-03-01 16:49:31,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:31,437 INFO L470 AbstractCegarLoop]: Abstraction has 1300 states and 2407 transitions. [2022-03-01 16:49:31,437 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:31,437 INFO L276 IsEmpty]: Start isEmpty. Operand 1300 states and 2407 transitions. [2022-03-01 16:49:31,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-01 16:49:31,439 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:31,439 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:49:31,439 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-03-01 16:49:31,439 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:49:31,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:31,440 INFO L85 PathProgramCache]: Analyzing trace with hash 874882793, now seen corresponding path program 1 times [2022-03-01 16:49:31,440 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:31,440 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [548001] [2022-03-01 16:49:31,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:31,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:31,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:31,583 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:49:31,583 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:31,583 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [548001] [2022-03-01 16:49:31,583 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [548001] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:49:31,584 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:49:31,584 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:49:31,584 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1581934301] [2022-03-01 16:49:31,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:49:31,584 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:49:31,584 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:31,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:49:31,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:49:31,585 INFO L87 Difference]: Start difference. First operand 1300 states and 2407 transitions. Second operand has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:32,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:32,342 INFO L93 Difference]: Finished difference Result 1795 states and 3290 transitions. [2022-03-01 16:49:32,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-03-01 16:49:32,343 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-03-01 16:49:32,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:32,348 INFO L225 Difference]: With dead ends: 1795 [2022-03-01 16:49:32,348 INFO L226 Difference]: Without dead ends: 1795 [2022-03-01 16:49:32,348 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=179, Invalid=373, Unknown=0, NotChecked=0, Total=552 [2022-03-01 16:49:32,349 INFO L933 BasicCegarLoop]: 167 mSDtfsCounter, 311 mSDsluCounter, 688 mSDsCounter, 0 mSdLazyCounter, 739 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 311 SdHoareTripleChecker+Valid, 851 SdHoareTripleChecker+Invalid, 785 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 739 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-03-01 16:49:32,349 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [311 Valid, 851 Invalid, 785 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 739 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-01 16:49:32,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1795 states. [2022-03-01 16:49:32,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1795 to 1311. [2022-03-01 16:49:32,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1311 states, 1304 states have (on average 1.8627300613496933) internal successors, (2429), 1310 states have internal predecessors, (2429), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:32,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1311 states to 1311 states and 2429 transitions. [2022-03-01 16:49:32,382 INFO L78 Accepts]: Start accepts. Automaton has 1311 states and 2429 transitions. Word has length 113 [2022-03-01 16:49:32,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:32,383 INFO L470 AbstractCegarLoop]: Abstraction has 1311 states and 2429 transitions. [2022-03-01 16:49:32,383 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:32,383 INFO L276 IsEmpty]: Start isEmpty. Operand 1311 states and 2429 transitions. [2022-03-01 16:49:32,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-01 16:49:32,386 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:32,386 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:49:32,387 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-03-01 16:49:32,387 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:49:32,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:32,387 INFO L85 PathProgramCache]: Analyzing trace with hash 790273253, now seen corresponding path program 2 times [2022-03-01 16:49:32,387 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:32,387 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [237860385] [2022-03-01 16:49:32,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:32,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:32,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:32,730 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:49:32,730 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:32,730 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [237860385] [2022-03-01 16:49:32,731 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [237860385] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:49:32,731 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:49:32,731 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:49:32,732 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596883987] [2022-03-01 16:49:32,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:49:32,732 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:49:32,732 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:32,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:49:32,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:49:32,733 INFO L87 Difference]: Start difference. First operand 1311 states and 2429 transitions. Second operand has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:33,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:33,187 INFO L93 Difference]: Finished difference Result 1818 states and 3329 transitions. [2022-03-01 16:49:33,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-01 16:49:33,187 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-03-01 16:49:33,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:33,192 INFO L225 Difference]: With dead ends: 1818 [2022-03-01 16:49:33,192 INFO L226 Difference]: Without dead ends: 1818 [2022-03-01 16:49:33,192 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2022-03-01 16:49:33,192 INFO L933 BasicCegarLoop]: 128 mSDtfsCounter, 254 mSDsluCounter, 329 mSDsCounter, 0 mSdLazyCounter, 517 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 254 SdHoareTripleChecker+Valid, 455 SdHoareTripleChecker+Invalid, 543 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 517 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:49:33,193 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [254 Valid, 455 Invalid, 543 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 517 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-01 16:49:33,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1818 states. [2022-03-01 16:49:33,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1818 to 1355. [2022-03-01 16:49:33,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1355 states, 1348 states have (on average 1.86053412462908) internal successors, (2508), 1354 states have internal predecessors, (2508), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:33,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1355 states to 1355 states and 2508 transitions. [2022-03-01 16:49:33,216 INFO L78 Accepts]: Start accepts. Automaton has 1355 states and 2508 transitions. Word has length 113 [2022-03-01 16:49:33,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:33,216 INFO L470 AbstractCegarLoop]: Abstraction has 1355 states and 2508 transitions. [2022-03-01 16:49:33,216 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:33,216 INFO L276 IsEmpty]: Start isEmpty. Operand 1355 states and 2508 transitions. [2022-03-01 16:49:33,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-01 16:49:33,219 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:33,219 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:49:33,219 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-03-01 16:49:33,219 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:49:33,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:33,219 INFO L85 PathProgramCache]: Analyzing trace with hash -1356984961, now seen corresponding path program 2 times [2022-03-01 16:49:33,220 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:33,220 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [900504506] [2022-03-01 16:49:33,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:33,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:33,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:34,238 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:49:34,239 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:34,239 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [900504506] [2022-03-01 16:49:34,239 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [900504506] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:49:34,239 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:49:34,239 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-03-01 16:49:34,239 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1337744708] [2022-03-01 16:49:34,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:49:34,240 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-03-01 16:49:34,240 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:34,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-03-01 16:49:34,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=82, Unknown=0, NotChecked=0, Total=132 [2022-03-01 16:49:34,241 INFO L87 Difference]: Start difference. First operand 1355 states and 2508 transitions. Second operand has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:34,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:34,994 INFO L93 Difference]: Finished difference Result 2165 states and 4016 transitions. [2022-03-01 16:49:34,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-01 16:49:34,995 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-03-01 16:49:34,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:34,998 INFO L225 Difference]: With dead ends: 2165 [2022-03-01 16:49:34,999 INFO L226 Difference]: Without dead ends: 2165 [2022-03-01 16:49:34,999 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=154, Invalid=308, Unknown=0, NotChecked=0, Total=462 [2022-03-01 16:49:34,999 INFO L933 BasicCegarLoop]: 171 mSDtfsCounter, 308 mSDsluCounter, 501 mSDsCounter, 0 mSdLazyCounter, 632 mSolverCounterSat, 95 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 308 SdHoareTripleChecker+Valid, 670 SdHoareTripleChecker+Invalid, 727 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 95 IncrementalHoareTripleChecker+Valid, 632 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-03-01 16:49:35,000 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [308 Valid, 670 Invalid, 727 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [95 Valid, 632 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-01 16:49:35,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2165 states. [2022-03-01 16:49:35,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2165 to 1406. [2022-03-01 16:49:35,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1406 states, 1399 states have (on average 1.8656182987848464) internal successors, (2610), 1405 states have internal predecessors, (2610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:35,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1406 states to 1406 states and 2610 transitions. [2022-03-01 16:49:35,034 INFO L78 Accepts]: Start accepts. Automaton has 1406 states and 2610 transitions. Word has length 113 [2022-03-01 16:49:35,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:35,035 INFO L470 AbstractCegarLoop]: Abstraction has 1406 states and 2610 transitions. [2022-03-01 16:49:35,035 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:35,035 INFO L276 IsEmpty]: Start isEmpty. Operand 1406 states and 2610 transitions. [2022-03-01 16:49:35,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-01 16:49:35,037 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:35,037 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:49:35,037 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-03-01 16:49:35,038 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:49:35,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:35,038 INFO L85 PathProgramCache]: Analyzing trace with hash -620012861, now seen corresponding path program 3 times [2022-03-01 16:49:35,038 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:35,038 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2051167413] [2022-03-01 16:49:35,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:35,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:35,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:35,964 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:49:35,964 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:35,964 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2051167413] [2022-03-01 16:49:35,964 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2051167413] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:49:35,964 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:49:35,964 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-03-01 16:49:35,964 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [823042947] [2022-03-01 16:49:35,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:49:35,965 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-03-01 16:49:35,965 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:35,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-03-01 16:49:35,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=82, Unknown=0, NotChecked=0, Total=132 [2022-03-01 16:49:35,966 INFO L87 Difference]: Start difference. First operand 1406 states and 2610 transitions. Second operand has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:36,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:36,908 INFO L93 Difference]: Finished difference Result 2195 states and 4068 transitions. [2022-03-01 16:49:36,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-01 16:49:36,909 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-03-01 16:49:36,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:36,914 INFO L225 Difference]: With dead ends: 2195 [2022-03-01 16:49:36,914 INFO L226 Difference]: Without dead ends: 2195 [2022-03-01 16:49:36,914 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=154, Invalid=308, Unknown=0, NotChecked=0, Total=462 [2022-03-01 16:49:36,914 INFO L933 BasicCegarLoop]: 162 mSDtfsCounter, 263 mSDsluCounter, 874 mSDsCounter, 0 mSdLazyCounter, 926 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 263 SdHoareTripleChecker+Valid, 1034 SdHoareTripleChecker+Invalid, 1002 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 926 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-03-01 16:49:36,915 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [263 Valid, 1034 Invalid, 1002 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 926 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-03-01 16:49:36,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2195 states. [2022-03-01 16:49:36,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2195 to 1406. [2022-03-01 16:49:36,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1406 states, 1399 states have (on average 1.8656182987848464) internal successors, (2610), 1405 states have internal predecessors, (2610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:36,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1406 states to 1406 states and 2610 transitions. [2022-03-01 16:49:36,940 INFO L78 Accepts]: Start accepts. Automaton has 1406 states and 2610 transitions. Word has length 113 [2022-03-01 16:49:36,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:36,941 INFO L470 AbstractCegarLoop]: Abstraction has 1406 states and 2610 transitions. [2022-03-01 16:49:36,941 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:36,941 INFO L276 IsEmpty]: Start isEmpty. Operand 1406 states and 2610 transitions. [2022-03-01 16:49:36,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-01 16:49:36,943 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:36,943 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:49:36,943 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-03-01 16:49:36,943 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:49:36,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:36,944 INFO L85 PathProgramCache]: Analyzing trace with hash 836114431, now seen corresponding path program 4 times [2022-03-01 16:49:36,944 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:36,944 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [96974222] [2022-03-01 16:49:36,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:36,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:36,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:37,763 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:49:37,763 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:37,763 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [96974222] [2022-03-01 16:49:37,763 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [96974222] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:49:37,763 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:49:37,763 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-03-01 16:49:37,764 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [150942209] [2022-03-01 16:49:37,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:49:37,764 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-03-01 16:49:37,764 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:37,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-03-01 16:49:37,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=82, Unknown=0, NotChecked=0, Total=132 [2022-03-01 16:49:37,765 INFO L87 Difference]: Start difference. First operand 1406 states and 2610 transitions. Second operand has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:38,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:38,476 INFO L93 Difference]: Finished difference Result 2215 states and 4108 transitions. [2022-03-01 16:49:38,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-01 16:49:38,476 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-03-01 16:49:38,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:38,480 INFO L225 Difference]: With dead ends: 2215 [2022-03-01 16:49:38,480 INFO L226 Difference]: Without dead ends: 2215 [2022-03-01 16:49:38,480 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=154, Invalid=308, Unknown=0, NotChecked=0, Total=462 [2022-03-01 16:49:38,480 INFO L933 BasicCegarLoop]: 153 mSDtfsCounter, 275 mSDsluCounter, 402 mSDsCounter, 0 mSdLazyCounter, 574 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 275 SdHoareTripleChecker+Valid, 553 SdHoareTripleChecker+Invalid, 652 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 574 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-03-01 16:49:38,481 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [275 Valid, 553 Invalid, 652 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 574 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-01 16:49:38,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2215 states. [2022-03-01 16:49:38,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2215 to 1406. [2022-03-01 16:49:38,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1406 states, 1399 states have (on average 1.8656182987848464) internal successors, (2610), 1405 states have internal predecessors, (2610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:38,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1406 states to 1406 states and 2610 transitions. [2022-03-01 16:49:38,505 INFO L78 Accepts]: Start accepts. Automaton has 1406 states and 2610 transitions. Word has length 113 [2022-03-01 16:49:38,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:38,505 INFO L470 AbstractCegarLoop]: Abstraction has 1406 states and 2610 transitions. [2022-03-01 16:49:38,506 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:38,506 INFO L276 IsEmpty]: Start isEmpty. Operand 1406 states and 2610 transitions. [2022-03-01 16:49:38,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-01 16:49:38,508 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:38,508 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:49:38,508 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-03-01 16:49:38,508 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:49:38,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:38,509 INFO L85 PathProgramCache]: Analyzing trace with hash -567711677, now seen corresponding path program 5 times [2022-03-01 16:49:38,509 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:38,509 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1734194040] [2022-03-01 16:49:38,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:38,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:38,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:39,328 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:49:39,328 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:39,328 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1734194040] [2022-03-01 16:49:39,328 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1734194040] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:49:39,328 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:49:39,328 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-03-01 16:49:39,328 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378129714] [2022-03-01 16:49:39,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:49:39,329 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-03-01 16:49:39,329 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:39,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-03-01 16:49:39,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=82, Unknown=0, NotChecked=0, Total=132 [2022-03-01 16:49:39,329 INFO L87 Difference]: Start difference. First operand 1406 states and 2610 transitions. Second operand has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:39,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:39,956 INFO L93 Difference]: Finished difference Result 2133 states and 3963 transitions. [2022-03-01 16:49:39,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-01 16:49:39,956 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-03-01 16:49:39,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:39,960 INFO L225 Difference]: With dead ends: 2133 [2022-03-01 16:49:39,960 INFO L226 Difference]: Without dead ends: 2133 [2022-03-01 16:49:39,961 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=154, Invalid=308, Unknown=0, NotChecked=0, Total=462 [2022-03-01 16:49:39,961 INFO L933 BasicCegarLoop]: 144 mSDtfsCounter, 259 mSDsluCounter, 338 mSDsCounter, 0 mSdLazyCounter, 473 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 259 SdHoareTripleChecker+Valid, 480 SdHoareTripleChecker+Invalid, 541 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 473 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:49:39,961 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [259 Valid, 480 Invalid, 541 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 473 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-01 16:49:39,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2133 states. [2022-03-01 16:49:39,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2133 to 1406. [2022-03-01 16:49:39,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1406 states, 1399 states have (on average 1.8656182987848464) internal successors, (2610), 1405 states have internal predecessors, (2610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:39,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1406 states to 1406 states and 2610 transitions. [2022-03-01 16:49:39,984 INFO L78 Accepts]: Start accepts. Automaton has 1406 states and 2610 transitions. Word has length 113 [2022-03-01 16:49:39,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:39,985 INFO L470 AbstractCegarLoop]: Abstraction has 1406 states and 2610 transitions. [2022-03-01 16:49:39,994 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:39,994 INFO L276 IsEmpty]: Start isEmpty. Operand 1406 states and 2610 transitions. [2022-03-01 16:49:39,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-01 16:49:39,997 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:39,997 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:49:39,997 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-03-01 16:49:40,001 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:49:40,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:40,002 INFO L85 PathProgramCache]: Analyzing trace with hash 551482577, now seen corresponding path program 6 times [2022-03-01 16:49:40,002 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:40,003 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443574647] [2022-03-01 16:49:40,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:40,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:40,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:41,172 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:49:41,173 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:41,173 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [443574647] [2022-03-01 16:49:41,173 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [443574647] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:49:41,173 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:49:41,173 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-03-01 16:49:41,173 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1800226118] [2022-03-01 16:49:41,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:49:41,173 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-03-01 16:49:41,173 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:41,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-03-01 16:49:41,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=82, Unknown=0, NotChecked=0, Total=132 [2022-03-01 16:49:41,174 INFO L87 Difference]: Start difference. First operand 1406 states and 2610 transitions. Second operand has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:41,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:41,974 INFO L93 Difference]: Finished difference Result 2160 states and 4008 transitions. [2022-03-01 16:49:41,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-01 16:49:41,975 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-03-01 16:49:41,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:41,978 INFO L225 Difference]: With dead ends: 2160 [2022-03-01 16:49:41,979 INFO L226 Difference]: Without dead ends: 2160 [2022-03-01 16:49:41,979 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=156, Invalid=306, Unknown=0, NotChecked=0, Total=462 [2022-03-01 16:49:41,979 INFO L933 BasicCegarLoop]: 169 mSDtfsCounter, 295 mSDsluCounter, 509 mSDsCounter, 0 mSdLazyCounter, 644 mSolverCounterSat, 95 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 295 SdHoareTripleChecker+Valid, 676 SdHoareTripleChecker+Invalid, 739 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 95 IncrementalHoareTripleChecker+Valid, 644 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-03-01 16:49:41,980 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [295 Valid, 676 Invalid, 739 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [95 Valid, 644 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-01 16:49:41,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2160 states. [2022-03-01 16:49:41,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2160 to 1429. [2022-03-01 16:49:42,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1429 states, 1422 states have (on average 1.8677918424753868) internal successors, (2656), 1428 states have internal predecessors, (2656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:42,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1429 states to 1429 states and 2656 transitions. [2022-03-01 16:49:42,002 INFO L78 Accepts]: Start accepts. Automaton has 1429 states and 2656 transitions. Word has length 113 [2022-03-01 16:49:42,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:42,002 INFO L470 AbstractCegarLoop]: Abstraction has 1429 states and 2656 transitions. [2022-03-01 16:49:42,002 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:42,002 INFO L276 IsEmpty]: Start isEmpty. Operand 1429 states and 2656 transitions. [2022-03-01 16:49:42,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-01 16:49:42,004 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:42,004 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:49:42,005 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-03-01 16:49:42,005 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:49:42,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:42,005 INFO L85 PathProgramCache]: Analyzing trace with hash 1288454677, now seen corresponding path program 7 times [2022-03-01 16:49:42,005 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:42,005 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1129736625] [2022-03-01 16:49:42,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:42,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:42,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:43,343 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:49:43,343 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:43,343 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1129736625] [2022-03-01 16:49:43,344 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1129736625] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:49:43,344 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:49:43,344 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-03-01 16:49:43,344 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1242254834] [2022-03-01 16:49:43,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:49:43,344 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-03-01 16:49:43,344 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:43,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-03-01 16:49:43,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=82, Unknown=0, NotChecked=0, Total=132 [2022-03-01 16:49:43,345 INFO L87 Difference]: Start difference. First operand 1429 states and 2656 transitions. Second operand has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:44,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:44,211 INFO L93 Difference]: Finished difference Result 2178 states and 4044 transitions. [2022-03-01 16:49:44,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-01 16:49:44,212 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-03-01 16:49:44,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:44,216 INFO L225 Difference]: With dead ends: 2178 [2022-03-01 16:49:44,216 INFO L226 Difference]: Without dead ends: 2178 [2022-03-01 16:49:44,216 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=156, Invalid=306, Unknown=0, NotChecked=0, Total=462 [2022-03-01 16:49:44,217 INFO L933 BasicCegarLoop]: 160 mSDtfsCounter, 280 mSDsluCounter, 574 mSDsCounter, 0 mSdLazyCounter, 668 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 280 SdHoareTripleChecker+Valid, 732 SdHoareTripleChecker+Invalid, 757 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 668 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-03-01 16:49:44,217 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [280 Valid, 732 Invalid, 757 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 668 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-03-01 16:49:44,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2178 states. [2022-03-01 16:49:44,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2178 to 1417. [2022-03-01 16:49:44,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1417 states, 1410 states have (on average 1.8666666666666667) internal successors, (2632), 1416 states have internal predecessors, (2632), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:44,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1417 states to 1417 states and 2632 transitions. [2022-03-01 16:49:44,241 INFO L78 Accepts]: Start accepts. Automaton has 1417 states and 2632 transitions. Word has length 113 [2022-03-01 16:49:44,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:44,241 INFO L470 AbstractCegarLoop]: Abstraction has 1417 states and 2632 transitions. [2022-03-01 16:49:44,241 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:44,241 INFO L276 IsEmpty]: Start isEmpty. Operand 1417 states and 2632 transitions. [2022-03-01 16:49:44,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-01 16:49:44,243 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:44,244 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:49:44,244 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-03-01 16:49:44,244 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:49:44,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:44,244 INFO L85 PathProgramCache]: Analyzing trace with hash -121845815, now seen corresponding path program 8 times [2022-03-01 16:49:44,244 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:44,244 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [949378161] [2022-03-01 16:49:44,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:44,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:44,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:45,246 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:49:45,246 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:45,246 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [949378161] [2022-03-01 16:49:45,247 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [949378161] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:49:45,247 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:49:45,247 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-03-01 16:49:45,247 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [738864455] [2022-03-01 16:49:45,247 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:49:45,247 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-03-01 16:49:45,247 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:45,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-03-01 16:49:45,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132 [2022-03-01 16:49:45,248 INFO L87 Difference]: Start difference. First operand 1417 states and 2632 transitions. Second operand has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:46,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:46,002 INFO L93 Difference]: Finished difference Result 2121 states and 3940 transitions. [2022-03-01 16:49:46,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-03-01 16:49:46,002 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-03-01 16:49:46,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:46,006 INFO L225 Difference]: With dead ends: 2121 [2022-03-01 16:49:46,006 INFO L226 Difference]: Without dead ends: 2121 [2022-03-01 16:49:46,007 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=173, Invalid=333, Unknown=0, NotChecked=0, Total=506 [2022-03-01 16:49:46,007 INFO L933 BasicCegarLoop]: 153 mSDtfsCounter, 272 mSDsluCounter, 501 mSDsCounter, 0 mSdLazyCounter, 578 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 272 SdHoareTripleChecker+Valid, 652 SdHoareTripleChecker+Invalid, 657 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 578 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-03-01 16:49:46,007 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [272 Valid, 652 Invalid, 657 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 578 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-01 16:49:46,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2121 states. [2022-03-01 16:49:46,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2121 to 1407. [2022-03-01 16:49:46,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1407 states, 1400 states have (on average 1.8657142857142857) internal successors, (2612), 1406 states have internal predecessors, (2612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:46,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1407 states to 1407 states and 2612 transitions. [2022-03-01 16:49:46,031 INFO L78 Accepts]: Start accepts. Automaton has 1407 states and 2612 transitions. Word has length 113 [2022-03-01 16:49:46,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:46,032 INFO L470 AbstractCegarLoop]: Abstraction has 1407 states and 2612 transitions. [2022-03-01 16:49:46,032 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:46,032 INFO L276 IsEmpty]: Start isEmpty. Operand 1407 states and 2612 transitions. [2022-03-01 16:49:46,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-01 16:49:46,034 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:46,034 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:49:46,034 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-03-01 16:49:46,034 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:49:46,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:46,035 INFO L85 PathProgramCache]: Analyzing trace with hash 1447474959, now seen corresponding path program 9 times [2022-03-01 16:49:46,035 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:46,035 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1244592935] [2022-03-01 16:49:46,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:46,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:46,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:47,127 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:49:47,127 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:47,127 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1244592935] [2022-03-01 16:49:47,127 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1244592935] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:49:47,127 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:49:47,127 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-03-01 16:49:47,127 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1243459288] [2022-03-01 16:49:47,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:49:47,128 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-03-01 16:49:47,128 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:47,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-03-01 16:49:47,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=82, Unknown=0, NotChecked=0, Total=132 [2022-03-01 16:49:47,128 INFO L87 Difference]: Start difference. First operand 1407 states and 2612 transitions. Second operand has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:48,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:48,105 INFO L93 Difference]: Finished difference Result 2091 states and 3872 transitions. [2022-03-01 16:49:48,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-01 16:49:48,105 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-03-01 16:49:48,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:48,108 INFO L225 Difference]: With dead ends: 2091 [2022-03-01 16:49:48,108 INFO L226 Difference]: Without dead ends: 2091 [2022-03-01 16:49:48,108 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=158, Invalid=304, Unknown=0, NotChecked=0, Total=462 [2022-03-01 16:49:48,108 INFO L933 BasicCegarLoop]: 167 mSDtfsCounter, 280 mSDsluCounter, 781 mSDsCounter, 0 mSdLazyCounter, 881 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 280 SdHoareTripleChecker+Valid, 946 SdHoareTripleChecker+Invalid, 969 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 881 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-03-01 16:49:48,108 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [280 Valid, 946 Invalid, 969 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 881 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-03-01 16:49:48,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2091 states. [2022-03-01 16:49:48,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2091 to 1418. [2022-03-01 16:49:48,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1418 states, 1411 states have (on average 1.866761162296244) internal successors, (2634), 1417 states have internal predecessors, (2634), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:48,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1418 states to 1418 states and 2634 transitions. [2022-03-01 16:49:48,130 INFO L78 Accepts]: Start accepts. Automaton has 1418 states and 2634 transitions. Word has length 113 [2022-03-01 16:49:48,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:48,131 INFO L470 AbstractCegarLoop]: Abstraction has 1418 states and 2634 transitions. [2022-03-01 16:49:48,131 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:48,131 INFO L276 IsEmpty]: Start isEmpty. Operand 1418 states and 2634 transitions. [2022-03-01 16:49:48,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-01 16:49:48,133 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:48,133 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:49:48,133 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-03-01 16:49:48,134 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:49:48,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:48,134 INFO L85 PathProgramCache]: Analyzing trace with hash -2110520237, now seen corresponding path program 10 times [2022-03-01 16:49:48,134 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:48,134 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [709637610] [2022-03-01 16:49:48,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:48,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:48,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:49,460 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:49:49,460 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:49,461 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [709637610] [2022-03-01 16:49:49,461 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [709637610] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:49:49,461 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:49:49,461 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-03-01 16:49:49,461 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31561067] [2022-03-01 16:49:49,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:49:49,461 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-03-01 16:49:49,461 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:49,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-03-01 16:49:49,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=82, Unknown=0, NotChecked=0, Total=132 [2022-03-01 16:49:49,462 INFO L87 Difference]: Start difference. First operand 1418 states and 2634 transitions. Second operand has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:50,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:50,332 INFO L93 Difference]: Finished difference Result 2064 states and 3827 transitions. [2022-03-01 16:49:50,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-01 16:49:50,333 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-03-01 16:49:50,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:50,336 INFO L225 Difference]: With dead ends: 2064 [2022-03-01 16:49:50,336 INFO L226 Difference]: Without dead ends: 2064 [2022-03-01 16:49:50,336 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=158, Invalid=304, Unknown=0, NotChecked=0, Total=462 [2022-03-01 16:49:50,336 INFO L933 BasicCegarLoop]: 158 mSDtfsCounter, 259 mSDsluCounter, 747 mSDsCounter, 0 mSdLazyCounter, 821 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 259 SdHoareTripleChecker+Valid, 903 SdHoareTripleChecker+Invalid, 897 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 821 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-03-01 16:49:50,337 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [259 Valid, 903 Invalid, 897 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 821 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-03-01 16:49:50,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2064 states. [2022-03-01 16:49:50,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2064 to 1408. [2022-03-01 16:49:50,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1408 states, 1401 states have (on average 1.8658101356174162) internal successors, (2614), 1407 states have internal predecessors, (2614), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:50,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1408 states to 1408 states and 2614 transitions. [2022-03-01 16:49:50,357 INFO L78 Accepts]: Start accepts. Automaton has 1408 states and 2614 transitions. Word has length 113 [2022-03-01 16:49:50,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:50,357 INFO L470 AbstractCegarLoop]: Abstraction has 1408 states and 2614 transitions. [2022-03-01 16:49:50,357 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:50,358 INFO L276 IsEmpty]: Start isEmpty. Operand 1408 states and 2614 transitions. [2022-03-01 16:49:50,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-01 16:49:50,360 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:50,360 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:49:50,360 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-03-01 16:49:50,360 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:49:50,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:50,361 INFO L85 PathProgramCache]: Analyzing trace with hash 2052449145, now seen corresponding path program 11 times [2022-03-01 16:49:50,361 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:50,361 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1170889992] [2022-03-01 16:49:50,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:50,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:50,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:51,449 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:49:51,449 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:51,449 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1170889992] [2022-03-01 16:49:51,449 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1170889992] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:49:51,449 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:49:51,449 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-03-01 16:49:51,450 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202652399] [2022-03-01 16:49:51,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:49:51,450 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-03-01 16:49:51,450 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:51,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-03-01 16:49:51,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=81, Unknown=0, NotChecked=0, Total=132 [2022-03-01 16:49:51,451 INFO L87 Difference]: Start difference. First operand 1408 states and 2614 transitions. Second operand has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:52,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:52,259 INFO L93 Difference]: Finished difference Result 1975 states and 3658 transitions. [2022-03-01 16:49:52,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-01 16:49:52,259 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-03-01 16:49:52,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:52,262 INFO L225 Difference]: With dead ends: 1975 [2022-03-01 16:49:52,262 INFO L226 Difference]: Without dead ends: 1975 [2022-03-01 16:49:52,262 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=164, Invalid=298, Unknown=0, NotChecked=0, Total=462 [2022-03-01 16:49:52,263 INFO L933 BasicCegarLoop]: 167 mSDtfsCounter, 278 mSDsluCounter, 502 mSDsCounter, 0 mSdLazyCounter, 647 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 278 SdHoareTripleChecker+Valid, 667 SdHoareTripleChecker+Invalid, 734 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 647 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-03-01 16:49:52,263 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [278 Valid, 667 Invalid, 734 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 647 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-01 16:49:52,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1975 states. [2022-03-01 16:49:52,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1975 to 1426. [2022-03-01 16:49:52,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1426 states, 1419 states have (on average 1.8675123326286116) internal successors, (2650), 1425 states have internal predecessors, (2650), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:52,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1426 states to 1426 states and 2650 transitions. [2022-03-01 16:49:52,283 INFO L78 Accepts]: Start accepts. Automaton has 1426 states and 2650 transitions. Word has length 113 [2022-03-01 16:49:52,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:52,283 INFO L470 AbstractCegarLoop]: Abstraction has 1426 states and 2650 transitions. [2022-03-01 16:49:52,283 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:52,283 INFO L276 IsEmpty]: Start isEmpty. Operand 1426 states and 2650 transitions. [2022-03-01 16:49:52,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-01 16:49:52,285 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:52,285 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:49:52,285 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-03-01 16:49:52,286 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:49:52,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:52,286 INFO L85 PathProgramCache]: Analyzing trace with hash -2023297281, now seen corresponding path program 3 times [2022-03-01 16:49:52,286 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:52,286 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [939030004] [2022-03-01 16:49:52,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:52,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:52,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:52,905 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:49:52,905 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:52,905 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [939030004] [2022-03-01 16:49:52,905 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [939030004] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:49:52,905 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:49:52,905 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-03-01 16:49:52,905 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16723178] [2022-03-01 16:49:52,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:49:52,906 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-01 16:49:52,906 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:52,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-01 16:49:52,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=278, Unknown=0, NotChecked=0, Total=342 [2022-03-01 16:49:52,906 INFO L87 Difference]: Start difference. First operand 1426 states and 2650 transitions. Second operand has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:54,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:54,110 INFO L93 Difference]: Finished difference Result 2446 states and 4549 transitions. [2022-03-01 16:49:54,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-01 16:49:54,110 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-03-01 16:49:54,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:54,113 INFO L225 Difference]: With dead ends: 2446 [2022-03-01 16:49:54,113 INFO L226 Difference]: Without dead ends: 2446 [2022-03-01 16:49:54,113 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 370 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=351, Invalid=1289, Unknown=0, NotChecked=0, Total=1640 [2022-03-01 16:49:54,114 INFO L933 BasicCegarLoop]: 131 mSDtfsCounter, 746 mSDsluCounter, 682 mSDsCounter, 0 mSdLazyCounter, 898 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 746 SdHoareTripleChecker+Valid, 811 SdHoareTripleChecker+Invalid, 982 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 898 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-03-01 16:49:54,114 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [746 Valid, 811 Invalid, 982 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 898 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-03-01 16:49:54,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2446 states. [2022-03-01 16:49:54,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2446 to 1429. [2022-03-01 16:49:54,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1429 states, 1422 states have (on average 1.8677918424753868) internal successors, (2656), 1428 states have internal predecessors, (2656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:54,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1429 states to 1429 states and 2656 transitions. [2022-03-01 16:49:54,135 INFO L78 Accepts]: Start accepts. Automaton has 1429 states and 2656 transitions. Word has length 113 [2022-03-01 16:49:54,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:54,135 INFO L470 AbstractCegarLoop]: Abstraction has 1429 states and 2656 transitions. [2022-03-01 16:49:54,135 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:54,135 INFO L276 IsEmpty]: Start isEmpty. Operand 1429 states and 2656 transitions. [2022-03-01 16:49:54,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-01 16:49:54,137 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:54,137 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:49:54,137 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-03-01 16:49:54,138 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:49:54,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:54,138 INFO L85 PathProgramCache]: Analyzing trace with hash -178145435, now seen corresponding path program 4 times [2022-03-01 16:49:54,138 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:54,138 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1766760316] [2022-03-01 16:49:54,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:54,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:54,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:54,929 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:49:54,930 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:54,930 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1766760316] [2022-03-01 16:49:54,930 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1766760316] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:49:54,930 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:49:54,930 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-03-01 16:49:54,930 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281275058] [2022-03-01 16:49:54,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:49:54,930 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-01 16:49:54,931 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:54,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-01 16:49:54,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=278, Unknown=0, NotChecked=0, Total=342 [2022-03-01 16:49:54,931 INFO L87 Difference]: Start difference. First operand 1429 states and 2656 transitions. Second operand has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:56,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:56,272 INFO L93 Difference]: Finished difference Result 2410 states and 4477 transitions. [2022-03-01 16:49:56,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-01 16:49:56,273 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-03-01 16:49:56,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:56,276 INFO L225 Difference]: With dead ends: 2410 [2022-03-01 16:49:56,276 INFO L226 Difference]: Without dead ends: 2410 [2022-03-01 16:49:56,277 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 366 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=356, Invalid=1284, Unknown=0, NotChecked=0, Total=1640 [2022-03-01 16:49:56,277 INFO L933 BasicCegarLoop]: 133 mSDtfsCounter, 758 mSDsluCounter, 931 mSDsCounter, 0 mSdLazyCounter, 1273 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 758 SdHoareTripleChecker+Valid, 1062 SdHoareTripleChecker+Invalid, 1350 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 1273 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-03-01 16:49:56,278 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [758 Valid, 1062 Invalid, 1350 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 1273 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-03-01 16:49:56,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2410 states. [2022-03-01 16:49:56,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2410 to 1430. [2022-03-01 16:49:56,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1430 states, 1423 states have (on average 1.8678847505270555) internal successors, (2658), 1429 states have internal predecessors, (2658), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:56,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1430 states to 1430 states and 2658 transitions. [2022-03-01 16:49:56,299 INFO L78 Accepts]: Start accepts. Automaton has 1430 states and 2658 transitions. Word has length 113 [2022-03-01 16:49:56,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:56,299 INFO L470 AbstractCegarLoop]: Abstraction has 1430 states and 2658 transitions. [2022-03-01 16:49:56,299 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:56,299 INFO L276 IsEmpty]: Start isEmpty. Operand 1430 states and 2658 transitions. [2022-03-01 16:49:56,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-01 16:49:56,301 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:56,302 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:49:56,302 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-03-01 16:49:56,302 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:49:56,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:56,302 INFO L85 PathProgramCache]: Analyzing trace with hash -1665577627, now seen corresponding path program 5 times [2022-03-01 16:49:56,302 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:56,302 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [370261874] [2022-03-01 16:49:56,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:56,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:56,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:57,063 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:49:57,063 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:57,064 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [370261874] [2022-03-01 16:49:57,064 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [370261874] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:49:57,064 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:49:57,064 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-03-01 16:49:57,064 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [54863562] [2022-03-01 16:49:57,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:49:57,064 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-01 16:49:57,064 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:57,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-01 16:49:57,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=278, Unknown=0, NotChecked=0, Total=342 [2022-03-01 16:49:57,065 INFO L87 Difference]: Start difference. First operand 1430 states and 2658 transitions. Second operand has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:58,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:49:58,526 INFO L93 Difference]: Finished difference Result 2381 states and 4411 transitions. [2022-03-01 16:49:58,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-01 16:49:58,527 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-03-01 16:49:58,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:49:58,529 INFO L225 Difference]: With dead ends: 2381 [2022-03-01 16:49:58,529 INFO L226 Difference]: Without dead ends: 2381 [2022-03-01 16:49:58,530 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 358 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=366, Invalid=1274, Unknown=0, NotChecked=0, Total=1640 [2022-03-01 16:49:58,530 INFO L933 BasicCegarLoop]: 136 mSDtfsCounter, 809 mSDsluCounter, 883 mSDsCounter, 0 mSdLazyCounter, 1214 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 809 SdHoareTripleChecker+Valid, 1017 SdHoareTripleChecker+Invalid, 1294 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 1214 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-03-01 16:49:58,530 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [809 Valid, 1017 Invalid, 1294 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 1214 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-03-01 16:49:58,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2381 states. [2022-03-01 16:49:58,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2381 to 1432. [2022-03-01 16:49:58,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1432 states, 1425 states have (on average 1.8673684210526316) internal successors, (2661), 1431 states have internal predecessors, (2661), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:58,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1432 states to 1432 states and 2661 transitions. [2022-03-01 16:49:58,564 INFO L78 Accepts]: Start accepts. Automaton has 1432 states and 2661 transitions. Word has length 113 [2022-03-01 16:49:58,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:49:58,565 INFO L470 AbstractCegarLoop]: Abstraction has 1432 states and 2661 transitions. [2022-03-01 16:49:58,565 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:49:58,565 INFO L276 IsEmpty]: Start isEmpty. Operand 1432 states and 2661 transitions. [2022-03-01 16:49:58,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-01 16:49:58,569 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:49:58,569 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:49:58,570 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-03-01 16:49:58,570 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:49:58,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:49:58,571 INFO L85 PathProgramCache]: Analyzing trace with hash 465106407, now seen corresponding path program 6 times [2022-03-01 16:49:58,571 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:49:58,571 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1625029608] [2022-03-01 16:49:58,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:49:58,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:49:58,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:49:59,499 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:49:59,500 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:49:59,500 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1625029608] [2022-03-01 16:49:59,500 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1625029608] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:49:59,500 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:49:59,500 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-03-01 16:49:59,500 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623911735] [2022-03-01 16:49:59,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:49:59,500 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-01 16:49:59,500 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:49:59,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-01 16:49:59,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=278, Unknown=0, NotChecked=0, Total=342 [2022-03-01 16:49:59,501 INFO L87 Difference]: Start difference. First operand 1432 states and 2661 transitions. Second operand has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:00,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:00,677 INFO L93 Difference]: Finished difference Result 2374 states and 4405 transitions. [2022-03-01 16:50:00,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-01 16:50:00,677 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-03-01 16:50:00,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:00,679 INFO L225 Difference]: With dead ends: 2374 [2022-03-01 16:50:00,679 INFO L226 Difference]: Without dead ends: 2374 [2022-03-01 16:50:00,680 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 362 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=361, Invalid=1279, Unknown=0, NotChecked=0, Total=1640 [2022-03-01 16:50:00,680 INFO L933 BasicCegarLoop]: 135 mSDtfsCounter, 796 mSDsluCounter, 614 mSDsCounter, 0 mSdLazyCounter, 807 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 796 SdHoareTripleChecker+Valid, 747 SdHoareTripleChecker+Invalid, 887 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 807 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:00,681 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [796 Valid, 747 Invalid, 887 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 807 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-01 16:50:00,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2374 states. [2022-03-01 16:50:00,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2374 to 1432. [2022-03-01 16:50:00,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1432 states, 1425 states have (on average 1.8673684210526316) internal successors, (2661), 1431 states have internal predecessors, (2661), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:00,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1432 states to 1432 states and 2661 transitions. [2022-03-01 16:50:00,701 INFO L78 Accepts]: Start accepts. Automaton has 1432 states and 2661 transitions. Word has length 113 [2022-03-01 16:50:00,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:00,702 INFO L470 AbstractCegarLoop]: Abstraction has 1432 states and 2661 transitions. [2022-03-01 16:50:00,702 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:00,702 INFO L276 IsEmpty]: Start isEmpty. Operand 1432 states and 2661 transitions. [2022-03-01 16:50:00,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-01 16:50:00,704 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:00,704 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:50:00,704 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-03-01 16:50:00,704 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:50:00,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:00,704 INFO L85 PathProgramCache]: Analyzing trace with hash 2040785995, now seen corresponding path program 12 times [2022-03-01 16:50:00,705 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:00,705 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309868557] [2022-03-01 16:50:00,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:00,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:00,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:01,451 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:50:01,451 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:01,451 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [309868557] [2022-03-01 16:50:01,451 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [309868557] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:01,451 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:01,451 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-03-01 16:50:01,451 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1179119878] [2022-03-01 16:50:01,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:01,452 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-03-01 16:50:01,452 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:01,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-03-01 16:50:01,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2022-03-01 16:50:01,452 INFO L87 Difference]: Start difference. First operand 1432 states and 2661 transitions. Second operand has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:02,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:02,310 INFO L93 Difference]: Finished difference Result 1812 states and 3369 transitions. [2022-03-01 16:50:02,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-01 16:50:02,311 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-03-01 16:50:02,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:02,312 INFO L225 Difference]: With dead ends: 1812 [2022-03-01 16:50:02,312 INFO L226 Difference]: Without dead ends: 1812 [2022-03-01 16:50:02,313 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 114 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=181, Invalid=419, Unknown=0, NotChecked=0, Total=600 [2022-03-01 16:50:02,313 INFO L933 BasicCegarLoop]: 194 mSDtfsCounter, 255 mSDsluCounter, 589 mSDsCounter, 0 mSdLazyCounter, 591 mSolverCounterSat, 113 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 255 SdHoareTripleChecker+Valid, 780 SdHoareTripleChecker+Invalid, 704 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 113 IncrementalHoareTripleChecker+Valid, 591 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:02,313 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [255 Valid, 780 Invalid, 704 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [113 Valid, 591 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-01 16:50:02,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1812 states. [2022-03-01 16:50:02,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1812 to 1454. [2022-03-01 16:50:02,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1454 states, 1447 states have (on average 1.8693849343469247) internal successors, (2705), 1453 states have internal predecessors, (2705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:02,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1454 states to 1454 states and 2705 transitions. [2022-03-01 16:50:02,331 INFO L78 Accepts]: Start accepts. Automaton has 1454 states and 2705 transitions. Word has length 113 [2022-03-01 16:50:02,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:02,331 INFO L470 AbstractCegarLoop]: Abstraction has 1454 states and 2705 transitions. [2022-03-01 16:50:02,331 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:02,331 INFO L276 IsEmpty]: Start isEmpty. Operand 1454 states and 2705 transitions. [2022-03-01 16:50:02,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-01 16:50:02,333 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:02,333 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:50:02,333 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-03-01 16:50:02,333 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:50:02,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:02,334 INFO L85 PathProgramCache]: Analyzing trace with hash -1517209201, now seen corresponding path program 13 times [2022-03-01 16:50:02,334 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:02,334 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [674519097] [2022-03-01 16:50:02,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:02,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:02,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:03,176 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:50:03,176 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:03,176 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [674519097] [2022-03-01 16:50:03,176 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [674519097] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:03,176 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:03,176 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-03-01 16:50:03,176 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [375694895] [2022-03-01 16:50:03,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:03,177 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-03-01 16:50:03,177 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:03,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-03-01 16:50:03,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2022-03-01 16:50:03,177 INFO L87 Difference]: Start difference. First operand 1454 states and 2705 transitions. Second operand has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:03,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:03,976 INFO L93 Difference]: Finished difference Result 1833 states and 3403 transitions. [2022-03-01 16:50:03,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-01 16:50:03,976 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-03-01 16:50:03,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:03,978 INFO L225 Difference]: With dead ends: 1833 [2022-03-01 16:50:03,978 INFO L226 Difference]: Without dead ends: 1833 [2022-03-01 16:50:03,979 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=152, Invalid=354, Unknown=0, NotChecked=0, Total=506 [2022-03-01 16:50:03,979 INFO L933 BasicCegarLoop]: 180 mSDtfsCounter, 212 mSDsluCounter, 711 mSDsCounter, 0 mSdLazyCounter, 695 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 212 SdHoareTripleChecker+Valid, 888 SdHoareTripleChecker+Invalid, 783 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 695 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:03,979 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [212 Valid, 888 Invalid, 783 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 695 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-01 16:50:03,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1833 states. [2022-03-01 16:50:03,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1833 to 1418. [2022-03-01 16:50:03,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1418 states, 1411 states have (on average 1.8660524450744154) internal successors, (2633), 1417 states have internal predecessors, (2633), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:03,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1418 states to 1418 states and 2633 transitions. [2022-03-01 16:50:03,995 INFO L78 Accepts]: Start accepts. Automaton has 1418 states and 2633 transitions. Word has length 113 [2022-03-01 16:50:03,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:03,995 INFO L470 AbstractCegarLoop]: Abstraction has 1418 states and 2633 transitions. [2022-03-01 16:50:03,995 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:03,995 INFO L276 IsEmpty]: Start isEmpty. Operand 1418 states and 2633 transitions. [2022-03-01 16:50:03,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-01 16:50:03,997 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:03,997 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:50:03,997 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-03-01 16:50:03,997 INFO L402 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:50:03,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:03,998 INFO L85 PathProgramCache]: Analyzing trace with hash -345713763, now seen corresponding path program 14 times [2022-03-01 16:50:03,998 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:03,998 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2044737453] [2022-03-01 16:50:03,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:03,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:04,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:04,986 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:50:04,986 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:04,986 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2044737453] [2022-03-01 16:50:04,986 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2044737453] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:04,986 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:04,987 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-03-01 16:50:04,987 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1381468813] [2022-03-01 16:50:04,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:04,987 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-03-01 16:50:04,987 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:04,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-03-01 16:50:04,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2022-03-01 16:50:04,988 INFO L87 Difference]: Start difference. First operand 1418 states and 2633 transitions. Second operand has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:06,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:06,181 INFO L93 Difference]: Finished difference Result 2141 states and 4005 transitions. [2022-03-01 16:50:06,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-03-01 16:50:06,187 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-03-01 16:50:06,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:06,191 INFO L225 Difference]: With dead ends: 2141 [2022-03-01 16:50:06,191 INFO L226 Difference]: Without dead ends: 2141 [2022-03-01 16:50:06,191 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 146 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=222, Invalid=480, Unknown=0, NotChecked=0, Total=702 [2022-03-01 16:50:06,194 INFO L933 BasicCegarLoop]: 205 mSDtfsCounter, 250 mSDsluCounter, 748 mSDsCounter, 0 mSdLazyCounter, 871 mSolverCounterSat, 116 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 250 SdHoareTripleChecker+Valid, 951 SdHoareTripleChecker+Invalid, 987 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 116 IncrementalHoareTripleChecker+Valid, 871 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:06,195 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [250 Valid, 951 Invalid, 987 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [116 Valid, 871 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-03-01 16:50:06,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2141 states. [2022-03-01 16:50:06,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2141 to 1441. [2022-03-01 16:50:06,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1441 states, 1434 states have (on average 1.8682008368200838) internal successors, (2679), 1440 states have internal predecessors, (2679), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:06,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1441 states to 1441 states and 2679 transitions. [2022-03-01 16:50:06,218 INFO L78 Accepts]: Start accepts. Automaton has 1441 states and 2679 transitions. Word has length 113 [2022-03-01 16:50:06,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:06,218 INFO L470 AbstractCegarLoop]: Abstraction has 1441 states and 2679 transitions. [2022-03-01 16:50:06,218 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:06,218 INFO L276 IsEmpty]: Start isEmpty. Operand 1441 states and 2679 transitions. [2022-03-01 16:50:06,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-01 16:50:06,220 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:06,220 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:50:06,220 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-03-01 16:50:06,220 INFO L402 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:50:06,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:06,221 INFO L85 PathProgramCache]: Analyzing trace with hash 391258337, now seen corresponding path program 15 times [2022-03-01 16:50:06,221 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:06,221 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1956500570] [2022-03-01 16:50:06,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:06,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:06,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:07,354 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:50:07,355 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:07,355 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1956500570] [2022-03-01 16:50:07,355 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1956500570] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:07,355 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:07,355 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-03-01 16:50:07,355 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887199291] [2022-03-01 16:50:07,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:07,355 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-03-01 16:50:07,356 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:07,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-03-01 16:50:07,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2022-03-01 16:50:07,356 INFO L87 Difference]: Start difference. First operand 1441 states and 2679 transitions. Second operand has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:08,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:08,396 INFO L93 Difference]: Finished difference Result 2164 states and 4051 transitions. [2022-03-01 16:50:08,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-01 16:50:08,397 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-03-01 16:50:08,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:08,399 INFO L225 Difference]: With dead ends: 2164 [2022-03-01 16:50:08,399 INFO L226 Difference]: Without dead ends: 2164 [2022-03-01 16:50:08,399 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 124 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=188, Invalid=412, Unknown=0, NotChecked=0, Total=600 [2022-03-01 16:50:08,400 INFO L933 BasicCegarLoop]: 196 mSDtfsCounter, 224 mSDsluCounter, 702 mSDsCounter, 0 mSdLazyCounter, 799 mSolverCounterSat, 106 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 224 SdHoareTripleChecker+Valid, 896 SdHoareTripleChecker+Invalid, 905 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 106 IncrementalHoareTripleChecker+Valid, 799 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:08,400 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [224 Valid, 896 Invalid, 905 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [106 Valid, 799 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-03-01 16:50:08,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2164 states. [2022-03-01 16:50:08,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2164 to 1429. [2022-03-01 16:50:08,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1429 states, 1422 states have (on average 1.8670886075949367) internal successors, (2655), 1428 states have internal predecessors, (2655), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:08,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1429 states to 1429 states and 2655 transitions. [2022-03-01 16:50:08,417 INFO L78 Accepts]: Start accepts. Automaton has 1429 states and 2655 transitions. Word has length 113 [2022-03-01 16:50:08,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:08,417 INFO L470 AbstractCegarLoop]: Abstraction has 1429 states and 2655 transitions. [2022-03-01 16:50:08,418 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:08,418 INFO L276 IsEmpty]: Start isEmpty. Operand 1429 states and 2655 transitions. [2022-03-01 16:50:08,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-01 16:50:08,419 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:08,420 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:50:08,420 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-03-01 16:50:08,420 INFO L402 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:50:08,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:08,420 INFO L85 PathProgramCache]: Analyzing trace with hash -1019042155, now seen corresponding path program 16 times [2022-03-01 16:50:08,420 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:08,420 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367423474] [2022-03-01 16:50:08,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:08,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:08,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:09,201 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:50:09,201 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:09,201 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367423474] [2022-03-01 16:50:09,201 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [367423474] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:09,201 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:09,201 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-03-01 16:50:09,201 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [821303305] [2022-03-01 16:50:09,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:09,202 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-03-01 16:50:09,202 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:09,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-03-01 16:50:09,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2022-03-01 16:50:09,202 INFO L87 Difference]: Start difference. First operand 1429 states and 2655 transitions. Second operand has 11 states, 10 states have (on average 6.8) internal successors, (68), 11 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:09,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:09,960 INFO L93 Difference]: Finished difference Result 2084 states and 3901 transitions. [2022-03-01 16:50:09,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-03-01 16:50:09,960 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.8) internal successors, (68), 11 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-03-01 16:50:09,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:09,963 INFO L225 Difference]: With dead ends: 2084 [2022-03-01 16:50:09,963 INFO L226 Difference]: Without dead ends: 2084 [2022-03-01 16:50:09,964 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 3 SyntacticMatches, 4 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=134, Invalid=286, Unknown=0, NotChecked=0, Total=420 [2022-03-01 16:50:09,964 INFO L933 BasicCegarLoop]: 182 mSDtfsCounter, 214 mSDsluCounter, 520 mSDsCounter, 0 mSdLazyCounter, 593 mSolverCounterSat, 104 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 214 SdHoareTripleChecker+Valid, 700 SdHoareTripleChecker+Invalid, 697 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 104 IncrementalHoareTripleChecker+Valid, 593 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:09,964 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [214 Valid, 700 Invalid, 697 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [104 Valid, 593 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-01 16:50:09,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2084 states. [2022-03-01 16:50:09,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2084 to 1461. [2022-03-01 16:50:09,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1461 states, 1454 states have (on average 1.8700137551581844) internal successors, (2719), 1460 states have internal predecessors, (2719), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:09,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1461 states to 1461 states and 2719 transitions. [2022-03-01 16:50:09,984 INFO L78 Accepts]: Start accepts. Automaton has 1461 states and 2719 transitions. Word has length 113 [2022-03-01 16:50:09,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:09,984 INFO L470 AbstractCegarLoop]: Abstraction has 1461 states and 2719 transitions. [2022-03-01 16:50:09,984 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.8) internal successors, (68), 11 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:09,984 INFO L276 IsEmpty]: Start isEmpty. Operand 1461 states and 2719 transitions. [2022-03-01 16:50:09,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-01 16:50:09,986 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:09,986 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:50:09,986 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-03-01 16:50:09,986 INFO L402 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:50:09,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:09,987 INFO L85 PathProgramCache]: Analyzing trace with hash 550278619, now seen corresponding path program 17 times [2022-03-01 16:50:09,987 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:09,987 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1277948831] [2022-03-01 16:50:09,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:09,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:10,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:10,987 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:50:10,988 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:10,988 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1277948831] [2022-03-01 16:50:10,988 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1277948831] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:10,988 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:10,988 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-03-01 16:50:10,988 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915307378] [2022-03-01 16:50:10,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:10,988 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-03-01 16:50:10,988 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:10,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-03-01 16:50:10,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2022-03-01 16:50:10,989 INFO L87 Difference]: Start difference. First operand 1461 states and 2719 transitions. Second operand has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:12,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:12,085 INFO L93 Difference]: Finished difference Result 2133 states and 3991 transitions. [2022-03-01 16:50:12,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-03-01 16:50:12,086 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-03-01 16:50:12,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:12,088 INFO L225 Difference]: With dead ends: 2133 [2022-03-01 16:50:12,088 INFO L226 Difference]: Without dead ends: 2133 [2022-03-01 16:50:12,088 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 145 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=225, Invalid=477, Unknown=0, NotChecked=0, Total=702 [2022-03-01 16:50:12,089 INFO L933 BasicCegarLoop]: 203 mSDtfsCounter, 271 mSDsluCounter, 580 mSDsCounter, 0 mSdLazyCounter, 698 mSolverCounterSat, 112 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 271 SdHoareTripleChecker+Valid, 781 SdHoareTripleChecker+Invalid, 810 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 112 IncrementalHoareTripleChecker+Valid, 698 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:12,089 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [271 Valid, 781 Invalid, 810 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [112 Valid, 698 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-03-01 16:50:12,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2133 states. [2022-03-01 16:50:12,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2133 to 1472. [2022-03-01 16:50:12,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1472 states, 1465 states have (on average 1.8709897610921502) internal successors, (2741), 1471 states have internal predecessors, (2741), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:12,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1472 states to 1472 states and 2741 transitions. [2022-03-01 16:50:12,104 INFO L78 Accepts]: Start accepts. Automaton has 1472 states and 2741 transitions. Word has length 113 [2022-03-01 16:50:12,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:12,104 INFO L470 AbstractCegarLoop]: Abstraction has 1472 states and 2741 transitions. [2022-03-01 16:50:12,105 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:12,105 INFO L276 IsEmpty]: Start isEmpty. Operand 1472 states and 2741 transitions. [2022-03-01 16:50:12,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-01 16:50:12,106 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:12,107 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:50:12,107 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2022-03-01 16:50:12,107 INFO L402 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:50:12,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:12,107 INFO L85 PathProgramCache]: Analyzing trace with hash 1287250719, now seen corresponding path program 18 times [2022-03-01 16:50:12,107 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:12,107 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [233362385] [2022-03-01 16:50:12,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:12,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:12,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:13,232 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:50:13,233 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:13,233 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [233362385] [2022-03-01 16:50:13,233 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [233362385] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:13,233 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:13,233 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-03-01 16:50:13,233 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1666296468] [2022-03-01 16:50:13,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:13,233 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-03-01 16:50:13,233 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:13,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-03-01 16:50:13,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2022-03-01 16:50:13,234 INFO L87 Difference]: Start difference. First operand 1472 states and 2741 transitions. Second operand has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:14,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:14,464 INFO L93 Difference]: Finished difference Result 2106 states and 3946 transitions. [2022-03-01 16:50:14,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-03-01 16:50:14,464 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-03-01 16:50:14,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:14,466 INFO L225 Difference]: With dead ends: 2106 [2022-03-01 16:50:14,466 INFO L226 Difference]: Without dead ends: 2106 [2022-03-01 16:50:14,466 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 136 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=209, Invalid=441, Unknown=0, NotChecked=0, Total=650 [2022-03-01 16:50:14,467 INFO L933 BasicCegarLoop]: 194 mSDtfsCounter, 202 mSDsluCounter, 958 mSDsCounter, 0 mSdLazyCounter, 1050 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 202 SdHoareTripleChecker+Valid, 1150 SdHoareTripleChecker+Invalid, 1138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 1050 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:14,467 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [202 Valid, 1150 Invalid, 1138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 1050 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-03-01 16:50:14,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2106 states. [2022-03-01 16:50:14,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2106 to 1462. [2022-03-01 16:50:14,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1462 states, 1455 states have (on average 1.8701030927835052) internal successors, (2721), 1461 states have internal predecessors, (2721), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:14,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1462 states to 1462 states and 2721 transitions. [2022-03-01 16:50:14,486 INFO L78 Accepts]: Start accepts. Automaton has 1462 states and 2721 transitions. Word has length 113 [2022-03-01 16:50:14,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:14,486 INFO L470 AbstractCegarLoop]: Abstraction has 1462 states and 2721 transitions. [2022-03-01 16:50:14,487 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:14,487 INFO L276 IsEmpty]: Start isEmpty. Operand 1462 states and 2721 transitions. [2022-03-01 16:50:14,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-01 16:50:14,488 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:14,489 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:50:14,489 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2022-03-01 16:50:14,489 INFO L402 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:50:14,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:14,489 INFO L85 PathProgramCache]: Analyzing trace with hash 1155252805, now seen corresponding path program 19 times [2022-03-01 16:50:14,489 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:14,489 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [165133853] [2022-03-01 16:50:14,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:14,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:14,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:15,412 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:50:15,412 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:15,413 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [165133853] [2022-03-01 16:50:15,413 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [165133853] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:15,413 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:15,413 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-03-01 16:50:15,413 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [200638769] [2022-03-01 16:50:15,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:15,413 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-03-01 16:50:15,413 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:15,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-03-01 16:50:15,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2022-03-01 16:50:15,414 INFO L87 Difference]: Start difference. First operand 1462 states and 2721 transitions. Second operand has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:16,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:16,475 INFO L93 Difference]: Finished difference Result 2017 states and 3777 transitions. [2022-03-01 16:50:16,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-01 16:50:16,475 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-03-01 16:50:16,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:16,477 INFO L225 Difference]: With dead ends: 2017 [2022-03-01 16:50:16,477 INFO L226 Difference]: Without dead ends: 2017 [2022-03-01 16:50:16,477 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 121 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=196, Invalid=404, Unknown=0, NotChecked=0, Total=600 [2022-03-01 16:50:16,478 INFO L933 BasicCegarLoop]: 190 mSDtfsCounter, 217 mSDsluCounter, 646 mSDsCounter, 0 mSdLazyCounter, 733 mSolverCounterSat, 92 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 217 SdHoareTripleChecker+Valid, 833 SdHoareTripleChecker+Invalid, 825 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 92 IncrementalHoareTripleChecker+Valid, 733 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:16,478 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [217 Valid, 833 Invalid, 825 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [92 Valid, 733 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-03-01 16:50:16,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2017 states. [2022-03-01 16:50:16,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2017 to 1461. [2022-03-01 16:50:16,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1461 states, 1454 states have (on average 1.8700137551581844) internal successors, (2719), 1460 states have internal predecessors, (2719), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:16,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1461 states to 1461 states and 2719 transitions. [2022-03-01 16:50:16,491 INFO L78 Accepts]: Start accepts. Automaton has 1461 states and 2719 transitions. Word has length 113 [2022-03-01 16:50:16,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:16,492 INFO L470 AbstractCegarLoop]: Abstraction has 1461 states and 2719 transitions. [2022-03-01 16:50:16,492 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:16,492 INFO L276 IsEmpty]: Start isEmpty. Operand 1461 states and 2719 transitions. [2022-03-01 16:50:16,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-01 16:50:16,493 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:16,493 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:50:16,493 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2022-03-01 16:50:16,494 INFO L402 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:50:16,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:16,494 INFO L85 PathProgramCache]: Analyzing trace with hash 279544873, now seen corresponding path program 20 times [2022-03-01 16:50:16,494 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:16,494 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1411075356] [2022-03-01 16:50:16,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:16,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:16,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:17,491 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:50:17,491 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:17,491 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1411075356] [2022-03-01 16:50:17,492 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1411075356] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:17,492 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:17,492 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-03-01 16:50:17,492 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761733358] [2022-03-01 16:50:17,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:17,492 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-03-01 16:50:17,492 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:17,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-03-01 16:50:17,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2022-03-01 16:50:17,493 INFO L87 Difference]: Start difference. First operand 1461 states and 2719 transitions. Second operand has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:18,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:18,426 INFO L93 Difference]: Finished difference Result 1810 states and 3367 transitions. [2022-03-01 16:50:18,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-01 16:50:18,427 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-03-01 16:50:18,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:18,429 INFO L225 Difference]: With dead ends: 1810 [2022-03-01 16:50:18,429 INFO L226 Difference]: Without dead ends: 1810 [2022-03-01 16:50:18,429 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 106 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=165, Invalid=387, Unknown=0, NotChecked=0, Total=552 [2022-03-01 16:50:18,430 INFO L933 BasicCegarLoop]: 201 mSDtfsCounter, 256 mSDsluCounter, 616 mSDsCounter, 0 mSdLazyCounter, 614 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 256 SdHoareTripleChecker+Valid, 813 SdHoareTripleChecker+Invalid, 716 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 614 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:18,430 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [256 Valid, 813 Invalid, 716 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 614 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-01 16:50:18,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1810 states. [2022-03-01 16:50:18,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1810 to 1469. [2022-03-01 16:50:18,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1469 states, 1462 states have (on average 1.8707250341997264) internal successors, (2735), 1468 states have internal predecessors, (2735), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:18,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1469 states to 1469 states and 2735 transitions. [2022-03-01 16:50:18,445 INFO L78 Accepts]: Start accepts. Automaton has 1469 states and 2735 transitions. Word has length 113 [2022-03-01 16:50:18,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:18,445 INFO L470 AbstractCegarLoop]: Abstraction has 1469 states and 2735 transitions. [2022-03-01 16:50:18,445 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:18,445 INFO L276 IsEmpty]: Start isEmpty. Operand 1469 states and 2735 transitions. [2022-03-01 16:50:18,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-01 16:50:18,447 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:18,447 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:50:18,447 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2022-03-01 16:50:18,447 INFO L402 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:50:18,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:18,448 INFO L85 PathProgramCache]: Analyzing trace with hash 1016516973, now seen corresponding path program 21 times [2022-03-01 16:50:18,448 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:18,448 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060949165] [2022-03-01 16:50:18,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:18,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:18,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:19,465 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:50:19,466 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:19,466 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2060949165] [2022-03-01 16:50:19,466 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2060949165] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:19,466 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:19,466 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-03-01 16:50:19,466 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1050860786] [2022-03-01 16:50:19,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:19,467 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-03-01 16:50:19,467 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:19,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-03-01 16:50:19,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2022-03-01 16:50:19,467 INFO L87 Difference]: Start difference. First operand 1469 states and 2735 transitions. Second operand has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:20,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:20,229 INFO L93 Difference]: Finished difference Result 1809 states and 3365 transitions. [2022-03-01 16:50:20,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-01 16:50:20,230 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-03-01 16:50:20,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:20,232 INFO L225 Difference]: With dead ends: 1809 [2022-03-01 16:50:20,232 INFO L226 Difference]: Without dead ends: 1809 [2022-03-01 16:50:20,232 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=139, Invalid=323, Unknown=0, NotChecked=0, Total=462 [2022-03-01 16:50:20,232 INFO L933 BasicCegarLoop]: 187 mSDtfsCounter, 227 mSDsluCounter, 619 mSDsCounter, 0 mSdLazyCounter, 594 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 227 SdHoareTripleChecker+Valid, 803 SdHoareTripleChecker+Invalid, 687 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 594 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:20,232 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [227 Valid, 803 Invalid, 687 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 594 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-01 16:50:20,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1809 states. [2022-03-01 16:50:20,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1809 to 1443. [2022-03-01 16:50:20,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1443 states, 1436 states have (on average 1.8683844011142061) internal successors, (2683), 1442 states have internal predecessors, (2683), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:20,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1443 states to 1443 states and 2683 transitions. [2022-03-01 16:50:20,259 INFO L78 Accepts]: Start accepts. Automaton has 1443 states and 2683 transitions. Word has length 113 [2022-03-01 16:50:20,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:20,260 INFO L470 AbstractCegarLoop]: Abstraction has 1443 states and 2683 transitions. [2022-03-01 16:50:20,260 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:20,260 INFO L276 IsEmpty]: Start isEmpty. Operand 1443 states and 2683 transitions. [2022-03-01 16:50:20,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-01 16:50:20,262 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:20,262 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:50:20,262 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2022-03-01 16:50:20,262 INFO L402 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:50:20,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:20,263 INFO L85 PathProgramCache]: Analyzing trace with hash 1175537255, now seen corresponding path program 22 times [2022-03-01 16:50:20,263 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:20,263 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [39247260] [2022-03-01 16:50:20,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:20,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:20,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:21,207 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:50:21,207 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:21,207 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [39247260] [2022-03-01 16:50:21,208 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [39247260] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:21,208 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:21,208 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-03-01 16:50:21,208 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525402617] [2022-03-01 16:50:21,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:21,208 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-03-01 16:50:21,208 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:21,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-03-01 16:50:21,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2022-03-01 16:50:21,209 INFO L87 Difference]: Start difference. First operand 1443 states and 2683 transitions. Second operand has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:22,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:22,294 INFO L93 Difference]: Finished difference Result 2052 states and 3829 transitions. [2022-03-01 16:50:22,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-03-01 16:50:22,294 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-03-01 16:50:22,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:22,296 INFO L225 Difference]: With dead ends: 2052 [2022-03-01 16:50:22,296 INFO L226 Difference]: Without dead ends: 2052 [2022-03-01 16:50:22,296 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 139 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=197, Invalid=453, Unknown=0, NotChecked=0, Total=650 [2022-03-01 16:50:22,297 INFO L933 BasicCegarLoop]: 212 mSDtfsCounter, 236 mSDsluCounter, 677 mSDsCounter, 0 mSdLazyCounter, 717 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 236 SdHoareTripleChecker+Valid, 886 SdHoareTripleChecker+Invalid, 810 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 717 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:22,297 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [236 Valid, 886 Invalid, 810 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 717 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-03-01 16:50:22,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2052 states. [2022-03-01 16:50:22,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2052 to 1454. [2022-03-01 16:50:22,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1454 states, 1447 states have (on average 1.8693849343469247) internal successors, (2705), 1453 states have internal predecessors, (2705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:22,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1454 states to 1454 states and 2705 transitions. [2022-03-01 16:50:22,315 INFO L78 Accepts]: Start accepts. Automaton has 1454 states and 2705 transitions. Word has length 113 [2022-03-01 16:50:22,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:22,315 INFO L470 AbstractCegarLoop]: Abstraction has 1454 states and 2705 transitions. [2022-03-01 16:50:22,315 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:22,315 INFO L276 IsEmpty]: Start isEmpty. Operand 1454 states and 2705 transitions. [2022-03-01 16:50:22,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-01 16:50:22,317 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:22,317 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:50:22,317 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2022-03-01 16:50:22,317 INFO L402 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:50:22,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:22,318 INFO L85 PathProgramCache]: Analyzing trace with hash 1912509355, now seen corresponding path program 23 times [2022-03-01 16:50:22,318 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:22,318 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1734805942] [2022-03-01 16:50:22,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:22,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:22,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:23,353 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:50:23,353 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:23,353 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1734805942] [2022-03-01 16:50:23,353 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1734805942] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:23,353 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:23,353 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-03-01 16:50:23,353 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [171833331] [2022-03-01 16:50:23,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:23,354 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-03-01 16:50:23,354 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:23,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-03-01 16:50:23,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2022-03-01 16:50:23,354 INFO L87 Difference]: Start difference. First operand 1454 states and 2705 transitions. Second operand has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:24,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:24,413 INFO L93 Difference]: Finished difference Result 2031 states and 3796 transitions. [2022-03-01 16:50:24,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-03-01 16:50:24,414 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-03-01 16:50:24,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:24,416 INFO L225 Difference]: With dead ends: 2031 [2022-03-01 16:50:24,416 INFO L226 Difference]: Without dead ends: 2031 [2022-03-01 16:50:24,417 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 130 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=184, Invalid=416, Unknown=0, NotChecked=0, Total=600 [2022-03-01 16:50:24,417 INFO L933 BasicCegarLoop]: 203 mSDtfsCounter, 228 mSDsluCounter, 777 mSDsCounter, 0 mSdLazyCounter, 785 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 228 SdHoareTripleChecker+Valid, 977 SdHoareTripleChecker+Invalid, 879 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 785 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:24,417 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [228 Valid, 977 Invalid, 879 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 785 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-03-01 16:50:24,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2031 states. [2022-03-01 16:50:24,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2031 to 1444. [2022-03-01 16:50:24,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1444 states, 1437 states have (on average 1.8684759916492693) internal successors, (2685), 1443 states have internal predecessors, (2685), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:24,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1444 states to 1444 states and 2685 transitions. [2022-03-01 16:50:24,430 INFO L78 Accepts]: Start accepts. Automaton has 1444 states and 2685 transitions. Word has length 113 [2022-03-01 16:50:24,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:24,430 INFO L470 AbstractCegarLoop]: Abstraction has 1444 states and 2685 transitions. [2022-03-01 16:50:24,430 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:24,430 INFO L276 IsEmpty]: Start isEmpty. Operand 1444 states and 2685 transitions. [2022-03-01 16:50:24,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-01 16:50:24,434 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:24,434 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:50:24,434 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2022-03-01 16:50:24,434 INFO L402 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:50:24,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:24,435 INFO L85 PathProgramCache]: Analyzing trace with hash 1780511441, now seen corresponding path program 24 times [2022-03-01 16:50:24,435 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:24,435 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [19766297] [2022-03-01 16:50:24,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:24,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:24,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:25,235 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:50:25,236 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:25,236 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [19766297] [2022-03-01 16:50:25,236 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [19766297] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:25,236 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:25,236 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-03-01 16:50:25,236 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469133117] [2022-03-01 16:50:25,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:25,236 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-03-01 16:50:25,236 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:25,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-03-01 16:50:25,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2022-03-01 16:50:25,237 INFO L87 Difference]: Start difference. First operand 1444 states and 2685 transitions. Second operand has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:26,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:26,163 INFO L93 Difference]: Finished difference Result 1924 states and 3591 transitions. [2022-03-01 16:50:26,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-01 16:50:26,163 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-03-01 16:50:26,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:26,165 INFO L225 Difference]: With dead ends: 1924 [2022-03-01 16:50:26,165 INFO L226 Difference]: Without dead ends: 1924 [2022-03-01 16:50:26,166 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 117 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=177, Invalid=375, Unknown=0, NotChecked=0, Total=552 [2022-03-01 16:50:26,166 INFO L933 BasicCegarLoop]: 199 mSDtfsCounter, 242 mSDsluCounter, 539 mSDsCounter, 0 mSdLazyCounter, 594 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 242 SdHoareTripleChecker+Valid, 735 SdHoareTripleChecker+Invalid, 688 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 594 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:26,166 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [242 Valid, 735 Invalid, 688 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 594 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-01 16:50:26,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1924 states. [2022-03-01 16:50:26,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1924 to 1442. [2022-03-01 16:50:26,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1442 states, 1435 states have (on average 1.8682926829268294) internal successors, (2681), 1441 states have internal predecessors, (2681), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:26,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1442 states to 1442 states and 2681 transitions. [2022-03-01 16:50:26,184 INFO L78 Accepts]: Start accepts. Automaton has 1442 states and 2681 transitions. Word has length 113 [2022-03-01 16:50:26,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:26,184 INFO L470 AbstractCegarLoop]: Abstraction has 1442 states and 2681 transitions. [2022-03-01 16:50:26,185 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:26,185 INFO L276 IsEmpty]: Start isEmpty. Operand 1442 states and 2681 transitions. [2022-03-01 16:50:26,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-01 16:50:26,186 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:26,186 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:50:26,186 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2022-03-01 16:50:26,187 INFO L402 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:50:26,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:26,187 INFO L85 PathProgramCache]: Analyzing trace with hash -960869493, now seen corresponding path program 25 times [2022-03-01 16:50:26,187 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:26,187 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1844633698] [2022-03-01 16:50:26,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:26,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:26,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:26,961 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:50:26,961 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:26,961 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1844633698] [2022-03-01 16:50:26,961 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1844633698] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:26,961 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:26,961 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-03-01 16:50:26,962 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1763348026] [2022-03-01 16:50:26,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:26,962 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-03-01 16:50:26,962 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:26,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-03-01 16:50:26,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2022-03-01 16:50:26,962 INFO L87 Difference]: Start difference. First operand 1442 states and 2681 transitions. Second operand has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:27,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:27,681 INFO L93 Difference]: Finished difference Result 1696 states and 3150 transitions. [2022-03-01 16:50:27,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-01 16:50:27,682 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-03-01 16:50:27,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:27,684 INFO L225 Difference]: With dead ends: 1696 [2022-03-01 16:50:27,684 INFO L226 Difference]: Without dead ends: 1696 [2022-03-01 16:50:27,684 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-03-01 16:50:27,684 INFO L933 BasicCegarLoop]: 207 mSDtfsCounter, 245 mSDsluCounter, 627 mSDsCounter, 0 mSdLazyCounter, 571 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 245 SdHoareTripleChecker+Valid, 830 SdHoareTripleChecker+Invalid, 652 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 571 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:27,684 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [245 Valid, 830 Invalid, 652 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 571 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-01 16:50:27,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1696 states. [2022-03-01 16:50:27,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1696 to 1413. [2022-03-01 16:50:27,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1413 states, 1406 states have (on average 1.864864864864865) internal successors, (2622), 1412 states have internal predecessors, (2622), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:27,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1413 states to 1413 states and 2622 transitions. [2022-03-01 16:50:27,698 INFO L78 Accepts]: Start accepts. Automaton has 1413 states and 2622 transitions. Word has length 113 [2022-03-01 16:50:27,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:27,698 INFO L470 AbstractCegarLoop]: Abstraction has 1413 states and 2622 transitions. [2022-03-01 16:50:27,698 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:27,699 INFO L276 IsEmpty]: Start isEmpty. Operand 1413 states and 2622 transitions. [2022-03-01 16:50:27,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-01 16:50:27,700 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:27,700 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:50:27,700 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2022-03-01 16:50:27,700 INFO L402 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:50:27,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:27,700 INFO L85 PathProgramCache]: Analyzing trace with hash -622605481, now seen corresponding path program 7 times [2022-03-01 16:50:27,700 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:27,700 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1873908436] [2022-03-01 16:50:27,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:27,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:27,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:28,183 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:50:28,184 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:28,184 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1873908436] [2022-03-01 16:50:28,184 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1873908436] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:28,184 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:28,184 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-03-01 16:50:28,184 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [852573351] [2022-03-01 16:50:28,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:28,184 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-01 16:50:28,185 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:28,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-01 16:50:28,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2022-03-01 16:50:28,185 INFO L87 Difference]: Start difference. First operand 1413 states and 2622 transitions. Second operand has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:29,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:29,433 INFO L93 Difference]: Finished difference Result 2123 states and 3907 transitions. [2022-03-01 16:50:29,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-03-01 16:50:29,433 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-03-01 16:50:29,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:29,435 INFO L225 Difference]: With dead ends: 2123 [2022-03-01 16:50:29,436 INFO L226 Difference]: Without dead ends: 2123 [2022-03-01 16:50:29,436 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 421 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=404, Invalid=1402, Unknown=0, NotChecked=0, Total=1806 [2022-03-01 16:50:29,436 INFO L933 BasicCegarLoop]: 151 mSDtfsCounter, 881 mSDsluCounter, 1062 mSDsCounter, 0 mSdLazyCounter, 1118 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 881 SdHoareTripleChecker+Valid, 1209 SdHoareTripleChecker+Invalid, 1218 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 1118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:29,437 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [881 Valid, 1209 Invalid, 1218 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 1118 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-03-01 16:50:29,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2123 states. [2022-03-01 16:50:29,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2123 to 1414. [2022-03-01 16:50:29,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1414 states, 1407 states have (on average 1.8649609097370292) internal successors, (2624), 1413 states have internal predecessors, (2624), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:29,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1414 states to 1414 states and 2624 transitions. [2022-03-01 16:50:29,449 INFO L78 Accepts]: Start accepts. Automaton has 1414 states and 2624 transitions. Word has length 113 [2022-03-01 16:50:29,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:29,450 INFO L470 AbstractCegarLoop]: Abstraction has 1414 states and 2624 transitions. [2022-03-01 16:50:29,450 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:29,450 INFO L276 IsEmpty]: Start isEmpty. Operand 1414 states and 2624 transitions. [2022-03-01 16:50:29,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-01 16:50:29,451 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:29,451 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:50:29,451 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2022-03-01 16:50:29,451 INFO L402 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:50:29,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:29,452 INFO L85 PathProgramCache]: Analyzing trace with hash 1222546365, now seen corresponding path program 8 times [2022-03-01 16:50:29,452 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:29,452 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646321067] [2022-03-01 16:50:29,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:29,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:29,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:29,998 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:50:29,999 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:29,999 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [646321067] [2022-03-01 16:50:29,999 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [646321067] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:29,999 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:29,999 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-03-01 16:50:29,999 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1352690588] [2022-03-01 16:50:29,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:29,999 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-01 16:50:29,999 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:29,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-01 16:50:30,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=282, Unknown=0, NotChecked=0, Total=342 [2022-03-01 16:50:30,000 INFO L87 Difference]: Start difference. First operand 1414 states and 2624 transitions. Second operand has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:31,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:31,266 INFO L93 Difference]: Finished difference Result 1991 states and 3671 transitions. [2022-03-01 16:50:31,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-03-01 16:50:31,266 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-03-01 16:50:31,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:31,268 INFO L225 Difference]: With dead ends: 1991 [2022-03-01 16:50:31,268 INFO L226 Difference]: Without dead ends: 1991 [2022-03-01 16:50:31,268 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 416 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=357, Invalid=1365, Unknown=0, NotChecked=0, Total=1722 [2022-03-01 16:50:31,269 INFO L933 BasicCegarLoop]: 209 mSDtfsCounter, 634 mSDsluCounter, 1446 mSDsCounter, 0 mSdLazyCounter, 1193 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 634 SdHoareTripleChecker+Valid, 1650 SdHoareTripleChecker+Invalid, 1254 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 1193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:31,269 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [634 Valid, 1650 Invalid, 1254 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 1193 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-03-01 16:50:31,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1991 states. [2022-03-01 16:50:31,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1991 to 1415. [2022-03-01 16:50:31,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1415 states, 1408 states have (on average 1.8650568181818181) internal successors, (2626), 1414 states have internal predecessors, (2626), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:31,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1415 states to 1415 states and 2626 transitions. [2022-03-01 16:50:31,283 INFO L78 Accepts]: Start accepts. Automaton has 1415 states and 2626 transitions. Word has length 113 [2022-03-01 16:50:31,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:31,284 INFO L470 AbstractCegarLoop]: Abstraction has 1415 states and 2626 transitions. [2022-03-01 16:50:31,284 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:31,284 INFO L276 IsEmpty]: Start isEmpty. Operand 1415 states and 2626 transitions. [2022-03-01 16:50:31,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-01 16:50:31,285 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:31,285 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:50:31,285 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2022-03-01 16:50:31,285 INFO L402 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:50:31,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:31,285 INFO L85 PathProgramCache]: Analyzing trace with hash -264885827, now seen corresponding path program 9 times [2022-03-01 16:50:31,285 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:31,286 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1124585848] [2022-03-01 16:50:31,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:31,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:31,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:31,728 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:50:31,728 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:31,728 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1124585848] [2022-03-01 16:50:31,728 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1124585848] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:31,728 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:31,728 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:50:31,728 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225804990] [2022-03-01 16:50:31,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:31,728 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:50:31,728 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:31,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:50:31,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:50:31,729 INFO L87 Difference]: Start difference. First operand 1415 states and 2626 transitions. Second operand has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:32,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:32,267 INFO L93 Difference]: Finished difference Result 1802 states and 3310 transitions. [2022-03-01 16:50:32,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-01 16:50:32,267 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-03-01 16:50:32,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:32,269 INFO L225 Difference]: With dead ends: 1802 [2022-03-01 16:50:32,269 INFO L226 Difference]: Without dead ends: 1802 [2022-03-01 16:50:32,270 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=109, Invalid=197, Unknown=0, NotChecked=0, Total=306 [2022-03-01 16:50:32,270 INFO L933 BasicCegarLoop]: 131 mSDtfsCounter, 191 mSDsluCounter, 363 mSDsCounter, 0 mSdLazyCounter, 473 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 191 SdHoareTripleChecker+Valid, 492 SdHoareTripleChecker+Invalid, 502 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 473 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:32,270 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [191 Valid, 492 Invalid, 502 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 473 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-01 16:50:32,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1802 states. [2022-03-01 16:50:32,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1802 to 1416. [2022-03-01 16:50:32,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1416 states, 1409 states have (on average 1.865152590489709) internal successors, (2628), 1415 states have internal predecessors, (2628), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:32,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1416 states to 1416 states and 2628 transitions. [2022-03-01 16:50:32,285 INFO L78 Accepts]: Start accepts. Automaton has 1416 states and 2628 transitions. Word has length 113 [2022-03-01 16:50:32,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:32,285 INFO L470 AbstractCegarLoop]: Abstraction has 1416 states and 2628 transitions. [2022-03-01 16:50:32,285 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:32,285 INFO L276 IsEmpty]: Start isEmpty. Operand 1416 states and 2628 transitions. [2022-03-01 16:50:32,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-01 16:50:32,287 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:32,287 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:50:32,287 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2022-03-01 16:50:32,287 INFO L402 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:50:32,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:32,288 INFO L85 PathProgramCache]: Analyzing trace with hash 1865798207, now seen corresponding path program 10 times [2022-03-01 16:50:32,288 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:32,288 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [883754800] [2022-03-01 16:50:32,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:32,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:32,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:32,966 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:50:32,966 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:32,967 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [883754800] [2022-03-01 16:50:32,967 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [883754800] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:32,967 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:32,967 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-03-01 16:50:32,967 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1667485116] [2022-03-01 16:50:32,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:32,967 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-01 16:50:32,967 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:32,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-01 16:50:32,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=282, Unknown=0, NotChecked=0, Total=342 [2022-03-01 16:50:32,968 INFO L87 Difference]: Start difference. First operand 1416 states and 2628 transitions. Second operand has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:34,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:34,213 INFO L93 Difference]: Finished difference Result 1973 states and 3635 transitions. [2022-03-01 16:50:34,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-03-01 16:50:34,214 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-03-01 16:50:34,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:34,215 INFO L225 Difference]: With dead ends: 1973 [2022-03-01 16:50:34,215 INFO L226 Difference]: Without dead ends: 1973 [2022-03-01 16:50:34,216 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 413 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=360, Invalid=1362, Unknown=0, NotChecked=0, Total=1722 [2022-03-01 16:50:34,216 INFO L933 BasicCegarLoop]: 210 mSDtfsCounter, 683 mSDsluCounter, 1232 mSDsCounter, 0 mSdLazyCounter, 1129 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 683 SdHoareTripleChecker+Valid, 1438 SdHoareTripleChecker+Invalid, 1190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 1129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:34,216 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [683 Valid, 1438 Invalid, 1190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 1129 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-03-01 16:50:34,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1973 states. [2022-03-01 16:50:34,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1973 to 1411. [2022-03-01 16:50:34,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1411 states, 1404 states have (on average 1.8646723646723646) internal successors, (2618), 1410 states have internal predecessors, (2618), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:34,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1411 states to 1411 states and 2618 transitions. [2022-03-01 16:50:34,228 INFO L78 Accepts]: Start accepts. Automaton has 1411 states and 2618 transitions. Word has length 113 [2022-03-01 16:50:34,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:34,228 INFO L470 AbstractCegarLoop]: Abstraction has 1411 states and 2618 transitions. [2022-03-01 16:50:34,228 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:34,228 INFO L276 IsEmpty]: Start isEmpty. Operand 1411 states and 2618 transitions. [2022-03-01 16:50:34,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-01 16:50:34,229 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:34,229 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:50:34,230 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2022-03-01 16:50:34,230 INFO L402 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:50:34,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:34,230 INFO L85 PathProgramCache]: Analyzing trace with hash -1213434585, now seen corresponding path program 11 times [2022-03-01 16:50:34,230 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:34,230 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [416694856] [2022-03-01 16:50:34,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:34,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:34,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:34,670 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:50:34,670 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:34,670 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [416694856] [2022-03-01 16:50:34,670 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [416694856] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:34,670 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:34,670 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-03-01 16:50:34,670 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [371807279] [2022-03-01 16:50:34,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:34,670 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-01 16:50:34,671 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:34,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-01 16:50:34,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=283, Unknown=0, NotChecked=0, Total=342 [2022-03-01 16:50:34,671 INFO L87 Difference]: Start difference. First operand 1411 states and 2618 transitions. Second operand has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:35,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:35,519 INFO L93 Difference]: Finished difference Result 1667 states and 3081 transitions. [2022-03-01 16:50:35,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-01 16:50:35,519 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-03-01 16:50:35,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:35,521 INFO L225 Difference]: With dead ends: 1667 [2022-03-01 16:50:35,521 INFO L226 Difference]: Without dead ends: 1667 [2022-03-01 16:50:35,521 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 286 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=292, Invalid=1040, Unknown=0, NotChecked=0, Total=1332 [2022-03-01 16:50:35,522 INFO L933 BasicCegarLoop]: 184 mSDtfsCounter, 712 mSDsluCounter, 900 mSDsCounter, 0 mSdLazyCounter, 786 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 712 SdHoareTripleChecker+Valid, 1082 SdHoareTripleChecker+Invalid, 875 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 786 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:35,522 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [712 Valid, 1082 Invalid, 875 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 786 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-01 16:50:35,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1667 states. [2022-03-01 16:50:35,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1667 to 1405. [2022-03-01 16:50:35,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1405 states, 1398 states have (on average 1.8640915593705294) internal successors, (2606), 1404 states have internal predecessors, (2606), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:35,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1405 states to 1405 states and 2606 transitions. [2022-03-01 16:50:35,534 INFO L78 Accepts]: Start accepts. Automaton has 1405 states and 2606 transitions. Word has length 113 [2022-03-01 16:50:35,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:35,534 INFO L470 AbstractCegarLoop]: Abstraction has 1405 states and 2606 transitions. [2022-03-01 16:50:35,534 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:35,534 INFO L276 IsEmpty]: Start isEmpty. Operand 1405 states and 2606 transitions. [2022-03-01 16:50:35,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-01 16:50:35,536 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:35,536 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:50:35,536 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2022-03-01 16:50:35,536 INFO L402 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:50:35,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:35,536 INFO L85 PathProgramCache]: Analyzing trace with hash 631717261, now seen corresponding path program 12 times [2022-03-01 16:50:35,536 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:35,536 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [647095044] [2022-03-01 16:50:35,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:35,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:35,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:36,044 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:50:36,045 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:36,045 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [647095044] [2022-03-01 16:50:36,045 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [647095044] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:36,045 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:36,045 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-03-01 16:50:36,045 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [925313979] [2022-03-01 16:50:36,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:36,045 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-01 16:50:36,045 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:36,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-01 16:50:36,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=283, Unknown=0, NotChecked=0, Total=342 [2022-03-01 16:50:36,046 INFO L87 Difference]: Start difference. First operand 1405 states and 2606 transitions. Second operand has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:37,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:37,110 INFO L93 Difference]: Finished difference Result 1711 states and 3154 transitions. [2022-03-01 16:50:37,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-01 16:50:37,110 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-03-01 16:50:37,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:37,112 INFO L225 Difference]: With dead ends: 1711 [2022-03-01 16:50:37,112 INFO L226 Difference]: Without dead ends: 1711 [2022-03-01 16:50:37,112 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 374 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=361, Invalid=1279, Unknown=0, NotChecked=0, Total=1640 [2022-03-01 16:50:37,112 INFO L933 BasicCegarLoop]: 191 mSDtfsCounter, 665 mSDsluCounter, 1088 mSDsCounter, 0 mSdLazyCounter, 878 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 665 SdHoareTripleChecker+Valid, 1274 SdHoareTripleChecker+Invalid, 965 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 878 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:37,112 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [665 Valid, 1274 Invalid, 965 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 878 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-01 16:50:37,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1711 states. [2022-03-01 16:50:37,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1711 to 1406. [2022-03-01 16:50:37,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1406 states, 1399 states have (on average 1.8641887062187277) internal successors, (2608), 1405 states have internal predecessors, (2608), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:37,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1406 states to 1406 states and 2608 transitions. [2022-03-01 16:50:37,125 INFO L78 Accepts]: Start accepts. Automaton has 1406 states and 2608 transitions. Word has length 113 [2022-03-01 16:50:37,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:37,125 INFO L470 AbstractCegarLoop]: Abstraction has 1406 states and 2608 transitions. [2022-03-01 16:50:37,125 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:37,125 INFO L276 IsEmpty]: Start isEmpty. Operand 1406 states and 2608 transitions. [2022-03-01 16:50:37,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-01 16:50:37,126 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:37,127 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:50:37,127 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2022-03-01 16:50:37,127 INFO L402 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:50:37,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:37,127 INFO L85 PathProgramCache]: Analyzing trace with hash -855714931, now seen corresponding path program 13 times [2022-03-01 16:50:37,127 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:37,127 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [878256482] [2022-03-01 16:50:37,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:37,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:37,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:37,668 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:50:37,669 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:37,669 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [878256482] [2022-03-01 16:50:37,669 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [878256482] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:37,669 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:37,669 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-03-01 16:50:37,669 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [324830449] [2022-03-01 16:50:37,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:37,669 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-01 16:50:37,669 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:37,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-01 16:50:37,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=283, Unknown=0, NotChecked=0, Total=342 [2022-03-01 16:50:37,670 INFO L87 Difference]: Start difference. First operand 1406 states and 2608 transitions. Second operand has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:38,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:38,751 INFO L93 Difference]: Finished difference Result 1692 states and 3116 transitions. [2022-03-01 16:50:38,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-01 16:50:38,752 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-03-01 16:50:38,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:38,753 INFO L225 Difference]: With dead ends: 1692 [2022-03-01 16:50:38,753 INFO L226 Difference]: Without dead ends: 1692 [2022-03-01 16:50:38,754 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 377 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=361, Invalid=1279, Unknown=0, NotChecked=0, Total=1640 [2022-03-01 16:50:38,754 INFO L933 BasicCegarLoop]: 188 mSDtfsCounter, 620 mSDsluCounter, 1088 mSDsCounter, 0 mSdLazyCounter, 884 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 620 SdHoareTripleChecker+Valid, 1271 SdHoareTripleChecker+Invalid, 973 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 884 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:38,754 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [620 Valid, 1271 Invalid, 973 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 884 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-01 16:50:38,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1692 states. [2022-03-01 16:50:38,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1692 to 1407. [2022-03-01 16:50:38,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1407 states, 1400 states have (on average 1.8642857142857143) internal successors, (2610), 1406 states have internal predecessors, (2610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:38,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1407 states to 1407 states and 2610 transitions. [2022-03-01 16:50:38,765 INFO L78 Accepts]: Start accepts. Automaton has 1407 states and 2610 transitions. Word has length 113 [2022-03-01 16:50:38,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:38,765 INFO L470 AbstractCegarLoop]: Abstraction has 1407 states and 2610 transitions. [2022-03-01 16:50:38,765 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:38,765 INFO L276 IsEmpty]: Start isEmpty. Operand 1407 states and 2610 transitions. [2022-03-01 16:50:38,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-01 16:50:38,766 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:38,767 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:50:38,767 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2022-03-01 16:50:38,767 INFO L402 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:50:38,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:38,767 INFO L85 PathProgramCache]: Analyzing trace with hash 1274969103, now seen corresponding path program 14 times [2022-03-01 16:50:38,767 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:38,767 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1041114068] [2022-03-01 16:50:38,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:38,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:38,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:39,325 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:50:39,325 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:39,325 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1041114068] [2022-03-01 16:50:39,325 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1041114068] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:39,325 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:39,325 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-03-01 16:50:39,326 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [998775629] [2022-03-01 16:50:39,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:39,326 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-01 16:50:39,326 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:39,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-01 16:50:39,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=283, Unknown=0, NotChecked=0, Total=342 [2022-03-01 16:50:39,326 INFO L87 Difference]: Start difference. First operand 1407 states and 2610 transitions. Second operand has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:40,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:40,512 INFO L93 Difference]: Finished difference Result 1693 states and 3118 transitions. [2022-03-01 16:50:40,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-03-01 16:50:40,512 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-03-01 16:50:40,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:40,514 INFO L225 Difference]: With dead ends: 1693 [2022-03-01 16:50:40,514 INFO L226 Difference]: Without dead ends: 1693 [2022-03-01 16:50:40,514 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 399 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=382, Invalid=1340, Unknown=0, NotChecked=0, Total=1722 [2022-03-01 16:50:40,515 INFO L933 BasicCegarLoop]: 195 mSDtfsCounter, 642 mSDsluCounter, 1245 mSDsCounter, 0 mSdLazyCounter, 1017 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 642 SdHoareTripleChecker+Valid, 1435 SdHoareTripleChecker+Invalid, 1104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 1017 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:40,515 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [642 Valid, 1435 Invalid, 1104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 1017 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-01 16:50:40,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1693 states. [2022-03-01 16:50:40,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1693 to 1404. [2022-03-01 16:50:40,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1404 states, 1397 states have (on average 1.8639942734430923) internal successors, (2604), 1403 states have internal predecessors, (2604), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:40,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1404 states to 1404 states and 2604 transitions. [2022-03-01 16:50:40,526 INFO L78 Accepts]: Start accepts. Automaton has 1404 states and 2604 transitions. Word has length 113 [2022-03-01 16:50:40,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:40,526 INFO L470 AbstractCegarLoop]: Abstraction has 1404 states and 2604 transitions. [2022-03-01 16:50:40,526 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:40,526 INFO L276 IsEmpty]: Start isEmpty. Operand 1404 states and 2604 transitions. [2022-03-01 16:50:40,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-01 16:50:40,527 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:40,528 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:50:40,528 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2022-03-01 16:50:40,528 INFO L402 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:50:40,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:40,528 INFO L85 PathProgramCache]: Analyzing trace with hash 2053611957, now seen corresponding path program 15 times [2022-03-01 16:50:40,528 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:40,528 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253094254] [2022-03-01 16:50:40,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:40,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:40,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:40,972 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:50:40,972 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:40,972 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [253094254] [2022-03-01 16:50:40,972 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [253094254] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:40,972 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:40,972 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-03-01 16:50:40,972 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [585824773] [2022-03-01 16:50:40,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:40,972 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-01 16:50:40,972 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:40,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-01 16:50:40,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=285, Unknown=0, NotChecked=0, Total=342 [2022-03-01 16:50:40,973 INFO L87 Difference]: Start difference. First operand 1404 states and 2604 transitions. Second operand has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:41,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:41,944 INFO L93 Difference]: Finished difference Result 1648 states and 3043 transitions. [2022-03-01 16:50:41,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-03-01 16:50:41,945 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-03-01 16:50:41,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:41,946 INFO L225 Difference]: With dead ends: 1648 [2022-03-01 16:50:41,947 INFO L226 Difference]: Without dead ends: 1648 [2022-03-01 16:50:41,947 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 311 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=311, Invalid=1095, Unknown=0, NotChecked=0, Total=1406 [2022-03-01 16:50:41,947 INFO L933 BasicCegarLoop]: 198 mSDtfsCounter, 691 mSDsluCounter, 1245 mSDsCounter, 0 mSdLazyCounter, 1074 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 691 SdHoareTripleChecker+Valid, 1439 SdHoareTripleChecker+Invalid, 1152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 1074 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:41,947 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [691 Valid, 1439 Invalid, 1152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 1074 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-01 16:50:41,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1648 states. [2022-03-01 16:50:41,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1648 to 1405. [2022-03-01 16:50:41,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1405 states, 1398 states have (on average 1.8640915593705294) internal successors, (2606), 1404 states have internal predecessors, (2606), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:41,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1405 states to 1405 states and 2606 transitions. [2022-03-01 16:50:41,968 INFO L78 Accepts]: Start accepts. Automaton has 1405 states and 2606 transitions. Word has length 113 [2022-03-01 16:50:41,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:41,968 INFO L470 AbstractCegarLoop]: Abstraction has 1405 states and 2606 transitions. [2022-03-01 16:50:41,968 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:41,968 INFO L276 IsEmpty]: Start isEmpty. Operand 1405 states and 2606 transitions. [2022-03-01 16:50:41,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-01 16:50:41,970 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:41,970 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:50:41,970 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2022-03-01 16:50:41,970 INFO L402 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:50:41,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:41,971 INFO L85 PathProgramCache]: Analyzing trace with hash 566179765, now seen corresponding path program 16 times [2022-03-01 16:50:41,971 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:41,971 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [102736100] [2022-03-01 16:50:41,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:41,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:41,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:42,606 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:50:42,606 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:42,606 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [102736100] [2022-03-01 16:50:42,606 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [102736100] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:42,606 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:42,606 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-03-01 16:50:42,607 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [584010427] [2022-03-01 16:50:42,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:42,607 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-01 16:50:42,607 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:42,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-01 16:50:42,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=285, Unknown=0, NotChecked=0, Total=342 [2022-03-01 16:50:42,608 INFO L87 Difference]: Start difference. First operand 1405 states and 2606 transitions. Second operand has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:43,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:43,645 INFO L93 Difference]: Finished difference Result 1674 states and 3080 transitions. [2022-03-01 16:50:43,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-01 16:50:43,646 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-03-01 16:50:43,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:43,648 INFO L225 Difference]: With dead ends: 1674 [2022-03-01 16:50:43,648 INFO L226 Difference]: Without dead ends: 1674 [2022-03-01 16:50:43,648 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 383 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=359, Invalid=1281, Unknown=0, NotChecked=0, Total=1640 [2022-03-01 16:50:43,648 INFO L933 BasicCegarLoop]: 202 mSDtfsCounter, 663 mSDsluCounter, 940 mSDsCounter, 0 mSdLazyCounter, 782 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 663 SdHoareTripleChecker+Valid, 1137 SdHoareTripleChecker+Invalid, 869 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 782 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:43,648 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [663 Valid, 1137 Invalid, 869 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 782 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-01 16:50:43,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1674 states. [2022-03-01 16:50:43,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1674 to 1406. [2022-03-01 16:50:43,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1406 states, 1399 states have (on average 1.8641887062187277) internal successors, (2608), 1405 states have internal predecessors, (2608), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:43,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1406 states to 1406 states and 2608 transitions. [2022-03-01 16:50:43,660 INFO L78 Accepts]: Start accepts. Automaton has 1406 states and 2608 transitions. Word has length 113 [2022-03-01 16:50:43,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:43,660 INFO L470 AbstractCegarLoop]: Abstraction has 1406 states and 2608 transitions. [2022-03-01 16:50:43,660 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:43,660 INFO L276 IsEmpty]: Start isEmpty. Operand 1406 states and 2608 transitions. [2022-03-01 16:50:43,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-01 16:50:43,661 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:43,662 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:50:43,662 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2022-03-01 16:50:43,662 INFO L402 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:50:43,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:43,662 INFO L85 PathProgramCache]: Analyzing trace with hash -1598103497, now seen corresponding path program 17 times [2022-03-01 16:50:43,662 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:43,662 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1545656220] [2022-03-01 16:50:43,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:43,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:43,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:44,091 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:50:44,091 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:44,091 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1545656220] [2022-03-01 16:50:44,091 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1545656220] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:44,091 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:44,091 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:50:44,091 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [109843546] [2022-03-01 16:50:44,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:44,092 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:50:44,092 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:44,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:50:44,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:50:44,092 INFO L87 Difference]: Start difference. First operand 1406 states and 2608 transitions. Second operand has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:44,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:44,630 INFO L93 Difference]: Finished difference Result 1510 states and 2780 transitions. [2022-03-01 16:50:44,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-01 16:50:44,630 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-03-01 16:50:44,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:44,632 INFO L225 Difference]: With dead ends: 1510 [2022-03-01 16:50:44,632 INFO L226 Difference]: Without dead ends: 1510 [2022-03-01 16:50:44,632 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=102, Invalid=204, Unknown=0, NotChecked=0, Total=306 [2022-03-01 16:50:44,632 INFO L933 BasicCegarLoop]: 171 mSDtfsCounter, 132 mSDsluCounter, 576 mSDsCounter, 0 mSdLazyCounter, 564 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 745 SdHoareTripleChecker+Invalid, 597 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 564 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:44,633 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [132 Valid, 745 Invalid, 597 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 564 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-01 16:50:44,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1510 states. [2022-03-01 16:50:44,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1510 to 1404. [2022-03-01 16:50:44,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1404 states, 1397 states have (on average 1.8639942734430923) internal successors, (2604), 1403 states have internal predecessors, (2604), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:44,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1404 states to 1404 states and 2604 transitions. [2022-03-01 16:50:44,643 INFO L78 Accepts]: Start accepts. Automaton has 1404 states and 2604 transitions. Word has length 113 [2022-03-01 16:50:44,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:44,644 INFO L470 AbstractCegarLoop]: Abstraction has 1404 states and 2604 transitions. [2022-03-01 16:50:44,644 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:44,644 INFO L276 IsEmpty]: Start isEmpty. Operand 1404 states and 2604 transitions. [2022-03-01 16:50:44,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-01 16:50:44,645 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:44,645 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:50:44,645 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2022-03-01 16:50:44,645 INFO L402 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:50:44,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:44,646 INFO L85 PathProgramCache]: Analyzing trace with hash 1092675235, now seen corresponding path program 18 times [2022-03-01 16:50:44,646 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:44,646 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1723516842] [2022-03-01 16:50:44,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:44,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:44,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:45,122 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:50:45,122 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:45,123 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1723516842] [2022-03-01 16:50:45,123 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1723516842] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:45,123 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:45,123 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-03-01 16:50:45,123 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129813962] [2022-03-01 16:50:45,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:45,123 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-01 16:50:45,123 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:45,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-01 16:50:45,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=282, Unknown=0, NotChecked=0, Total=342 [2022-03-01 16:50:45,124 INFO L87 Difference]: Start difference. First operand 1404 states and 2604 transitions. Second operand has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:46,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:46,022 INFO L93 Difference]: Finished difference Result 1610 states and 2974 transitions. [2022-03-01 16:50:46,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-01 16:50:46,022 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-03-01 16:50:46,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:46,023 INFO L225 Difference]: With dead ends: 1610 [2022-03-01 16:50:46,023 INFO L226 Difference]: Without dead ends: 1610 [2022-03-01 16:50:46,024 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 293 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=301, Invalid=1031, Unknown=0, NotChecked=0, Total=1332 [2022-03-01 16:50:46,024 INFO L933 BasicCegarLoop]: 223 mSDtfsCounter, 694 mSDsluCounter, 1294 mSDsCounter, 0 mSdLazyCounter, 1023 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 694 SdHoareTripleChecker+Valid, 1513 SdHoareTripleChecker+Invalid, 1098 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 1023 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:46,024 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [694 Valid, 1513 Invalid, 1098 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 1023 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-01 16:50:46,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1610 states. [2022-03-01 16:50:46,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1610 to 1404. [2022-03-01 16:50:46,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1404 states, 1397 states have (on average 1.8639942734430923) internal successors, (2604), 1403 states have internal predecessors, (2604), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:46,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1404 states to 1404 states and 2604 transitions. [2022-03-01 16:50:46,034 INFO L78 Accepts]: Start accepts. Automaton has 1404 states and 2604 transitions. Word has length 113 [2022-03-01 16:50:46,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:46,035 INFO L470 AbstractCegarLoop]: Abstraction has 1404 states and 2604 transitions. [2022-03-01 16:50:46,035 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:46,035 INFO L276 IsEmpty]: Start isEmpty. Operand 1404 states and 2604 transitions. [2022-03-01 16:50:46,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-01 16:50:46,036 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:46,036 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:50:46,036 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2022-03-01 16:50:46,036 INFO L402 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:50:46,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:46,037 INFO L85 PathProgramCache]: Analyzing trace with hash 1108429891, now seen corresponding path program 19 times [2022-03-01 16:50:46,037 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:46,037 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010337308] [2022-03-01 16:50:46,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:46,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:46,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:46,470 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:50:46,470 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:46,470 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2010337308] [2022-03-01 16:50:46,470 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2010337308] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:46,470 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:46,470 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-03-01 16:50:46,470 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743813422] [2022-03-01 16:50:46,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:46,471 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-01 16:50:46,471 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:46,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-01 16:50:46,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=285, Unknown=0, NotChecked=0, Total=342 [2022-03-01 16:50:46,471 INFO L87 Difference]: Start difference. First operand 1404 states and 2604 transitions. Second operand has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:47,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:47,544 INFO L93 Difference]: Finished difference Result 1639 states and 3017 transitions. [2022-03-01 16:50:47,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-01 16:50:47,544 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-03-01 16:50:47,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:47,546 INFO L225 Difference]: With dead ends: 1639 [2022-03-01 16:50:47,546 INFO L226 Difference]: Without dead ends: 1639 [2022-03-01 16:50:47,546 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 382 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=363, Invalid=1277, Unknown=0, NotChecked=0, Total=1640 [2022-03-01 16:50:47,546 INFO L933 BasicCegarLoop]: 230 mSDtfsCounter, 767 mSDsluCounter, 1122 mSDsCounter, 0 mSdLazyCounter, 993 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 767 SdHoareTripleChecker+Valid, 1349 SdHoareTripleChecker+Invalid, 1076 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 993 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:47,547 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [767 Valid, 1349 Invalid, 1076 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 993 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-01 16:50:47,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1639 states. [2022-03-01 16:50:47,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1639 to 1405. [2022-03-01 16:50:47,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1405 states, 1398 states have (on average 1.8640915593705294) internal successors, (2606), 1404 states have internal predecessors, (2606), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:47,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1405 states to 1405 states and 2606 transitions. [2022-03-01 16:50:47,557 INFO L78 Accepts]: Start accepts. Automaton has 1405 states and 2606 transitions. Word has length 113 [2022-03-01 16:50:47,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:47,558 INFO L470 AbstractCegarLoop]: Abstraction has 1405 states and 2606 transitions. [2022-03-01 16:50:47,558 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:47,558 INFO L276 IsEmpty]: Start isEmpty. Operand 1405 states and 2606 transitions. [2022-03-01 16:50:47,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-01 16:50:47,559 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:47,559 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:50:47,559 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2022-03-01 16:50:47,559 INFO L402 AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:50:47,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:47,560 INFO L85 PathProgramCache]: Analyzing trace with hash -1055853371, now seen corresponding path program 20 times [2022-03-01 16:50:47,560 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:47,560 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1374634124] [2022-03-01 16:50:47,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:47,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:47,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:48,008 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:50:48,009 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:48,009 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1374634124] [2022-03-01 16:50:48,009 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1374634124] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:48,009 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:48,009 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-03-01 16:50:48,009 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2031659615] [2022-03-01 16:50:48,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:48,009 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-01 16:50:48,009 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:48,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-01 16:50:48,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2022-03-01 16:50:48,010 INFO L87 Difference]: Start difference. First operand 1405 states and 2606 transitions. Second operand has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:49,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:49,095 INFO L93 Difference]: Finished difference Result 1792 states and 3298 transitions. [2022-03-01 16:50:49,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-03-01 16:50:49,095 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-03-01 16:50:49,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:49,097 INFO L225 Difference]: With dead ends: 1792 [2022-03-01 16:50:49,097 INFO L226 Difference]: Without dead ends: 1792 [2022-03-01 16:50:49,097 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 359 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=329, Invalid=1231, Unknown=0, NotChecked=0, Total=1560 [2022-03-01 16:50:49,097 INFO L933 BasicCegarLoop]: 249 mSDtfsCounter, 684 mSDsluCounter, 1353 mSDsCounter, 0 mSdLazyCounter, 1030 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 684 SdHoareTripleChecker+Valid, 1596 SdHoareTripleChecker+Invalid, 1099 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 1030 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:49,097 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [684 Valid, 1596 Invalid, 1099 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 1030 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-01 16:50:49,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1792 states. [2022-03-01 16:50:49,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1792 to 1404. [2022-03-01 16:50:49,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1404 states, 1397 states have (on average 1.8639942734430923) internal successors, (2604), 1403 states have internal predecessors, (2604), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:49,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1404 states to 1404 states and 2604 transitions. [2022-03-01 16:50:49,109 INFO L78 Accepts]: Start accepts. Automaton has 1404 states and 2604 transitions. Word has length 113 [2022-03-01 16:50:49,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:49,109 INFO L470 AbstractCegarLoop]: Abstraction has 1404 states and 2604 transitions. [2022-03-01 16:50:49,109 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:49,109 INFO L276 IsEmpty]: Start isEmpty. Operand 1404 states and 2604 transitions. [2022-03-01 16:50:49,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-01 16:50:49,111 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:49,111 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:50:49,111 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2022-03-01 16:50:49,111 INFO L402 AbstractCegarLoop]: === Iteration 61 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:50:49,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:49,111 INFO L85 PathProgramCache]: Analyzing trace with hash 512524643, now seen corresponding path program 26 times [2022-03-01 16:50:49,111 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:49,111 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [859831897] [2022-03-01 16:50:49,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:49,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:49,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:49,422 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:50:49,422 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:49,423 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [859831897] [2022-03-01 16:50:49,423 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [859831897] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:49,423 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:49,423 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:50:49,423 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440135379] [2022-03-01 16:50:49,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:49,423 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:50:49,423 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:49,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:50:49,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:50:49,424 INFO L87 Difference]: Start difference. First operand 1404 states and 2604 transitions. Second operand has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:49,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:49,809 INFO L93 Difference]: Finished difference Result 1897 states and 3490 transitions. [2022-03-01 16:50:49,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-01 16:50:49,809 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-03-01 16:50:49,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:49,811 INFO L225 Difference]: With dead ends: 1897 [2022-03-01 16:50:49,811 INFO L226 Difference]: Without dead ends: 1897 [2022-03-01 16:50:49,811 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=81, Unknown=0, NotChecked=0, Total=132 [2022-03-01 16:50:49,811 INFO L933 BasicCegarLoop]: 144 mSDtfsCounter, 244 mSDsluCounter, 378 mSDsCounter, 0 mSdLazyCounter, 501 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 244 SdHoareTripleChecker+Valid, 521 SdHoareTripleChecker+Invalid, 552 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 501 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:49,812 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [244 Valid, 521 Invalid, 552 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 501 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-01 16:50:49,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1897 states. [2022-03-01 16:50:49,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1897 to 1461. [2022-03-01 16:50:49,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1461 states, 1454 states have (on average 1.8693259972489684) internal successors, (2718), 1460 states have internal predecessors, (2718), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:49,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1461 states to 1461 states and 2718 transitions. [2022-03-01 16:50:49,824 INFO L78 Accepts]: Start accepts. Automaton has 1461 states and 2718 transitions. Word has length 113 [2022-03-01 16:50:49,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:49,824 INFO L470 AbstractCegarLoop]: Abstraction has 1461 states and 2718 transitions. [2022-03-01 16:50:49,824 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:49,824 INFO L276 IsEmpty]: Start isEmpty. Operand 1461 states and 2718 transitions. [2022-03-01 16:50:49,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-01 16:50:49,825 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:49,825 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:50:49,825 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2022-03-01 16:50:49,826 INFO L402 AbstractCegarLoop]: === Iteration 62 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:50:49,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:49,826 INFO L85 PathProgramCache]: Analyzing trace with hash 1627243649, now seen corresponding path program 2 times [2022-03-01 16:50:49,826 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:49,826 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2017770846] [2022-03-01 16:50:49,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:49,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:49,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:50,122 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:50:50,122 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:50,122 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2017770846] [2022-03-01 16:50:50,122 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2017770846] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:50,122 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:50,122 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:50:50,123 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [580929465] [2022-03-01 16:50:50,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:50,123 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:50:50,123 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:50,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:50:50,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:50:50,123 INFO L87 Difference]: Start difference. First operand 1461 states and 2718 transitions. Second operand has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:50,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:50,520 INFO L93 Difference]: Finished difference Result 1908 states and 3511 transitions. [2022-03-01 16:50:50,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-01 16:50:50,520 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-03-01 16:50:50,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:50,522 INFO L225 Difference]: With dead ends: 1908 [2022-03-01 16:50:50,522 INFO L226 Difference]: Without dead ends: 1908 [2022-03-01 16:50:50,522 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2022-03-01 16:50:50,523 INFO L933 BasicCegarLoop]: 124 mSDtfsCounter, 197 mSDsluCounter, 386 mSDsCounter, 0 mSdLazyCounter, 629 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 197 SdHoareTripleChecker+Valid, 510 SdHoareTripleChecker+Invalid, 649 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 629 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:50,523 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [197 Valid, 510 Invalid, 649 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 629 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-01 16:50:50,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1908 states. [2022-03-01 16:50:50,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1908 to 1441. [2022-03-01 16:50:50,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1441 states, 1434 states have (on average 1.8682008368200838) internal successors, (2679), 1440 states have internal predecessors, (2679), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:50,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1441 states to 1441 states and 2679 transitions. [2022-03-01 16:50:50,535 INFO L78 Accepts]: Start accepts. Automaton has 1441 states and 2679 transitions. Word has length 113 [2022-03-01 16:50:50,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:50,535 INFO L470 AbstractCegarLoop]: Abstraction has 1441 states and 2679 transitions. [2022-03-01 16:50:50,536 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:50,536 INFO L276 IsEmpty]: Start isEmpty. Operand 1441 states and 2679 transitions. [2022-03-01 16:50:50,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-01 16:50:50,537 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:50,537 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:50:50,537 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2022-03-01 16:50:50,537 INFO L402 AbstractCegarLoop]: === Iteration 63 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:50:50,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:50,538 INFO L85 PathProgramCache]: Analyzing trace with hash -557415706, now seen corresponding path program 6 times [2022-03-01 16:50:50,538 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:50,538 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [867614976] [2022-03-01 16:50:50,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:50,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:50,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:51,272 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:50:51,273 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:51,273 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [867614976] [2022-03-01 16:50:51,273 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [867614976] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:51,273 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:51,273 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-03-01 16:50:51,273 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [871338446] [2022-03-01 16:50:51,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:51,273 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-03-01 16:50:51,273 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:51,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-03-01 16:50:51,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=74, Unknown=0, NotChecked=0, Total=132 [2022-03-01 16:50:51,274 INFO L87 Difference]: Start difference. First operand 1441 states and 2679 transitions. Second operand has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:51,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:51,845 INFO L93 Difference]: Finished difference Result 2085 states and 3845 transitions. [2022-03-01 16:50:51,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-01 16:50:51,845 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-03-01 16:50:51,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:51,847 INFO L225 Difference]: With dead ends: 2085 [2022-03-01 16:50:51,847 INFO L226 Difference]: Without dead ends: 2085 [2022-03-01 16:50:51,847 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=77, Invalid=105, Unknown=0, NotChecked=0, Total=182 [2022-03-01 16:50:51,847 INFO L933 BasicCegarLoop]: 157 mSDtfsCounter, 294 mSDsluCounter, 489 mSDsCounter, 0 mSdLazyCounter, 678 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 294 SdHoareTripleChecker+Valid, 646 SdHoareTripleChecker+Invalid, 745 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 678 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:51,848 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [294 Valid, 646 Invalid, 745 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 678 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-01 16:50:51,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2085 states. [2022-03-01 16:50:51,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2085 to 1476. [2022-03-01 16:50:51,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1476 states, 1469 states have (on average 1.8713410483321988) internal successors, (2749), 1475 states have internal predecessors, (2749), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:51,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1476 states to 1476 states and 2749 transitions. [2022-03-01 16:50:51,861 INFO L78 Accepts]: Start accepts. Automaton has 1476 states and 2749 transitions. Word has length 113 [2022-03-01 16:50:51,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:51,861 INFO L470 AbstractCegarLoop]: Abstraction has 1476 states and 2749 transitions. [2022-03-01 16:50:51,861 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:51,861 INFO L276 IsEmpty]: Start isEmpty. Operand 1476 states and 2749 transitions. [2022-03-01 16:50:51,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-01 16:50:51,862 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:51,863 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:50:51,863 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2022-03-01 16:50:51,863 INFO L402 AbstractCegarLoop]: === Iteration 64 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:50:51,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:51,863 INFO L85 PathProgramCache]: Analyzing trace with hash -1692232760, now seen corresponding path program 7 times [2022-03-01 16:50:51,863 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:51,863 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [387896301] [2022-03-01 16:50:51,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:51,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:51,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:52,595 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:50:52,595 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:52,595 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [387896301] [2022-03-01 16:50:52,595 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [387896301] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:52,595 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:52,595 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-03-01 16:50:52,595 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682174461] [2022-03-01 16:50:52,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:52,596 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-03-01 16:50:52,596 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:52,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-03-01 16:50:52,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2022-03-01 16:50:52,596 INFO L87 Difference]: Start difference. First operand 1476 states and 2749 transitions. Second operand has 11 states, 10 states have (on average 6.8) internal successors, (68), 11 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:53,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:53,080 INFO L93 Difference]: Finished difference Result 2073 states and 3821 transitions. [2022-03-01 16:50:53,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-01 16:50:53,080 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.8) internal successors, (68), 11 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-03-01 16:50:53,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:53,082 INFO L225 Difference]: With dead ends: 2073 [2022-03-01 16:50:53,082 INFO L226 Difference]: Without dead ends: 2073 [2022-03-01 16:50:53,083 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=64, Invalid=92, Unknown=0, NotChecked=0, Total=156 [2022-03-01 16:50:53,083 INFO L933 BasicCegarLoop]: 145 mSDtfsCounter, 263 mSDsluCounter, 443 mSDsCounter, 0 mSdLazyCounter, 556 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 263 SdHoareTripleChecker+Valid, 588 SdHoareTripleChecker+Invalid, 626 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 556 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:53,083 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [263 Valid, 588 Invalid, 626 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 556 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-01 16:50:53,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2073 states. [2022-03-01 16:50:53,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2073 to 1480. [2022-03-01 16:50:53,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1480 states, 1473 states have (on average 1.8716904276985744) internal successors, (2757), 1479 states have internal predecessors, (2757), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:53,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1480 states to 1480 states and 2757 transitions. [2022-03-01 16:50:53,098 INFO L78 Accepts]: Start accepts. Automaton has 1480 states and 2757 transitions. Word has length 113 [2022-03-01 16:50:53,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:53,098 INFO L470 AbstractCegarLoop]: Abstraction has 1480 states and 2757 transitions. [2022-03-01 16:50:53,098 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.8) internal successors, (68), 11 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:53,098 INFO L276 IsEmpty]: Start isEmpty. Operand 1480 states and 2757 transitions. [2022-03-01 16:50:53,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-01 16:50:53,099 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:53,100 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:50:53,100 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63 [2022-03-01 16:50:53,100 INFO L402 AbstractCegarLoop]: === Iteration 65 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:50:53,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:53,100 INFO L85 PathProgramCache]: Analyzing trace with hash 390081924, now seen corresponding path program 8 times [2022-03-01 16:50:53,100 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:53,100 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1453973901] [2022-03-01 16:50:53,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:53,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:53,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:53,873 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:50:53,873 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:53,873 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1453973901] [2022-03-01 16:50:53,873 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1453973901] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:53,873 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:53,873 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-03-01 16:50:53,873 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1491329953] [2022-03-01 16:50:53,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:53,874 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-03-01 16:50:53,874 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:53,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-03-01 16:50:53,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=77, Unknown=0, NotChecked=0, Total=132 [2022-03-01 16:50:53,874 INFO L87 Difference]: Start difference. First operand 1480 states and 2757 transitions. Second operand has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:54,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:54,463 INFO L93 Difference]: Finished difference Result 2154 states and 3983 transitions. [2022-03-01 16:50:54,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-01 16:50:54,463 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-03-01 16:50:54,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:54,465 INFO L225 Difference]: With dead ends: 2154 [2022-03-01 16:50:54,465 INFO L226 Difference]: Without dead ends: 2154 [2022-03-01 16:50:54,465 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=99, Invalid=141, Unknown=0, NotChecked=0, Total=240 [2022-03-01 16:50:54,466 INFO L933 BasicCegarLoop]: 137 mSDtfsCounter, 284 mSDsluCounter, 392 mSDsCounter, 0 mSdLazyCounter, 634 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 284 SdHoareTripleChecker+Valid, 529 SdHoareTripleChecker+Invalid, 712 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 634 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:54,466 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [284 Valid, 529 Invalid, 712 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 634 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-01 16:50:54,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2154 states. [2022-03-01 16:50:54,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2154 to 1493. [2022-03-01 16:50:54,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1493 states, 1486 states have (on average 1.8728129205921937) internal successors, (2783), 1492 states have internal predecessors, (2783), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:54,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1493 states to 1493 states and 2783 transitions. [2022-03-01 16:50:54,479 INFO L78 Accepts]: Start accepts. Automaton has 1493 states and 2783 transitions. Word has length 113 [2022-03-01 16:50:54,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:54,480 INFO L470 AbstractCegarLoop]: Abstraction has 1493 states and 2783 transitions. [2022-03-01 16:50:54,480 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:54,480 INFO L276 IsEmpty]: Start isEmpty. Operand 1493 states and 2783 transitions. [2022-03-01 16:50:54,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-01 16:50:54,481 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:54,481 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:50:54,481 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64 [2022-03-01 16:50:54,481 INFO L402 AbstractCegarLoop]: === Iteration 66 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:50:54,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:54,482 INFO L85 PathProgramCache]: Analyzing trace with hash 282069162, now seen corresponding path program 9 times [2022-03-01 16:50:54,482 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:54,482 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [469811002] [2022-03-01 16:50:54,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:54,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:54,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:55,100 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:50:55,100 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:55,100 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [469811002] [2022-03-01 16:50:55,100 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [469811002] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:55,100 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:55,100 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-03-01 16:50:55,100 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1643989651] [2022-03-01 16:50:55,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:55,101 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-03-01 16:50:55,101 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:55,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-03-01 16:50:55,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=77, Unknown=0, NotChecked=0, Total=132 [2022-03-01 16:50:55,101 INFO L87 Difference]: Start difference. First operand 1493 states and 2783 transitions. Second operand has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:55,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:55,685 INFO L93 Difference]: Finished difference Result 2221 states and 4117 transitions. [2022-03-01 16:50:55,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-01 16:50:55,686 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-03-01 16:50:55,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:55,688 INFO L225 Difference]: With dead ends: 2221 [2022-03-01 16:50:55,688 INFO L226 Difference]: Without dead ends: 2221 [2022-03-01 16:50:55,688 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=96, Invalid=144, Unknown=0, NotChecked=0, Total=240 [2022-03-01 16:50:55,688 INFO L933 BasicCegarLoop]: 127 mSDtfsCounter, 259 mSDsluCounter, 493 mSDsCounter, 0 mSdLazyCounter, 701 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 259 SdHoareTripleChecker+Valid, 620 SdHoareTripleChecker+Invalid, 777 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 701 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:55,689 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [259 Valid, 620 Invalid, 777 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 701 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-01 16:50:55,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2221 states. [2022-03-01 16:50:55,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2221 to 1519. [2022-03-01 16:50:55,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1519 states, 1512 states have (on average 1.875) internal successors, (2835), 1518 states have internal predecessors, (2835), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:55,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1519 states to 1519 states and 2835 transitions. [2022-03-01 16:50:55,702 INFO L78 Accepts]: Start accepts. Automaton has 1519 states and 2835 transitions. Word has length 113 [2022-03-01 16:50:55,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:55,702 INFO L470 AbstractCegarLoop]: Abstraction has 1519 states and 2835 transitions. [2022-03-01 16:50:55,702 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:55,702 INFO L276 IsEmpty]: Start isEmpty. Operand 1519 states and 2835 transitions. [2022-03-01 16:50:55,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-01 16:50:55,703 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:55,703 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:50:55,704 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65 [2022-03-01 16:50:55,704 INFO L402 AbstractCegarLoop]: === Iteration 67 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:50:55,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:55,704 INFO L85 PathProgramCache]: Analyzing trace with hash -1769406174, now seen corresponding path program 10 times [2022-03-01 16:50:55,704 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:55,704 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190684753] [2022-03-01 16:50:55,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:55,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:55,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:56,091 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:50:56,091 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:56,092 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [190684753] [2022-03-01 16:50:56,092 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [190684753] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:56,092 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:56,092 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-03-01 16:50:56,092 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1668963745] [2022-03-01 16:50:56,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:56,092 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-03-01 16:50:56,092 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:56,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-03-01 16:50:56,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2022-03-01 16:50:56,093 INFO L87 Difference]: Start difference. First operand 1519 states and 2835 transitions. Second operand has 11 states, 10 states have (on average 6.8) internal successors, (68), 11 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:56,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:56,566 INFO L93 Difference]: Finished difference Result 2034 states and 3759 transitions. [2022-03-01 16:50:56,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-01 16:50:56,566 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.8) internal successors, (68), 11 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-03-01 16:50:56,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:56,568 INFO L225 Difference]: With dead ends: 2034 [2022-03-01 16:50:56,568 INFO L226 Difference]: Without dead ends: 2034 [2022-03-01 16:50:56,569 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=80, Unknown=0, NotChecked=0, Total=132 [2022-03-01 16:50:56,569 INFO L933 BasicCegarLoop]: 125 mSDtfsCounter, 221 mSDsluCounter, 362 mSDsCounter, 0 mSdLazyCounter, 558 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 221 SdHoareTripleChecker+Valid, 487 SdHoareTripleChecker+Invalid, 610 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 558 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:56,569 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [221 Valid, 487 Invalid, 610 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 558 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-01 16:50:56,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2034 states. [2022-03-01 16:50:56,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2034 to 1523. [2022-03-01 16:50:56,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1523 states, 1516 states have (on average 1.8753298153034301) internal successors, (2843), 1522 states have internal predecessors, (2843), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:56,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1523 states to 1523 states and 2843 transitions. [2022-03-01 16:50:56,585 INFO L78 Accepts]: Start accepts. Automaton has 1523 states and 2843 transitions. Word has length 113 [2022-03-01 16:50:56,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:56,585 INFO L470 AbstractCegarLoop]: Abstraction has 1523 states and 2843 transitions. [2022-03-01 16:50:56,585 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.8) internal successors, (68), 11 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:56,585 INFO L276 IsEmpty]: Start isEmpty. Operand 1523 states and 2843 transitions. [2022-03-01 16:50:56,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-01 16:50:56,587 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:56,587 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:50:56,587 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66 [2022-03-01 16:50:56,587 INFO L402 AbstractCegarLoop]: === Iteration 68 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:50:56,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:56,588 INFO L85 PathProgramCache]: Analyzing trace with hash -59279533, now seen corresponding path program 21 times [2022-03-01 16:50:56,588 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:56,588 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [53150880] [2022-03-01 16:50:56,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:56,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:56,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:56,713 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:50:56,713 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:56,713 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [53150880] [2022-03-01 16:50:56,714 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [53150880] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:56,714 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:56,714 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:50:56,714 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2123577019] [2022-03-01 16:50:56,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:56,714 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:50:56,714 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:56,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:50:56,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:50:56,715 INFO L87 Difference]: Start difference. First operand 1523 states and 2843 transitions. Second operand has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:57,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:57,319 INFO L93 Difference]: Finished difference Result 2022 states and 3738 transitions. [2022-03-01 16:50:57,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-01 16:50:57,320 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-03-01 16:50:57,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:57,322 INFO L225 Difference]: With dead ends: 2022 [2022-03-01 16:50:57,322 INFO L226 Difference]: Without dead ends: 2022 [2022-03-01 16:50:57,322 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=162, Invalid=300, Unknown=0, NotChecked=0, Total=462 [2022-03-01 16:50:57,323 INFO L933 BasicCegarLoop]: 197 mSDtfsCounter, 288 mSDsluCounter, 494 mSDsCounter, 0 mSdLazyCounter, 711 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 288 SdHoareTripleChecker+Valid, 689 SdHoareTripleChecker+Invalid, 745 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 711 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:57,323 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [288 Valid, 689 Invalid, 745 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 711 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-01 16:50:57,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2022 states. [2022-03-01 16:50:57,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2022 to 1521. [2022-03-01 16:50:57,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1521 states, 1514 states have (on average 1.8751651254953765) internal successors, (2839), 1520 states have internal predecessors, (2839), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:57,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1521 states to 1521 states and 2839 transitions. [2022-03-01 16:50:57,344 INFO L78 Accepts]: Start accepts. Automaton has 1521 states and 2839 transitions. Word has length 113 [2022-03-01 16:50:57,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:57,345 INFO L470 AbstractCegarLoop]: Abstraction has 1521 states and 2839 transitions. [2022-03-01 16:50:57,345 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:57,345 INFO L276 IsEmpty]: Start isEmpty. Operand 1521 states and 2839 transitions. [2022-03-01 16:50:57,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-01 16:50:57,346 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:57,346 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:50:57,347 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67 [2022-03-01 16:50:57,347 INFO L402 AbstractCegarLoop]: === Iteration 69 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:50:57,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:57,347 INFO L85 PathProgramCache]: Analyzing trace with hash -143889073, now seen corresponding path program 22 times [2022-03-01 16:50:57,347 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:57,347 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [265087833] [2022-03-01 16:50:57,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:57,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:57,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:57,708 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:50:57,708 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:57,708 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [265087833] [2022-03-01 16:50:57,708 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [265087833] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:57,708 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:57,708 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:50:57,708 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [286397071] [2022-03-01 16:50:57,708 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:57,709 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:50:57,709 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:57,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:50:57,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:50:57,709 INFO L87 Difference]: Start difference. First operand 1521 states and 2839 transitions. Second operand has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:58,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:58,184 INFO L93 Difference]: Finished difference Result 2036 states and 3759 transitions. [2022-03-01 16:50:58,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-01 16:50:58,184 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-03-01 16:50:58,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:58,186 INFO L225 Difference]: With dead ends: 2036 [2022-03-01 16:50:58,186 INFO L226 Difference]: Without dead ends: 2036 [2022-03-01 16:50:58,186 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2022-03-01 16:50:58,187 INFO L933 BasicCegarLoop]: 136 mSDtfsCounter, 210 mSDsluCounter, 408 mSDsCounter, 0 mSdLazyCounter, 723 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 210 SdHoareTripleChecker+Valid, 543 SdHoareTripleChecker+Invalid, 742 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 723 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:58,187 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [210 Valid, 543 Invalid, 742 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 723 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-01 16:50:58,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2036 states. [2022-03-01 16:50:58,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2036 to 1314. [2022-03-01 16:50:58,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1314 states, 1307 states have (on average 1.856159143075746) internal successors, (2426), 1313 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) [2022-03-01 16:50:58,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1314 states to 1314 states and 2426 transitions. [2022-03-01 16:50:58,215 INFO L78 Accepts]: Start accepts. Automaton has 1314 states and 2426 transitions. Word has length 113 [2022-03-01 16:50:58,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:58,215 INFO L470 AbstractCegarLoop]: Abstraction has 1314 states and 2426 transitions. [2022-03-01 16:50:58,215 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:58,216 INFO L276 IsEmpty]: Start isEmpty. Operand 1314 states and 2426 transitions. [2022-03-01 16:50:58,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-01 16:50:58,217 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:58,217 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:50:58,217 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68 [2022-03-01 16:50:58,217 INFO L402 AbstractCegarLoop]: === Iteration 70 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:50:58,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:58,217 INFO L85 PathProgramCache]: Analyzing trace with hash -572567800, now seen corresponding path program 11 times [2022-03-01 16:50:58,218 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:58,218 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [349251744] [2022-03-01 16:50:58,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:58,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:58,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:59,022 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:50:59,023 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:59,023 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [349251744] [2022-03-01 16:50:59,023 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [349251744] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:59,023 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:59,023 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-03-01 16:50:59,023 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418593719] [2022-03-01 16:50:59,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:59,023 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-03-01 16:50:59,023 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:59,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-03-01 16:50:59,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=75, Unknown=0, NotChecked=0, Total=132 [2022-03-01 16:50:59,024 INFO L87 Difference]: Start difference. First operand 1314 states and 2426 transitions. Second operand has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:59,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:59,625 INFO L93 Difference]: Finished difference Result 1672 states and 3087 transitions. [2022-03-01 16:50:59,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-01 16:50:59,626 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-03-01 16:50:59,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:59,627 INFO L225 Difference]: With dead ends: 1672 [2022-03-01 16:50:59,627 INFO L226 Difference]: Without dead ends: 1672 [2022-03-01 16:50:59,628 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=89, Invalid=121, Unknown=0, NotChecked=0, Total=210 [2022-03-01 16:50:59,628 INFO L933 BasicCegarLoop]: 150 mSDtfsCounter, 261 mSDsluCounter, 467 mSDsCounter, 0 mSdLazyCounter, 618 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 261 SdHoareTripleChecker+Valid, 617 SdHoareTripleChecker+Invalid, 709 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 618 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:59,628 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [261 Valid, 617 Invalid, 709 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 618 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-01 16:50:59,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1672 states. [2022-03-01 16:50:59,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1672 to 1328. [2022-03-01 16:50:59,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1328 states, 1321 states have (on average 1.857683573050719) internal successors, (2454), 1327 states have internal predecessors, (2454), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:59,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1328 states to 1328 states and 2454 transitions. [2022-03-01 16:50:59,639 INFO L78 Accepts]: Start accepts. Automaton has 1328 states and 2454 transitions. Word has length 113 [2022-03-01 16:50:59,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:59,639 INFO L470 AbstractCegarLoop]: Abstraction has 1328 states and 2454 transitions. [2022-03-01 16:50:59,639 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:59,639 INFO L276 IsEmpty]: Start isEmpty. Operand 1328 states and 2454 transitions. [2022-03-01 16:50:59,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-01 16:50:59,640 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:59,640 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:50:59,640 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable69 [2022-03-01 16:50:59,640 INFO L402 AbstractCegarLoop]: === Iteration 71 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:50:59,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:59,641 INFO L85 PathProgramCache]: Analyzing trace with hash -1707384854, now seen corresponding path program 12 times [2022-03-01 16:50:59,641 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:59,641 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1457394934] [2022-03-01 16:50:59,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:59,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:59,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:51:00,351 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:51:00,352 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:51:00,352 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1457394934] [2022-03-01 16:51:00,352 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1457394934] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:51:00,352 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:51:00,352 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-03-01 16:51:00,352 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001072280] [2022-03-01 16:51:00,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:51:00,352 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-03-01 16:51:00,352 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:51:00,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-03-01 16:51:00,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=64, Unknown=0, NotChecked=0, Total=110 [2022-03-01 16:51:00,353 INFO L87 Difference]: Start difference. First operand 1328 states and 2454 transitions. Second operand has 11 states, 10 states have (on average 6.8) internal successors, (68), 11 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:00,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:51:00,929 INFO L93 Difference]: Finished difference Result 1666 states and 3075 transitions. [2022-03-01 16:51:00,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-01 16:51:00,929 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.8) internal successors, (68), 11 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-03-01 16:51:00,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:51:00,931 INFO L225 Difference]: With dead ends: 1666 [2022-03-01 16:51:00,931 INFO L226 Difference]: Without dead ends: 1666 [2022-03-01 16:51:00,931 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=75, Invalid=107, Unknown=0, NotChecked=0, Total=182 [2022-03-01 16:51:00,938 INFO L933 BasicCegarLoop]: 138 mSDtfsCounter, 243 mSDsluCounter, 429 mSDsCounter, 0 mSdLazyCounter, 609 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 243 SdHoareTripleChecker+Valid, 567 SdHoareTripleChecker+Invalid, 692 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 609 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:51:00,938 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [243 Valid, 567 Invalid, 692 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 609 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-01 16:51:00,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1666 states. [2022-03-01 16:51:00,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1666 to 1321. [2022-03-01 16:51:00,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1321 states, 1314 states have (on average 1.856925418569254) internal successors, (2440), 1320 states have internal predecessors, (2440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:00,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1321 states to 1321 states and 2440 transitions. [2022-03-01 16:51:00,951 INFO L78 Accepts]: Start accepts. Automaton has 1321 states and 2440 transitions. Word has length 113 [2022-03-01 16:51:00,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:51:00,951 INFO L470 AbstractCegarLoop]: Abstraction has 1321 states and 2440 transitions. [2022-03-01 16:51:00,951 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.8) internal successors, (68), 11 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:00,951 INFO L276 IsEmpty]: Start isEmpty. Operand 1321 states and 2440 transitions. [2022-03-01 16:51:00,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-01 16:51:00,952 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:51:00,952 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:51:00,952 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70 [2022-03-01 16:51:00,952 INFO L402 AbstractCegarLoop]: === Iteration 72 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:51:00,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:51:00,953 INFO L85 PathProgramCache]: Analyzing trace with hash 374929830, now seen corresponding path program 13 times [2022-03-01 16:51:00,953 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:51:00,953 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1502980175] [2022-03-01 16:51:00,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:51:00,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:51:00,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:51:01,758 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:51:01,758 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:51:01,758 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1502980175] [2022-03-01 16:51:01,758 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1502980175] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:51:01,758 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:51:01,759 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-03-01 16:51:01,759 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [723750681] [2022-03-01 16:51:01,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:51:01,759 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-03-01 16:51:01,759 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:51:01,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-03-01 16:51:01,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=78, Unknown=0, NotChecked=0, Total=132 [2022-03-01 16:51:01,759 INFO L87 Difference]: Start difference. First operand 1321 states and 2440 transitions. Second operand has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:02,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:51:02,439 INFO L93 Difference]: Finished difference Result 1735 states and 3213 transitions. [2022-03-01 16:51:02,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-01 16:51:02,443 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-03-01 16:51:02,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:51:02,445 INFO L225 Difference]: With dead ends: 1735 [2022-03-01 16:51:02,445 INFO L226 Difference]: Without dead ends: 1735 [2022-03-01 16:51:02,445 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=113, Invalid=159, Unknown=0, NotChecked=0, Total=272 [2022-03-01 16:51:02,446 INFO L933 BasicCegarLoop]: 130 mSDtfsCounter, 220 mSDsluCounter, 523 mSDsCounter, 0 mSdLazyCounter, 705 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 220 SdHoareTripleChecker+Valid, 653 SdHoareTripleChecker+Invalid, 781 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 705 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-03-01 16:51:02,446 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [220 Valid, 653 Invalid, 781 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 705 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-01 16:51:02,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1735 states. [2022-03-01 16:51:02,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1735 to 1314. [2022-03-01 16:51:02,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1314 states, 1307 states have (on average 1.856159143075746) internal successors, (2426), 1313 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) [2022-03-01 16:51:02,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1314 states to 1314 states and 2426 transitions. [2022-03-01 16:51:02,457 INFO L78 Accepts]: Start accepts. Automaton has 1314 states and 2426 transitions. Word has length 113 [2022-03-01 16:51:02,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:51:02,458 INFO L470 AbstractCegarLoop]: Abstraction has 1314 states and 2426 transitions. [2022-03-01 16:51:02,458 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:02,458 INFO L276 IsEmpty]: Start isEmpty. Operand 1314 states and 2426 transitions. [2022-03-01 16:51:02,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-01 16:51:02,459 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:51:02,459 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:51:02,459 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71 [2022-03-01 16:51:02,459 INFO L402 AbstractCegarLoop]: === Iteration 73 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:51:02,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:51:02,459 INFO L85 PathProgramCache]: Analyzing trace with hash 266917068, now seen corresponding path program 14 times [2022-03-01 16:51:02,460 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:51:02,460 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [725189902] [2022-03-01 16:51:02,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:51:02,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:51:02,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:51:03,124 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:51:03,124 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:51:03,124 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [725189902] [2022-03-01 16:51:03,124 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [725189902] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:51:03,124 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:51:03,124 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-03-01 16:51:03,124 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [886817300] [2022-03-01 16:51:03,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:51:03,125 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-03-01 16:51:03,125 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:51:03,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-03-01 16:51:03,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=74, Unknown=0, NotChecked=0, Total=132 [2022-03-01 16:51:03,125 INFO L87 Difference]: Start difference. First operand 1314 states and 2426 transitions. Second operand has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:03,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:51:03,525 INFO L93 Difference]: Finished difference Result 1612 states and 2982 transitions. [2022-03-01 16:51:03,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-01 16:51:03,525 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-03-01 16:51:03,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:51:03,527 INFO L225 Difference]: With dead ends: 1612 [2022-03-01 16:51:03,527 INFO L226 Difference]: Without dead ends: 1612 [2022-03-01 16:51:03,527 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=65, Invalid=91, Unknown=0, NotChecked=0, Total=156 [2022-03-01 16:51:03,531 INFO L933 BasicCegarLoop]: 118 mSDtfsCounter, 188 mSDsluCounter, 373 mSDsCounter, 0 mSdLazyCounter, 551 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 188 SdHoareTripleChecker+Valid, 491 SdHoareTripleChecker+Invalid, 618 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 551 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:51:03,531 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [188 Valid, 491 Invalid, 618 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 551 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-01 16:51:03,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1612 states. [2022-03-01 16:51:03,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1612 to 1308. [2022-03-01 16:51:03,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1308 states, 1301 states have (on average 1.8554957724827057) internal successors, (2414), 1307 states have internal predecessors, (2414), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:03,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1308 states to 1308 states and 2414 transitions. [2022-03-01 16:51:03,555 INFO L78 Accepts]: Start accepts. Automaton has 1308 states and 2414 transitions. Word has length 113 [2022-03-01 16:51:03,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:51:03,556 INFO L470 AbstractCegarLoop]: Abstraction has 1308 states and 2414 transitions. [2022-03-01 16:51:03,556 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:03,556 INFO L276 IsEmpty]: Start isEmpty. Operand 1308 states and 2414 transitions. [2022-03-01 16:51:03,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-01 16:51:03,557 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:51:03,557 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:51:03,557 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72 [2022-03-01 16:51:03,557 INFO L402 AbstractCegarLoop]: === Iteration 74 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:51:03,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:51:03,558 INFO L85 PathProgramCache]: Analyzing trace with hash 1602348004, now seen corresponding path program 15 times [2022-03-01 16:51:03,558 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:51:03,558 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [838318885] [2022-03-01 16:51:03,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:51:03,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:51:03,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:51:04,286 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:51:04,287 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:51:04,287 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [838318885] [2022-03-01 16:51:04,287 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [838318885] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:51:04,287 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:51:04,287 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-03-01 16:51:04,287 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1309577382] [2022-03-01 16:51:04,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:51:04,287 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-03-01 16:51:04,287 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:51:04,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-03-01 16:51:04,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=76, Unknown=0, NotChecked=0, Total=132 [2022-03-01 16:51:04,288 INFO L87 Difference]: Start difference. First operand 1308 states and 2414 transitions. Second operand has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:04,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:51:04,972 INFO L93 Difference]: Finished difference Result 1617 states and 2979 transitions. [2022-03-01 16:51:04,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-01 16:51:04,972 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-03-01 16:51:04,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:51:04,974 INFO L225 Difference]: With dead ends: 1617 [2022-03-01 16:51:04,974 INFO L226 Difference]: Without dead ends: 1617 [2022-03-01 16:51:04,974 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=101, Invalid=139, Unknown=0, NotChecked=0, Total=240 [2022-03-01 16:51:04,975 INFO L933 BasicCegarLoop]: 146 mSDtfsCounter, 240 mSDsluCounter, 496 mSDsCounter, 0 mSdLazyCounter, 653 mSolverCounterSat, 90 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 240 SdHoareTripleChecker+Valid, 642 SdHoareTripleChecker+Invalid, 743 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 90 IncrementalHoareTripleChecker+Valid, 653 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-03-01 16:51:04,975 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [240 Valid, 642 Invalid, 743 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [90 Valid, 653 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-01 16:51:04,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1617 states. [2022-03-01 16:51:04,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1617 to 1315. [2022-03-01 16:51:04,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1315 states, 1308 states have (on average 1.856269113149847) internal successors, (2428), 1314 states have internal predecessors, (2428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:04,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1315 states to 1315 states and 2428 transitions. [2022-03-01 16:51:04,987 INFO L78 Accepts]: Start accepts. Automaton has 1315 states and 2428 transitions. Word has length 113 [2022-03-01 16:51:04,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:51:04,988 INFO L470 AbstractCegarLoop]: Abstraction has 1315 states and 2428 transitions. [2022-03-01 16:51:04,988 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:04,988 INFO L276 IsEmpty]: Start isEmpty. Operand 1315 states and 2428 transitions. [2022-03-01 16:51:04,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-01 16:51:04,989 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:51:04,989 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:51:04,989 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73 [2022-03-01 16:51:04,989 INFO L402 AbstractCegarLoop]: === Iteration 75 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:51:04,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:51:04,990 INFO L85 PathProgramCache]: Analyzing trace with hash 467530950, now seen corresponding path program 16 times [2022-03-01 16:51:04,990 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:51:04,990 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595253118] [2022-03-01 16:51:04,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:51:04,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:51:05,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:51:05,738 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:51:05,738 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:51:05,738 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [595253118] [2022-03-01 16:51:05,738 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [595253118] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:51:05,738 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:51:05,739 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-03-01 16:51:05,739 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200486609] [2022-03-01 16:51:05,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:51:05,739 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-03-01 16:51:05,739 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:51:05,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-03-01 16:51:05,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2022-03-01 16:51:05,740 INFO L87 Difference]: Start difference. First operand 1315 states and 2428 transitions. Second operand has 11 states, 10 states have (on average 6.8) internal successors, (68), 11 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:06,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:51:06,323 INFO L93 Difference]: Finished difference Result 1611 states and 2967 transitions. [2022-03-01 16:51:06,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-01 16:51:06,331 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.8) internal successors, (68), 11 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-03-01 16:51:06,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:51:06,333 INFO L225 Difference]: With dead ends: 1611 [2022-03-01 16:51:06,333 INFO L226 Difference]: Without dead ends: 1611 [2022-03-01 16:51:06,333 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=86, Invalid=124, Unknown=0, NotChecked=0, Total=210 [2022-03-01 16:51:06,333 INFO L933 BasicCegarLoop]: 134 mSDtfsCounter, 228 mSDsluCounter, 355 mSDsCounter, 0 mSdLazyCounter, 505 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 228 SdHoareTripleChecker+Valid, 489 SdHoareTripleChecker+Invalid, 590 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 505 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:51:06,333 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [228 Valid, 489 Invalid, 590 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 505 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-01 16:51:06,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1611 states. [2022-03-01 16:51:06,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1611 to 1308. [2022-03-01 16:51:06,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1308 states, 1301 states have (on average 1.8554957724827057) internal successors, (2414), 1307 states have internal predecessors, (2414), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:06,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1308 states to 1308 states and 2414 transitions. [2022-03-01 16:51:06,347 INFO L78 Accepts]: Start accepts. Automaton has 1308 states and 2414 transitions. Word has length 113 [2022-03-01 16:51:06,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:51:06,347 INFO L470 AbstractCegarLoop]: Abstraction has 1308 states and 2414 transitions. [2022-03-01 16:51:06,347 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.8) internal successors, (68), 11 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:06,347 INFO L276 IsEmpty]: Start isEmpty. Operand 1308 states and 2414 transitions. [2022-03-01 16:51:06,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-01 16:51:06,348 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:51:06,348 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:51:06,348 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74 [2022-03-01 16:51:06,348 INFO L402 AbstractCegarLoop]: === Iteration 76 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:51:06,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:51:06,349 INFO L85 PathProgramCache]: Analyzing trace with hash -1745121662, now seen corresponding path program 17 times [2022-03-01 16:51:06,349 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:51:06,349 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [96488094] [2022-03-01 16:51:06,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:51:06,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:51:06,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:51:07,210 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:51:07,211 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:51:07,211 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [96488094] [2022-03-01 16:51:07,211 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [96488094] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:51:07,211 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:51:07,211 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-03-01 16:51:07,211 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [258186186] [2022-03-01 16:51:07,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:51:07,211 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-03-01 16:51:07,211 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:51:07,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-03-01 16:51:07,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=79, Unknown=0, NotChecked=0, Total=132 [2022-03-01 16:51:07,212 INFO L87 Difference]: Start difference. First operand 1308 states and 2414 transitions. Second operand has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:07,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:51:07,907 INFO L93 Difference]: Finished difference Result 1570 states and 2899 transitions. [2022-03-01 16:51:07,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-01 16:51:07,907 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-03-01 16:51:07,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:51:07,909 INFO L225 Difference]: With dead ends: 1570 [2022-03-01 16:51:07,909 INFO L226 Difference]: Without dead ends: 1570 [2022-03-01 16:51:07,909 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=127, Invalid=179, Unknown=0, NotChecked=0, Total=306 [2022-03-01 16:51:07,909 INFO L933 BasicCegarLoop]: 126 mSDtfsCounter, 212 mSDsluCounter, 482 mSDsCounter, 0 mSdLazyCounter, 651 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 212 SdHoareTripleChecker+Valid, 608 SdHoareTripleChecker+Invalid, 723 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 651 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:51:07,909 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [212 Valid, 608 Invalid, 723 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 651 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-01 16:51:07,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1570 states. [2022-03-01 16:51:07,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1570 to 1295. [2022-03-01 16:51:07,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1295 states, 1288 states have (on average 1.8540372670807452) internal successors, (2388), 1294 states have internal predecessors, (2388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:07,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1295 states to 1295 states and 2388 transitions. [2022-03-01 16:51:07,920 INFO L78 Accepts]: Start accepts. Automaton has 1295 states and 2388 transitions. Word has length 113 [2022-03-01 16:51:07,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:51:07,920 INFO L470 AbstractCegarLoop]: Abstraction has 1295 states and 2388 transitions. [2022-03-01 16:51:07,920 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:07,920 INFO L276 IsEmpty]: Start isEmpty. Operand 1295 states and 2388 transitions. [2022-03-01 16:51:07,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-01 16:51:07,921 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:51:07,921 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:51:07,921 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75 [2022-03-01 16:51:07,921 INFO L402 AbstractCegarLoop]: === Iteration 77 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:51:07,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:51:07,922 INFO L85 PathProgramCache]: Analyzing trace with hash 1191765034, now seen corresponding path program 18 times [2022-03-01 16:51:07,922 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:51:07,922 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2024883634] [2022-03-01 16:51:07,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:51:07,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:51:07,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:51:08,706 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:51:08,706 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:51:08,706 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2024883634] [2022-03-01 16:51:08,706 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2024883634] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:51:08,706 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:51:08,706 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-03-01 16:51:08,706 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [565762312] [2022-03-01 16:51:08,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:51:08,706 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-03-01 16:51:08,706 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:51:08,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-03-01 16:51:08,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=77, Unknown=0, NotChecked=0, Total=132 [2022-03-01 16:51:08,707 INFO L87 Difference]: Start difference. First operand 1295 states and 2388 transitions. Second operand has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:09,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:51:09,457 INFO L93 Difference]: Finished difference Result 1550 states and 2847 transitions. [2022-03-01 16:51:09,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-01 16:51:09,457 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-03-01 16:51:09,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:51:09,460 INFO L225 Difference]: With dead ends: 1550 [2022-03-01 16:51:09,460 INFO L226 Difference]: Without dead ends: 1550 [2022-03-01 16:51:09,460 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=113, Invalid=159, Unknown=0, NotChecked=0, Total=272 [2022-03-01 16:51:09,460 INFO L933 BasicCegarLoop]: 142 mSDtfsCounter, 232 mSDsluCounter, 503 mSDsCounter, 0 mSdLazyCounter, 668 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 232 SdHoareTripleChecker+Valid, 645 SdHoareTripleChecker+Invalid, 754 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 668 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-03-01 16:51:09,460 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [232 Valid, 645 Invalid, 754 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 668 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-01 16:51:09,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1550 states. [2022-03-01 16:51:09,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1550 to 1295. [2022-03-01 16:51:09,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1295 states, 1288 states have (on average 1.8540372670807452) internal successors, (2388), 1294 states have internal predecessors, (2388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:09,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1295 states to 1295 states and 2388 transitions. [2022-03-01 16:51:09,474 INFO L78 Accepts]: Start accepts. Automaton has 1295 states and 2388 transitions. Word has length 113 [2022-03-01 16:51:09,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:51:09,474 INFO L470 AbstractCegarLoop]: Abstraction has 1295 states and 2388 transitions. [2022-03-01 16:51:09,474 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:09,474 INFO L276 IsEmpty]: Start isEmpty. Operand 1295 states and 2388 transitions. [2022-03-01 16:51:09,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-01 16:51:09,476 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:51:09,476 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:51:09,476 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76 [2022-03-01 16:51:09,476 INFO L402 AbstractCegarLoop]: === Iteration 78 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:51:09,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:51:09,476 INFO L85 PathProgramCache]: Analyzing trace with hash 56947980, now seen corresponding path program 19 times [2022-03-01 16:51:09,477 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:51:09,477 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1774320290] [2022-03-01 16:51:09,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:51:09,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:51:09,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:51:10,177 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:51:10,177 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:51:10,177 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1774320290] [2022-03-01 16:51:10,178 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1774320290] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:51:10,178 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:51:10,178 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-03-01 16:51:10,178 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1338545499] [2022-03-01 16:51:10,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:51:10,178 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-03-01 16:51:10,178 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:51:10,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-03-01 16:51:10,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=66, Unknown=0, NotChecked=0, Total=110 [2022-03-01 16:51:10,179 INFO L87 Difference]: Start difference. First operand 1295 states and 2388 transitions. Second operand has 11 states, 10 states have (on average 6.8) internal successors, (68), 11 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:10,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:51:10,822 INFO L93 Difference]: Finished difference Result 1495 states and 2750 transitions. [2022-03-01 16:51:10,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-01 16:51:10,822 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.8) internal successors, (68), 11 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-03-01 16:51:10,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:51:10,824 INFO L225 Difference]: With dead ends: 1495 [2022-03-01 16:51:10,824 INFO L226 Difference]: Without dead ends: 1495 [2022-03-01 16:51:10,824 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=97, Invalid=143, Unknown=0, NotChecked=0, Total=240 [2022-03-01 16:51:10,824 INFO L933 BasicCegarLoop]: 130 mSDtfsCounter, 219 mSDsluCounter, 359 mSDsCounter, 0 mSdLazyCounter, 529 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 219 SdHoareTripleChecker+Valid, 489 SdHoareTripleChecker+Invalid, 599 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 529 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:51:10,824 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [219 Valid, 489 Invalid, 599 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 529 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-01 16:51:10,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1495 states. [2022-03-01 16:51:10,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1495 to 1281. [2022-03-01 16:51:10,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1281 states, 1274 states have (on average 1.8524332810047095) internal successors, (2360), 1280 states have internal predecessors, (2360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:10,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1281 states to 1281 states and 2360 transitions. [2022-03-01 16:51:10,834 INFO L78 Accepts]: Start accepts. Automaton has 1281 states and 2360 transitions. Word has length 113 [2022-03-01 16:51:10,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:51:10,835 INFO L470 AbstractCegarLoop]: Abstraction has 1281 states and 2360 transitions. [2022-03-01 16:51:10,835 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.8) internal successors, (68), 11 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:10,835 INFO L276 IsEmpty]: Start isEmpty. Operand 1281 states and 2360 transitions. [2022-03-01 16:51:10,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-01 16:51:10,836 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:51:10,836 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:51:10,836 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable77 [2022-03-01 16:51:10,836 INFO L402 AbstractCegarLoop]: === Iteration 79 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:51:10,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:51:10,836 INFO L85 PathProgramCache]: Analyzing trace with hash -1250392510, now seen corresponding path program 20 times [2022-03-01 16:51:10,836 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:51:10,836 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1272114165] [2022-03-01 16:51:10,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:51:10,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:51:10,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:51:11,600 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:51:11,600 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:51:11,600 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1272114165] [2022-03-01 16:51:11,600 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1272114165] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:51:11,600 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:51:11,601 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-03-01 16:51:11,601 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146295976] [2022-03-01 16:51:11,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:51:11,601 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-03-01 16:51:11,601 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:51:11,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-03-01 16:51:11,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=78, Unknown=0, NotChecked=0, Total=132 [2022-03-01 16:51:11,602 INFO L87 Difference]: Start difference. First operand 1281 states and 2360 transitions. Second operand has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:12,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:51:12,358 INFO L93 Difference]: Finished difference Result 1414 states and 2597 transitions. [2022-03-01 16:51:12,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-01 16:51:12,359 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-03-01 16:51:12,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:51:12,360 INFO L225 Difference]: With dead ends: 1414 [2022-03-01 16:51:12,361 INFO L226 Difference]: Without dead ends: 1414 [2022-03-01 16:51:12,361 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=125, Invalid=181, Unknown=0, NotChecked=0, Total=306 [2022-03-01 16:51:12,361 INFO L933 BasicCegarLoop]: 138 mSDtfsCounter, 226 mSDsluCounter, 440 mSDsCounter, 0 mSdLazyCounter, 616 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 226 SdHoareTripleChecker+Valid, 578 SdHoareTripleChecker+Invalid, 690 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 616 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-03-01 16:51:12,361 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [226 Valid, 578 Invalid, 690 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 616 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-01 16:51:12,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1414 states. [2022-03-01 16:51:12,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1414 to 1268. [2022-03-01 16:51:12,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1268 states, 1261 states have (on average 1.850911974623315) internal successors, (2334), 1267 states have internal predecessors, (2334), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:12,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1268 states to 1268 states and 2334 transitions. [2022-03-01 16:51:12,374 INFO L78 Accepts]: Start accepts. Automaton has 1268 states and 2334 transitions. Word has length 113 [2022-03-01 16:51:12,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:51:12,374 INFO L470 AbstractCegarLoop]: Abstraction has 1268 states and 2334 transitions. [2022-03-01 16:51:12,374 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:12,374 INFO L276 IsEmpty]: Start isEmpty. Operand 1268 states and 2334 transitions. [2022-03-01 16:51:12,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-01 16:51:12,376 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:51:12,376 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:51:12,376 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable78 [2022-03-01 16:51:12,376 INFO L402 AbstractCegarLoop]: === Iteration 80 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:51:12,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:51:12,376 INFO L85 PathProgramCache]: Analyzing trace with hash -1659326251, now seen corresponding path program 3 times [2022-03-01 16:51:12,376 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:51:12,376 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [796148305] [2022-03-01 16:51:12,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:51:12,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:51:12,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:51:12,705 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:51:12,705 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:51:12,705 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [796148305] [2022-03-01 16:51:12,705 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [796148305] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:51:12,705 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:51:12,705 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:51:12,705 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1902711413] [2022-03-01 16:51:12,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:51:12,705 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:51:12,705 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:51:12,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:51:12,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:51:12,706 INFO L87 Difference]: Start difference. First operand 1268 states and 2334 transitions. Second operand has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:13,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:51:13,273 INFO L93 Difference]: Finished difference Result 1296 states and 2380 transitions. [2022-03-01 16:51:13,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-01 16:51:13,274 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-03-01 16:51:13,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:51:13,275 INFO L225 Difference]: With dead ends: 1296 [2022-03-01 16:51:13,275 INFO L226 Difference]: Without dead ends: 1296 [2022-03-01 16:51:13,275 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=94, Invalid=146, Unknown=0, NotChecked=0, Total=240 [2022-03-01 16:51:13,275 INFO L933 BasicCegarLoop]: 110 mSDtfsCounter, 159 mSDsluCounter, 262 mSDsCounter, 0 mSdLazyCounter, 520 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 372 SdHoareTripleChecker+Invalid, 550 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 520 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:51:13,276 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [159 Valid, 372 Invalid, 550 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 520 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-01 16:51:13,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1296 states. [2022-03-01 16:51:13,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1296 to 1268. [2022-03-01 16:51:13,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1268 states, 1261 states have (on average 1.850911974623315) internal successors, (2334), 1267 states have internal predecessors, (2334), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:13,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1268 states to 1268 states and 2334 transitions. [2022-03-01 16:51:13,285 INFO L78 Accepts]: Start accepts. Automaton has 1268 states and 2334 transitions. Word has length 113 [2022-03-01 16:51:13,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:51:13,285 INFO L470 AbstractCegarLoop]: Abstraction has 1268 states and 2334 transitions. [2022-03-01 16:51:13,285 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:13,285 INFO L276 IsEmpty]: Start isEmpty. Operand 1268 states and 2334 transitions. [2022-03-01 16:51:13,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-01 16:51:13,286 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:51:13,286 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:51:13,286 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable79 [2022-03-01 16:51:13,286 INFO L402 AbstractCegarLoop]: === Iteration 81 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:51:13,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:51:13,287 INFO L85 PathProgramCache]: Analyzing trace with hash 945597615, now seen corresponding path program 4 times [2022-03-01 16:51:13,287 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:51:13,287 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [105410300] [2022-03-01 16:51:13,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:51:13,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:51:13,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:51:13,595 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:51:13,595 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:51:13,595 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [105410300] [2022-03-01 16:51:13,595 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [105410300] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:51:13,596 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:51:13,596 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:51:13,596 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575130459] [2022-03-01 16:51:13,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:51:13,596 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:51:13,596 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:51:13,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:51:13,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:51:13,596 INFO L87 Difference]: Start difference. First operand 1268 states and 2334 transitions. Second operand has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:13,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:51:13,979 INFO L93 Difference]: Finished difference Result 1308 states and 2400 transitions. [2022-03-01 16:51:13,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-01 16:51:13,979 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-03-01 16:51:13,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:51:13,981 INFO L225 Difference]: With dead ends: 1308 [2022-03-01 16:51:13,981 INFO L226 Difference]: Without dead ends: 1308 [2022-03-01 16:51:13,981 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-03-01 16:51:13,981 INFO L933 BasicCegarLoop]: 109 mSDtfsCounter, 147 mSDsluCounter, 343 mSDsCounter, 0 mSdLazyCounter, 566 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 452 SdHoareTripleChecker+Invalid, 591 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 566 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:51:13,981 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [147 Valid, 452 Invalid, 591 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 566 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-01 16:51:13,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1308 states. [2022-03-01 16:51:13,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1308 to 1268. [2022-03-01 16:51:13,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1268 states, 1261 states have (on average 1.850911974623315) internal successors, (2334), 1267 states have internal predecessors, (2334), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:13,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1268 states to 1268 states and 2334 transitions. [2022-03-01 16:51:13,994 INFO L78 Accepts]: Start accepts. Automaton has 1268 states and 2334 transitions. Word has length 113 [2022-03-01 16:51:13,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:51:13,994 INFO L470 AbstractCegarLoop]: Abstraction has 1268 states and 2334 transitions. [2022-03-01 16:51:13,994 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:13,994 INFO L276 IsEmpty]: Start isEmpty. Operand 1268 states and 2334 transitions. [2022-03-01 16:51:13,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-01 16:51:13,995 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:51:13,996 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:51:13,996 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80 [2022-03-01 16:51:13,996 INFO L402 AbstractCegarLoop]: === Iteration 82 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:51:13,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:51:13,996 INFO L85 PathProgramCache]: Analyzing trace with hash 952733367, now seen corresponding path program 5 times [2022-03-01 16:51:13,996 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:51:13,996 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [118870425] [2022-03-01 16:51:13,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:51:13,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:51:14,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:51:14,288 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:51:14,288 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:51:14,288 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [118870425] [2022-03-01 16:51:14,289 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [118870425] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:51:14,289 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:51:14,289 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:51:14,289 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [13202682] [2022-03-01 16:51:14,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:51:14,289 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:51:14,289 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:51:14,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:51:14,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:51:14,290 INFO L87 Difference]: Start difference. First operand 1268 states and 2334 transitions. Second operand has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:14,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:51:14,641 INFO L93 Difference]: Finished difference Result 1318 states and 2420 transitions. [2022-03-01 16:51:14,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-01 16:51:14,641 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-03-01 16:51:14,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:51:14,643 INFO L225 Difference]: With dead ends: 1318 [2022-03-01 16:51:14,643 INFO L226 Difference]: Without dead ends: 1318 [2022-03-01 16:51:14,643 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2022-03-01 16:51:14,643 INFO L933 BasicCegarLoop]: 105 mSDtfsCounter, 122 mSDsluCounter, 350 mSDsCounter, 0 mSdLazyCounter, 513 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 455 SdHoareTripleChecker+Invalid, 538 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 513 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:51:14,643 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [122 Valid, 455 Invalid, 538 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 513 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-01 16:51:14,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1318 states. [2022-03-01 16:51:14,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1318 to 1268. [2022-03-01 16:51:14,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1268 states, 1261 states have (on average 1.850911974623315) internal successors, (2334), 1267 states have internal predecessors, (2334), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:14,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1268 states to 1268 states and 2334 transitions. [2022-03-01 16:51:14,653 INFO L78 Accepts]: Start accepts. Automaton has 1268 states and 2334 transitions. Word has length 113 [2022-03-01 16:51:14,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:51:14,653 INFO L470 AbstractCegarLoop]: Abstraction has 1268 states and 2334 transitions. [2022-03-01 16:51:14,653 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:14,653 INFO L276 IsEmpty]: Start isEmpty. Operand 1268 states and 2334 transitions. [2022-03-01 16:51:14,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-01 16:51:14,654 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:51:14,654 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:51:14,654 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81 [2022-03-01 16:51:14,655 INFO L402 AbstractCegarLoop]: === Iteration 83 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:51:14,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:51:14,655 INFO L85 PathProgramCache]: Analyzing trace with hash 2029248333, now seen corresponding path program 6 times [2022-03-01 16:51:14,655 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:51:14,655 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [712392928] [2022-03-01 16:51:14,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:51:14,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:51:14,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:51:14,958 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:51:14,958 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:51:14,958 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [712392928] [2022-03-01 16:51:14,958 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [712392928] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:51:14,958 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:51:14,958 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:51:14,958 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2064110709] [2022-03-01 16:51:14,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:51:14,959 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:51:14,959 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:51:14,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:51:14,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:51:14,959 INFO L87 Difference]: Start difference. First operand 1268 states and 2334 transitions. Second operand has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:15,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:51:15,245 INFO L93 Difference]: Finished difference Result 1307 states and 2402 transitions. [2022-03-01 16:51:15,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-01 16:51:15,245 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-03-01 16:51:15,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:51:15,246 INFO L225 Difference]: With dead ends: 1307 [2022-03-01 16:51:15,246 INFO L226 Difference]: Without dead ends: 1307 [2022-03-01 16:51:15,247 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=64, Unknown=0, NotChecked=0, Total=110 [2022-03-01 16:51:15,247 INFO L933 BasicCegarLoop]: 101 mSDtfsCounter, 116 mSDsluCounter, 275 mSDsCounter, 0 mSdLazyCounter, 398 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 376 SdHoareTripleChecker+Invalid, 427 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 398 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-01 16:51:15,247 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [116 Valid, 376 Invalid, 427 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 398 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-01 16:51:15,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1307 states. [2022-03-01 16:51:15,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1307 to 1247. [2022-03-01 16:51:15,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1247 states, 1240 states have (on average 1.8516129032258064) internal successors, (2296), 1246 states have internal predecessors, (2296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:15,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1247 states to 1247 states and 2296 transitions. [2022-03-01 16:51:15,257 INFO L78 Accepts]: Start accepts. Automaton has 1247 states and 2296 transitions. Word has length 113 [2022-03-01 16:51:15,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:51:15,257 INFO L470 AbstractCegarLoop]: Abstraction has 1247 states and 2296 transitions. [2022-03-01 16:51:15,258 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:15,258 INFO L276 IsEmpty]: Start isEmpty. Operand 1247 states and 2296 transitions. [2022-03-01 16:51:15,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-01 16:51:15,258 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:51:15,259 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:51:15,259 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable82 [2022-03-01 16:51:15,259 INFO L402 AbstractCegarLoop]: === Iteration 84 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:51:15,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:51:15,259 INFO L85 PathProgramCache]: Analyzing trace with hash -814171281, now seen corresponding path program 27 times [2022-03-01 16:51:15,259 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:51:15,259 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553705275] [2022-03-01 16:51:15,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:51:15,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:51:15,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:51:16,122 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:51:16,122 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:51:16,122 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1553705275] [2022-03-01 16:51:16,122 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1553705275] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:51:16,122 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:51:16,122 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-03-01 16:51:16,122 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293198757] [2022-03-01 16:51:16,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:51:16,123 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-03-01 16:51:16,123 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:51:16,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-03-01 16:51:16,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=76, Unknown=0, NotChecked=0, Total=132 [2022-03-01 16:51:16,123 INFO L87 Difference]: Start difference. First operand 1247 states and 2296 transitions. Second operand has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:16,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:51:16,754 INFO L93 Difference]: Finished difference Result 1705 states and 3161 transitions. [2022-03-01 16:51:16,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-03-01 16:51:16,755 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-03-01 16:51:16,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:51:16,757 INFO L225 Difference]: With dead ends: 1705 [2022-03-01 16:51:16,757 INFO L226 Difference]: Without dead ends: 1705 [2022-03-01 16:51:16,757 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=93, Invalid=147, Unknown=0, NotChecked=0, Total=240 [2022-03-01 16:51:16,758 INFO L933 BasicCegarLoop]: 157 mSDtfsCounter, 283 mSDsluCounter, 412 mSDsCounter, 0 mSdLazyCounter, 627 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 283 SdHoareTripleChecker+Valid, 568 SdHoareTripleChecker+Invalid, 716 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 627 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-03-01 16:51:16,758 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [283 Valid, 568 Invalid, 716 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 627 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-01 16:51:16,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1705 states. [2022-03-01 16:51:16,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1705 to 1269. [2022-03-01 16:51:16,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1269 states, 1262 states have (on average 1.8541996830427891) internal successors, (2340), 1268 states have internal predecessors, (2340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:16,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1269 states to 1269 states and 2340 transitions. [2022-03-01 16:51:16,771 INFO L78 Accepts]: Start accepts. Automaton has 1269 states and 2340 transitions. Word has length 113 [2022-03-01 16:51:16,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:51:16,771 INFO L470 AbstractCegarLoop]: Abstraction has 1269 states and 2340 transitions. [2022-03-01 16:51:16,771 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:16,771 INFO L276 IsEmpty]: Start isEmpty. Operand 1269 states and 2340 transitions. [2022-03-01 16:51:16,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-01 16:51:16,772 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:51:16,772 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:51:16,773 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable83 [2022-03-01 16:51:16,773 INFO L402 AbstractCegarLoop]: === Iteration 85 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:51:16,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:51:16,773 INFO L85 PathProgramCache]: Analyzing trace with hash -77199181, now seen corresponding path program 28 times [2022-03-01 16:51:16,773 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:51:16,773 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686781027] [2022-03-01 16:51:16,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:51:16,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:51:16,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:51:17,585 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:51:17,586 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:51:17,586 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [686781027] [2022-03-01 16:51:17,586 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [686781027] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:51:17,586 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:51:17,586 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-03-01 16:51:17,586 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1070710002] [2022-03-01 16:51:17,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:51:17,586 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-03-01 16:51:17,586 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:51:17,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-03-01 16:51:17,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=76, Unknown=0, NotChecked=0, Total=132 [2022-03-01 16:51:17,587 INFO L87 Difference]: Start difference. First operand 1269 states and 2340 transitions. Second operand has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:18,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:51:18,192 INFO L93 Difference]: Finished difference Result 1735 states and 3213 transitions. [2022-03-01 16:51:18,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-03-01 16:51:18,193 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-03-01 16:51:18,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:51:18,195 INFO L225 Difference]: With dead ends: 1735 [2022-03-01 16:51:18,195 INFO L226 Difference]: Without dead ends: 1735 [2022-03-01 16:51:18,195 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=93, Invalid=147, Unknown=0, NotChecked=0, Total=240 [2022-03-01 16:51:18,195 INFO L933 BasicCegarLoop]: 148 mSDtfsCounter, 276 mSDsluCounter, 374 mSDsCounter, 0 mSdLazyCounter, 594 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 276 SdHoareTripleChecker+Valid, 521 SdHoareTripleChecker+Invalid, 673 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 594 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:51:18,195 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [276 Valid, 521 Invalid, 673 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 594 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-01 16:51:18,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1735 states. [2022-03-01 16:51:18,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1735 to 1257. [2022-03-01 16:51:18,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1257 states, 1250 states have (on average 1.8528) internal successors, (2316), 1256 states have internal predecessors, (2316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:18,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1257 states to 1257 states and 2316 transitions. [2022-03-01 16:51:18,208 INFO L78 Accepts]: Start accepts. Automaton has 1257 states and 2316 transitions. Word has length 113 [2022-03-01 16:51:18,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:51:18,208 INFO L470 AbstractCegarLoop]: Abstraction has 1257 states and 2316 transitions. [2022-03-01 16:51:18,208 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:18,208 INFO L276 IsEmpty]: Start isEmpty. Operand 1257 states and 2316 transitions. [2022-03-01 16:51:18,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-01 16:51:18,209 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:51:18,209 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:51:18,209 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable84 [2022-03-01 16:51:18,209 INFO L402 AbstractCegarLoop]: === Iteration 86 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:51:18,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:51:18,210 INFO L85 PathProgramCache]: Analyzing trace with hash 1378928111, now seen corresponding path program 29 times [2022-03-01 16:51:18,210 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:51:18,210 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1979856842] [2022-03-01 16:51:18,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:51:18,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:51:18,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:51:18,989 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:51:18,989 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:51:18,989 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1979856842] [2022-03-01 16:51:18,989 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1979856842] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:51:18,989 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:51:18,989 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-03-01 16:51:18,989 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1714641543] [2022-03-01 16:51:18,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:51:18,989 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-03-01 16:51:18,989 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:51:18,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-03-01 16:51:18,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=74, Unknown=0, NotChecked=0, Total=132 [2022-03-01 16:51:18,990 INFO L87 Difference]: Start difference. First operand 1257 states and 2316 transitions. Second operand has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:19,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:51:19,463 INFO L93 Difference]: Finished difference Result 1755 states and 3253 transitions. [2022-03-01 16:51:19,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-03-01 16:51:19,463 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-03-01 16:51:19,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:51:19,465 INFO L225 Difference]: With dead ends: 1755 [2022-03-01 16:51:19,466 INFO L226 Difference]: Without dead ends: 1755 [2022-03-01 16:51:19,466 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 4 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=71, Invalid=111, Unknown=0, NotChecked=0, Total=182 [2022-03-01 16:51:19,466 INFO L933 BasicCegarLoop]: 139 mSDtfsCounter, 216 mSDsluCounter, 346 mSDsCounter, 0 mSdLazyCounter, 548 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 216 SdHoareTripleChecker+Valid, 484 SdHoareTripleChecker+Invalid, 620 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 548 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:51:19,466 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [216 Valid, 484 Invalid, 620 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 548 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-01 16:51:19,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1755 states. [2022-03-01 16:51:19,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1755 to 1247. [2022-03-01 16:51:19,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1247 states, 1240 states have (on average 1.8516129032258064) internal successors, (2296), 1246 states have internal predecessors, (2296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:19,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1247 states to 1247 states and 2296 transitions. [2022-03-01 16:51:19,478 INFO L78 Accepts]: Start accepts. Automaton has 1247 states and 2296 transitions. Word has length 113 [2022-03-01 16:51:19,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:51:19,478 INFO L470 AbstractCegarLoop]: Abstraction has 1247 states and 2296 transitions. [2022-03-01 16:51:19,478 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:19,478 INFO L276 IsEmpty]: Start isEmpty. Operand 1247 states and 2296 transitions. [2022-03-01 16:51:19,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-01 16:51:19,479 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:51:19,479 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:51:19,479 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable85 [2022-03-01 16:51:19,480 INFO L402 AbstractCegarLoop]: === Iteration 87 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:51:19,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:51:19,480 INFO L85 PathProgramCache]: Analyzing trace with hash -24897997, now seen corresponding path program 30 times [2022-03-01 16:51:19,480 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:51:19,480 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1175290969] [2022-03-01 16:51:19,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:51:19,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:51:19,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:51:20,181 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:51:20,181 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:51:20,181 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1175290969] [2022-03-01 16:51:20,182 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1175290969] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:51:20,182 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:51:20,182 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-03-01 16:51:20,182 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [70938559] [2022-03-01 16:51:20,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:51:20,182 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-03-01 16:51:20,182 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:51:20,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-03-01 16:51:20,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=74, Unknown=0, NotChecked=0, Total=132 [2022-03-01 16:51:20,182 INFO L87 Difference]: Start difference. First operand 1247 states and 2296 transitions. Second operand has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:20,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:51:20,610 INFO L93 Difference]: Finished difference Result 1673 states and 3108 transitions. [2022-03-01 16:51:20,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-03-01 16:51:20,611 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-03-01 16:51:20,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:51:20,613 INFO L225 Difference]: With dead ends: 1673 [2022-03-01 16:51:20,614 INFO L226 Difference]: Without dead ends: 1673 [2022-03-01 16:51:20,614 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 4 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=71, Invalid=111, Unknown=0, NotChecked=0, Total=182 [2022-03-01 16:51:20,614 INFO L933 BasicCegarLoop]: 130 mSDtfsCounter, 182 mSDsluCounter, 427 mSDsCounter, 0 mSdLazyCounter, 553 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 556 SdHoareTripleChecker+Invalid, 615 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 553 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:51:20,614 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [182 Valid, 556 Invalid, 615 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 553 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-01 16:51:20,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1673 states. [2022-03-01 16:51:20,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1673 to 1231. [2022-03-01 16:51:20,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1231 states, 1224 states have (on average 1.8496732026143792) internal successors, (2264), 1230 states have internal predecessors, (2264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:20,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1231 states to 1231 states and 2264 transitions. [2022-03-01 16:51:20,625 INFO L78 Accepts]: Start accepts. Automaton has 1231 states and 2264 transitions. Word has length 113 [2022-03-01 16:51:20,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:51:20,626 INFO L470 AbstractCegarLoop]: Abstraction has 1231 states and 2264 transitions. [2022-03-01 16:51:20,626 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:20,626 INFO L276 IsEmpty]: Start isEmpty. Operand 1231 states and 2264 transitions. [2022-03-01 16:51:20,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-01 16:51:20,627 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:51:20,627 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:51:20,627 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable86 [2022-03-01 16:51:20,627 INFO L402 AbstractCegarLoop]: === Iteration 88 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:51:20,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:51:20,628 INFO L85 PathProgramCache]: Analyzing trace with hash 1094296257, now seen corresponding path program 31 times [2022-03-01 16:51:20,628 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:51:20,628 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [56273512] [2022-03-01 16:51:20,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:51:20,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:51:20,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:51:21,552 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:51:21,553 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:51:21,553 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [56273512] [2022-03-01 16:51:21,553 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [56273512] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:51:21,553 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:51:21,553 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-03-01 16:51:21,553 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624298318] [2022-03-01 16:51:21,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:51:21,553 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-03-01 16:51:21,553 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:51:21,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-03-01 16:51:21,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2022-03-01 16:51:21,554 INFO L87 Difference]: Start difference. First operand 1231 states and 2264 transitions. Second operand has 11 states, 10 states have (on average 6.8) internal successors, (68), 11 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:22,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:51:22,325 INFO L93 Difference]: Finished difference Result 1682 states and 3117 transitions. [2022-03-01 16:51:22,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-01 16:51:22,325 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.8) internal successors, (68), 11 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-03-01 16:51:22,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:51:22,327 INFO L225 Difference]: With dead ends: 1682 [2022-03-01 16:51:22,327 INFO L226 Difference]: Without dead ends: 1682 [2022-03-01 16:51:22,327 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 3 SyntacticMatches, 4 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=92, Invalid=148, Unknown=0, NotChecked=0, Total=240 [2022-03-01 16:51:22,327 INFO L933 BasicCegarLoop]: 155 mSDtfsCounter, 250 mSDsluCounter, 605 mSDsCounter, 0 mSdLazyCounter, 755 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 250 SdHoareTripleChecker+Valid, 759 SdHoareTripleChecker+Invalid, 828 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 755 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-03-01 16:51:22,327 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [250 Valid, 759 Invalid, 828 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 755 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-03-01 16:51:22,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1682 states. [2022-03-01 16:51:22,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1682 to 1239. [2022-03-01 16:51:22,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1239 states, 1232 states have (on average 1.8506493506493507) internal successors, (2280), 1238 states have internal predecessors, (2280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:22,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1239 states to 1239 states and 2280 transitions. [2022-03-01 16:51:22,341 INFO L78 Accepts]: Start accepts. Automaton has 1239 states and 2280 transitions. Word has length 113 [2022-03-01 16:51:22,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:51:22,341 INFO L470 AbstractCegarLoop]: Abstraction has 1239 states and 2280 transitions. [2022-03-01 16:51:22,342 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.8) internal successors, (68), 11 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:22,342 INFO L276 IsEmpty]: Start isEmpty. Operand 1239 states and 2280 transitions. [2022-03-01 16:51:22,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-01 16:51:22,343 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:51:22,343 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:51:22,343 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable87 [2022-03-01 16:51:22,343 INFO L402 AbstractCegarLoop]: === Iteration 89 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:51:22,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:51:22,343 INFO L85 PathProgramCache]: Analyzing trace with hash 1831268357, now seen corresponding path program 32 times [2022-03-01 16:51:22,344 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:51:22,344 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1072583767] [2022-03-01 16:51:22,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:51:22,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:51:22,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:51:23,547 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:51:23,547 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:51:23,547 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1072583767] [2022-03-01 16:51:23,547 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1072583767] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:51:23,547 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:51:23,547 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-03-01 16:51:23,547 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593376244] [2022-03-01 16:51:23,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:51:23,547 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-03-01 16:51:23,547 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:51:23,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-03-01 16:51:23,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=77, Unknown=0, NotChecked=0, Total=132 [2022-03-01 16:51:23,548 INFO L87 Difference]: Start difference. First operand 1239 states and 2280 transitions. Second operand has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:24,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:51:24,201 INFO L93 Difference]: Finished difference Result 1720 states and 3193 transitions. [2022-03-01 16:51:24,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-03-01 16:51:24,202 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-03-01 16:51:24,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:51:24,204 INFO L225 Difference]: With dead ends: 1720 [2022-03-01 16:51:24,204 INFO L226 Difference]: Without dead ends: 1720 [2022-03-01 16:51:24,204 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=105, Invalid=167, Unknown=0, NotChecked=0, Total=272 [2022-03-01 16:51:24,204 INFO L933 BasicCegarLoop]: 146 mSDtfsCounter, 267 mSDsluCounter, 369 mSDsCounter, 0 mSdLazyCounter, 587 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 267 SdHoareTripleChecker+Valid, 514 SdHoareTripleChecker+Invalid, 667 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 587 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:51:24,204 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [267 Valid, 514 Invalid, 667 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 587 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-01 16:51:24,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1720 states. [2022-03-01 16:51:24,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1720 to 1239. [2022-03-01 16:51:24,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1239 states, 1232 states have (on average 1.8506493506493507) internal successors, (2280), 1238 states have internal predecessors, (2280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:24,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1239 states to 1239 states and 2280 transitions. [2022-03-01 16:51:24,219 INFO L78 Accepts]: Start accepts. Automaton has 1239 states and 2280 transitions. Word has length 113 [2022-03-01 16:51:24,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:51:24,220 INFO L470 AbstractCegarLoop]: Abstraction has 1239 states and 2280 transitions. [2022-03-01 16:51:24,220 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:24,220 INFO L276 IsEmpty]: Start isEmpty. Operand 1239 states and 2280 transitions. [2022-03-01 16:51:24,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-01 16:51:24,221 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:51:24,221 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:51:24,221 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable88 [2022-03-01 16:51:24,221 INFO L402 AbstractCegarLoop]: === Iteration 90 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:51:24,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:51:24,221 INFO L85 PathProgramCache]: Analyzing trace with hash 420967865, now seen corresponding path program 33 times [2022-03-01 16:51:24,221 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:51:24,221 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [681893957] [2022-03-01 16:51:24,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:51:24,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:51:24,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:51:25,092 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:51:25,092 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:51:25,092 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [681893957] [2022-03-01 16:51:25,093 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [681893957] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:51:25,093 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:51:25,093 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-03-01 16:51:25,093 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539015804] [2022-03-01 16:51:25,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:51:25,093 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-03-01 16:51:25,093 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:51:25,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-03-01 16:51:25,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2022-03-01 16:51:25,093 INFO L87 Difference]: Start difference. First operand 1239 states and 2280 transitions. Second operand has 11 states, 10 states have (on average 6.8) internal successors, (68), 11 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:25,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:51:25,711 INFO L93 Difference]: Finished difference Result 1678 states and 3119 transitions. [2022-03-01 16:51:25,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-01 16:51:25,713 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.8) internal successors, (68), 11 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-03-01 16:51:25,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:51:25,715 INFO L225 Difference]: With dead ends: 1678 [2022-03-01 16:51:25,715 INFO L226 Difference]: Without dead ends: 1678 [2022-03-01 16:51:25,715 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 3 SyntacticMatches, 4 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=92, Invalid=148, Unknown=0, NotChecked=0, Total=240 [2022-03-01 16:51:25,715 INFO L933 BasicCegarLoop]: 137 mSDtfsCounter, 227 mSDsluCounter, 375 mSDsCounter, 0 mSdLazyCounter, 534 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 227 SdHoareTripleChecker+Valid, 511 SdHoareTripleChecker+Invalid, 599 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 534 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:51:25,715 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [227 Valid, 511 Invalid, 599 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 534 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-01 16:51:25,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1678 states. [2022-03-01 16:51:25,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1678 to 1232. [2022-03-01 16:51:25,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1232 states, 1225 states have (on average 1.849795918367347) internal successors, (2266), 1231 states have internal predecessors, (2266), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:25,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1232 states to 1232 states and 2266 transitions. [2022-03-01 16:51:25,726 INFO L78 Accepts]: Start accepts. Automaton has 1232 states and 2266 transitions. Word has length 113 [2022-03-01 16:51:25,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:51:25,726 INFO L470 AbstractCegarLoop]: Abstraction has 1232 states and 2266 transitions. [2022-03-01 16:51:25,726 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.8) internal successors, (68), 11 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:25,726 INFO L276 IsEmpty]: Start isEmpty. Operand 1232 states and 2266 transitions. [2022-03-01 16:51:25,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-01 16:51:25,727 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:51:25,727 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:51:25,727 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable89 [2022-03-01 16:51:25,728 INFO L402 AbstractCegarLoop]: === Iteration 91 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:51:25,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:51:25,728 INFO L85 PathProgramCache]: Analyzing trace with hash 1990288639, now seen corresponding path program 34 times [2022-03-01 16:51:25,728 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:51:25,728 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1973729247] [2022-03-01 16:51:25,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:51:25,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:51:25,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:51:26,804 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:51:26,805 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:51:26,805 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1973729247] [2022-03-01 16:51:26,805 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1973729247] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:51:26,805 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:51:26,805 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-03-01 16:51:26,805 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298876403] [2022-03-01 16:51:26,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:51:26,805 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-03-01 16:51:26,805 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:51:26,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-03-01 16:51:26,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=78, Unknown=0, NotChecked=0, Total=132 [2022-03-01 16:51:26,806 INFO L87 Difference]: Start difference. First operand 1232 states and 2266 transitions. Second operand has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:27,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:51:27,554 INFO L93 Difference]: Finished difference Result 1691 states and 3137 transitions. [2022-03-01 16:51:27,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-03-01 16:51:27,555 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-03-01 16:51:27,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:51:27,556 INFO L225 Difference]: With dead ends: 1691 [2022-03-01 16:51:27,556 INFO L226 Difference]: Without dead ends: 1691 [2022-03-01 16:51:27,557 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=117, Invalid=189, Unknown=0, NotChecked=0, Total=306 [2022-03-01 16:51:27,557 INFO L933 BasicCegarLoop]: 153 mSDtfsCounter, 264 mSDsluCounter, 439 mSDsCounter, 0 mSdLazyCounter, 639 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 264 SdHoareTripleChecker+Valid, 591 SdHoareTripleChecker+Invalid, 715 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 639 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-03-01 16:51:27,557 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [264 Valid, 591 Invalid, 715 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 639 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-01 16:51:27,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1691 states. [2022-03-01 16:51:27,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1691 to 1232. [2022-03-01 16:51:27,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1232 states, 1225 states have (on average 1.849795918367347) internal successors, (2266), 1231 states have internal predecessors, (2266), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:27,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1232 states to 1232 states and 2266 transitions. [2022-03-01 16:51:27,567 INFO L78 Accepts]: Start accepts. Automaton has 1232 states and 2266 transitions. Word has length 113 [2022-03-01 16:51:27,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:51:27,567 INFO L470 AbstractCegarLoop]: Abstraction has 1232 states and 2266 transitions. [2022-03-01 16:51:27,567 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:27,568 INFO L276 IsEmpty]: Start isEmpty. Operand 1232 states and 2266 transitions. [2022-03-01 16:51:27,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-01 16:51:27,568 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:51:27,569 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:51:27,569 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90 [2022-03-01 16:51:27,569 INFO L402 AbstractCegarLoop]: === Iteration 92 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:51:27,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:51:27,569 INFO L85 PathProgramCache]: Analyzing trace with hash -1567706557, now seen corresponding path program 35 times [2022-03-01 16:51:27,569 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:51:27,569 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [276178393] [2022-03-01 16:51:27,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:51:27,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:51:27,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:51:28,808 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:51:28,808 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:51:28,809 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [276178393] [2022-03-01 16:51:28,809 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [276178393] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:51:28,809 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:51:28,809 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-03-01 16:51:28,809 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1583608094] [2022-03-01 16:51:28,809 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:51:28,809 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-03-01 16:51:28,809 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:51:28,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-03-01 16:51:28,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=78, Unknown=0, NotChecked=0, Total=132 [2022-03-01 16:51:28,810 INFO L87 Difference]: Start difference. First operand 1232 states and 2266 transitions. Second operand has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:29,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:51:29,593 INFO L93 Difference]: Finished difference Result 1664 states and 3092 transitions. [2022-03-01 16:51:29,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-03-01 16:51:29,593 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-03-01 16:51:29,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:51:29,595 INFO L225 Difference]: With dead ends: 1664 [2022-03-01 16:51:29,595 INFO L226 Difference]: Without dead ends: 1664 [2022-03-01 16:51:29,595 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=117, Invalid=189, Unknown=0, NotChecked=0, Total=306 [2022-03-01 16:51:29,595 INFO L933 BasicCegarLoop]: 144 mSDtfsCounter, 241 mSDsluCounter, 534 mSDsCounter, 0 mSdLazyCounter, 729 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 241 SdHoareTripleChecker+Valid, 677 SdHoareTripleChecker+Invalid, 797 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 729 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-03-01 16:51:29,595 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [241 Valid, 677 Invalid, 797 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 729 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-01 16:51:29,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1664 states. [2022-03-01 16:51:29,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1664 to 1215. [2022-03-01 16:51:29,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1215 states, 1208 states have (on average 1.8476821192052981) internal successors, (2232), 1214 states have internal predecessors, (2232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:29,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1215 states to 1215 states and 2232 transitions. [2022-03-01 16:51:29,606 INFO L78 Accepts]: Start accepts. Automaton has 1215 states and 2232 transitions. Word has length 113 [2022-03-01 16:51:29,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:51:29,606 INFO L470 AbstractCegarLoop]: Abstraction has 1215 states and 2232 transitions. [2022-03-01 16:51:29,606 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:29,606 INFO L276 IsEmpty]: Start isEmpty. Operand 1215 states and 2232 transitions. [2022-03-01 16:51:29,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-01 16:51:29,607 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:51:29,607 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:51:29,607 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable91 [2022-03-01 16:51:29,607 INFO L402 AbstractCegarLoop]: === Iteration 93 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:51:29,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:51:29,608 INFO L85 PathProgramCache]: Analyzing trace with hash -1699704471, now seen corresponding path program 36 times [2022-03-01 16:51:29,608 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:51:29,608 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1832268811] [2022-03-01 16:51:29,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:51:29,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:51:29,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:51:30,607 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:51:30,607 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:51:30,607 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1832268811] [2022-03-01 16:51:30,607 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1832268811] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:51:30,607 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:51:30,608 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-03-01 16:51:30,608 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [420008992] [2022-03-01 16:51:30,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:51:30,608 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-03-01 16:51:30,608 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:51:30,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-03-01 16:51:30,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=78, Unknown=0, NotChecked=0, Total=132 [2022-03-01 16:51:30,608 INFO L87 Difference]: Start difference. First operand 1215 states and 2232 transitions. Second operand has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:31,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:51:31,425 INFO L93 Difference]: Finished difference Result 1583 states and 2939 transitions. [2022-03-01 16:51:31,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-03-01 16:51:31,426 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-03-01 16:51:31,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:51:31,427 INFO L225 Difference]: With dead ends: 1583 [2022-03-01 16:51:31,427 INFO L226 Difference]: Without dead ends: 1583 [2022-03-01 16:51:31,427 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=132, Invalid=210, Unknown=0, NotChecked=0, Total=342 [2022-03-01 16:51:31,428 INFO L933 BasicCegarLoop]: 155 mSDtfsCounter, 246 mSDsluCounter, 392 mSDsCounter, 0 mSdLazyCounter, 628 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 246 SdHoareTripleChecker+Valid, 546 SdHoareTripleChecker+Invalid, 704 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 628 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-03-01 16:51:31,428 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [246 Valid, 546 Invalid, 704 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 628 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-01 16:51:31,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1583 states. [2022-03-01 16:51:31,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1583 to 1199. [2022-03-01 16:51:31,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1199 states, 1192 states have (on average 1.8456375838926173) internal successors, (2200), 1198 states have internal predecessors, (2200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:31,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1199 states to 1199 states and 2200 transitions. [2022-03-01 16:51:31,437 INFO L78 Accepts]: Start accepts. Automaton has 1199 states and 2200 transitions. Word has length 113 [2022-03-01 16:51:31,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:51:31,437 INFO L470 AbstractCegarLoop]: Abstraction has 1199 states and 2200 transitions. [2022-03-01 16:51:31,437 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:31,437 INFO L276 IsEmpty]: Start isEmpty. Operand 1199 states and 2200 transitions. [2022-03-01 16:51:31,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-01 16:51:31,438 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:51:31,438 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:51:31,438 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable92 [2022-03-01 16:51:31,439 INFO L402 AbstractCegarLoop]: === Iteration 94 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:51:31,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:51:31,439 INFO L85 PathProgramCache]: Analyzing trace with hash -1480483601, now seen corresponding path program 23 times [2022-03-01 16:51:31,439 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:51:31,439 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1269264505] [2022-03-01 16:51:31,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:51:31,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:51:31,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:51:31,750 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:51:31,751 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:51:31,751 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1269264505] [2022-03-01 16:51:31,751 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1269264505] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:51:31,751 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:51:31,751 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:51:31,751 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [172049991] [2022-03-01 16:51:31,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:51:31,751 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:51:31,751 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:51:31,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:51:31,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:51:31,752 INFO L87 Difference]: Start difference. First operand 1199 states and 2200 transitions. Second operand has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:32,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:51:32,093 INFO L93 Difference]: Finished difference Result 1284 states and 2350 transitions. [2022-03-01 16:51:32,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-01 16:51:32,093 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-03-01 16:51:32,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:51:32,095 INFO L225 Difference]: With dead ends: 1284 [2022-03-01 16:51:32,095 INFO L226 Difference]: Without dead ends: 1284 [2022-03-01 16:51:32,095 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=64, Unknown=0, NotChecked=0, Total=110 [2022-03-01 16:51:32,095 INFO L933 BasicCegarLoop]: 114 mSDtfsCounter, 116 mSDsluCounter, 323 mSDsCounter, 0 mSdLazyCounter, 517 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 436 SdHoareTripleChecker+Invalid, 544 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 517 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:51:32,095 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [116 Valid, 436 Invalid, 544 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 517 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-01 16:51:32,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1284 states. [2022-03-01 16:51:32,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1284 to 1193. [2022-03-01 16:51:32,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1193 states, 1186 states have (on average 1.8448566610455313) internal successors, (2188), 1192 states have internal predecessors, (2188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:32,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1193 states to 1193 states and 2188 transitions. [2022-03-01 16:51:32,104 INFO L78 Accepts]: Start accepts. Automaton has 1193 states and 2188 transitions. Word has length 113 [2022-03-01 16:51:32,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:51:32,104 INFO L470 AbstractCegarLoop]: Abstraction has 1193 states and 2188 transitions. [2022-03-01 16:51:32,104 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:32,104 INFO L276 IsEmpty]: Start isEmpty. Operand 1193 states and 2188 transitions. [2022-03-01 16:51:32,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-01 16:51:32,105 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:51:32,105 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:51:32,105 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable93 [2022-03-01 16:51:32,105 INFO L402 AbstractCegarLoop]: === Iteration 95 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:51:32,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:51:32,106 INFO L85 PathProgramCache]: Analyzing trace with hash 364668245, now seen corresponding path program 24 times [2022-03-01 16:51:32,106 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:51:32,106 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1695175312] [2022-03-01 16:51:32,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:51:32,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:51:32,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:51:32,716 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:51:32,716 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:51:32,716 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1695175312] [2022-03-01 16:51:32,716 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1695175312] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:51:32,716 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:51:32,716 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-03-01 16:51:32,716 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [825527482] [2022-03-01 16:51:32,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:51:32,716 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-01 16:51:32,717 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:51:32,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-01 16:51:32,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=276, Unknown=0, NotChecked=0, Total=342 [2022-03-01 16:51:32,717 INFO L87 Difference]: Start difference. First operand 1193 states and 2188 transitions. Second operand has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:33,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:51:33,859 INFO L93 Difference]: Finished difference Result 1999 states and 3698 transitions. [2022-03-01 16:51:33,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-03-01 16:51:33,859 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-03-01 16:51:33,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:51:33,861 INFO L225 Difference]: With dead ends: 1999 [2022-03-01 16:51:33,861 INFO L226 Difference]: Without dead ends: 1999 [2022-03-01 16:51:33,862 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 330 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=325, Invalid=1157, Unknown=0, NotChecked=0, Total=1482 [2022-03-01 16:51:33,862 INFO L933 BasicCegarLoop]: 111 mSDtfsCounter, 771 mSDsluCounter, 655 mSDsCounter, 0 mSdLazyCounter, 987 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 771 SdHoareTripleChecker+Valid, 765 SdHoareTripleChecker+Invalid, 1052 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 987 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-03-01 16:51:33,862 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [771 Valid, 765 Invalid, 1052 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 987 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-03-01 16:51:33,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1999 states. [2022-03-01 16:51:33,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1999 to 1185. [2022-03-01 16:51:33,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1185 states, 1178 states have (on average 1.8438030560271648) internal successors, (2172), 1184 states have internal predecessors, (2172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:33,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1185 states to 1185 states and 2172 transitions. [2022-03-01 16:51:33,882 INFO L78 Accepts]: Start accepts. Automaton has 1185 states and 2172 transitions. Word has length 113 [2022-03-01 16:51:33,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:51:33,882 INFO L470 AbstractCegarLoop]: Abstraction has 1185 states and 2172 transitions. [2022-03-01 16:51:33,882 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:33,882 INFO L276 IsEmpty]: Start isEmpty. Operand 1185 states and 2172 transitions. [2022-03-01 16:51:33,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-01 16:51:33,883 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:51:33,883 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:51:33,883 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable94 [2022-03-01 16:51:33,883 INFO L402 AbstractCegarLoop]: === Iteration 96 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:51:33,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:51:33,884 INFO L85 PathProgramCache]: Analyzing trace with hash -1122763947, now seen corresponding path program 25 times [2022-03-01 16:51:33,884 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:51:33,884 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127501242] [2022-03-01 16:51:33,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:51:33,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:51:33,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:51:34,324 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:51:34,324 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:51:34,324 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1127501242] [2022-03-01 16:51:34,324 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1127501242] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:51:34,324 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:51:34,324 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:51:34,324 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [961607615] [2022-03-01 16:51:34,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:51:34,324 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:51:34,324 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:51:34,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:51:34,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:51:34,325 INFO L87 Difference]: Start difference. First operand 1185 states and 2172 transitions. Second operand has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:34,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:51:34,726 INFO L93 Difference]: Finished difference Result 1251 states and 2280 transitions. [2022-03-01 16:51:34,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-01 16:51:34,727 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-03-01 16:51:34,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:51:34,728 INFO L225 Difference]: With dead ends: 1251 [2022-03-01 16:51:34,728 INFO L226 Difference]: Without dead ends: 1251 [2022-03-01 16:51:34,728 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=49, Invalid=61, Unknown=0, NotChecked=0, Total=110 [2022-03-01 16:51:34,728 INFO L933 BasicCegarLoop]: 119 mSDtfsCounter, 169 mSDsluCounter, 265 mSDsCounter, 0 mSdLazyCounter, 568 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 169 SdHoareTripleChecker+Valid, 383 SdHoareTripleChecker+Invalid, 593 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 568 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:51:34,728 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [169 Valid, 383 Invalid, 593 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 568 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-01 16:51:34,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1251 states. [2022-03-01 16:51:34,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1251 to 1184. [2022-03-01 16:51:34,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1184 states, 1177 states have (on average 1.844519966015293) internal successors, (2171), 1183 states have internal predecessors, (2171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:34,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1184 states to 1184 states and 2171 transitions. [2022-03-01 16:51:34,737 INFO L78 Accepts]: Start accepts. Automaton has 1184 states and 2171 transitions. Word has length 113 [2022-03-01 16:51:34,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:51:34,737 INFO L470 AbstractCegarLoop]: Abstraction has 1184 states and 2171 transitions. [2022-03-01 16:51:34,737 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:34,738 INFO L276 IsEmpty]: Start isEmpty. Operand 1184 states and 2171 transitions. [2022-03-01 16:51:34,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-01 16:51:34,739 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:51:34,739 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:51:34,739 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable95 [2022-03-01 16:51:34,739 INFO L402 AbstractCegarLoop]: === Iteration 97 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:51:34,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:51:34,739 INFO L85 PathProgramCache]: Analyzing trace with hash 1007920087, now seen corresponding path program 26 times [2022-03-01 16:51:34,740 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:51:34,740 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1494015028] [2022-03-01 16:51:34,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:51:34,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:51:34,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:51:35,425 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:51:35,426 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:51:35,426 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1494015028] [2022-03-01 16:51:35,426 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1494015028] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:51:35,426 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:51:35,426 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-03-01 16:51:35,426 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1028806601] [2022-03-01 16:51:35,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:51:35,426 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-01 16:51:35,427 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:51:35,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-01 16:51:35,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=276, Unknown=0, NotChecked=0, Total=342 [2022-03-01 16:51:35,427 INFO L87 Difference]: Start difference. First operand 1184 states and 2171 transitions. Second operand has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:36,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:51:36,930 INFO L93 Difference]: Finished difference Result 1981 states and 3662 transitions. [2022-03-01 16:51:36,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-03-01 16:51:36,930 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-03-01 16:51:36,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:51:36,932 INFO L225 Difference]: With dead ends: 1981 [2022-03-01 16:51:36,932 INFO L226 Difference]: Without dead ends: 1981 [2022-03-01 16:51:36,932 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 345 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=346, Invalid=1214, Unknown=0, NotChecked=0, Total=1560 [2022-03-01 16:51:36,933 INFO L933 BasicCegarLoop]: 113 mSDtfsCounter, 740 mSDsluCounter, 1005 mSDsCounter, 0 mSdLazyCounter, 1532 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 740 SdHoareTripleChecker+Valid, 1117 SdHoareTripleChecker+Invalid, 1592 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 1532 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-03-01 16:51:36,933 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [740 Valid, 1117 Invalid, 1592 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 1532 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-03-01 16:51:36,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1981 states. [2022-03-01 16:51:36,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1981 to 1158. [2022-03-01 16:51:36,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1158 states, 1151 states have (on average 1.847089487402259) internal successors, (2126), 1157 states have internal predecessors, (2126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:36,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1158 states to 1158 states and 2126 transitions. [2022-03-01 16:51:36,943 INFO L78 Accepts]: Start accepts. Automaton has 1158 states and 2126 transitions. Word has length 113 [2022-03-01 16:51:36,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:51:36,943 INFO L470 AbstractCegarLoop]: Abstraction has 1158 states and 2126 transitions. [2022-03-01 16:51:36,943 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:36,943 INFO L276 IsEmpty]: Start isEmpty. Operand 1158 states and 2126 transitions. [2022-03-01 16:51:36,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-03-01 16:51:36,944 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:51:36,944 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:51:36,944 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable96 [2022-03-01 16:51:36,944 INFO L402 AbstractCegarLoop]: === Iteration 98 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:51:36,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:51:36,945 INFO L85 PathProgramCache]: Analyzing trace with hash 1897626067, now seen corresponding path program 1 times [2022-03-01 16:51:36,945 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:51:36,945 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [598219743] [2022-03-01 16:51:36,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:51:36,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:51:36,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:51:37,315 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:51:37,315 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:51:37,315 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [598219743] [2022-03-01 16:51:37,315 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [598219743] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:51:37,315 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:51:37,315 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:51:37,315 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586406261] [2022-03-01 16:51:37,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:51:37,316 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:51:37,316 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:51:37,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:51:37,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:51:37,316 INFO L87 Difference]: Start difference. First operand 1158 states and 2126 transitions. Second operand has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:37,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:51:37,774 INFO L93 Difference]: Finished difference Result 2040 states and 3774 transitions. [2022-03-01 16:51:37,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-01 16:51:37,774 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-03-01 16:51:37,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:51:37,776 INFO L225 Difference]: With dead ends: 2040 [2022-03-01 16:51:37,776 INFO L226 Difference]: Without dead ends: 2040 [2022-03-01 16:51:37,776 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=101, Invalid=205, Unknown=0, NotChecked=0, Total=306 [2022-03-01 16:51:37,777 INFO L933 BasicCegarLoop]: 136 mSDtfsCounter, 239 mSDsluCounter, 410 mSDsCounter, 0 mSdLazyCounter, 476 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 239 SdHoareTripleChecker+Valid, 544 SdHoareTripleChecker+Invalid, 532 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 476 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:51:37,777 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [239 Valid, 544 Invalid, 532 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 476 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-01 16:51:37,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2040 states. [2022-03-01 16:51:37,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2040 to 1255. [2022-03-01 16:51:37,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1255 states, 1248 states have (on average 1.858974358974359) internal successors, (2320), 1254 states have internal predecessors, (2320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:37,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1255 states to 1255 states and 2320 transitions. [2022-03-01 16:51:37,789 INFO L78 Accepts]: Start accepts. Automaton has 1255 states and 2320 transitions. Word has length 114 [2022-03-01 16:51:37,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:51:37,789 INFO L470 AbstractCegarLoop]: Abstraction has 1255 states and 2320 transitions. [2022-03-01 16:51:37,789 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:37,789 INFO L276 IsEmpty]: Start isEmpty. Operand 1255 states and 2320 transitions. [2022-03-01 16:51:37,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-03-01 16:51:37,790 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:51:37,790 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:51:37,790 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable97 [2022-03-01 16:51:37,790 INFO L402 AbstractCegarLoop]: === Iteration 99 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:51:37,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:51:37,790 INFO L85 PathProgramCache]: Analyzing trace with hash -906945106, now seen corresponding path program 1 times [2022-03-01 16:51:37,790 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:51:37,790 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1843885596] [2022-03-01 16:51:37,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:51:37,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:51:37,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:51:38,043 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:51:38,043 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:51:38,043 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1843885596] [2022-03-01 16:51:38,043 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1843885596] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:51:38,043 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:51:38,043 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:51:38,044 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689878430] [2022-03-01 16:51:38,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:51:38,044 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:51:38,044 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:51:38,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:51:38,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:51:38,044 INFO L87 Difference]: Start difference. First operand 1255 states and 2320 transitions. Second operand has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:38,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:51:38,468 INFO L93 Difference]: Finished difference Result 2013 states and 3723 transitions. [2022-03-01 16:51:38,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-01 16:51:38,468 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-03-01 16:51:38,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:51:38,470 INFO L225 Difference]: With dead ends: 2013 [2022-03-01 16:51:38,470 INFO L226 Difference]: Without dead ends: 2013 [2022-03-01 16:51:38,470 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2022-03-01 16:51:38,471 INFO L933 BasicCegarLoop]: 114 mSDtfsCounter, 226 mSDsluCounter, 353 mSDsCounter, 0 mSdLazyCounter, 510 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 226 SdHoareTripleChecker+Valid, 466 SdHoareTripleChecker+Invalid, 545 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 510 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:51:38,471 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [226 Valid, 466 Invalid, 545 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 510 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-01 16:51:38,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2013 states. [2022-03-01 16:51:38,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2013 to 1537. [2022-03-01 16:51:38,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1537 states, 1530 states have (on average 1.8862745098039215) internal successors, (2886), 1536 states have internal predecessors, (2886), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:38,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1537 states to 1537 states and 2886 transitions. [2022-03-01 16:51:38,484 INFO L78 Accepts]: Start accepts. Automaton has 1537 states and 2886 transitions. Word has length 114 [2022-03-01 16:51:38,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:51:38,484 INFO L470 AbstractCegarLoop]: Abstraction has 1537 states and 2886 transitions. [2022-03-01 16:51:38,484 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:38,484 INFO L276 IsEmpty]: Start isEmpty. Operand 1537 states and 2886 transitions. [2022-03-01 16:51:38,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-03-01 16:51:38,485 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:51:38,485 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:51:38,486 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable98 [2022-03-01 16:51:38,486 INFO L402 AbstractCegarLoop]: === Iteration 100 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:51:38,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:51:38,486 INFO L85 PathProgramCache]: Analyzing trace with hash 2094172360, now seen corresponding path program 2 times [2022-03-01 16:51:38,486 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:51:38,486 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1810234806] [2022-03-01 16:51:38,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:51:38,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:51:38,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:51:38,823 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:51:38,823 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:51:38,823 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1810234806] [2022-03-01 16:51:38,823 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1810234806] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:51:38,823 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:51:38,824 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:51:38,824 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [399850780] [2022-03-01 16:51:38,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:51:38,824 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:51:38,824 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:51:38,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:51:38,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:51:38,825 INFO L87 Difference]: Start difference. First operand 1537 states and 2886 transitions. Second operand has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:39,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:51:39,290 INFO L93 Difference]: Finished difference Result 1999 states and 3695 transitions. [2022-03-01 16:51:39,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-01 16:51:39,291 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-03-01 16:51:39,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:51:39,293 INFO L225 Difference]: With dead ends: 1999 [2022-03-01 16:51:39,293 INFO L226 Difference]: Without dead ends: 1999 [2022-03-01 16:51:39,293 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2022-03-01 16:51:39,293 INFO L933 BasicCegarLoop]: 115 mSDtfsCounter, 235 mSDsluCounter, 407 mSDsCounter, 0 mSdLazyCounter, 541 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 235 SdHoareTripleChecker+Valid, 521 SdHoareTripleChecker+Invalid, 578 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 541 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:51:39,293 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [235 Valid, 521 Invalid, 578 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 541 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-01 16:51:39,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1999 states. [2022-03-01 16:51:39,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1999 to 1549. [2022-03-01 16:51:39,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1549 states, 1542 states have (on average 1.880674448767834) internal successors, (2900), 1548 states have internal predecessors, (2900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:39,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1549 states to 1549 states and 2900 transitions. [2022-03-01 16:51:39,306 INFO L78 Accepts]: Start accepts. Automaton has 1549 states and 2900 transitions. Word has length 114 [2022-03-01 16:51:39,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:51:39,306 INFO L470 AbstractCegarLoop]: Abstraction has 1549 states and 2900 transitions. [2022-03-01 16:51:39,306 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:39,306 INFO L276 IsEmpty]: Start isEmpty. Operand 1549 states and 2900 transitions. [2022-03-01 16:51:39,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-03-01 16:51:39,307 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:51:39,308 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:51:39,308 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable99 [2022-03-01 16:51:39,308 INFO L402 AbstractCegarLoop]: === Iteration 101 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:51:39,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:51:39,308 INFO L85 PathProgramCache]: Analyzing trace with hash -1898103903, now seen corresponding path program 1 times [2022-03-01 16:51:39,308 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:51:39,308 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [68682570] [2022-03-01 16:51:39,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:51:39,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:51:39,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:51:40,106 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:51:40,107 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:51:40,107 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [68682570] [2022-03-01 16:51:40,107 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [68682570] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:51:40,107 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:51:40,107 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-03-01 16:51:40,107 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156206903] [2022-03-01 16:51:40,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:51:40,107 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-03-01 16:51:40,107 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:51:40,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-03-01 16:51:40,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2022-03-01 16:51:40,108 INFO L87 Difference]: Start difference. First operand 1549 states and 2900 transitions. Second operand has 11 states, 10 states have (on average 6.9) internal successors, (69), 11 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:40,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:51:40,690 INFO L93 Difference]: Finished difference Result 1971 states and 3644 transitions. [2022-03-01 16:51:40,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-01 16:51:40,690 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.9) internal successors, (69), 11 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-03-01 16:51:40,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:51:40,693 INFO L225 Difference]: With dead ends: 1971 [2022-03-01 16:51:40,693 INFO L226 Difference]: Without dead ends: 1927 [2022-03-01 16:51:40,693 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=90, Invalid=252, Unknown=0, NotChecked=0, Total=342 [2022-03-01 16:51:40,694 INFO L933 BasicCegarLoop]: 143 mSDtfsCounter, 278 mSDsluCounter, 524 mSDsCounter, 0 mSdLazyCounter, 604 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 278 SdHoareTripleChecker+Valid, 666 SdHoareTripleChecker+Invalid, 676 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 604 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:51:40,694 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [278 Valid, 666 Invalid, 676 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 604 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-01 16:51:40,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1927 states. [2022-03-01 16:51:40,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1927 to 1532. [2022-03-01 16:51:40,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1532 states, 1525 states have (on average 1.8773770491803279) internal successors, (2863), 1531 states have internal predecessors, (2863), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:40,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1532 states to 1532 states and 2863 transitions. [2022-03-01 16:51:40,707 INFO L78 Accepts]: Start accepts. Automaton has 1532 states and 2863 transitions. Word has length 114 [2022-03-01 16:51:40,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:51:40,707 INFO L470 AbstractCegarLoop]: Abstraction has 1532 states and 2863 transitions. [2022-03-01 16:51:40,708 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.9) internal successors, (69), 11 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:40,708 INFO L276 IsEmpty]: Start isEmpty. Operand 1532 states and 2863 transitions. [2022-03-01 16:51:40,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-03-01 16:51:40,709 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:51:40,709 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:51:40,709 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable100 [2022-03-01 16:51:40,709 INFO L402 AbstractCegarLoop]: === Iteration 102 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:51:40,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:51:40,709 INFO L85 PathProgramCache]: Analyzing trace with hash 1653358524, now seen corresponding path program 1 times [2022-03-01 16:51:40,709 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:51:40,709 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2127934336] [2022-03-01 16:51:40,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:51:40,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:51:40,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:51:40,830 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:51:40,830 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:51:40,830 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2127934336] [2022-03-01 16:51:40,830 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2127934336] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:51:40,830 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:51:40,830 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-03-01 16:51:40,830 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [678288880] [2022-03-01 16:51:40,830 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:51:40,830 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-03-01 16:51:40,830 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:51:40,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-03-01 16:51:40,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2022-03-01 16:51:40,831 INFO L87 Difference]: Start difference. First operand 1532 states and 2863 transitions. Second operand has 8 states, 7 states have (on average 9.857142857142858) internal successors, (69), 8 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:41,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:51:41,049 INFO L93 Difference]: Finished difference Result 1600 states and 2990 transitions. [2022-03-01 16:51:41,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-01 16:51:41,050 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 9.857142857142858) internal successors, (69), 8 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-03-01 16:51:41,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:51:41,052 INFO L225 Difference]: With dead ends: 1600 [2022-03-01 16:51:41,052 INFO L226 Difference]: Without dead ends: 1600 [2022-03-01 16:51:41,052 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2022-03-01 16:51:41,052 INFO L933 BasicCegarLoop]: 145 mSDtfsCounter, 170 mSDsluCounter, 254 mSDsCounter, 0 mSdLazyCounter, 295 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 397 SdHoareTripleChecker+Invalid, 318 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 295 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-01 16:51:41,052 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [170 Valid, 397 Invalid, 318 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 295 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-01 16:51:41,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1600 states. [2022-03-01 16:51:41,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1600 to 1534. [2022-03-01 16:51:41,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1534 states, 1527 states have (on average 1.8775376555337262) internal successors, (2867), 1533 states have internal predecessors, (2867), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:41,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1534 states to 1534 states and 2867 transitions. [2022-03-01 16:51:41,064 INFO L78 Accepts]: Start accepts. Automaton has 1534 states and 2867 transitions. Word has length 114 [2022-03-01 16:51:41,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:51:41,064 INFO L470 AbstractCegarLoop]: Abstraction has 1534 states and 2867 transitions. [2022-03-01 16:51:41,064 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 9.857142857142858) internal successors, (69), 8 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:41,064 INFO L276 IsEmpty]: Start isEmpty. Operand 1534 states and 2867 transitions. [2022-03-01 16:51:41,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-03-01 16:51:41,065 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:51:41,066 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:51:41,066 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable101 [2022-03-01 16:51:41,066 INFO L402 AbstractCegarLoop]: === Iteration 103 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:51:41,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:51:41,066 INFO L85 PathProgramCache]: Analyzing trace with hash 1567825494, now seen corresponding path program 2 times [2022-03-01 16:51:41,066 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:51:41,066 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [59041497] [2022-03-01 16:51:41,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:51:41,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:51:41,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:51:41,375 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:51:41,375 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:51:41,375 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [59041497] [2022-03-01 16:51:41,375 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [59041497] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:51:41,375 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:51:41,375 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:51:41,375 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998247105] [2022-03-01 16:51:41,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:51:41,375 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:51:41,375 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:51:41,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:51:41,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:51:41,376 INFO L87 Difference]: Start difference. First operand 1534 states and 2867 transitions. Second operand has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:41,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:51:41,797 INFO L93 Difference]: Finished difference Result 1900 states and 3502 transitions. [2022-03-01 16:51:41,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-01 16:51:41,797 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-03-01 16:51:41,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:51:41,799 INFO L225 Difference]: With dead ends: 1900 [2022-03-01 16:51:41,800 INFO L226 Difference]: Without dead ends: 1900 [2022-03-01 16:51:41,800 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2022-03-01 16:51:41,800 INFO L933 BasicCegarLoop]: 137 mSDtfsCounter, 195 mSDsluCounter, 399 mSDsCounter, 0 mSdLazyCounter, 513 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 195 SdHoareTripleChecker+Valid, 534 SdHoareTripleChecker+Invalid, 544 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 513 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:51:41,800 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [195 Valid, 534 Invalid, 544 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 513 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-01 16:51:41,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1900 states. [2022-03-01 16:51:41,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1900 to 1581. [2022-03-01 16:51:41,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1581 states, 1574 states have (on average 1.880559085133418) internal successors, (2960), 1580 states have internal predecessors, (2960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:41,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1581 states to 1581 states and 2960 transitions. [2022-03-01 16:51:41,814 INFO L78 Accepts]: Start accepts. Automaton has 1581 states and 2960 transitions. Word has length 114 [2022-03-01 16:51:41,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:51:41,814 INFO L470 AbstractCegarLoop]: Abstraction has 1581 states and 2960 transitions. [2022-03-01 16:51:41,814 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:41,814 INFO L276 IsEmpty]: Start isEmpty. Operand 1581 states and 2960 transitions. [2022-03-01 16:51:41,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-03-01 16:51:41,815 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:51:41,815 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:51:41,815 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable102 [2022-03-01 16:51:41,815 INFO L402 AbstractCegarLoop]: === Iteration 104 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:51:41,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:51:41,816 INFO L85 PathProgramCache]: Analyzing trace with hash -1271331244, now seen corresponding path program 3 times [2022-03-01 16:51:41,816 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:51:41,816 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1493577185] [2022-03-01 16:51:41,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:51:41,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:51:41,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:51:42,185 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:51:42,185 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:51:42,185 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1493577185] [2022-03-01 16:51:42,185 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1493577185] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:51:42,185 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:51:42,186 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:51:42,186 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1392465671] [2022-03-01 16:51:42,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:51:42,186 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:51:42,186 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:51:42,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:51:42,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:51:42,186 INFO L87 Difference]: Start difference. First operand 1581 states and 2960 transitions. Second operand has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:42,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:51:42,631 INFO L93 Difference]: Finished difference Result 1887 states and 3477 transitions. [2022-03-01 16:51:42,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-01 16:51:42,631 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-03-01 16:51:42,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:51:42,637 INFO L225 Difference]: With dead ends: 1887 [2022-03-01 16:51:42,637 INFO L226 Difference]: Without dead ends: 1887 [2022-03-01 16:51:42,637 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2022-03-01 16:51:42,637 INFO L933 BasicCegarLoop]: 137 mSDtfsCounter, 224 mSDsluCounter, 333 mSDsCounter, 0 mSdLazyCounter, 482 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 224 SdHoareTripleChecker+Valid, 468 SdHoareTripleChecker+Invalid, 515 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 482 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:51:42,637 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [224 Valid, 468 Invalid, 515 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 482 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-01 16:51:42,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1887 states. [2022-03-01 16:51:42,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1887 to 1593. [2022-03-01 16:51:42,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1593 states, 1586 states have (on average 1.8738965952080706) internal successors, (2972), 1592 states have internal predecessors, (2972), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:42,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1593 states to 1593 states and 2972 transitions. [2022-03-01 16:51:42,651 INFO L78 Accepts]: Start accepts. Automaton has 1593 states and 2972 transitions. Word has length 114 [2022-03-01 16:51:42,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:51:42,651 INFO L470 AbstractCegarLoop]: Abstraction has 1593 states and 2972 transitions. [2022-03-01 16:51:42,651 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:42,651 INFO L276 IsEmpty]: Start isEmpty. Operand 1593 states and 2972 transitions. [2022-03-01 16:51:42,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-03-01 16:51:42,652 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:51:42,652 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:51:42,652 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable103 [2022-03-01 16:51:42,653 INFO L402 AbstractCegarLoop]: === Iteration 105 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:51:42,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:51:42,653 INFO L85 PathProgramCache]: Analyzing trace with hash -2040526519, now seen corresponding path program 2 times [2022-03-01 16:51:42,653 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:51:42,653 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [928821276] [2022-03-01 16:51:42,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:51:42,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:51:42,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:51:43,333 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:51:43,333 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:51:43,334 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [928821276] [2022-03-01 16:51:43,334 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [928821276] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:51:43,334 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:51:43,334 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:51:43,334 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456524799] [2022-03-01 16:51:43,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:51:43,334 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:51:43,334 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:51:43,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:51:43,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:51:43,334 INFO L87 Difference]: Start difference. First operand 1593 states and 2972 transitions. Second operand has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:43,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:51:43,913 INFO L93 Difference]: Finished difference Result 2236 states and 4164 transitions. [2022-03-01 16:51:43,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-01 16:51:43,914 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-03-01 16:51:43,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:51:43,916 INFO L225 Difference]: With dead ends: 2236 [2022-03-01 16:51:43,916 INFO L226 Difference]: Without dead ends: 2208 [2022-03-01 16:51:43,916 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 5 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=103, Invalid=203, Unknown=0, NotChecked=0, Total=306 [2022-03-01 16:51:43,916 INFO L933 BasicCegarLoop]: 166 mSDtfsCounter, 282 mSDsluCounter, 419 mSDsCounter, 0 mSdLazyCounter, 479 mSolverCounterSat, 90 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 282 SdHoareTripleChecker+Valid, 583 SdHoareTripleChecker+Invalid, 569 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 90 IncrementalHoareTripleChecker+Valid, 479 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:51:43,917 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [282 Valid, 583 Invalid, 569 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [90 Valid, 479 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-01 16:51:43,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2208 states. [2022-03-01 16:51:43,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2208 to 1669. [2022-03-01 16:51:43,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1669 states, 1662 states have (on average 1.878459687123947) internal successors, (3122), 1668 states have internal predecessors, (3122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:43,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1669 states to 1669 states and 3122 transitions. [2022-03-01 16:51:43,931 INFO L78 Accepts]: Start accepts. Automaton has 1669 states and 3122 transitions. Word has length 114 [2022-03-01 16:51:43,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:51:43,931 INFO L470 AbstractCegarLoop]: Abstraction has 1669 states and 3122 transitions. [2022-03-01 16:51:43,931 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:43,931 INFO L276 IsEmpty]: Start isEmpty. Operand 1669 states and 3122 transitions. [2022-03-01 16:51:43,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-03-01 16:51:43,932 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:51:43,933 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:51:43,933 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable104 [2022-03-01 16:51:43,933 INFO L402 AbstractCegarLoop]: === Iteration 106 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:51:43,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:51:43,933 INFO L85 PathProgramCache]: Analyzing trace with hash -83906309, now seen corresponding path program 3 times [2022-03-01 16:51:43,933 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:51:43,933 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [612125071] [2022-03-01 16:51:43,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:51:43,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:51:43,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:51:44,740 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:51:44,740 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:51:44,740 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [612125071] [2022-03-01 16:51:44,740 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [612125071] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:51:44,740 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:51:44,740 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:51:44,740 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [501927207] [2022-03-01 16:51:44,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:51:44,741 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:51:44,741 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:51:44,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:51:44,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:51:44,741 INFO L87 Difference]: Start difference. First operand 1669 states and 3122 transitions. Second operand has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:45,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:51:45,391 INFO L93 Difference]: Finished difference Result 2251 states and 4194 transitions. [2022-03-01 16:51:45,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-01 16:51:45,391 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-03-01 16:51:45,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:51:45,395 INFO L225 Difference]: With dead ends: 2251 [2022-03-01 16:51:45,395 INFO L226 Difference]: Without dead ends: 2230 [2022-03-01 16:51:45,395 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 4 SyntacticMatches, 4 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=105, Invalid=201, Unknown=0, NotChecked=0, Total=306 [2022-03-01 16:51:45,395 INFO L933 BasicCegarLoop]: 164 mSDtfsCounter, 256 mSDsluCounter, 457 mSDsCounter, 0 mSdLazyCounter, 544 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 256 SdHoareTripleChecker+Valid, 619 SdHoareTripleChecker+Invalid, 622 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 544 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:51:45,395 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [256 Valid, 619 Invalid, 622 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 544 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-01 16:51:45,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2230 states. [2022-03-01 16:51:45,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2230 to 1670. [2022-03-01 16:51:45,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1670 states, 1663 states have (on average 1.878532772098617) internal successors, (3124), 1669 states have internal predecessors, (3124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:45,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1670 states to 1670 states and 3124 transitions. [2022-03-01 16:51:45,410 INFO L78 Accepts]: Start accepts. Automaton has 1670 states and 3124 transitions. Word has length 114 [2022-03-01 16:51:45,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:51:45,411 INFO L470 AbstractCegarLoop]: Abstraction has 1670 states and 3124 transitions. [2022-03-01 16:51:45,411 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:45,411 INFO L276 IsEmpty]: Start isEmpty. Operand 1670 states and 3124 transitions. [2022-03-01 16:51:45,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-03-01 16:51:45,412 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:51:45,412 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:51:45,412 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable105 [2022-03-01 16:51:45,412 INFO L402 AbstractCegarLoop]: === Iteration 107 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:51:45,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:51:45,413 INFO L85 PathProgramCache]: Analyzing trace with hash 1922053757, now seen corresponding path program 4 times [2022-03-01 16:51:45,413 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:51:45,413 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1077401934] [2022-03-01 16:51:45,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:51:45,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:51:45,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:51:46,216 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:51:46,216 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:51:46,216 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1077401934] [2022-03-01 16:51:46,216 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1077401934] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:51:46,216 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:51:46,216 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:51:46,216 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040756993] [2022-03-01 16:51:46,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:51:46,216 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:51:46,216 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:51:46,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:51:46,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:51:46,217 INFO L87 Difference]: Start difference. First operand 1670 states and 3124 transitions. Second operand has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:46,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:51:46,846 INFO L93 Difference]: Finished difference Result 2168 states and 4030 transitions. [2022-03-01 16:51:46,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-01 16:51:46,846 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-03-01 16:51:46,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:51:46,849 INFO L225 Difference]: With dead ends: 2168 [2022-03-01 16:51:46,849 INFO L226 Difference]: Without dead ends: 2154 [2022-03-01 16:51:46,849 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 4 SyntacticMatches, 4 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=107, Invalid=199, Unknown=0, NotChecked=0, Total=306 [2022-03-01 16:51:46,849 INFO L933 BasicCegarLoop]: 162 mSDtfsCounter, 264 mSDsluCounter, 361 mSDsCounter, 0 mSdLazyCounter, 493 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 264 SdHoareTripleChecker+Valid, 521 SdHoareTripleChecker+Invalid, 574 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 493 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:51:46,849 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [264 Valid, 521 Invalid, 574 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 493 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-01 16:51:46,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2154 states. [2022-03-01 16:51:46,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2154 to 1671. [2022-03-01 16:51:46,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1671 states, 1664 states have (on average 1.8786057692307692) internal successors, (3126), 1670 states have internal predecessors, (3126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:46,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1671 states to 1671 states and 3126 transitions. [2022-03-01 16:51:46,881 INFO L78 Accepts]: Start accepts. Automaton has 1671 states and 3126 transitions. Word has length 114 [2022-03-01 16:51:46,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:51:46,882 INFO L470 AbstractCegarLoop]: Abstraction has 1671 states and 3126 transitions. [2022-03-01 16:51:46,882 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:46,882 INFO L276 IsEmpty]: Start isEmpty. Operand 1671 states and 3126 transitions. [2022-03-01 16:51:46,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-03-01 16:51:46,883 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:51:46,883 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:51:46,883 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable106 [2022-03-01 16:51:46,883 INFO L402 AbstractCegarLoop]: === Iteration 108 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:51:46,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:51:46,884 INFO L85 PathProgramCache]: Analyzing trace with hash 115756892, now seen corresponding path program 4 times [2022-03-01 16:51:46,884 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:51:46,884 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171792645] [2022-03-01 16:51:46,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:51:46,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:51:46,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:51:47,069 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:51:47,070 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:51:47,070 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [171792645] [2022-03-01 16:51:47,070 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [171792645] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:51:47,070 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:51:47,070 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:51:47,070 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467429599] [2022-03-01 16:51:47,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:51:47,070 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:51:47,070 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:51:47,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:51:47,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:51:47,070 INFO L87 Difference]: Start difference. First operand 1671 states and 3126 transitions. Second operand has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:47,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:51:47,780 INFO L93 Difference]: Finished difference Result 1951 states and 3627 transitions. [2022-03-01 16:51:47,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-01 16:51:47,780 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-03-01 16:51:47,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:51:47,782 INFO L225 Difference]: With dead ends: 1951 [2022-03-01 16:51:47,783 INFO L226 Difference]: Without dead ends: 1951 [2022-03-01 16:51:47,783 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 5 SyntacticMatches, 2 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=187, Invalid=365, Unknown=0, NotChecked=0, Total=552 [2022-03-01 16:51:47,783 INFO L933 BasicCegarLoop]: 183 mSDtfsCounter, 267 mSDsluCounter, 661 mSDsCounter, 0 mSdLazyCounter, 728 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 267 SdHoareTripleChecker+Valid, 841 SdHoareTripleChecker+Invalid, 779 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 728 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:51:47,783 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [267 Valid, 841 Invalid, 779 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 728 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-01 16:51:47,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1951 states. [2022-03-01 16:51:47,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1951 to 1671. [2022-03-01 16:51:47,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1671 states, 1664 states have (on average 1.8786057692307692) internal successors, (3126), 1670 states have internal predecessors, (3126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:47,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1671 states to 1671 states and 3126 transitions. [2022-03-01 16:51:47,797 INFO L78 Accepts]: Start accepts. Automaton has 1671 states and 3126 transitions. Word has length 114 [2022-03-01 16:51:47,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:51:47,797 INFO L470 AbstractCegarLoop]: Abstraction has 1671 states and 3126 transitions. [2022-03-01 16:51:47,797 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:47,797 INFO L276 IsEmpty]: Start isEmpty. Operand 1671 states and 3126 transitions. [2022-03-01 16:51:47,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-03-01 16:51:47,798 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:51:47,798 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:51:47,798 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable107 [2022-03-01 16:51:47,798 INFO L402 AbstractCegarLoop]: === Iteration 109 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:51:47,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:51:47,798 INFO L85 PathProgramCache]: Analyzing trace with hash 30223862, now seen corresponding path program 5 times [2022-03-01 16:51:47,799 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:51:47,799 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1035770237] [2022-03-01 16:51:47,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:51:47,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:51:47,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:51:48,167 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:51:48,167 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:51:48,167 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1035770237] [2022-03-01 16:51:48,167 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1035770237] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:51:48,167 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:51:48,167 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:51:48,167 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780849480] [2022-03-01 16:51:48,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:51:48,168 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:51:48,168 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:51:48,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:51:48,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:51:48,168 INFO L87 Difference]: Start difference. First operand 1671 states and 3126 transitions. Second operand has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:48,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:51:48,620 INFO L93 Difference]: Finished difference Result 1973 states and 3656 transitions. [2022-03-01 16:51:48,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-01 16:51:48,621 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-03-01 16:51:48,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:51:48,623 INFO L225 Difference]: With dead ends: 1973 [2022-03-01 16:51:48,623 INFO L226 Difference]: Without dead ends: 1973 [2022-03-01 16:51:48,623 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=103, Invalid=203, Unknown=0, NotChecked=0, Total=306 [2022-03-01 16:51:48,623 INFO L933 BasicCegarLoop]: 126 mSDtfsCounter, 152 mSDsluCounter, 427 mSDsCounter, 0 mSdLazyCounter, 478 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 551 SdHoareTripleChecker+Invalid, 504 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 478 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:51:48,624 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [152 Valid, 551 Invalid, 504 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 478 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-01 16:51:48,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1973 states. [2022-03-01 16:51:48,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1973 to 1690. [2022-03-01 16:51:48,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1690 states, 1683 states have (on average 1.8799762329174095) internal successors, (3164), 1689 states have internal predecessors, (3164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:48,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1690 states to 1690 states and 3164 transitions. [2022-03-01 16:51:48,637 INFO L78 Accepts]: Start accepts. Automaton has 1690 states and 3164 transitions. Word has length 114 [2022-03-01 16:51:48,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:51:48,638 INFO L470 AbstractCegarLoop]: Abstraction has 1690 states and 3164 transitions. [2022-03-01 16:51:48,638 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:48,638 INFO L276 IsEmpty]: Start isEmpty. Operand 1690 states and 3164 transitions. [2022-03-01 16:51:48,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-03-01 16:51:48,639 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:51:48,639 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:51:48,639 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable108 [2022-03-01 16:51:48,639 INFO L402 AbstractCegarLoop]: === Iteration 110 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:51:48,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:51:48,640 INFO L85 PathProgramCache]: Analyzing trace with hash 1702295418, now seen corresponding path program 6 times [2022-03-01 16:51:48,640 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:51:48,640 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1179050460] [2022-03-01 16:51:48,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:51:48,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:51:48,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:51:49,064 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:51:49,065 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:51:49,065 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1179050460] [2022-03-01 16:51:49,065 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1179050460] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:51:49,065 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:51:49,065 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:51:49,065 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574562623] [2022-03-01 16:51:49,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:51:49,065 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:51:49,065 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:51:49,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:51:49,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:51:49,065 INFO L87 Difference]: Start difference. First operand 1690 states and 3164 transitions. Second operand has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:49,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:51:49,568 INFO L93 Difference]: Finished difference Result 1968 states and 3647 transitions. [2022-03-01 16:51:49,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-01 16:51:49,569 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-03-01 16:51:49,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:51:49,571 INFO L225 Difference]: With dead ends: 1968 [2022-03-01 16:51:49,571 INFO L226 Difference]: Without dead ends: 1968 [2022-03-01 16:51:49,571 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=103, Invalid=203, Unknown=0, NotChecked=0, Total=306 [2022-03-01 16:51:49,571 INFO L933 BasicCegarLoop]: 126 mSDtfsCounter, 148 mSDsluCounter, 503 mSDsCounter, 0 mSdLazyCounter, 557 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 627 SdHoareTripleChecker+Invalid, 585 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 557 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:51:49,571 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [148 Valid, 627 Invalid, 585 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 557 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-01 16:51:49,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1968 states. [2022-03-01 16:51:49,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1968 to 1672. [2022-03-01 16:51:49,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1672 states, 1665 states have (on average 1.8786786786786787) internal successors, (3128), 1671 states have internal predecessors, (3128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:49,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1672 states to 1672 states and 3128 transitions. [2022-03-01 16:51:49,585 INFO L78 Accepts]: Start accepts. Automaton has 1672 states and 3128 transitions. Word has length 114 [2022-03-01 16:51:49,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:51:49,585 INFO L470 AbstractCegarLoop]: Abstraction has 1672 states and 3128 transitions. [2022-03-01 16:51:49,585 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:49,585 INFO L276 IsEmpty]: Start isEmpty. Operand 1672 states and 3128 transitions. [2022-03-01 16:51:49,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-03-01 16:51:49,586 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:51:49,586 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:51:49,586 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable109 [2022-03-01 16:51:49,587 INFO L402 AbstractCegarLoop]: === Iteration 111 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:51:49,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:51:49,587 INFO L85 PathProgramCache]: Analyzing trace with hash -1227539500, now seen corresponding path program 7 times [2022-03-01 16:51:49,587 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:51:49,587 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [76754359] [2022-03-01 16:51:49,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:51:49,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:51:49,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:51:50,071 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:51:50,071 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:51:50,071 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [76754359] [2022-03-01 16:51:50,071 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [76754359] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:51:50,071 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:51:50,071 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:51:50,071 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192913291] [2022-03-01 16:51:50,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:51:50,071 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:51:50,072 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:51:50,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:51:50,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:51:50,072 INFO L87 Difference]: Start difference. First operand 1672 states and 3128 transitions. Second operand has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:50,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:51:50,584 INFO L93 Difference]: Finished difference Result 1950 states and 3613 transitions. [2022-03-01 16:51:50,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-01 16:51:50,585 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-03-01 16:51:50,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:51:50,587 INFO L225 Difference]: With dead ends: 1950 [2022-03-01 16:51:50,587 INFO L226 Difference]: Without dead ends: 1950 [2022-03-01 16:51:50,588 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=105, Invalid=201, Unknown=0, NotChecked=0, Total=306 [2022-03-01 16:51:50,588 INFO L933 BasicCegarLoop]: 128 mSDtfsCounter, 165 mSDsluCounter, 329 mSDsCounter, 0 mSdLazyCounter, 505 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 455 SdHoareTripleChecker+Invalid, 536 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 505 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:51:50,588 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [165 Valid, 455 Invalid, 536 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 505 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-01 16:51:50,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1950 states. [2022-03-01 16:51:50,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1950 to 1673. [2022-03-01 16:51:50,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1673 states, 1666 states have (on average 1.87875150060024) internal successors, (3130), 1672 states have internal predecessors, (3130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:50,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1673 states to 1673 states and 3130 transitions. [2022-03-01 16:51:50,602 INFO L78 Accepts]: Start accepts. Automaton has 1673 states and 3130 transitions. Word has length 114 [2022-03-01 16:51:50,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:51:50,602 INFO L470 AbstractCegarLoop]: Abstraction has 1673 states and 3130 transitions. [2022-03-01 16:51:50,602 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:50,602 INFO L276 IsEmpty]: Start isEmpty. Operand 1673 states and 3130 transitions. [2022-03-01 16:51:50,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-03-01 16:51:50,603 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:51:50,603 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:51:50,604 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable110 [2022-03-01 16:51:50,604 INFO L402 AbstractCegarLoop]: === Iteration 112 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:51:50,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:51:50,604 INFO L85 PathProgramCache]: Analyzing trace with hash -93297196, now seen corresponding path program 8 times [2022-03-01 16:51:50,604 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:51:50,604 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [206478235] [2022-03-01 16:51:50,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:51:50,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:51:50,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:51:51,202 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:51:51,203 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:51:51,203 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [206478235] [2022-03-01 16:51:51,203 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [206478235] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:51:51,203 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:51:51,203 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:51:51,203 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1785117089] [2022-03-01 16:51:51,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:51:51,203 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:51:51,203 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:51:51,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:51:51,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:51:51,204 INFO L87 Difference]: Start difference. First operand 1673 states and 3130 transitions. Second operand has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:51,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:51:51,851 INFO L93 Difference]: Finished difference Result 1938 states and 3585 transitions. [2022-03-01 16:51:51,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-01 16:51:51,851 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-03-01 16:51:51,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:51:51,853 INFO L225 Difference]: With dead ends: 1938 [2022-03-01 16:51:51,854 INFO L226 Difference]: Without dead ends: 1938 [2022-03-01 16:51:51,854 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=109, Invalid=197, Unknown=0, NotChecked=0, Total=306 [2022-03-01 16:51:51,854 INFO L933 BasicCegarLoop]: 134 mSDtfsCounter, 171 mSDsluCounter, 404 mSDsCounter, 0 mSdLazyCounter, 611 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 536 SdHoareTripleChecker+Invalid, 646 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 611 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:51:51,854 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [171 Valid, 536 Invalid, 646 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 611 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-01 16:51:51,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1938 states. [2022-03-01 16:51:51,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1938 to 1675. [2022-03-01 16:51:51,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1675 states, 1668 states have (on average 1.8782973621103118) internal successors, (3133), 1674 states have internal predecessors, (3133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:51,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1675 states to 1675 states and 3133 transitions. [2022-03-01 16:51:51,868 INFO L78 Accepts]: Start accepts. Automaton has 1675 states and 3133 transitions. Word has length 114 [2022-03-01 16:51:51,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:51:51,868 INFO L470 AbstractCegarLoop]: Abstraction has 1675 states and 3133 transitions. [2022-03-01 16:51:51,868 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:51,868 INFO L276 IsEmpty]: Start isEmpty. Operand 1675 states and 3133 transitions. [2022-03-01 16:51:51,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-03-01 16:51:51,870 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:51:51,870 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:51:51,870 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable111 [2022-03-01 16:51:51,870 INFO L402 AbstractCegarLoop]: === Iteration 113 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:51:51,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:51:51,870 INFO L85 PathProgramCache]: Analyzing trace with hash 1533398418, now seen corresponding path program 9 times [2022-03-01 16:51:51,870 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:51:51,870 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2136298094] [2022-03-01 16:51:51,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:51:51,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:51:51,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:51:52,502 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:51:52,503 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:51:52,503 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2136298094] [2022-03-01 16:51:52,503 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2136298094] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:51:52,503 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:51:52,503 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:51:52,503 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1497049476] [2022-03-01 16:51:52,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:51:52,503 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:51:52,503 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:51:52,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:51:52,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:51:52,504 INFO L87 Difference]: Start difference. First operand 1675 states and 3133 transitions. Second operand has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:53,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:51:53,136 INFO L93 Difference]: Finished difference Result 1933 states and 3579 transitions. [2022-03-01 16:51:53,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-01 16:51:53,136 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-03-01 16:51:53,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:51:53,139 INFO L225 Difference]: With dead ends: 1933 [2022-03-01 16:51:53,139 INFO L226 Difference]: Without dead ends: 1933 [2022-03-01 16:51:53,139 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=107, Invalid=199, Unknown=0, NotChecked=0, Total=306 [2022-03-01 16:51:53,139 INFO L933 BasicCegarLoop]: 130 mSDtfsCounter, 167 mSDsluCounter, 485 mSDsCounter, 0 mSdLazyCounter, 654 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 613 SdHoareTripleChecker+Invalid, 687 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 654 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:51:53,139 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [167 Valid, 613 Invalid, 687 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 654 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-01 16:51:53,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1933 states. [2022-03-01 16:51:53,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1933 to 1675. [2022-03-01 16:51:53,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1675 states, 1668 states have (on average 1.8782973621103118) internal successors, (3133), 1674 states have internal predecessors, (3133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:53,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1675 states to 1675 states and 3133 transitions. [2022-03-01 16:51:53,152 INFO L78 Accepts]: Start accepts. Automaton has 1675 states and 3133 transitions. Word has length 114 [2022-03-01 16:51:53,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:51:53,153 INFO L470 AbstractCegarLoop]: Abstraction has 1675 states and 3133 transitions. [2022-03-01 16:51:53,153 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:53,153 INFO L276 IsEmpty]: Start isEmpty. Operand 1675 states and 3133 transitions. [2022-03-01 16:51:53,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-03-01 16:51:53,154 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:51:53,154 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:51:53,154 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable112 [2022-03-01 16:51:53,154 INFO L402 AbstractCegarLoop]: === Iteration 114 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:51:53,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:51:53,155 INFO L85 PathProgramCache]: Analyzing trace with hash 211158013, now seen corresponding path program 5 times [2022-03-01 16:51:53,155 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:51:53,155 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [509904695] [2022-03-01 16:51:53,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:51:53,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:51:53,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:51:53,686 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:51:53,686 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:51:53,686 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [509904695] [2022-03-01 16:51:53,686 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [509904695] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:51:53,686 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:51:53,686 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:51:53,687 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [22933786] [2022-03-01 16:51:53,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:51:53,687 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:51:53,687 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:51:53,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:51:53,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:51:53,687 INFO L87 Difference]: Start difference. First operand 1675 states and 3133 transitions. Second operand has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:54,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:51:54,315 INFO L93 Difference]: Finished difference Result 1997 states and 3730 transitions. [2022-03-01 16:51:54,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-01 16:51:54,315 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-03-01 16:51:54,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:51:54,317 INFO L225 Difference]: With dead ends: 1997 [2022-03-01 16:51:54,317 INFO L226 Difference]: Without dead ends: 1969 [2022-03-01 16:51:54,317 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 3 SyntacticMatches, 5 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=90, Invalid=182, Unknown=0, NotChecked=0, Total=272 [2022-03-01 16:51:54,318 INFO L933 BasicCegarLoop]: 186 mSDtfsCounter, 205 mSDsluCounter, 534 mSDsCounter, 0 mSdLazyCounter, 521 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 205 SdHoareTripleChecker+Valid, 717 SdHoareTripleChecker+Invalid, 606 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 521 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:51:54,318 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [205 Valid, 717 Invalid, 606 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 521 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-01 16:51:54,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1969 states. [2022-03-01 16:51:54,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1969 to 1639. [2022-03-01 16:51:54,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1639 states, 1632 states have (on average 1.8756127450980393) internal successors, (3061), 1638 states have internal predecessors, (3061), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:54,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1639 states to 1639 states and 3061 transitions. [2022-03-01 16:51:54,331 INFO L78 Accepts]: Start accepts. Automaton has 1639 states and 3061 transitions. Word has length 114 [2022-03-01 16:51:54,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:51:54,331 INFO L470 AbstractCegarLoop]: Abstraction has 1639 states and 3061 transitions. [2022-03-01 16:51:54,331 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:54,331 INFO L276 IsEmpty]: Start isEmpty. Operand 1639 states and 3061 transitions. [2022-03-01 16:51:54,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-03-01 16:51:54,333 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:51:54,333 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:51:54,333 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable113 [2022-03-01 16:51:54,333 INFO L402 AbstractCegarLoop]: === Iteration 115 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:51:54,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:51:54,333 INFO L85 PathProgramCache]: Analyzing trace with hash -121229007, now seen corresponding path program 6 times [2022-03-01 16:51:54,333 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:51:54,333 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517192475] [2022-03-01 16:51:54,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:51:54,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:51:54,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:51:55,030 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:51:55,030 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:51:55,030 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1517192475] [2022-03-01 16:51:55,030 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1517192475] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:51:55,031 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:51:55,031 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:51:55,031 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992797213] [2022-03-01 16:51:55,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:51:55,031 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:51:55,031 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:51:55,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:51:55,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:51:55,031 INFO L87 Difference]: Start difference. First operand 1639 states and 3061 transitions. Second operand has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:55,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:51:55,895 INFO L93 Difference]: Finished difference Result 2220 states and 4146 transitions. [2022-03-01 16:51:55,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-03-01 16:51:55,896 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-03-01 16:51:55,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:51:55,899 INFO L225 Difference]: With dead ends: 2220 [2022-03-01 16:51:55,899 INFO L226 Difference]: Without dead ends: 2206 [2022-03-01 16:51:55,899 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 4 SyntacticMatches, 4 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=127, Invalid=253, Unknown=0, NotChecked=0, Total=380 [2022-03-01 16:51:55,899 INFO L933 BasicCegarLoop]: 188 mSDtfsCounter, 227 mSDsluCounter, 542 mSDsCounter, 0 mSdLazyCounter, 640 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 227 SdHoareTripleChecker+Valid, 728 SdHoareTripleChecker+Invalid, 742 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 640 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-03-01 16:51:55,900 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [227 Valid, 728 Invalid, 742 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 640 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-01 16:51:55,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2206 states. [2022-03-01 16:51:55,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2206 to 1639. [2022-03-01 16:51:55,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1639 states, 1632 states have (on average 1.8756127450980393) internal successors, (3061), 1638 states have internal predecessors, (3061), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:55,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1639 states to 1639 states and 3061 transitions. [2022-03-01 16:51:55,920 INFO L78 Accepts]: Start accepts. Automaton has 1639 states and 3061 transitions. Word has length 114 [2022-03-01 16:51:55,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:51:55,920 INFO L470 AbstractCegarLoop]: Abstraction has 1639 states and 3061 transitions. [2022-03-01 16:51:55,920 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:55,920 INFO L276 IsEmpty]: Start isEmpty. Operand 1639 states and 3061 transitions. [2022-03-01 16:51:55,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-03-01 16:51:55,922 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:51:55,922 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:51:55,922 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable114 [2022-03-01 16:51:55,922 INFO L402 AbstractCegarLoop]: === Iteration 116 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:51:55,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:51:55,922 INFO L85 PathProgramCache]: Analyzing trace with hash 75959459, now seen corresponding path program 7 times [2022-03-01 16:51:55,923 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:51:55,923 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1022215176] [2022-03-01 16:51:55,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:51:55,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:51:55,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:51:56,549 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:51:56,549 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:51:56,549 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1022215176] [2022-03-01 16:51:56,550 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1022215176] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:51:56,550 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:51:56,550 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:51:56,550 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369009003] [2022-03-01 16:51:56,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:51:56,550 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:51:56,550 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:51:56,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:51:56,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:51:56,551 INFO L87 Difference]: Start difference. First operand 1639 states and 3061 transitions. Second operand has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:57,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:51:57,141 INFO L93 Difference]: Finished difference Result 1928 states and 3594 transitions. [2022-03-01 16:51:57,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-01 16:51:57,142 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-03-01 16:51:57,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:51:57,145 INFO L225 Difference]: With dead ends: 1928 [2022-03-01 16:51:57,145 INFO L226 Difference]: Without dead ends: 1907 [2022-03-01 16:51:57,145 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 4 SyntacticMatches, 4 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=81, Invalid=159, Unknown=0, NotChecked=0, Total=240 [2022-03-01 16:51:57,145 INFO L933 BasicCegarLoop]: 193 mSDtfsCounter, 207 mSDsluCounter, 565 mSDsCounter, 0 mSdLazyCounter, 504 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 207 SdHoareTripleChecker+Valid, 755 SdHoareTripleChecker+Invalid, 580 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 504 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:51:57,145 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [207 Valid, 755 Invalid, 580 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 504 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-01 16:51:57,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1907 states. [2022-03-01 16:51:57,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1907 to 1623. [2022-03-01 16:51:57,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1623 states, 1616 states have (on average 1.874381188118812) internal successors, (3029), 1622 states have internal predecessors, (3029), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:57,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1623 states to 1623 states and 3029 transitions. [2022-03-01 16:51:57,163 INFO L78 Accepts]: Start accepts. Automaton has 1623 states and 3029 transitions. Word has length 114 [2022-03-01 16:51:57,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:51:57,164 INFO L470 AbstractCegarLoop]: Abstraction has 1623 states and 3029 transitions. [2022-03-01 16:51:57,164 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:57,164 INFO L276 IsEmpty]: Start isEmpty. Operand 1623 states and 3029 transitions. [2022-03-01 16:51:57,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-03-01 16:51:57,166 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:51:57,166 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:51:57,166 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable115 [2022-03-01 16:51:57,166 INFO L402 AbstractCegarLoop]: === Iteration 117 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:51:57,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:51:57,166 INFO L85 PathProgramCache]: Analyzing trace with hash 2081919525, now seen corresponding path program 8 times [2022-03-01 16:51:57,166 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:51:57,167 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2085294335] [2022-03-01 16:51:57,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:51:57,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:51:57,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:51:57,801 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:51:57,801 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:51:57,801 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2085294335] [2022-03-01 16:51:57,801 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2085294335] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:51:57,802 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:51:57,802 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:51:57,802 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1495510378] [2022-03-01 16:51:57,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:51:57,802 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:51:57,802 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:51:57,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:51:57,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:51:57,803 INFO L87 Difference]: Start difference. First operand 1623 states and 3029 transitions. Second operand has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:58,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:51:58,655 INFO L93 Difference]: Finished difference Result 2125 states and 3953 transitions. [2022-03-01 16:51:58,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-03-01 16:51:58,655 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-03-01 16:51:58,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:51:58,657 INFO L225 Difference]: With dead ends: 2125 [2022-03-01 16:51:58,657 INFO L226 Difference]: Without dead ends: 2111 [2022-03-01 16:51:58,658 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 4 SyntacticMatches, 4 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=114, Invalid=228, Unknown=0, NotChecked=0, Total=342 [2022-03-01 16:51:58,658 INFO L933 BasicCegarLoop]: 194 mSDtfsCounter, 228 mSDsluCounter, 598 mSDsCounter, 0 mSdLazyCounter, 667 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 228 SdHoareTripleChecker+Valid, 790 SdHoareTripleChecker+Invalid, 755 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 667 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-03-01 16:51:58,658 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [228 Valid, 790 Invalid, 755 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 667 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-01 16:51:58,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2111 states. [2022-03-01 16:51:58,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2111 to 1621. [2022-03-01 16:51:58,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1621 states, 1614 states have (on average 1.8742255266418835) internal successors, (3025), 1620 states have internal predecessors, (3025), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:58,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1621 states to 1621 states and 3025 transitions. [2022-03-01 16:51:58,672 INFO L78 Accepts]: Start accepts. Automaton has 1621 states and 3025 transitions. Word has length 114 [2022-03-01 16:51:58,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:51:58,672 INFO L470 AbstractCegarLoop]: Abstraction has 1621 states and 3025 transitions. [2022-03-01 16:51:58,672 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:58,672 INFO L276 IsEmpty]: Start isEmpty. Operand 1621 states and 3025 transitions. [2022-03-01 16:51:58,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-03-01 16:51:58,673 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:51:58,673 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:51:58,673 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable116 [2022-03-01 16:51:58,673 INFO L402 AbstractCegarLoop]: === Iteration 118 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:51:58,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:51:58,674 INFO L85 PathProgramCache]: Analyzing trace with hash 277819777, now seen corresponding path program 9 times [2022-03-01 16:51:58,674 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:51:58,674 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1088350046] [2022-03-01 16:51:58,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:51:58,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:51:58,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:51:59,210 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:51:59,211 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:51:59,211 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1088350046] [2022-03-01 16:51:59,211 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1088350046] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:51:59,211 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:51:59,211 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:51:59,211 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837784366] [2022-03-01 16:51:59,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:51:59,211 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:51:59,211 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:51:59,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:51:59,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:51:59,212 INFO L87 Difference]: Start difference. First operand 1621 states and 3025 transitions. Second operand has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:59,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:51:59,889 INFO L93 Difference]: Finished difference Result 1809 states and 3367 transitions. [2022-03-01 16:51:59,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-01 16:51:59,890 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-03-01 16:51:59,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:51:59,891 INFO L225 Difference]: With dead ends: 1809 [2022-03-01 16:51:59,891 INFO L226 Difference]: Without dead ends: 1795 [2022-03-01 16:51:59,892 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 4 SyntacticMatches, 4 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=74, Invalid=136, Unknown=0, NotChecked=0, Total=210 [2022-03-01 16:51:59,892 INFO L933 BasicCegarLoop]: 208 mSDtfsCounter, 182 mSDsluCounter, 809 mSDsCounter, 0 mSdLazyCounter, 706 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 1014 SdHoareTripleChecker+Invalid, 763 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 706 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-03-01 16:51:59,892 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [182 Valid, 1014 Invalid, 763 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 706 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-01 16:51:59,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1795 states. [2022-03-01 16:51:59,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1795 to 1589. [2022-03-01 16:51:59,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1589 states, 1582 states have (on average 1.8710493046776233) internal successors, (2960), 1588 states have internal predecessors, (2960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:59,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1589 states to 1589 states and 2960 transitions. [2022-03-01 16:51:59,905 INFO L78 Accepts]: Start accepts. Automaton has 1589 states and 2960 transitions. Word has length 114 [2022-03-01 16:51:59,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:51:59,905 INFO L470 AbstractCegarLoop]: Abstraction has 1589 states and 2960 transitions. [2022-03-01 16:51:59,905 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:59,905 INFO L276 IsEmpty]: Start isEmpty. Operand 1589 states and 2960 transitions. [2022-03-01 16:51:59,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-03-01 16:51:59,906 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:51:59,907 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:51:59,907 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable117 [2022-03-01 16:51:59,907 INFO L402 AbstractCegarLoop]: === Iteration 119 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:51:59,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:51:59,907 INFO L85 PathProgramCache]: Analyzing trace with hash -633836338, now seen corresponding path program 10 times [2022-03-01 16:51:59,907 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:51:59,907 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1772172035] [2022-03-01 16:51:59,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:51:59,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:51:59,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:52:00,201 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:52:00,201 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:52:00,202 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1772172035] [2022-03-01 16:52:00,202 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1772172035] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:52:00,202 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:52:00,202 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:52:00,202 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1849480044] [2022-03-01 16:52:00,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:52:00,202 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:52:00,202 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:52:00,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:52:00,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:52:00,202 INFO L87 Difference]: Start difference. First operand 1589 states and 2960 transitions. Second operand has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:00,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:52:00,575 INFO L93 Difference]: Finished difference Result 1686 states and 3126 transitions. [2022-03-01 16:52:00,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-01 16:52:00,575 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-03-01 16:52:00,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:52:00,577 INFO L225 Difference]: With dead ends: 1686 [2022-03-01 16:52:00,577 INFO L226 Difference]: Without dead ends: 1686 [2022-03-01 16:52:00,577 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=81, Invalid=159, Unknown=0, NotChecked=0, Total=240 [2022-03-01 16:52:00,577 INFO L933 BasicCegarLoop]: 143 mSDtfsCounter, 103 mSDsluCounter, 404 mSDsCounter, 0 mSdLazyCounter, 408 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 545 SdHoareTripleChecker+Invalid, 440 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 408 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-01 16:52:00,577 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [103 Valid, 545 Invalid, 440 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 408 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-01 16:52:00,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1686 states. [2022-03-01 16:52:00,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1686 to 1599. [2022-03-01 16:52:00,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1599 states, 1592 states have (on average 1.8718592964824121) internal successors, (2980), 1598 states have internal predecessors, (2980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:00,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1599 states to 1599 states and 2980 transitions. [2022-03-01 16:52:00,590 INFO L78 Accepts]: Start accepts. Automaton has 1599 states and 2980 transitions. Word has length 114 [2022-03-01 16:52:00,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:52:00,590 INFO L470 AbstractCegarLoop]: Abstraction has 1599 states and 2980 transitions. [2022-03-01 16:52:00,590 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:00,590 INFO L276 IsEmpty]: Start isEmpty. Operand 1599 states and 2980 transitions. [2022-03-01 16:52:00,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-03-01 16:52:00,591 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:52:00,591 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:52:00,592 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable118 [2022-03-01 16:52:00,592 INFO L402 AbstractCegarLoop]: === Iteration 120 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:52:00,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:52:00,592 INFO L85 PathProgramCache]: Analyzing trace with hash 1038235218, now seen corresponding path program 11 times [2022-03-01 16:52:00,592 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:52:00,592 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [591301367] [2022-03-01 16:52:00,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:52:00,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:52:00,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:52:00,932 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:52:00,933 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:52:00,933 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [591301367] [2022-03-01 16:52:00,933 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [591301367] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:52:00,933 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:52:00,933 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:52:00,933 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [597377685] [2022-03-01 16:52:00,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:52:00,933 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:52:00,933 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:52:00,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:52:00,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:52:00,934 INFO L87 Difference]: Start difference. First operand 1599 states and 2980 transitions. Second operand has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:01,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:52:01,355 INFO L93 Difference]: Finished difference Result 1681 states and 3117 transitions. [2022-03-01 16:52:01,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-01 16:52:01,356 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-03-01 16:52:01,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:52:01,357 INFO L225 Difference]: With dead ends: 1681 [2022-03-01 16:52:01,357 INFO L226 Difference]: Without dead ends: 1681 [2022-03-01 16:52:01,357 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=81, Invalid=159, Unknown=0, NotChecked=0, Total=240 [2022-03-01 16:52:01,358 INFO L933 BasicCegarLoop]: 143 mSDtfsCounter, 98 mSDsluCounter, 536 mSDsCounter, 0 mSdLazyCounter, 494 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 676 SdHoareTripleChecker+Invalid, 523 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 494 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:52:01,358 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [98 Valid, 676 Invalid, 523 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 494 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-01 16:52:01,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1681 states. [2022-03-01 16:52:01,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1681 to 1581. [2022-03-01 16:52:01,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1581 states, 1574 states have (on average 1.8703939008894537) internal successors, (2944), 1580 states have internal predecessors, (2944), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:01,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1581 states to 1581 states and 2944 transitions. [2022-03-01 16:52:01,374 INFO L78 Accepts]: Start accepts. Automaton has 1581 states and 2944 transitions. Word has length 114 [2022-03-01 16:52:01,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:52:01,374 INFO L470 AbstractCegarLoop]: Abstraction has 1581 states and 2944 transitions. [2022-03-01 16:52:01,374 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:01,374 INFO L276 IsEmpty]: Start isEmpty. Operand 1581 states and 2944 transitions. [2022-03-01 16:52:01,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-03-01 16:52:01,376 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:52:01,376 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:52:01,376 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable119 [2022-03-01 16:52:01,376 INFO L402 AbstractCegarLoop]: === Iteration 121 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:52:01,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:52:01,376 INFO L85 PathProgramCache]: Analyzing trace with hash -1891599700, now seen corresponding path program 12 times [2022-03-01 16:52:01,377 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:52:01,377 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1310802931] [2022-03-01 16:52:01,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:52:01,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:52:01,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:52:01,770 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:52:01,770 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:52:01,770 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1310802931] [2022-03-01 16:52:01,770 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1310802931] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:52:01,771 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:52:01,771 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:52:01,771 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427229874] [2022-03-01 16:52:01,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:52:01,771 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:52:01,771 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:52:01,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:52:01,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:52:01,771 INFO L87 Difference]: Start difference. First operand 1581 states and 2944 transitions. Second operand has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:02,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:52:02,301 INFO L93 Difference]: Finished difference Result 1723 states and 3186 transitions. [2022-03-01 16:52:02,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-01 16:52:02,302 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-03-01 16:52:02,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:52:02,303 INFO L225 Difference]: With dead ends: 1723 [2022-03-01 16:52:02,303 INFO L226 Difference]: Without dead ends: 1723 [2022-03-01 16:52:02,303 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=100, Invalid=206, Unknown=0, NotChecked=0, Total=306 [2022-03-01 16:52:02,303 INFO L933 BasicCegarLoop]: 147 mSDtfsCounter, 107 mSDsluCounter, 494 mSDsCounter, 0 mSdLazyCounter, 497 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 639 SdHoareTripleChecker+Invalid, 536 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 497 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:52:02,304 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [107 Valid, 639 Invalid, 536 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 497 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-01 16:52:02,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1723 states. [2022-03-01 16:52:02,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1723 to 1582. [2022-03-01 16:52:02,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1582 states, 1575 states have (on average 1.8704761904761904) internal successors, (2946), 1581 states have internal predecessors, (2946), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:02,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1582 states to 1582 states and 2946 transitions. [2022-03-01 16:52:02,316 INFO L78 Accepts]: Start accepts. Automaton has 1582 states and 2946 transitions. Word has length 114 [2022-03-01 16:52:02,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:52:02,316 INFO L470 AbstractCegarLoop]: Abstraction has 1582 states and 2946 transitions. [2022-03-01 16:52:02,316 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:02,316 INFO L276 IsEmpty]: Start isEmpty. Operand 1582 states and 2946 transitions. [2022-03-01 16:52:02,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-03-01 16:52:02,317 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:52:02,317 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:52:02,317 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable120 [2022-03-01 16:52:02,317 INFO L402 AbstractCegarLoop]: === Iteration 122 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:52:02,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:52:02,317 INFO L85 PathProgramCache]: Analyzing trace with hash -757357396, now seen corresponding path program 13 times [2022-03-01 16:52:02,317 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:52:02,317 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127374750] [2022-03-01 16:52:02,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:52:02,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:52:02,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:52:02,846 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:52:02,847 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:52:02,847 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [127374750] [2022-03-01 16:52:02,847 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [127374750] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:52:02,847 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:52:02,847 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:52:02,847 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [189133862] [2022-03-01 16:52:02,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:52:02,847 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:52:02,847 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:52:02,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:52:02,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:52:02,848 INFO L87 Difference]: Start difference. First operand 1582 states and 2946 transitions. Second operand has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:03,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:52:03,506 INFO L93 Difference]: Finished difference Result 1707 states and 3154 transitions. [2022-03-01 16:52:03,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-03-01 16:52:03,506 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-03-01 16:52:03,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:52:03,508 INFO L225 Difference]: With dead ends: 1707 [2022-03-01 16:52:03,508 INFO L226 Difference]: Without dead ends: 1707 [2022-03-01 16:52:03,508 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=123, Invalid=257, Unknown=0, NotChecked=0, Total=380 [2022-03-01 16:52:03,509 INFO L933 BasicCegarLoop]: 147 mSDtfsCounter, 100 mSDsluCounter, 552 mSDsCounter, 0 mSdLazyCounter, 524 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 696 SdHoareTripleChecker+Invalid, 561 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 524 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:52:03,509 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [100 Valid, 696 Invalid, 561 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 524 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-01 16:52:03,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1707 states. [2022-03-01 16:52:03,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1707 to 1583. [2022-03-01 16:52:03,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1583 states, 1576 states have (on average 1.8705583756345177) internal successors, (2948), 1582 states have internal predecessors, (2948), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:03,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1583 states to 1583 states and 2948 transitions. [2022-03-01 16:52:03,521 INFO L78 Accepts]: Start accepts. Automaton has 1583 states and 2948 transitions. Word has length 114 [2022-03-01 16:52:03,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:52:03,521 INFO L470 AbstractCegarLoop]: Abstraction has 1583 states and 2948 transitions. [2022-03-01 16:52:03,521 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:03,521 INFO L276 IsEmpty]: Start isEmpty. Operand 1583 states and 2948 transitions. [2022-03-01 16:52:03,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-03-01 16:52:03,522 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:52:03,522 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:52:03,522 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable121 [2022-03-01 16:52:03,522 INFO L402 AbstractCegarLoop]: === Iteration 123 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:52:03,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:52:03,523 INFO L85 PathProgramCache]: Analyzing trace with hash 869338218, now seen corresponding path program 14 times [2022-03-01 16:52:03,523 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:52:03,523 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [69647401] [2022-03-01 16:52:03,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:52:03,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:52:03,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:52:04,009 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:52:04,010 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:52:04,010 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [69647401] [2022-03-01 16:52:04,010 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [69647401] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:52:04,010 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:52:04,010 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:52:04,010 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1926704159] [2022-03-01 16:52:04,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:52:04,010 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:52:04,010 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:52:04,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:52:04,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:52:04,011 INFO L87 Difference]: Start difference. First operand 1583 states and 2948 transitions. Second operand has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:04,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:52:04,543 INFO L93 Difference]: Finished difference Result 1706 states and 3152 transitions. [2022-03-01 16:52:04,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-01 16:52:04,543 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-03-01 16:52:04,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:52:04,545 INFO L225 Difference]: With dead ends: 1706 [2022-03-01 16:52:04,545 INFO L226 Difference]: Without dead ends: 1706 [2022-03-01 16:52:04,545 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=111, Invalid=231, Unknown=0, NotChecked=0, Total=342 [2022-03-01 16:52:04,546 INFO L933 BasicCegarLoop]: 147 mSDtfsCounter, 98 mSDsluCounter, 454 mSDsCounter, 0 mSdLazyCounter, 431 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 598 SdHoareTripleChecker+Invalid, 468 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 431 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:52:04,546 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [98 Valid, 598 Invalid, 468 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 431 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-01 16:52:04,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1706 states. [2022-03-01 16:52:04,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1706 to 1580. [2022-03-01 16:52:04,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1580 states, 1573 states have (on average 1.870311506675143) internal successors, (2942), 1579 states have internal predecessors, (2942), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:04,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1580 states to 1580 states and 2942 transitions. [2022-03-01 16:52:04,558 INFO L78 Accepts]: Start accepts. Automaton has 1580 states and 2942 transitions. Word has length 114 [2022-03-01 16:52:04,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:52:04,558 INFO L470 AbstractCegarLoop]: Abstraction has 1580 states and 2942 transitions. [2022-03-01 16:52:04,558 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:04,558 INFO L276 IsEmpty]: Start isEmpty. Operand 1580 states and 2942 transitions. [2022-03-01 16:52:04,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-03-01 16:52:04,560 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:52:04,560 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:52:04,560 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable122 [2022-03-01 16:52:04,561 INFO L402 AbstractCegarLoop]: === Iteration 124 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:52:04,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:52:04,561 INFO L85 PathProgramCache]: Analyzing trace with hash -762537084, now seen corresponding path program 15 times [2022-03-01 16:52:04,561 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:52:04,561 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [88831971] [2022-03-01 16:52:04,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:52:04,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:52:04,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:52:04,892 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:52:04,892 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:52:04,892 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [88831971] [2022-03-01 16:52:04,892 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [88831971] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:52:04,892 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:52:04,892 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:52:04,893 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [835705880] [2022-03-01 16:52:04,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:52:04,893 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:52:04,893 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:52:04,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:52:04,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:52:04,893 INFO L87 Difference]: Start difference. First operand 1580 states and 2942 transitions. Second operand has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:05,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:52:05,367 INFO L93 Difference]: Finished difference Result 1662 states and 3081 transitions. [2022-03-01 16:52:05,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-01 16:52:05,368 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-03-01 16:52:05,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:52:05,369 INFO L225 Difference]: With dead ends: 1662 [2022-03-01 16:52:05,369 INFO L226 Difference]: Without dead ends: 1662 [2022-03-01 16:52:05,369 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=71, Invalid=139, Unknown=0, NotChecked=0, Total=210 [2022-03-01 16:52:05,369 INFO L933 BasicCegarLoop]: 157 mSDtfsCounter, 109 mSDsluCounter, 637 mSDsCounter, 0 mSdLazyCounter, 600 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 791 SdHoareTripleChecker+Invalid, 625 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 600 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:52:05,370 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [109 Valid, 791 Invalid, 625 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 600 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-01 16:52:05,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1662 states. [2022-03-01 16:52:05,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1662 to 1572. [2022-03-01 16:52:05,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1572 states, 1565 states have (on average 1.8696485623003194) internal successors, (2926), 1571 states have internal predecessors, (2926), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:05,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1572 states to 1572 states and 2926 transitions. [2022-03-01 16:52:05,381 INFO L78 Accepts]: Start accepts. Automaton has 1572 states and 2926 transitions. Word has length 114 [2022-03-01 16:52:05,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:52:05,381 INFO L470 AbstractCegarLoop]: Abstraction has 1572 states and 2926 transitions. [2022-03-01 16:52:05,381 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:05,382 INFO L276 IsEmpty]: Start isEmpty. Operand 1572 states and 2926 transitions. [2022-03-01 16:52:05,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-03-01 16:52:05,383 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:52:05,383 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:52:05,383 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable123 [2022-03-01 16:52:05,383 INFO L402 AbstractCegarLoop]: === Iteration 125 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:52:05,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:52:05,383 INFO L85 PathProgramCache]: Analyzing trace with hash 371705220, now seen corresponding path program 16 times [2022-03-01 16:52:05,383 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:52:05,383 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1912702890] [2022-03-01 16:52:05,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:52:05,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:52:05,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:52:05,823 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:52:05,823 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:52:05,823 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1912702890] [2022-03-01 16:52:05,823 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1912702890] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:52:05,823 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:52:05,823 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:52:05,823 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146967373] [2022-03-01 16:52:05,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:52:05,823 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:52:05,823 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:52:05,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:52:05,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:52:05,824 INFO L87 Difference]: Start difference. First operand 1572 states and 2926 transitions. Second operand has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:06,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:52:06,482 INFO L93 Difference]: Finished difference Result 1689 states and 3118 transitions. [2022-03-01 16:52:06,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-01 16:52:06,482 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-03-01 16:52:06,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:52:06,484 INFO L225 Difference]: With dead ends: 1689 [2022-03-01 16:52:06,484 INFO L226 Difference]: Without dead ends: 1689 [2022-03-01 16:52:06,484 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=98, Invalid=208, Unknown=0, NotChecked=0, Total=306 [2022-03-01 16:52:06,484 INFO L933 BasicCegarLoop]: 161 mSDtfsCounter, 116 mSDsluCounter, 645 mSDsCounter, 0 mSdLazyCounter, 630 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 803 SdHoareTripleChecker+Invalid, 660 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 630 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:52:06,484 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [116 Valid, 803 Invalid, 660 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 630 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-01 16:52:06,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1689 states. [2022-03-01 16:52:06,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1689 to 1573. [2022-03-01 16:52:06,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1573 states, 1566 states have (on average 1.8697318007662835) internal successors, (2928), 1572 states have internal predecessors, (2928), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:06,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1573 states to 1573 states and 2928 transitions. [2022-03-01 16:52:06,496 INFO L78 Accepts]: Start accepts. Automaton has 1573 states and 2928 transitions. Word has length 114 [2022-03-01 16:52:06,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:52:06,496 INFO L470 AbstractCegarLoop]: Abstraction has 1573 states and 2928 transitions. [2022-03-01 16:52:06,496 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:06,497 INFO L276 IsEmpty]: Start isEmpty. Operand 1573 states and 2928 transitions. [2022-03-01 16:52:06,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-03-01 16:52:06,498 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:52:06,498 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:52:06,498 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable124 [2022-03-01 16:52:06,498 INFO L402 AbstractCegarLoop]: === Iteration 126 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:52:06,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:52:06,498 INFO L85 PathProgramCache]: Analyzing trace with hash 1998400834, now seen corresponding path program 17 times [2022-03-01 16:52:06,498 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:52:06,498 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1759556579] [2022-03-01 16:52:06,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:52:06,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:52:06,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:52:06,923 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:52:06,924 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:52:06,924 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1759556579] [2022-03-01 16:52:06,924 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1759556579] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:52:06,924 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:52:06,924 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:52:06,924 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525471434] [2022-03-01 16:52:06,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:52:06,924 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:52:06,924 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:52:06,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:52:06,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:52:06,925 INFO L87 Difference]: Start difference. First operand 1573 states and 2928 transitions. Second operand has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:07,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:52:07,376 INFO L93 Difference]: Finished difference Result 1688 states and 3116 transitions. [2022-03-01 16:52:07,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-01 16:52:07,376 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-03-01 16:52:07,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:52:07,378 INFO L225 Difference]: With dead ends: 1688 [2022-03-01 16:52:07,378 INFO L226 Difference]: Without dead ends: 1688 [2022-03-01 16:52:07,378 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=88, Invalid=184, Unknown=0, NotChecked=0, Total=272 [2022-03-01 16:52:07,378 INFO L933 BasicCegarLoop]: 161 mSDtfsCounter, 123 mSDsluCounter, 366 mSDsCounter, 0 mSdLazyCounter, 376 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 525 SdHoareTripleChecker+Invalid, 415 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 376 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-01 16:52:07,379 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [123 Valid, 525 Invalid, 415 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 376 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-01 16:52:07,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1688 states. [2022-03-01 16:52:07,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1688 to 1571. [2022-03-01 16:52:07,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1571 states, 1564 states have (on average 1.8695652173913044) internal successors, (2924), 1570 states have internal predecessors, (2924), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:07,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1571 states to 1571 states and 2924 transitions. [2022-03-01 16:52:07,406 INFO L78 Accepts]: Start accepts. Automaton has 1571 states and 2924 transitions. Word has length 114 [2022-03-01 16:52:07,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:52:07,406 INFO L470 AbstractCegarLoop]: Abstraction has 1571 states and 2924 transitions. [2022-03-01 16:52:07,407 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:07,407 INFO L276 IsEmpty]: Start isEmpty. Operand 1571 states and 2924 transitions. [2022-03-01 16:52:07,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-03-01 16:52:07,408 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:52:07,408 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:52:07,408 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable125 [2022-03-01 16:52:07,408 INFO L402 AbstractCegarLoop]: === Iteration 127 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:52:07,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:52:07,409 INFO L85 PathProgramCache]: Analyzing trace with hash -486804394, now seen corresponding path program 18 times [2022-03-01 16:52:07,409 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:52:07,409 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1207847501] [2022-03-01 16:52:07,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:52:07,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:52:07,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:52:07,722 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:52:07,723 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:52:07,723 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1207847501] [2022-03-01 16:52:07,723 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1207847501] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:52:07,723 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:52:07,723 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:52:07,723 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640060114] [2022-03-01 16:52:07,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:52:07,723 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:52:07,723 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:52:07,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:52:07,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:52:07,724 INFO L87 Difference]: Start difference. First operand 1571 states and 2924 transitions. Second operand has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:08,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:52:08,228 INFO L93 Difference]: Finished difference Result 1636 states and 3037 transitions. [2022-03-01 16:52:08,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-01 16:52:08,229 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-03-01 16:52:08,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:52:08,230 INFO L225 Difference]: With dead ends: 1636 [2022-03-01 16:52:08,230 INFO L226 Difference]: Without dead ends: 1636 [2022-03-01 16:52:08,230 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=50, Invalid=82, Unknown=0, NotChecked=0, Total=132 [2022-03-01 16:52:08,231 INFO L933 BasicCegarLoop]: 185 mSDtfsCounter, 137 mSDsluCounter, 845 mSDsCounter, 0 mSdLazyCounter, 752 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 1025 SdHoareTripleChecker+Invalid, 768 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 752 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:52:08,231 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [137 Valid, 1025 Invalid, 768 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 752 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-01 16:52:08,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1636 states. [2022-03-01 16:52:08,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1636 to 1571. [2022-03-01 16:52:08,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1571 states, 1564 states have (on average 1.8695652173913044) internal successors, (2924), 1570 states have internal predecessors, (2924), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:08,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1571 states to 1571 states and 2924 transitions. [2022-03-01 16:52:08,243 INFO L78 Accepts]: Start accepts. Automaton has 1571 states and 2924 transitions. Word has length 114 [2022-03-01 16:52:08,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:52:08,243 INFO L470 AbstractCegarLoop]: Abstraction has 1571 states and 2924 transitions. [2022-03-01 16:52:08,243 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:08,243 INFO L276 IsEmpty]: Start isEmpty. Operand 1571 states and 2924 transitions. [2022-03-01 16:52:08,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-03-01 16:52:08,244 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:52:08,245 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:52:08,245 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable126 [2022-03-01 16:52:08,245 INFO L402 AbstractCegarLoop]: === Iteration 128 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:52:08,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:52:08,246 INFO L85 PathProgramCache]: Analyzing trace with hash 1589942, now seen corresponding path program 19 times [2022-03-01 16:52:08,246 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:52:08,246 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [161452605] [2022-03-01 16:52:08,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:52:08,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:52:08,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:52:08,647 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:52:08,647 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:52:08,647 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [161452605] [2022-03-01 16:52:08,647 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [161452605] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:52:08,647 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:52:08,648 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:52:08,648 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1854830603] [2022-03-01 16:52:08,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:52:08,648 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:52:08,648 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:52:08,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:52:08,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:52:08,649 INFO L87 Difference]: Start difference. First operand 1571 states and 2924 transitions. Second operand has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:09,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:52:09,184 INFO L93 Difference]: Finished difference Result 1654 states and 3056 transitions. [2022-03-01 16:52:09,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-01 16:52:09,184 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-03-01 16:52:09,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:52:09,186 INFO L225 Difference]: With dead ends: 1654 [2022-03-01 16:52:09,186 INFO L226 Difference]: Without dead ends: 1654 [2022-03-01 16:52:09,187 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=80, Invalid=160, Unknown=0, NotChecked=0, Total=240 [2022-03-01 16:52:09,187 INFO L933 BasicCegarLoop]: 189 mSDtfsCounter, 159 mSDsluCounter, 602 mSDsCounter, 0 mSdLazyCounter, 536 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 788 SdHoareTripleChecker+Invalid, 571 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 536 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:52:09,187 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [159 Valid, 788 Invalid, 571 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 536 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-01 16:52:09,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1654 states. [2022-03-01 16:52:09,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1654 to 1571. [2022-03-01 16:52:09,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1571 states, 1564 states have (on average 1.8695652173913044) internal successors, (2924), 1570 states have internal predecessors, (2924), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:09,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1571 states to 1571 states and 2924 transitions. [2022-03-01 16:52:09,200 INFO L78 Accepts]: Start accepts. Automaton has 1571 states and 2924 transitions. Word has length 114 [2022-03-01 16:52:09,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:52:09,201 INFO L470 AbstractCegarLoop]: Abstraction has 1571 states and 2924 transitions. [2022-03-01 16:52:09,201 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:09,201 INFO L276 IsEmpty]: Start isEmpty. Operand 1571 states and 2924 transitions. [2022-03-01 16:52:09,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-03-01 16:52:09,202 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:52:09,202 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:52:09,202 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable127 [2022-03-01 16:52:09,202 INFO L402 AbstractCegarLoop]: === Iteration 129 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:52:09,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:52:09,203 INFO L85 PathProgramCache]: Analyzing trace with hash 1628285556, now seen corresponding path program 20 times [2022-03-01 16:52:09,203 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:52:09,203 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [894498630] [2022-03-01 16:52:09,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:52:09,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:52:09,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:52:09,574 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:52:09,574 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:52:09,574 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [894498630] [2022-03-01 16:52:09,574 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [894498630] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:52:09,574 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:52:09,574 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:52:09,575 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [787785159] [2022-03-01 16:52:09,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:52:09,575 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:52:09,575 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:52:09,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:52:09,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:52:09,575 INFO L87 Difference]: Start difference. First operand 1571 states and 2924 transitions. Second operand has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:10,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:52:10,068 INFO L93 Difference]: Finished difference Result 1644 states and 3045 transitions. [2022-03-01 16:52:10,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-01 16:52:10,068 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-03-01 16:52:10,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:52:10,070 INFO L225 Difference]: With dead ends: 1644 [2022-03-01 16:52:10,070 INFO L226 Difference]: Without dead ends: 1644 [2022-03-01 16:52:10,070 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=74, Invalid=136, Unknown=0, NotChecked=0, Total=210 [2022-03-01 16:52:10,070 INFO L933 BasicCegarLoop]: 189 mSDtfsCounter, 151 mSDsluCounter, 587 mSDsCounter, 0 mSdLazyCounter, 577 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 774 SdHoareTripleChecker+Invalid, 604 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 577 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:52:10,070 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [151 Valid, 774 Invalid, 604 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 577 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-01 16:52:10,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1644 states. [2022-03-01 16:52:10,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1644 to 1562. [2022-03-01 16:52:10,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1562 states, 1555 states have (on average 1.8688102893890675) internal successors, (2906), 1561 states have internal predecessors, (2906), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:10,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1562 states to 1562 states and 2906 transitions. [2022-03-01 16:52:10,082 INFO L78 Accepts]: Start accepts. Automaton has 1562 states and 2906 transitions. Word has length 114 [2022-03-01 16:52:10,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:52:10,083 INFO L470 AbstractCegarLoop]: Abstraction has 1562 states and 2906 transitions. [2022-03-01 16:52:10,083 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:10,083 INFO L276 IsEmpty]: Start isEmpty. Operand 1562 states and 2906 transitions. [2022-03-01 16:52:10,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-03-01 16:52:10,084 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:52:10,084 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:52:10,084 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable128 [2022-03-01 16:52:10,084 INFO L402 AbstractCegarLoop]: === Iteration 130 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:52:10,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:52:10,084 INFO L85 PathProgramCache]: Analyzing trace with hash -1291602263, now seen corresponding path program 10 times [2022-03-01 16:52:10,084 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:52:10,084 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [976799834] [2022-03-01 16:52:10,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:52:10,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:52:10,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:52:10,511 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:52:10,511 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:52:10,511 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [976799834] [2022-03-01 16:52:10,511 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [976799834] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:52:10,511 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:52:10,511 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:52:10,511 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1648027597] [2022-03-01 16:52:10,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:52:10,512 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:52:10,512 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:52:10,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:52:10,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:52:10,512 INFO L87 Difference]: Start difference. First operand 1562 states and 2906 transitions. Second operand has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:10,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:52:10,948 INFO L93 Difference]: Finished difference Result 1909 states and 3522 transitions. [2022-03-01 16:52:10,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-01 16:52:10,948 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-03-01 16:52:10,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:52:10,950 INFO L225 Difference]: With dead ends: 1909 [2022-03-01 16:52:10,950 INFO L226 Difference]: Without dead ends: 1909 [2022-03-01 16:52:10,950 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=60, Invalid=96, Unknown=0, NotChecked=0, Total=156 [2022-03-01 16:52:10,950 INFO L933 BasicCegarLoop]: 135 mSDtfsCounter, 255 mSDsluCounter, 365 mSDsCounter, 0 mSdLazyCounter, 505 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 255 SdHoareTripleChecker+Valid, 499 SdHoareTripleChecker+Invalid, 552 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 505 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:52:10,951 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [255 Valid, 499 Invalid, 552 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 505 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-01 16:52:10,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1909 states. [2022-03-01 16:52:10,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1909 to 1588. [2022-03-01 16:52:10,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1588 states, 1581 states have (on average 1.8709677419354838) internal successors, (2958), 1587 states have internal predecessors, (2958), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:10,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1588 states to 1588 states and 2958 transitions. [2022-03-01 16:52:10,963 INFO L78 Accepts]: Start accepts. Automaton has 1588 states and 2958 transitions. Word has length 114 [2022-03-01 16:52:10,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:52:10,964 INFO L470 AbstractCegarLoop]: Abstraction has 1588 states and 2958 transitions. [2022-03-01 16:52:10,964 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:10,964 INFO L276 IsEmpty]: Start isEmpty. Operand 1588 states and 2958 transitions. [2022-03-01 16:52:10,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-03-01 16:52:10,965 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:52:10,965 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:52:10,965 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable129 [2022-03-01 16:52:10,965 INFO L402 AbstractCegarLoop]: === Iteration 131 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:52:10,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:52:10,965 INFO L85 PathProgramCache]: Analyzing trace with hash 198793860, now seen corresponding path program 3 times [2022-03-01 16:52:10,965 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:52:10,965 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1540431257] [2022-03-01 16:52:10,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:52:10,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:52:10,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:52:11,234 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:52:11,235 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:52:11,235 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1540431257] [2022-03-01 16:52:11,235 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1540431257] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:52:11,235 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:52:11,235 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:52:11,235 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602242486] [2022-03-01 16:52:11,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:52:11,235 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:52:11,235 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:52:11,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:52:11,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:52:11,236 INFO L87 Difference]: Start difference. First operand 1588 states and 2958 transitions. Second operand has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:11,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:52:11,579 INFO L93 Difference]: Finished difference Result 1908 states and 3518 transitions. [2022-03-01 16:52:11,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-01 16:52:11,580 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-03-01 16:52:11,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:52:11,581 INFO L225 Difference]: With dead ends: 1908 [2022-03-01 16:52:11,582 INFO L226 Difference]: Without dead ends: 1908 [2022-03-01 16:52:11,582 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2022-03-01 16:52:11,582 INFO L933 BasicCegarLoop]: 115 mSDtfsCounter, 195 mSDsluCounter, 278 mSDsCounter, 0 mSdLazyCounter, 499 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 195 SdHoareTripleChecker+Valid, 393 SdHoareTripleChecker+Invalid, 529 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 499 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:52:11,582 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [195 Valid, 393 Invalid, 529 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 499 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-01 16:52:11,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1908 states. [2022-03-01 16:52:11,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1908 to 1585. [2022-03-01 16:52:11,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1585 states, 1578 states have (on average 1.870722433460076) internal successors, (2952), 1584 states have internal predecessors, (2952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:11,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1585 states to 1585 states and 2952 transitions. [2022-03-01 16:52:11,596 INFO L78 Accepts]: Start accepts. Automaton has 1585 states and 2952 transitions. Word has length 114 [2022-03-01 16:52:11,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:52:11,596 INFO L470 AbstractCegarLoop]: Abstraction has 1585 states and 2952 transitions. [2022-03-01 16:52:11,596 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:11,596 INFO L276 IsEmpty]: Start isEmpty. Operand 1585 states and 2952 transitions. [2022-03-01 16:52:11,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-03-01 16:52:11,597 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:52:11,597 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:52:11,597 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable130 [2022-03-01 16:52:11,597 INFO L402 AbstractCegarLoop]: === Iteration 132 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:52:11,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:52:11,597 INFO L85 PathProgramCache]: Analyzing trace with hash -1095055970, now seen corresponding path program 4 times [2022-03-01 16:52:11,597 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:52:11,598 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677215110] [2022-03-01 16:52:11,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:52:11,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:52:11,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:52:11,962 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:52:11,962 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:52:11,962 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1677215110] [2022-03-01 16:52:11,962 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1677215110] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:52:11,962 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:52:11,962 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:52:11,962 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431476774] [2022-03-01 16:52:11,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:52:11,963 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:52:11,963 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:52:11,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:52:11,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:52:11,963 INFO L87 Difference]: Start difference. First operand 1585 states and 2952 transitions. Second operand has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:12,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:52:12,399 INFO L93 Difference]: Finished difference Result 1894 states and 3490 transitions. [2022-03-01 16:52:12,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-01 16:52:12,399 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-03-01 16:52:12,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:52:12,401 INFO L225 Difference]: With dead ends: 1894 [2022-03-01 16:52:12,401 INFO L226 Difference]: Without dead ends: 1894 [2022-03-01 16:52:12,401 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=54, Invalid=78, Unknown=0, NotChecked=0, Total=132 [2022-03-01 16:52:12,402 INFO L933 BasicCegarLoop]: 115 mSDtfsCounter, 221 mSDsluCounter, 292 mSDsCounter, 0 mSdLazyCounter, 552 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 221 SdHoareTripleChecker+Valid, 407 SdHoareTripleChecker+Invalid, 580 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 552 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:52:12,402 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [221 Valid, 407 Invalid, 580 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 552 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-01 16:52:12,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1894 states. [2022-03-01 16:52:12,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1894 to 1561. [2022-03-01 16:52:12,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1561 states, 1554 states have (on average 1.8706563706563706) internal successors, (2907), 1560 states have internal predecessors, (2907), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:12,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1561 states to 1561 states and 2907 transitions. [2022-03-01 16:52:12,424 INFO L78 Accepts]: Start accepts. Automaton has 1561 states and 2907 transitions. Word has length 114 [2022-03-01 16:52:12,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:52:12,425 INFO L470 AbstractCegarLoop]: Abstraction has 1561 states and 2907 transitions. [2022-03-01 16:52:12,425 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:12,425 INFO L276 IsEmpty]: Start isEmpty. Operand 1561 states and 2907 transitions. [2022-03-01 16:52:12,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-03-01 16:52:12,426 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:52:12,426 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:52:12,426 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable131 [2022-03-01 16:52:12,426 INFO L402 AbstractCegarLoop]: === Iteration 133 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:52:12,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:52:12,426 INFO L85 PathProgramCache]: Analyzing trace with hash -792364937, now seen corresponding path program 2 times [2022-03-01 16:52:12,427 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:52:12,427 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [540931303] [2022-03-01 16:52:12,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:52:12,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:52:12,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:52:13,239 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:52:13,239 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:52:13,240 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [540931303] [2022-03-01 16:52:13,240 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [540931303] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:52:13,240 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:52:13,240 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-03-01 16:52:13,240 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089671665] [2022-03-01 16:52:13,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:52:13,240 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-03-01 16:52:13,240 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:52:13,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-03-01 16:52:13,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2022-03-01 16:52:13,240 INFO L87 Difference]: Start difference. First operand 1561 states and 2907 transitions. Second operand has 11 states, 10 states have (on average 6.9) internal successors, (69), 11 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:13,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:52:13,858 INFO L93 Difference]: Finished difference Result 2012 states and 3715 transitions. [2022-03-01 16:52:13,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-01 16:52:13,858 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.9) internal successors, (69), 11 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-03-01 16:52:13,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:52:13,860 INFO L225 Difference]: With dead ends: 2012 [2022-03-01 16:52:13,860 INFO L226 Difference]: Without dead ends: 1968 [2022-03-01 16:52:13,860 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2022-03-01 16:52:13,860 INFO L933 BasicCegarLoop]: 142 mSDtfsCounter, 295 mSDsluCounter, 465 mSDsCounter, 0 mSdLazyCounter, 730 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 295 SdHoareTripleChecker+Valid, 607 SdHoareTripleChecker+Invalid, 788 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 730 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-03-01 16:52:13,860 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [295 Valid, 607 Invalid, 788 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 730 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-01 16:52:13,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1968 states. [2022-03-01 16:52:13,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1968 to 1565. [2022-03-01 16:52:13,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1565 states, 1558 states have (on average 1.8703465982028242) internal successors, (2914), 1564 states have internal predecessors, (2914), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:13,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1565 states to 1565 states and 2914 transitions. [2022-03-01 16:52:13,874 INFO L78 Accepts]: Start accepts. Automaton has 1565 states and 2914 transitions. Word has length 114 [2022-03-01 16:52:13,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:52:13,874 INFO L470 AbstractCegarLoop]: Abstraction has 1565 states and 2914 transitions. [2022-03-01 16:52:13,874 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.9) internal successors, (69), 11 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:13,874 INFO L276 IsEmpty]: Start isEmpty. Operand 1565 states and 2914 transitions. [2022-03-01 16:52:13,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-03-01 16:52:13,875 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:52:13,875 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:52:13,875 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable132 [2022-03-01 16:52:13,875 INFO L402 AbstractCegarLoop]: === Iteration 134 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:52:13,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:52:13,875 INFO L85 PathProgramCache]: Analyzing trace with hash -1621402836, now seen corresponding path program 21 times [2022-03-01 16:52:13,875 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:52:13,875 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557039471] [2022-03-01 16:52:13,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:52:13,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:52:13,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:52:14,192 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:52:14,192 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:52:14,192 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1557039471] [2022-03-01 16:52:14,192 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1557039471] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:52:14,192 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:52:14,192 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:52:14,192 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946238438] [2022-03-01 16:52:14,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:52:14,193 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:52:14,193 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:52:14,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:52:14,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:52:14,193 INFO L87 Difference]: Start difference. First operand 1565 states and 2914 transitions. Second operand has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:14,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:52:14,536 INFO L93 Difference]: Finished difference Result 1941 states and 3573 transitions. [2022-03-01 16:52:14,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-01 16:52:14,536 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-03-01 16:52:14,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:52:14,538 INFO L225 Difference]: With dead ends: 1941 [2022-03-01 16:52:14,538 INFO L226 Difference]: Without dead ends: 1941 [2022-03-01 16:52:14,538 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2022-03-01 16:52:14,539 INFO L933 BasicCegarLoop]: 127 mSDtfsCounter, 211 mSDsluCounter, 298 mSDsCounter, 0 mSdLazyCounter, 528 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 211 SdHoareTripleChecker+Valid, 424 SdHoareTripleChecker+Invalid, 556 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 528 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:52:14,539 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [211 Valid, 424 Invalid, 556 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 528 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-01 16:52:14,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1941 states. [2022-03-01 16:52:14,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1941 to 1547. [2022-03-01 16:52:14,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1547 states, 1540 states have (on average 1.8688311688311687) internal successors, (2878), 1546 states have internal predecessors, (2878), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:14,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1547 states to 1547 states and 2878 transitions. [2022-03-01 16:52:14,552 INFO L78 Accepts]: Start accepts. Automaton has 1547 states and 2878 transitions. Word has length 114 [2022-03-01 16:52:14,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:52:14,552 INFO L470 AbstractCegarLoop]: Abstraction has 1547 states and 2878 transitions. [2022-03-01 16:52:14,552 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:14,552 INFO L276 IsEmpty]: Start isEmpty. Operand 1547 states and 2878 transitions. [2022-03-01 16:52:14,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-03-01 16:52:14,553 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:52:14,554 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:52:14,554 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable133 [2022-03-01 16:52:14,554 INFO L402 AbstractCegarLoop]: === Iteration 135 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:52:14,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:52:14,554 INFO L85 PathProgramCache]: Analyzing trace with hash -165592278, now seen corresponding path program 22 times [2022-03-01 16:52:14,554 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:52:14,554 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [299544399] [2022-03-01 16:52:14,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:52:14,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:52:14,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:52:14,924 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:52:14,924 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:52:14,924 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [299544399] [2022-03-01 16:52:14,924 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [299544399] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:52:14,924 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:52:14,925 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:52:14,925 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464856927] [2022-03-01 16:52:14,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:52:14,925 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:52:14,925 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:52:14,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:52:14,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:52:14,925 INFO L87 Difference]: Start difference. First operand 1547 states and 2878 transitions. Second operand has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:15,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:52:15,383 INFO L93 Difference]: Finished difference Result 1925 states and 3542 transitions. [2022-03-01 16:52:15,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-01 16:52:15,384 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-03-01 16:52:15,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:52:15,386 INFO L225 Difference]: With dead ends: 1925 [2022-03-01 16:52:15,386 INFO L226 Difference]: Without dead ends: 1925 [2022-03-01 16:52:15,386 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=54, Invalid=78, Unknown=0, NotChecked=0, Total=132 [2022-03-01 16:52:15,386 INFO L933 BasicCegarLoop]: 127 mSDtfsCounter, 217 mSDsluCounter, 435 mSDsCounter, 0 mSdLazyCounter, 620 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 217 SdHoareTripleChecker+Valid, 561 SdHoareTripleChecker+Invalid, 652 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 620 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:52:15,386 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [217 Valid, 561 Invalid, 652 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 620 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-01 16:52:15,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1925 states. [2022-03-01 16:52:15,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1925 to 1330. [2022-03-01 16:52:15,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1330 states, 1323 states have (on average 1.8518518518518519) internal successors, (2450), 1329 states have internal predecessors, (2450), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:15,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1330 states to 1330 states and 2450 transitions. [2022-03-01 16:52:15,397 INFO L78 Accepts]: Start accepts. Automaton has 1330 states and 2450 transitions. Word has length 114 [2022-03-01 16:52:15,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:52:15,397 INFO L470 AbstractCegarLoop]: Abstraction has 1330 states and 2450 transitions. [2022-03-01 16:52:15,397 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:15,397 INFO L276 IsEmpty]: Start isEmpty. Operand 1330 states and 2450 transitions. [2022-03-01 16:52:15,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-03-01 16:52:15,398 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:52:15,398 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:52:15,398 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable134 [2022-03-01 16:52:15,399 INFO L402 AbstractCegarLoop]: === Iteration 136 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:52:15,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:52:15,399 INFO L85 PathProgramCache]: Analyzing trace with hash -1262079851, now seen corresponding path program 3 times [2022-03-01 16:52:15,399 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:52:15,399 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353294015] [2022-03-01 16:52:15,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:52:15,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:52:15,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:52:16,253 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:52:16,254 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:52:16,254 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [353294015] [2022-03-01 16:52:16,254 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [353294015] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:52:16,254 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:52:16,254 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-03-01 16:52:16,254 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627100120] [2022-03-01 16:52:16,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:52:16,254 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-03-01 16:52:16,254 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:52:16,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-03-01 16:52:16,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2022-03-01 16:52:16,255 INFO L87 Difference]: Start difference. First operand 1330 states and 2450 transitions. Second operand has 11 states, 10 states have (on average 6.9) internal successors, (69), 11 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:16,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:52:16,810 INFO L93 Difference]: Finished difference Result 1547 states and 2854 transitions. [2022-03-01 16:52:16,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-01 16:52:16,810 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.9) internal successors, (69), 11 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-03-01 16:52:16,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:52:16,812 INFO L225 Difference]: With dead ends: 1547 [2022-03-01 16:52:16,812 INFO L226 Difference]: Without dead ends: 1503 [2022-03-01 16:52:16,812 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2022-03-01 16:52:16,812 INFO L933 BasicCegarLoop]: 136 mSDtfsCounter, 213 mSDsluCounter, 454 mSDsCounter, 0 mSdLazyCounter, 634 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 213 SdHoareTripleChecker+Valid, 590 SdHoareTripleChecker+Invalid, 700 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 634 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-03-01 16:52:16,812 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [213 Valid, 590 Invalid, 700 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 634 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-01 16:52:16,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1503 states. [2022-03-01 16:52:16,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1503 to 1304. [2022-03-01 16:52:16,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1304 states, 1297 states have (on average 1.8496530454895914) internal successors, (2399), 1303 states have internal predecessors, (2399), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:16,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1304 states to 1304 states and 2399 transitions. [2022-03-01 16:52:16,822 INFO L78 Accepts]: Start accepts. Automaton has 1304 states and 2399 transitions. Word has length 114 [2022-03-01 16:52:16,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:52:16,822 INFO L470 AbstractCegarLoop]: Abstraction has 1304 states and 2399 transitions. [2022-03-01 16:52:16,822 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.9) internal successors, (69), 11 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:16,822 INFO L276 IsEmpty]: Start isEmpty. Operand 1304 states and 2399 transitions. [2022-03-01 16:52:16,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-03-01 16:52:16,823 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:52:16,823 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:52:16,823 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable135 [2022-03-01 16:52:16,823 INFO L402 AbstractCegarLoop]: === Iteration 137 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:52:16,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:52:16,824 INFO L85 PathProgramCache]: Analyzing trace with hash 1735800633, now seen corresponding path program 4 times [2022-03-01 16:52:16,824 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:52:16,824 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [152347968] [2022-03-01 16:52:16,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:52:16,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:52:16,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:52:17,682 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:52:17,682 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:52:17,682 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [152347968] [2022-03-01 16:52:17,682 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [152347968] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:52:17,682 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:52:17,682 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-03-01 16:52:17,682 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1546504743] [2022-03-01 16:52:17,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:52:17,683 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-03-01 16:52:17,683 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:52:17,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-03-01 16:52:17,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2022-03-01 16:52:17,683 INFO L87 Difference]: Start difference. First operand 1304 states and 2399 transitions. Second operand has 11 states, 10 states have (on average 6.9) internal successors, (69), 11 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:18,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:52:18,274 INFO L93 Difference]: Finished difference Result 1469 states and 2700 transitions. [2022-03-01 16:52:18,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-01 16:52:18,275 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.9) internal successors, (69), 11 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-03-01 16:52:18,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:52:18,276 INFO L225 Difference]: With dead ends: 1469 [2022-03-01 16:52:18,276 INFO L226 Difference]: Without dead ends: 1436 [2022-03-01 16:52:18,276 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2022-03-01 16:52:18,276 INFO L933 BasicCegarLoop]: 129 mSDtfsCounter, 187 mSDsluCounter, 488 mSDsCounter, 0 mSdLazyCounter, 686 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 187 SdHoareTripleChecker+Valid, 617 SdHoareTripleChecker+Invalid, 746 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 686 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-03-01 16:52:18,277 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [187 Valid, 617 Invalid, 746 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 686 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-01 16:52:18,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1436 states. [2022-03-01 16:52:18,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1436 to 1252. [2022-03-01 16:52:18,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1252 states, 1245 states have (on average 1.8441767068273092) internal successors, (2296), 1251 states have internal predecessors, (2296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:18,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1252 states to 1252 states and 2296 transitions. [2022-03-01 16:52:18,289 INFO L78 Accepts]: Start accepts. Automaton has 1252 states and 2296 transitions. Word has length 114 [2022-03-01 16:52:18,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:52:18,290 INFO L470 AbstractCegarLoop]: Abstraction has 1252 states and 2296 transitions. [2022-03-01 16:52:18,290 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.9) internal successors, (69), 11 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:18,290 INFO L276 IsEmpty]: Start isEmpty. Operand 1252 states and 2296 transitions. [2022-03-01 16:52:18,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-03-01 16:52:18,291 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:52:18,292 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:52:18,292 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable136 [2022-03-01 16:52:18,292 INFO L402 AbstractCegarLoop]: === Iteration 138 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:52:18,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:52:18,292 INFO L85 PathProgramCache]: Analyzing trace with hash 100492234, now seen corresponding path program 5 times [2022-03-01 16:52:18,292 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:52:18,292 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1320516591] [2022-03-01 16:52:18,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:52:18,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:52:18,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:52:18,713 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:52:18,713 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:52:18,713 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1320516591] [2022-03-01 16:52:18,713 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1320516591] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:52:18,713 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:52:18,713 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:52:18,713 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [830655247] [2022-03-01 16:52:18,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:52:18,714 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:52:18,714 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:52:18,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:52:18,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:52:18,714 INFO L87 Difference]: Start difference. First operand 1252 states and 2296 transitions. Second operand has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:19,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:52:19,270 INFO L93 Difference]: Finished difference Result 1281 states and 2343 transitions. [2022-03-01 16:52:19,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-01 16:52:19,271 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-03-01 16:52:19,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:52:19,272 INFO L225 Difference]: With dead ends: 1281 [2022-03-01 16:52:19,272 INFO L226 Difference]: Without dead ends: 1281 [2022-03-01 16:52:19,272 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=94, Invalid=146, Unknown=0, NotChecked=0, Total=240 [2022-03-01 16:52:19,273 INFO L933 BasicCegarLoop]: 110 mSDtfsCounter, 171 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 433 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 352 SdHoareTripleChecker+Invalid, 473 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 433 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:52:19,273 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [171 Valid, 352 Invalid, 473 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 433 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-01 16:52:19,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1281 states. [2022-03-01 16:52:19,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1281 to 1252. [2022-03-01 16:52:19,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1252 states, 1245 states have (on average 1.8441767068273092) internal successors, (2296), 1251 states have internal predecessors, (2296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:19,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1252 states to 1252 states and 2296 transitions. [2022-03-01 16:52:19,282 INFO L78 Accepts]: Start accepts. Automaton has 1252 states and 2296 transitions. Word has length 114 [2022-03-01 16:52:19,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:52:19,282 INFO L470 AbstractCegarLoop]: Abstraction has 1252 states and 2296 transitions. [2022-03-01 16:52:19,282 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:19,282 INFO L276 IsEmpty]: Start isEmpty. Operand 1252 states and 2296 transitions. [2022-03-01 16:52:19,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-03-01 16:52:19,283 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:52:19,283 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:52:19,283 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable137 [2022-03-01 16:52:19,283 INFO L402 AbstractCegarLoop]: === Iteration 139 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:52:19,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:52:19,283 INFO L85 PathProgramCache]: Analyzing trace with hash -751246544, now seen corresponding path program 6 times [2022-03-01 16:52:19,284 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:52:19,284 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [756820523] [2022-03-01 16:52:19,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:52:19,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:52:19,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:52:19,699 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:52:19,700 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:52:19,700 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [756820523] [2022-03-01 16:52:19,700 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [756820523] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:52:19,700 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:52:19,700 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:52:19,700 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [493075602] [2022-03-01 16:52:19,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:52:19,700 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:52:19,700 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:52:19,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:52:19,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:52:19,701 INFO L87 Difference]: Start difference. First operand 1252 states and 2296 transitions. Second operand has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:20,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:52:20,170 INFO L93 Difference]: Finished difference Result 1299 states and 2374 transitions. [2022-03-01 16:52:20,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-01 16:52:20,170 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-03-01 16:52:20,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:52:20,171 INFO L225 Difference]: With dead ends: 1299 [2022-03-01 16:52:20,171 INFO L226 Difference]: Without dead ends: 1299 [2022-03-01 16:52:20,172 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=84, Invalid=126, Unknown=0, NotChecked=0, Total=210 [2022-03-01 16:52:20,172 INFO L933 BasicCegarLoop]: 109 mSDtfsCounter, 166 mSDsluCounter, 225 mSDsCounter, 0 mSdLazyCounter, 371 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 334 SdHoareTripleChecker+Invalid, 410 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 371 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:52:20,172 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [166 Valid, 334 Invalid, 410 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 371 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-01 16:52:20,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1299 states. [2022-03-01 16:52:20,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1299 to 1252. [2022-03-01 16:52:20,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1252 states, 1245 states have (on average 1.8441767068273092) internal successors, (2296), 1251 states have internal predecessors, (2296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:20,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1252 states to 1252 states and 2296 transitions. [2022-03-01 16:52:20,181 INFO L78 Accepts]: Start accepts. Automaton has 1252 states and 2296 transitions. Word has length 114 [2022-03-01 16:52:20,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:52:20,181 INFO L470 AbstractCegarLoop]: Abstraction has 1252 states and 2296 transitions. [2022-03-01 16:52:20,181 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:20,181 INFO L276 IsEmpty]: Start isEmpty. Operand 1252 states and 2296 transitions. [2022-03-01 16:52:20,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-03-01 16:52:20,182 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:52:20,182 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:52:20,182 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable138 [2022-03-01 16:52:20,182 INFO L402 AbstractCegarLoop]: === Iteration 140 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:52:20,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:52:20,182 INFO L85 PathProgramCache]: Analyzing trace with hash -530038232, now seen corresponding path program 7 times [2022-03-01 16:52:20,182 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:52:20,182 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1927844948] [2022-03-01 16:52:20,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:52:20,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:52:20,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:52:20,637 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:52:20,637 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:52:20,637 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1927844948] [2022-03-01 16:52:20,638 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1927844948] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:52:20,638 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:52:20,638 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:52:20,638 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1981649901] [2022-03-01 16:52:20,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:52:20,638 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:52:20,638 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:52:20,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:52:20,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:52:20,638 INFO L87 Difference]: Start difference. First operand 1252 states and 2296 transitions. Second operand has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:21,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:52:21,080 INFO L93 Difference]: Finished difference Result 1313 states and 2402 transitions. [2022-03-01 16:52:21,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-01 16:52:21,080 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-03-01 16:52:21,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:52:21,081 INFO L225 Difference]: With dead ends: 1313 [2022-03-01 16:52:21,082 INFO L226 Difference]: Without dead ends: 1313 [2022-03-01 16:52:21,082 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=74, Invalid=108, Unknown=0, NotChecked=0, Total=182 [2022-03-01 16:52:21,082 INFO L933 BasicCegarLoop]: 105 mSDtfsCounter, 147 mSDsluCounter, 279 mSDsCounter, 0 mSdLazyCounter, 419 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 384 SdHoareTripleChecker+Invalid, 454 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 419 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:52:21,082 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [147 Valid, 384 Invalid, 454 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 419 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-01 16:52:21,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1313 states. [2022-03-01 16:52:21,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1313 to 1252. [2022-03-01 16:52:21,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1252 states, 1245 states have (on average 1.8441767068273092) internal successors, (2296), 1251 states have internal predecessors, (2296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:21,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1252 states to 1252 states and 2296 transitions. [2022-03-01 16:52:21,091 INFO L78 Accepts]: Start accepts. Automaton has 1252 states and 2296 transitions. Word has length 114 [2022-03-01 16:52:21,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:52:21,091 INFO L470 AbstractCegarLoop]: Abstraction has 1252 states and 2296 transitions. [2022-03-01 16:52:21,091 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:21,091 INFO L276 IsEmpty]: Start isEmpty. Operand 1252 states and 2296 transitions. [2022-03-01 16:52:21,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-03-01 16:52:21,092 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:52:21,092 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:52:21,092 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable139 [2022-03-01 16:52:21,093 INFO L402 AbstractCegarLoop]: === Iteration 141 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:52:21,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:52:21,093 INFO L85 PathProgramCache]: Analyzing trace with hash -1517812654, now seen corresponding path program 8 times [2022-03-01 16:52:21,093 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:52:21,093 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [319096863] [2022-03-01 16:52:21,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:52:21,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:52:21,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:52:21,465 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:52:21,465 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:52:21,465 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [319096863] [2022-03-01 16:52:21,465 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [319096863] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:52:21,465 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:52:21,465 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:52:21,465 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148394841] [2022-03-01 16:52:21,465 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:52:21,466 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:52:21,466 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:52:21,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:52:21,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=53, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:52:21,466 INFO L87 Difference]: Start difference. First operand 1252 states and 2296 transitions. Second operand has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:21,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:52:21,829 INFO L93 Difference]: Finished difference Result 1299 states and 2379 transitions. [2022-03-01 16:52:21,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-01 16:52:21,829 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-03-01 16:52:21,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:52:21,830 INFO L225 Difference]: With dead ends: 1299 [2022-03-01 16:52:21,831 INFO L226 Difference]: Without dead ends: 1299 [2022-03-01 16:52:21,831 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=64, Invalid=92, Unknown=0, NotChecked=0, Total=156 [2022-03-01 16:52:21,831 INFO L933 BasicCegarLoop]: 101 mSDtfsCounter, 135 mSDsluCounter, 263 mSDsCounter, 0 mSdLazyCounter, 370 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 364 SdHoareTripleChecker+Invalid, 403 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 370 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-01 16:52:21,831 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [135 Valid, 364 Invalid, 403 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 370 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-01 16:52:21,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1299 states. [2022-03-01 16:52:21,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1299 to 1226. [2022-03-01 16:52:21,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1226 states, 1219 states have (on average 1.844954881050041) internal successors, (2249), 1225 states have internal predecessors, (2249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:21,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1226 states to 1226 states and 2249 transitions. [2022-03-01 16:52:21,840 INFO L78 Accepts]: Start accepts. Automaton has 1226 states and 2249 transitions. Word has length 114 [2022-03-01 16:52:21,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:52:21,840 INFO L470 AbstractCegarLoop]: Abstraction has 1226 states and 2249 transitions. [2022-03-01 16:52:21,840 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:21,840 INFO L276 IsEmpty]: Start isEmpty. Operand 1226 states and 2249 transitions. [2022-03-01 16:52:21,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-03-01 16:52:21,841 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:52:21,841 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:52:21,841 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable140 [2022-03-01 16:52:21,841 INFO L402 AbstractCegarLoop]: === Iteration 142 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:52:21,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:52:21,842 INFO L85 PathProgramCache]: Analyzing trace with hash 1901795673, now seen corresponding path program 11 times [2022-03-01 16:52:21,842 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:52:21,842 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [817177007] [2022-03-01 16:52:21,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:52:21,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:52:21,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:52:22,538 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:52:22,538 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:52:22,538 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [817177007] [2022-03-01 16:52:22,538 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [817177007] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:52:22,539 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:52:22,539 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:52:22,539 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187123188] [2022-03-01 16:52:22,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:52:22,539 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:52:22,539 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:52:22,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:52:22,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=53, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:52:22,539 INFO L87 Difference]: Start difference. First operand 1226 states and 2249 transitions. Second operand has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:23,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:52:23,079 INFO L93 Difference]: Finished difference Result 1539 states and 2829 transitions. [2022-03-01 16:52:23,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-01 16:52:23,080 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-03-01 16:52:23,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:52:23,081 INFO L225 Difference]: With dead ends: 1539 [2022-03-01 16:52:23,081 INFO L226 Difference]: Without dead ends: 1511 [2022-03-01 16:52:23,081 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 3 SyntacticMatches, 5 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=70, Invalid=112, Unknown=0, NotChecked=0, Total=182 [2022-03-01 16:52:23,081 INFO L933 BasicCegarLoop]: 149 mSDtfsCounter, 262 mSDsluCounter, 376 mSDsCounter, 0 mSdLazyCounter, 507 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 262 SdHoareTripleChecker+Valid, 524 SdHoareTripleChecker+Invalid, 582 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 507 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:52:23,081 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [262 Valid, 524 Invalid, 582 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 507 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-01 16:52:23,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1511 states. [2022-03-01 16:52:23,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1511 to 1182. [2022-03-01 16:52:23,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1182 states, 1175 states have (on average 1.8391489361702127) internal successors, (2161), 1181 states have internal predecessors, (2161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:23,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1182 states to 1182 states and 2161 transitions. [2022-03-01 16:52:23,091 INFO L78 Accepts]: Start accepts. Automaton has 1182 states and 2161 transitions. Word has length 114 [2022-03-01 16:52:23,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:52:23,091 INFO L470 AbstractCegarLoop]: Abstraction has 1182 states and 2161 transitions. [2022-03-01 16:52:23,091 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:23,091 INFO L276 IsEmpty]: Start isEmpty. Operand 1182 states and 2161 transitions. [2022-03-01 16:52:23,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-03-01 16:52:23,092 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:52:23,092 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:52:23,092 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable141 [2022-03-01 16:52:23,092 INFO L402 AbstractCegarLoop]: === Iteration 143 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:52:23,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:52:23,093 INFO L85 PathProgramCache]: Analyzing trace with hash 934747207, now seen corresponding path program 12 times [2022-03-01 16:52:23,093 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:52:23,093 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86008085] [2022-03-01 16:52:23,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:52:23,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:52:23,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:52:24,006 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:52:24,006 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:52:24,006 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86008085] [2022-03-01 16:52:24,006 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [86008085] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:52:24,007 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:52:24,007 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:52:24,007 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1462243987] [2022-03-01 16:52:24,007 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:52:24,007 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:52:24,007 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:52:24,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:52:24,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:52:24,007 INFO L87 Difference]: Start difference. First operand 1182 states and 2161 transitions. Second operand has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:24,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:52:24,633 INFO L93 Difference]: Finished difference Result 1551 states and 2853 transitions. [2022-03-01 16:52:24,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-01 16:52:24,633 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-03-01 16:52:24,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:52:24,635 INFO L225 Difference]: With dead ends: 1551 [2022-03-01 16:52:24,635 INFO L226 Difference]: Without dead ends: 1530 [2022-03-01 16:52:24,635 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 3 SyntacticMatches, 6 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=80, Invalid=130, Unknown=0, NotChecked=0, Total=210 [2022-03-01 16:52:24,635 INFO L933 BasicCegarLoop]: 147 mSDtfsCounter, 236 mSDsluCounter, 453 mSDsCounter, 0 mSdLazyCounter, 566 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 236 SdHoareTripleChecker+Valid, 599 SdHoareTripleChecker+Invalid, 634 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 566 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:52:24,635 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [236 Valid, 599 Invalid, 634 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 566 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-01 16:52:24,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1530 states. [2022-03-01 16:52:24,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1530 to 1163. [2022-03-01 16:52:24,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1163 states, 1156 states have (on average 1.8365051903114187) internal successors, (2123), 1162 states have internal predecessors, (2123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:24,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1163 states to 1163 states and 2123 transitions. [2022-03-01 16:52:24,645 INFO L78 Accepts]: Start accepts. Automaton has 1163 states and 2123 transitions. Word has length 114 [2022-03-01 16:52:24,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:52:24,645 INFO L470 AbstractCegarLoop]: Abstraction has 1163 states and 2123 transitions. [2022-03-01 16:52:24,645 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:24,645 INFO L276 IsEmpty]: Start isEmpty. Operand 1163 states and 2123 transitions. [2022-03-01 16:52:24,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-03-01 16:52:24,646 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:52:24,646 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:52:24,646 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable142 [2022-03-01 16:52:24,646 INFO L402 AbstractCegarLoop]: === Iteration 144 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:52:24,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:52:24,646 INFO L85 PathProgramCache]: Analyzing trace with hash 1569408653, now seen corresponding path program 13 times [2022-03-01 16:52:24,646 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:52:24,646 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1303699317] [2022-03-01 16:52:24,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:52:24,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:52:24,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:52:25,529 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:52:25,530 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:52:25,530 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1303699317] [2022-03-01 16:52:25,530 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1303699317] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:52:25,530 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:52:25,530 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:52:25,530 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1984789465] [2022-03-01 16:52:25,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:52:25,530 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:52:25,530 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:52:25,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:52:25,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:52:25,531 INFO L87 Difference]: Start difference. First operand 1163 states and 2123 transitions. Second operand has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:26,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:52:26,224 INFO L93 Difference]: Finished difference Result 1450 states and 2653 transitions. [2022-03-01 16:52:26,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-01 16:52:26,224 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-03-01 16:52:26,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:52:26,226 INFO L225 Difference]: With dead ends: 1450 [2022-03-01 16:52:26,226 INFO L226 Difference]: Without dead ends: 1436 [2022-03-01 16:52:26,226 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 4 SyntacticMatches, 4 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=90, Invalid=150, Unknown=0, NotChecked=0, Total=240 [2022-03-01 16:52:26,226 INFO L933 BasicCegarLoop]: 145 mSDtfsCounter, 237 mSDsluCounter, 412 mSDsCounter, 0 mSdLazyCounter, 508 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 237 SdHoareTripleChecker+Valid, 556 SdHoareTripleChecker+Invalid, 576 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 508 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:52:26,226 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [237 Valid, 556 Invalid, 576 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 508 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-01 16:52:26,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1436 states. [2022-03-01 16:52:26,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1436 to 1127. [2022-03-01 16:52:26,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1127 states, 1120 states have (on average 1.83125) internal successors, (2051), 1126 states have internal predecessors, (2051), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:26,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1127 states to 1127 states and 2051 transitions. [2022-03-01 16:52:26,236 INFO L78 Accepts]: Start accepts. Automaton has 1127 states and 2051 transitions. Word has length 114 [2022-03-01 16:52:26,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:52:26,236 INFO L470 AbstractCegarLoop]: Abstraction has 1127 states and 2051 transitions. [2022-03-01 16:52:26,236 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:26,236 INFO L276 IsEmpty]: Start isEmpty. Operand 1127 states and 2051 transitions. [2022-03-01 16:52:26,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-03-01 16:52:26,237 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:52:26,237 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:52:26,237 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable143 [2022-03-01 16:52:26,237 INFO L402 AbstractCegarLoop]: === Iteration 145 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:52:26,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:52:26,237 INFO L85 PathProgramCache]: Analyzing trace with hash -236888212, now seen corresponding path program 23 times [2022-03-01 16:52:26,238 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:52:26,238 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1663152209] [2022-03-01 16:52:26,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:52:26,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:52:26,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:52:26,433 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:52:26,433 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:52:26,433 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1663152209] [2022-03-01 16:52:26,433 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1663152209] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:52:26,433 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:52:26,434 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:52:26,434 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1332722406] [2022-03-01 16:52:26,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:52:26,435 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:52:26,435 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:52:26,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:52:26,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:52:26,435 INFO L87 Difference]: Start difference. First operand 1127 states and 2051 transitions. Second operand has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:26,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:52:26,992 INFO L93 Difference]: Finished difference Result 1177 states and 2139 transitions. [2022-03-01 16:52:26,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-01 16:52:26,992 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-03-01 16:52:26,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:52:26,993 INFO L225 Difference]: With dead ends: 1177 [2022-03-01 16:52:26,993 INFO L226 Difference]: Without dead ends: 1177 [2022-03-01 16:52:26,994 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=178, Invalid=328, Unknown=0, NotChecked=0, Total=506 [2022-03-01 16:52:26,994 INFO L933 BasicCegarLoop]: 166 mSDtfsCounter, 225 mSDsluCounter, 521 mSDsCounter, 0 mSdLazyCounter, 580 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 225 SdHoareTripleChecker+Valid, 685 SdHoareTripleChecker+Invalid, 622 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 580 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:52:26,994 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [225 Valid, 685 Invalid, 622 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 580 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-01 16:52:26,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1177 states. [2022-03-01 16:52:27,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1177 to 1127. [2022-03-01 16:52:27,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1127 states, 1120 states have (on average 1.83125) internal successors, (2051), 1126 states have internal predecessors, (2051), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:27,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1127 states to 1127 states and 2051 transitions. [2022-03-01 16:52:27,005 INFO L78 Accepts]: Start accepts. Automaton has 1127 states and 2051 transitions. Word has length 114 [2022-03-01 16:52:27,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:52:27,006 INFO L470 AbstractCegarLoop]: Abstraction has 1127 states and 2051 transitions. [2022-03-01 16:52:27,006 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:27,006 INFO L276 IsEmpty]: Start isEmpty. Operand 1127 states and 2051 transitions. [2022-03-01 16:52:27,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-03-01 16:52:27,007 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:52:27,007 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:52:27,007 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable144 [2022-03-01 16:52:27,007 INFO L402 AbstractCegarLoop]: === Iteration 146 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:52:27,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:52:27,008 INFO L85 PathProgramCache]: Analyzing trace with hash -322421242, now seen corresponding path program 24 times [2022-03-01 16:52:27,008 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:52:27,008 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1860146770] [2022-03-01 16:52:27,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:52:27,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:52:27,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:52:27,373 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:52:27,373 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:52:27,373 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1860146770] [2022-03-01 16:52:27,374 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1860146770] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:52:27,374 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:52:27,374 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:52:27,374 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178075637] [2022-03-01 16:52:27,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:52:27,374 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:52:27,374 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:52:27,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:52:27,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=53, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:52:27,374 INFO L87 Difference]: Start difference. First operand 1127 states and 2051 transitions. Second operand has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:27,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:52:27,729 INFO L93 Difference]: Finished difference Result 1208 states and 2188 transitions. [2022-03-01 16:52:27,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-01 16:52:27,729 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-03-01 16:52:27,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:52:27,730 INFO L225 Difference]: With dead ends: 1208 [2022-03-01 16:52:27,730 INFO L226 Difference]: Without dead ends: 1208 [2022-03-01 16:52:27,730 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=64, Invalid=92, Unknown=0, NotChecked=0, Total=156 [2022-03-01 16:52:27,731 INFO L933 BasicCegarLoop]: 111 mSDtfsCounter, 147 mSDsluCounter, 283 mSDsCounter, 0 mSdLazyCounter, 401 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 393 SdHoareTripleChecker+Invalid, 433 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 401 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-01 16:52:27,731 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [147 Valid, 393 Invalid, 433 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 401 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-01 16:52:27,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1208 states. [2022-03-01 16:52:27,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1208 to 1137. [2022-03-01 16:52:27,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1137 states, 1130 states have (on average 1.8327433628318583) internal successors, (2071), 1136 states have internal predecessors, (2071), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:27,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1137 states to 1137 states and 2071 transitions. [2022-03-01 16:52:27,747 INFO L78 Accepts]: Start accepts. Automaton has 1137 states and 2071 transitions. Word has length 114 [2022-03-01 16:52:27,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:52:27,748 INFO L470 AbstractCegarLoop]: Abstraction has 1137 states and 2071 transitions. [2022-03-01 16:52:27,748 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:27,748 INFO L276 IsEmpty]: Start isEmpty. Operand 1137 states and 2071 transitions. [2022-03-01 16:52:27,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-03-01 16:52:27,748 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:52:27,749 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:52:27,749 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable145 [2022-03-01 16:52:27,749 INFO L402 AbstractCegarLoop]: === Iteration 147 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:52:27,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:52:27,749 INFO L85 PathProgramCache]: Analyzing trace with hash 1349650314, now seen corresponding path program 25 times [2022-03-01 16:52:27,749 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:52:27,749 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1457871524] [2022-03-01 16:52:27,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:52:27,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:52:27,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:52:28,165 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:52:28,165 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:52:28,165 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1457871524] [2022-03-01 16:52:28,165 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1457871524] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:52:28,165 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:52:28,166 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:52:28,166 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [512444380] [2022-03-01 16:52:28,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:52:28,166 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:52:28,166 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:52:28,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:52:28,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:52:28,166 INFO L87 Difference]: Start difference. First operand 1137 states and 2071 transitions. Second operand has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:28,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:52:28,466 INFO L93 Difference]: Finished difference Result 1203 states and 2179 transitions. [2022-03-01 16:52:28,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-01 16:52:28,466 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-03-01 16:52:28,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:52:28,468 INFO L225 Difference]: With dead ends: 1203 [2022-03-01 16:52:28,468 INFO L226 Difference]: Without dead ends: 1203 [2022-03-01 16:52:28,468 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=64, Unknown=0, NotChecked=0, Total=110 [2022-03-01 16:52:28,468 INFO L933 BasicCegarLoop]: 111 mSDtfsCounter, 139 mSDsluCounter, 290 mSDsCounter, 0 mSdLazyCounter, 413 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 400 SdHoareTripleChecker+Invalid, 443 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 413 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:52:28,468 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [139 Valid, 400 Invalid, 443 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 413 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-01 16:52:28,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1203 states. [2022-03-01 16:52:28,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1203 to 1119. [2022-03-01 16:52:28,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1119 states, 1112 states have (on average 1.8300359712230216) internal successors, (2035), 1118 states have internal predecessors, (2035), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:28,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1119 states to 1119 states and 2035 transitions. [2022-03-01 16:52:28,477 INFO L78 Accepts]: Start accepts. Automaton has 1119 states and 2035 transitions. Word has length 114 [2022-03-01 16:52:28,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:52:28,477 INFO L470 AbstractCegarLoop]: Abstraction has 1119 states and 2035 transitions. [2022-03-01 16:52:28,477 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:28,477 INFO L276 IsEmpty]: Start isEmpty. Operand 1119 states and 2035 transitions. [2022-03-01 16:52:28,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-03-01 16:52:28,478 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:52:28,478 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:52:28,478 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable146 [2022-03-01 16:52:28,478 INFO L402 AbstractCegarLoop]: === Iteration 148 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:52:28,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:52:28,478 INFO L85 PathProgramCache]: Analyzing trace with hash -1580184604, now seen corresponding path program 26 times [2022-03-01 16:52:28,478 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:52:28,478 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1366262009] [2022-03-01 16:52:28,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:52:28,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:52:28,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:52:28,986 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:52:28,986 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:52:28,986 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1366262009] [2022-03-01 16:52:28,986 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1366262009] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:52:28,986 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:52:28,986 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:52:28,986 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098657096] [2022-03-01 16:52:28,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:52:28,987 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:52:28,987 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:52:28,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:52:28,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:52:28,987 INFO L87 Difference]: Start difference. First operand 1119 states and 2035 transitions. Second operand has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:29,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:52:29,344 INFO L93 Difference]: Finished difference Result 1185 states and 2145 transitions. [2022-03-01 16:52:29,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-01 16:52:29,345 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-03-01 16:52:29,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:52:29,346 INFO L225 Difference]: With dead ends: 1185 [2022-03-01 16:52:29,346 INFO L226 Difference]: Without dead ends: 1185 [2022-03-01 16:52:29,346 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2022-03-01 16:52:29,346 INFO L933 BasicCegarLoop]: 113 mSDtfsCounter, 151 mSDsluCounter, 265 mSDsCounter, 0 mSdLazyCounter, 494 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 377 SdHoareTripleChecker+Invalid, 527 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 494 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:52:29,346 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [151 Valid, 377 Invalid, 527 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 494 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-01 16:52:29,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1185 states. [2022-03-01 16:52:29,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1185 to 1111. [2022-03-01 16:52:29,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1111 states, 1104 states have (on average 1.828804347826087) internal successors, (2019), 1110 states have internal predecessors, (2019), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:29,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1111 states to 1111 states and 2019 transitions. [2022-03-01 16:52:29,355 INFO L78 Accepts]: Start accepts. Automaton has 1111 states and 2019 transitions. Word has length 114 [2022-03-01 16:52:29,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:52:29,355 INFO L470 AbstractCegarLoop]: Abstraction has 1111 states and 2019 transitions. [2022-03-01 16:52:29,355 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:29,355 INFO L276 IsEmpty]: Start isEmpty. Operand 1111 states and 2019 transitions. [2022-03-01 16:52:29,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-03-01 16:52:29,356 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:52:29,356 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:52:29,356 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable147 [2022-03-01 16:52:29,356 INFO L402 AbstractCegarLoop]: === Iteration 149 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:52:29,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:52:29,357 INFO L85 PathProgramCache]: Analyzing trace with hash -445942300, now seen corresponding path program 27 times [2022-03-01 16:52:29,357 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:52:29,357 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1302670095] [2022-03-01 16:52:29,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:52:29,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:52:29,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:52:29,993 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:52:29,993 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:52:29,993 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1302670095] [2022-03-01 16:52:29,993 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1302670095] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:52:29,993 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:52:29,993 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:52:29,994 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490195408] [2022-03-01 16:52:29,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:52:29,994 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:52:29,994 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:52:29,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:52:29,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:52:29,994 INFO L87 Difference]: Start difference. First operand 1111 states and 2019 transitions. Second operand has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:30,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:52:30,422 INFO L93 Difference]: Finished difference Result 1173 states and 2117 transitions. [2022-03-01 16:52:30,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-01 16:52:30,423 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-03-01 16:52:30,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:52:30,424 INFO L225 Difference]: With dead ends: 1173 [2022-03-01 16:52:30,424 INFO L226 Difference]: Without dead ends: 1173 [2022-03-01 16:52:30,424 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=49, Invalid=61, Unknown=0, NotChecked=0, Total=110 [2022-03-01 16:52:30,424 INFO L933 BasicCegarLoop]: 119 mSDtfsCounter, 157 mSDsluCounter, 297 mSDsCounter, 0 mSdLazyCounter, 580 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 415 SdHoareTripleChecker+Invalid, 616 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 580 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:52:30,424 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [157 Valid, 415 Invalid, 616 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 580 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-01 16:52:30,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1173 states. [2022-03-01 16:52:30,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1173 to 1110. [2022-03-01 16:52:30,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1110 states, 1103 states have (on average 1.829555757026292) internal successors, (2018), 1109 states have internal predecessors, (2018), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:30,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1110 states to 1110 states and 2018 transitions. [2022-03-01 16:52:30,432 INFO L78 Accepts]: Start accepts. Automaton has 1110 states and 2018 transitions. Word has length 114 [2022-03-01 16:52:30,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:52:30,432 INFO L470 AbstractCegarLoop]: Abstraction has 1110 states and 2018 transitions. [2022-03-01 16:52:30,433 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:30,433 INFO L276 IsEmpty]: Start isEmpty. Operand 1110 states and 2018 transitions. [2022-03-01 16:52:30,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-03-01 16:52:30,433 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:52:30,433 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:52:30,434 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable148 [2022-03-01 16:52:30,434 INFO L402 AbstractCegarLoop]: === Iteration 150 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:52:30,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:52:30,434 INFO L85 PathProgramCache]: Analyzing trace with hash 1180753314, now seen corresponding path program 28 times [2022-03-01 16:52:30,434 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:52:30,434 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [548066663] [2022-03-01 16:52:30,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:52:30,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:52:30,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:52:31,024 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:52:31,025 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:52:31,025 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [548066663] [2022-03-01 16:52:31,025 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [548066663] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:52:31,025 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:52:31,025 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:52:31,025 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [162995247] [2022-03-01 16:52:31,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:52:31,025 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:52:31,025 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:52:31,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:52:31,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:52:31,026 INFO L87 Difference]: Start difference. First operand 1110 states and 2018 transitions. Second operand has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:31,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:52:31,333 INFO L93 Difference]: Finished difference Result 1168 states and 2111 transitions. [2022-03-01 16:52:31,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-01 16:52:31,333 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-03-01 16:52:31,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:52:31,334 INFO L225 Difference]: With dead ends: 1168 [2022-03-01 16:52:31,334 INFO L226 Difference]: Without dead ends: 1168 [2022-03-01 16:52:31,335 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-03-01 16:52:31,335 INFO L933 BasicCegarLoop]: 115 mSDtfsCounter, 135 mSDsluCounter, 235 mSDsCounter, 0 mSdLazyCounter, 384 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 349 SdHoareTripleChecker+Invalid, 422 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 384 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:52:31,335 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [135 Valid, 349 Invalid, 422 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 384 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-01 16:52:31,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1168 states. [2022-03-01 16:52:31,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1168 to 1079. [2022-03-01 16:52:31,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1079 states, 1072 states have (on average 1.8320895522388059) internal successors, (1964), 1078 states have internal predecessors, (1964), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:31,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1079 states to 1079 states and 1964 transitions. [2022-03-01 16:52:31,343 INFO L78 Accepts]: Start accepts. Automaton has 1079 states and 1964 transitions. Word has length 114 [2022-03-01 16:52:31,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:52:31,343 INFO L470 AbstractCegarLoop]: Abstraction has 1079 states and 1964 transitions. [2022-03-01 16:52:31,343 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:31,343 INFO L276 IsEmpty]: Start isEmpty. Operand 1079 states and 1964 transitions. [2022-03-01 16:52:31,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-03-01 16:52:31,344 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:52:31,344 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:52:31,344 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable149 [2022-03-01 16:52:31,344 INFO L402 AbstractCegarLoop]: === Iteration 151 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:52:31,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:52:31,344 INFO L85 PathProgramCache]: Analyzing trace with hash -1303131048, now seen corresponding path program 1 times [2022-03-01 16:52:31,345 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:52:31,345 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [344280961] [2022-03-01 16:52:31,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:52:31,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:52:31,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:52:31,757 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:52:31,758 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:52:31,758 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [344280961] [2022-03-01 16:52:31,758 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [344280961] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:52:31,758 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:52:31,758 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:52:31,758 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587804428] [2022-03-01 16:52:31,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:52:31,758 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:52:31,758 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:52:31,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:52:31,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:52:31,758 INFO L87 Difference]: Start difference. First operand 1079 states and 1964 transitions. Second operand has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:32,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:52:32,294 INFO L93 Difference]: Finished difference Result 1765 states and 3226 transitions. [2022-03-01 16:52:32,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-01 16:52:32,294 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2022-03-01 16:52:32,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:52:32,296 INFO L225 Difference]: With dead ends: 1765 [2022-03-01 16:52:32,296 INFO L226 Difference]: Without dead ends: 1765 [2022-03-01 16:52:32,296 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=101, Invalid=205, Unknown=0, NotChecked=0, Total=306 [2022-03-01 16:52:32,296 INFO L933 BasicCegarLoop]: 146 mSDtfsCounter, 245 mSDsluCounter, 520 mSDsCounter, 0 mSdLazyCounter, 556 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 245 SdHoareTripleChecker+Valid, 664 SdHoareTripleChecker+Invalid, 610 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 556 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:52:32,296 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [245 Valid, 664 Invalid, 610 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 556 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-01 16:52:32,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1765 states. [2022-03-01 16:52:32,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1765 to 1146. [2022-03-01 16:52:32,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1146 states, 1139 states have (on average 1.8419666374012291) internal successors, (2098), 1145 states have internal predecessors, (2098), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:32,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1146 states to 1146 states and 2098 transitions. [2022-03-01 16:52:32,306 INFO L78 Accepts]: Start accepts. Automaton has 1146 states and 2098 transitions. Word has length 115 [2022-03-01 16:52:32,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:52:32,306 INFO L470 AbstractCegarLoop]: Abstraction has 1146 states and 2098 transitions. [2022-03-01 16:52:32,306 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:32,306 INFO L276 IsEmpty]: Start isEmpty. Operand 1146 states and 2098 transitions. [2022-03-01 16:52:32,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-03-01 16:52:32,307 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:52:32,307 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:52:32,307 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable150 [2022-03-01 16:52:32,307 INFO L402 AbstractCegarLoop]: === Iteration 152 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:52:32,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:52:32,307 INFO L85 PathProgramCache]: Analyzing trace with hash -1212971395, now seen corresponding path program 1 times [2022-03-01 16:52:32,307 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:52:32,307 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1727200070] [2022-03-01 16:52:32,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:52:32,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:52:32,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:52:32,421 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:52:32,422 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:52:32,422 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1727200070] [2022-03-01 16:52:32,422 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1727200070] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:52:32,422 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:52:32,422 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-03-01 16:52:32,422 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [412712312] [2022-03-01 16:52:32,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:52:32,422 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-03-01 16:52:32,422 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:52:32,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-03-01 16:52:32,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-03-01 16:52:32,422 INFO L87 Difference]: Start difference. First operand 1146 states and 2098 transitions. Second operand has 8 states, 7 states have (on average 10.0) internal successors, (70), 8 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:32,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:52:32,695 INFO L93 Difference]: Finished difference Result 1249 states and 2292 transitions. [2022-03-01 16:52:32,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-01 16:52:32,695 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 10.0) internal successors, (70), 8 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2022-03-01 16:52:32,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:52:32,696 INFO L225 Difference]: With dead ends: 1249 [2022-03-01 16:52:32,696 INFO L226 Difference]: Without dead ends: 1249 [2022-03-01 16:52:32,696 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:52:32,696 INFO L933 BasicCegarLoop]: 104 mSDtfsCounter, 122 mSDsluCounter, 313 mSDsCounter, 0 mSdLazyCounter, 413 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 417 SdHoareTripleChecker+Invalid, 438 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 413 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-01 16:52:32,697 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [122 Valid, 417 Invalid, 438 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 413 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-01 16:52:32,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1249 states. [2022-03-01 16:52:32,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1249 to 1155. [2022-03-01 16:52:32,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1155 states, 1148 states have (on average 1.843205574912892) internal successors, (2116), 1154 states have internal predecessors, (2116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:32,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1155 states to 1155 states and 2116 transitions. [2022-03-01 16:52:32,706 INFO L78 Accepts]: Start accepts. Automaton has 1155 states and 2116 transitions. Word has length 115 [2022-03-01 16:52:32,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:52:32,706 INFO L470 AbstractCegarLoop]: Abstraction has 1155 states and 2116 transitions. [2022-03-01 16:52:32,706 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 10.0) internal successors, (70), 8 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:32,706 INFO L276 IsEmpty]: Start isEmpty. Operand 1155 states and 2116 transitions. [2022-03-01 16:52:32,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-03-01 16:52:32,707 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:52:32,707 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:52:32,707 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable151 [2022-03-01 16:52:32,707 INFO L402 AbstractCegarLoop]: === Iteration 153 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:52:32,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:52:32,707 INFO L85 PathProgramCache]: Analyzing trace with hash -1212048835, now seen corresponding path program 2 times [2022-03-01 16:52:32,707 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:52:32,707 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [109668987] [2022-03-01 16:52:32,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:52:32,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:52:32,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:52:32,907 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:52:32,908 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:52:32,908 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [109668987] [2022-03-01 16:52:32,908 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [109668987] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:52:32,908 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:52:32,908 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:52:32,908 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2136275769] [2022-03-01 16:52:32,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:52:32,908 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:52:32,908 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:52:32,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:52:32,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:52:32,909 INFO L87 Difference]: Start difference. First operand 1155 states and 2116 transitions. Second operand has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:33,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:52:33,399 INFO L93 Difference]: Finished difference Result 1770 states and 3237 transitions. [2022-03-01 16:52:33,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-01 16:52:33,399 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2022-03-01 16:52:33,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:52:33,401 INFO L225 Difference]: With dead ends: 1770 [2022-03-01 16:52:33,401 INFO L226 Difference]: Without dead ends: 1770 [2022-03-01 16:52:33,401 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=91, Invalid=181, Unknown=0, NotChecked=0, Total=272 [2022-03-01 16:52:33,401 INFO L933 BasicCegarLoop]: 124 mSDtfsCounter, 206 mSDsluCounter, 504 mSDsCounter, 0 mSdLazyCounter, 655 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 206 SdHoareTripleChecker+Valid, 627 SdHoareTripleChecker+Invalid, 692 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 655 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:52:33,402 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [206 Valid, 627 Invalid, 692 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 655 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-01 16:52:33,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1770 states. [2022-03-01 16:52:33,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1770 to 1350. [2022-03-01 16:52:33,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1350 states, 1343 states have (on average 1.8659717051377513) internal successors, (2506), 1349 states have internal predecessors, (2506), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:33,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1350 states to 1350 states and 2506 transitions. [2022-03-01 16:52:33,414 INFO L78 Accepts]: Start accepts. Automaton has 1350 states and 2506 transitions. Word has length 115 [2022-03-01 16:52:33,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:52:33,414 INFO L470 AbstractCegarLoop]: Abstraction has 1350 states and 2506 transitions. [2022-03-01 16:52:33,414 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:33,414 INFO L276 IsEmpty]: Start isEmpty. Operand 1350 states and 2506 transitions. [2022-03-01 16:52:33,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-03-01 16:52:33,415 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:52:33,415 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:52:33,415 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable152 [2022-03-01 16:52:33,415 INFO L402 AbstractCegarLoop]: === Iteration 154 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:52:33,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:52:33,416 INFO L85 PathProgramCache]: Analyzing trace with hash -1212018145, now seen corresponding path program 3 times [2022-03-01 16:52:33,416 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:52:33,416 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1204145005] [2022-03-01 16:52:33,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:52:33,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:52:33,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:52:33,682 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:52:33,682 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:52:33,682 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1204145005] [2022-03-01 16:52:33,682 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1204145005] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:52:33,682 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:52:33,682 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:52:33,682 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [591898946] [2022-03-01 16:52:33,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:52:33,682 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:52:33,682 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:52:33,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:52:33,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:52:33,683 INFO L87 Difference]: Start difference. First operand 1350 states and 2506 transitions. Second operand has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:34,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:52:34,149 INFO L93 Difference]: Finished difference Result 1738 states and 3174 transitions. [2022-03-01 16:52:34,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-01 16:52:34,149 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2022-03-01 16:52:34,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:52:34,151 INFO L225 Difference]: With dead ends: 1738 [2022-03-01 16:52:34,152 INFO L226 Difference]: Without dead ends: 1738 [2022-03-01 16:52:34,152 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2022-03-01 16:52:34,152 INFO L933 BasicCegarLoop]: 124 mSDtfsCounter, 220 mSDsluCounter, 377 mSDsCounter, 0 mSdLazyCounter, 483 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 220 SdHoareTripleChecker+Valid, 500 SdHoareTripleChecker+Invalid, 528 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 483 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:52:34,152 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [220 Valid, 500 Invalid, 528 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 483 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-01 16:52:34,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1738 states. [2022-03-01 16:52:34,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1738 to 1359. [2022-03-01 16:52:34,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1359 states, 1352 states have (on average 1.8661242603550297) internal successors, (2523), 1358 states have internal predecessors, (2523), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:34,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1359 states to 1359 states and 2523 transitions. [2022-03-01 16:52:34,167 INFO L78 Accepts]: Start accepts. Automaton has 1359 states and 2523 transitions. Word has length 115 [2022-03-01 16:52:34,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:52:34,168 INFO L470 AbstractCegarLoop]: Abstraction has 1359 states and 2523 transitions. [2022-03-01 16:52:34,168 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:34,168 INFO L276 IsEmpty]: Start isEmpty. Operand 1359 states and 2523 transitions. [2022-03-01 16:52:34,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-03-01 16:52:34,169 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:52:34,169 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:52:34,169 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable153 [2022-03-01 16:52:34,169 INFO L402 AbstractCegarLoop]: === Iteration 155 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:52:34,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:52:34,170 INFO L85 PathProgramCache]: Analyzing trace with hash 1949471993, now seen corresponding path program 4 times [2022-03-01 16:52:34,170 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:52:34,170 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [773130824] [2022-03-01 16:52:34,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:52:34,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:52:34,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:52:34,518 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:52:34,518 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:52:34,518 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [773130824] [2022-03-01 16:52:34,518 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [773130824] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:52:34,518 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:52:34,518 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:52:34,518 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737129576] [2022-03-01 16:52:34,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:52:34,518 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:52:34,518 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:52:34,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:52:34,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:52:34,519 INFO L87 Difference]: Start difference. First operand 1359 states and 2523 transitions. Second operand has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:34,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:52:34,949 INFO L93 Difference]: Finished difference Result 1700 states and 3099 transitions. [2022-03-01 16:52:34,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-01 16:52:34,949 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2022-03-01 16:52:34,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:52:34,951 INFO L225 Difference]: With dead ends: 1700 [2022-03-01 16:52:34,951 INFO L226 Difference]: Without dead ends: 1700 [2022-03-01 16:52:34,951 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2022-03-01 16:52:34,951 INFO L933 BasicCegarLoop]: 124 mSDtfsCounter, 205 mSDsluCounter, 379 mSDsCounter, 0 mSdLazyCounter, 477 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 205 SdHoareTripleChecker+Valid, 502 SdHoareTripleChecker+Invalid, 522 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 477 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:52:34,952 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [205 Valid, 502 Invalid, 522 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 477 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-01 16:52:34,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1700 states. [2022-03-01 16:52:34,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1700 to 1374. [2022-03-01 16:52:34,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1374 states, 1367 states have (on average 1.8668617410387711) internal successors, (2552), 1373 states have internal predecessors, (2552), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:34,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1374 states to 1374 states and 2552 transitions. [2022-03-01 16:52:34,966 INFO L78 Accepts]: Start accepts. Automaton has 1374 states and 2552 transitions. Word has length 115 [2022-03-01 16:52:34,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:52:34,967 INFO L470 AbstractCegarLoop]: Abstraction has 1374 states and 2552 transitions. [2022-03-01 16:52:34,967 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:34,967 INFO L276 IsEmpty]: Start isEmpty. Operand 1374 states and 2552 transitions. [2022-03-01 16:52:34,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-03-01 16:52:34,969 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:52:34,969 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:52:34,969 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable154 [2022-03-01 16:52:34,969 INFO L402 AbstractCegarLoop]: === Iteration 156 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:52:34,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:52:34,970 INFO L85 PathProgramCache]: Analyzing trace with hash 494832927, now seen corresponding path program 5 times [2022-03-01 16:52:34,970 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:52:34,970 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [31229702] [2022-03-01 16:52:34,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:52:34,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:52:34,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:52:35,423 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:52:35,423 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:52:35,423 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [31229702] [2022-03-01 16:52:35,423 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [31229702] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:52:35,423 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:52:35,423 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:52:35,423 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405903093] [2022-03-01 16:52:35,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:52:35,423 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:52:35,424 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:52:35,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:52:35,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:52:35,424 INFO L87 Difference]: Start difference. First operand 1374 states and 2552 transitions. Second operand has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:35,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:52:35,949 INFO L93 Difference]: Finished difference Result 1689 states and 3079 transitions. [2022-03-01 16:52:35,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-01 16:52:35,949 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2022-03-01 16:52:35,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:52:35,952 INFO L225 Difference]: With dead ends: 1689 [2022-03-01 16:52:35,952 INFO L226 Difference]: Without dead ends: 1689 [2022-03-01 16:52:35,952 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2022-03-01 16:52:35,952 INFO L933 BasicCegarLoop]: 125 mSDtfsCounter, 193 mSDsluCounter, 451 mSDsCounter, 0 mSdLazyCounter, 545 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 193 SdHoareTripleChecker+Valid, 575 SdHoareTripleChecker+Invalid, 591 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 545 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:52:35,952 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [193 Valid, 575 Invalid, 591 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 545 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-01 16:52:35,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1689 states. [2022-03-01 16:52:35,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1689 to 1386. [2022-03-01 16:52:35,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1386 states, 1379 states have (on average 1.8607686729514141) internal successors, (2566), 1385 states have internal predecessors, (2566), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:35,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1386 states to 1386 states and 2566 transitions. [2022-03-01 16:52:35,967 INFO L78 Accepts]: Start accepts. Automaton has 1386 states and 2566 transitions. Word has length 115 [2022-03-01 16:52:35,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:52:35,967 INFO L470 AbstractCegarLoop]: Abstraction has 1386 states and 2566 transitions. [2022-03-01 16:52:35,967 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:35,967 INFO L276 IsEmpty]: Start isEmpty. Operand 1386 states and 2566 transitions. [2022-03-01 16:52:35,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-03-01 16:52:35,968 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:52:35,968 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:52:35,969 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable155 [2022-03-01 16:52:35,969 INFO L402 AbstractCegarLoop]: === Iteration 157 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:52:35,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:52:35,969 INFO L85 PathProgramCache]: Analyzing trace with hash 1341906476, now seen corresponding path program 1 times [2022-03-01 16:52:35,969 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:52:35,969 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [691733224] [2022-03-01 16:52:35,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:52:35,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:52:35,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:52:36,071 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:52:36,072 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:52:36,072 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [691733224] [2022-03-01 16:52:36,072 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [691733224] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:52:36,072 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:52:36,072 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-03-01 16:52:36,072 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [698896395] [2022-03-01 16:52:36,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:52:36,072 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-03-01 16:52:36,072 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:52:36,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-03-01 16:52:36,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2022-03-01 16:52:36,073 INFO L87 Difference]: Start difference. First operand 1386 states and 2566 transitions. Second operand has 8 states, 7 states have (on average 10.0) internal successors, (70), 8 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:36,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:52:36,297 INFO L93 Difference]: Finished difference Result 1459 states and 2702 transitions. [2022-03-01 16:52:36,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-01 16:52:36,297 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 10.0) internal successors, (70), 8 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2022-03-01 16:52:36,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:52:36,299 INFO L225 Difference]: With dead ends: 1459 [2022-03-01 16:52:36,299 INFO L226 Difference]: Without dead ends: 1459 [2022-03-01 16:52:36,299 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2022-03-01 16:52:36,299 INFO L933 BasicCegarLoop]: 145 mSDtfsCounter, 137 mSDsluCounter, 329 mSDsCounter, 0 mSdLazyCounter, 322 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 473 SdHoareTripleChecker+Invalid, 339 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 322 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-01 16:52:36,299 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [137 Valid, 473 Invalid, 339 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 322 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-01 16:52:36,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1459 states. [2022-03-01 16:52:36,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1459 to 1391. [2022-03-01 16:52:36,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1391 states, 1384 states have (on average 1.861271676300578) internal successors, (2576), 1390 states have internal predecessors, (2576), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:36,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1391 states to 1391 states and 2576 transitions. [2022-03-01 16:52:36,310 INFO L78 Accepts]: Start accepts. Automaton has 1391 states and 2576 transitions. Word has length 115 [2022-03-01 16:52:36,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:52:36,310 INFO L470 AbstractCegarLoop]: Abstraction has 1391 states and 2576 transitions. [2022-03-01 16:52:36,310 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 10.0) internal successors, (70), 8 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:36,310 INFO L276 IsEmpty]: Start isEmpty. Operand 1391 states and 2576 transitions. [2022-03-01 16:52:36,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-03-01 16:52:36,311 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:52:36,311 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:52:36,311 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable156 [2022-03-01 16:52:36,311 INFO L402 AbstractCegarLoop]: === Iteration 158 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:52:36,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:52:36,312 INFO L85 PathProgramCache]: Analyzing trace with hash 1255449956, now seen corresponding path program 2 times [2022-03-01 16:52:36,312 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:52:36,312 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1237710235] [2022-03-01 16:52:36,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:52:36,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:52:36,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:52:36,704 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:52:36,704 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:52:36,704 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1237710235] [2022-03-01 16:52:36,704 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1237710235] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:52:36,704 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:52:36,704 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-03-01 16:52:36,704 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712679197] [2022-03-01 16:52:36,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:52:36,705 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-03-01 16:52:36,705 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:52:36,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-03-01 16:52:36,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2022-03-01 16:52:36,705 INFO L87 Difference]: Start difference. First operand 1391 states and 2576 transitions. Second operand has 11 states, 10 states have (on average 7.0) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:37,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:52:37,356 INFO L93 Difference]: Finished difference Result 2658 states and 4925 transitions. [2022-03-01 16:52:37,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-03-01 16:52:37,357 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 7.0) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2022-03-01 16:52:37,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:52:37,360 INFO L225 Difference]: With dead ends: 2658 [2022-03-01 16:52:37,360 INFO L226 Difference]: Without dead ends: 2658 [2022-03-01 16:52:37,360 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=97, Invalid=209, Unknown=0, NotChecked=0, Total=306 [2022-03-01 16:52:37,360 INFO L933 BasicCegarLoop]: 149 mSDtfsCounter, 209 mSDsluCounter, 414 mSDsCounter, 0 mSdLazyCounter, 675 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 209 SdHoareTripleChecker+Valid, 562 SdHoareTripleChecker+Invalid, 730 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 675 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:52:37,360 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [209 Valid, 562 Invalid, 730 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 675 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-01 16:52:37,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2658 states. [2022-03-01 16:52:37,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2658 to 1788. [2022-03-01 16:52:37,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1788 states, 1781 states have (on average 1.8916339135317237) internal successors, (3369), 1787 states have internal predecessors, (3369), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:37,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1788 states to 1788 states and 3369 transitions. [2022-03-01 16:52:37,379 INFO L78 Accepts]: Start accepts. Automaton has 1788 states and 3369 transitions. Word has length 115 [2022-03-01 16:52:37,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:52:37,379 INFO L470 AbstractCegarLoop]: Abstraction has 1788 states and 3369 transitions. [2022-03-01 16:52:37,379 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 7.0) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:37,379 INFO L276 IsEmpty]: Start isEmpty. Operand 1788 states and 3369 transitions. [2022-03-01 16:52:37,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-03-01 16:52:37,380 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:52:37,380 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:52:37,380 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable157 [2022-03-01 16:52:37,380 INFO L402 AbstractCegarLoop]: === Iteration 159 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:52:37,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:52:37,381 INFO L85 PathProgramCache]: Analyzing trace with hash 1357951778, now seen corresponding path program 3 times [2022-03-01 16:52:37,381 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:52:37,381 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [445036959] [2022-03-01 16:52:37,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:52:37,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:52:37,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:52:37,702 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:52:37,702 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:52:37,702 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [445036959] [2022-03-01 16:52:37,702 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [445036959] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:52:37,702 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:52:37,702 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:52:37,702 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2041131309] [2022-03-01 16:52:37,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:52:37,703 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:52:37,703 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:52:37,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:52:37,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:52:37,703 INFO L87 Difference]: Start difference. First operand 1788 states and 3369 transitions. Second operand has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:38,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:52:38,181 INFO L93 Difference]: Finished difference Result 2123 states and 3939 transitions. [2022-03-01 16:52:38,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-01 16:52:38,182 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2022-03-01 16:52:38,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:52:38,184 INFO L225 Difference]: With dead ends: 2123 [2022-03-01 16:52:38,184 INFO L226 Difference]: Without dead ends: 2123 [2022-03-01 16:52:38,184 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2022-03-01 16:52:38,184 INFO L933 BasicCegarLoop]: 137 mSDtfsCounter, 189 mSDsluCounter, 464 mSDsCounter, 0 mSdLazyCounter, 557 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 189 SdHoareTripleChecker+Valid, 599 SdHoareTripleChecker+Invalid, 595 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 557 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:52:38,184 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [189 Valid, 599 Invalid, 595 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 557 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-01 16:52:38,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2123 states. [2022-03-01 16:52:38,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2123 to 1442. [2022-03-01 16:52:38,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1442 states, 1435 states have (on average 1.864808362369338) internal successors, (2676), 1441 states have internal predecessors, (2676), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:38,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1442 states to 1442 states and 2676 transitions. [2022-03-01 16:52:38,196 INFO L78 Accepts]: Start accepts. Automaton has 1442 states and 2676 transitions. Word has length 115 [2022-03-01 16:52:38,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:52:38,197 INFO L470 AbstractCegarLoop]: Abstraction has 1442 states and 2676 transitions. [2022-03-01 16:52:38,197 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:38,197 INFO L276 IsEmpty]: Start isEmpty. Operand 1442 states and 2676 transitions. [2022-03-01 16:52:38,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-03-01 16:52:38,198 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:52:38,198 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:52:38,198 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable158 [2022-03-01 16:52:38,198 INFO L402 AbstractCegarLoop]: === Iteration 160 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:52:38,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:52:38,198 INFO L85 PathProgramCache]: Analyzing trace with hash -756561180, now seen corresponding path program 4 times [2022-03-01 16:52:38,198 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:52:38,198 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2138991135] [2022-03-01 16:52:38,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:52:38,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:52:38,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:52:38,597 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:52:38,597 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:52:38,597 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2138991135] [2022-03-01 16:52:38,597 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2138991135] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:52:38,597 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:52:38,597 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:52:38,597 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1069109873] [2022-03-01 16:52:38,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:52:38,598 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:52:38,598 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:52:38,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:52:38,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:52:38,598 INFO L87 Difference]: Start difference. First operand 1442 states and 2676 transitions. Second operand has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:39,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:52:39,030 INFO L93 Difference]: Finished difference Result 1710 states and 3115 transitions. [2022-03-01 16:52:39,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-01 16:52:39,030 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2022-03-01 16:52:39,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:52:39,032 INFO L225 Difference]: With dead ends: 1710 [2022-03-01 16:52:39,032 INFO L226 Difference]: Without dead ends: 1710 [2022-03-01 16:52:39,032 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2022-03-01 16:52:39,033 INFO L933 BasicCegarLoop]: 137 mSDtfsCounter, 236 mSDsluCounter, 319 mSDsCounter, 0 mSdLazyCounter, 440 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 236 SdHoareTripleChecker+Valid, 454 SdHoareTripleChecker+Invalid, 485 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 440 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:52:39,033 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [236 Valid, 454 Invalid, 485 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 440 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-01 16:52:39,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1710 states. [2022-03-01 16:52:39,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1710 to 1456. [2022-03-01 16:52:39,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1456 states, 1449 states have (on average 1.8564527260179433) internal successors, (2690), 1455 states have internal predecessors, (2690), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:39,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1456 states to 1456 states and 2690 transitions. [2022-03-01 16:52:39,044 INFO L78 Accepts]: Start accepts. Automaton has 1456 states and 2690 transitions. Word has length 115 [2022-03-01 16:52:39,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:52:39,044 INFO L470 AbstractCegarLoop]: Abstraction has 1456 states and 2690 transitions. [2022-03-01 16:52:39,044 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:39,044 INFO L276 IsEmpty]: Start isEmpty. Operand 1456 states and 2690 transitions. [2022-03-01 16:52:39,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-03-01 16:52:39,045 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:52:39,045 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:52:39,045 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable159 [2022-03-01 16:52:39,046 INFO L402 AbstractCegarLoop]: === Iteration 161 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:52:39,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:52:39,046 INFO L85 PathProgramCache]: Analyzing trace with hash -620045404, now seen corresponding path program 5 times [2022-03-01 16:52:39,046 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:52:39,046 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1670562611] [2022-03-01 16:52:39,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:52:39,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:52:39,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:52:39,287 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:52:39,287 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:52:39,287 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1670562611] [2022-03-01 16:52:39,287 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1670562611] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:52:39,287 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:52:39,287 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:52:39,287 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142363569] [2022-03-01 16:52:39,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:52:39,288 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:52:39,288 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:52:39,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:52:39,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:52:39,288 INFO L87 Difference]: Start difference. First operand 1456 states and 2690 transitions. Second operand has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:39,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:52:39,983 INFO L93 Difference]: Finished difference Result 1734 states and 3179 transitions. [2022-03-01 16:52:39,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-01 16:52:39,983 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2022-03-01 16:52:39,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:52:39,985 INFO L225 Difference]: With dead ends: 1734 [2022-03-01 16:52:39,985 INFO L226 Difference]: Without dead ends: 1734 [2022-03-01 16:52:39,985 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 5 SyntacticMatches, 3 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=187, Invalid=365, Unknown=0, NotChecked=0, Total=552 [2022-03-01 16:52:39,985 INFO L933 BasicCegarLoop]: 183 mSDtfsCounter, 285 mSDsluCounter, 506 mSDsCounter, 0 mSdLazyCounter, 601 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 285 SdHoareTripleChecker+Valid, 687 SdHoareTripleChecker+Invalid, 671 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 601 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:52:39,986 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [285 Valid, 687 Invalid, 671 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 601 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-01 16:52:39,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1734 states. [2022-03-01 16:52:39,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1734 to 1458. [2022-03-01 16:52:39,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1458 states, 1451 states have (on average 1.8566505858028945) internal successors, (2694), 1457 states have internal predecessors, (2694), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:39,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1458 states to 1458 states and 2694 transitions. [2022-03-01 16:52:39,998 INFO L78 Accepts]: Start accepts. Automaton has 1458 states and 2694 transitions. Word has length 115 [2022-03-01 16:52:39,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:52:39,998 INFO L470 AbstractCegarLoop]: Abstraction has 1458 states and 2694 transitions. [2022-03-01 16:52:39,998 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:39,998 INFO L276 IsEmpty]: Start isEmpty. Operand 1458 states and 2694 transitions. [2022-03-01 16:52:39,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-03-01 16:52:39,999 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:52:39,999 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:52:39,999 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable160 [2022-03-01 16:52:39,999 INFO L402 AbstractCegarLoop]: === Iteration 162 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:52:39,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:52:39,999 INFO L85 PathProgramCache]: Analyzing trace with hash -706501924, now seen corresponding path program 6 times [2022-03-01 16:52:39,999 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:52:39,999 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [834373239] [2022-03-01 16:52:39,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:52:40,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:52:40,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:52:40,351 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:52:40,351 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:52:40,351 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [834373239] [2022-03-01 16:52:40,351 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [834373239] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:52:40,351 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:52:40,351 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:52:40,351 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394998702] [2022-03-01 16:52:40,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:52:40,351 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:52:40,351 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:52:40,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:52:40,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:52:40,352 INFO L87 Difference]: Start difference. First operand 1458 states and 2694 transitions. Second operand has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:40,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:52:40,759 INFO L93 Difference]: Finished difference Result 1738 states and 3176 transitions. [2022-03-01 16:52:40,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-01 16:52:40,759 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2022-03-01 16:52:40,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:52:40,761 INFO L225 Difference]: With dead ends: 1738 [2022-03-01 16:52:40,761 INFO L226 Difference]: Without dead ends: 1738 [2022-03-01 16:52:40,761 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=103, Invalid=203, Unknown=0, NotChecked=0, Total=306 [2022-03-01 16:52:40,761 INFO L933 BasicCegarLoop]: 126 mSDtfsCounter, 164 mSDsluCounter, 286 mSDsCounter, 0 mSdLazyCounter, 374 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 164 SdHoareTripleChecker+Valid, 410 SdHoareTripleChecker+Invalid, 407 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 374 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:52:40,761 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [164 Valid, 410 Invalid, 407 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 374 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-01 16:52:40,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1738 states. [2022-03-01 16:52:40,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1738 to 1474. [2022-03-01 16:52:40,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1474 states, 1467 states have (on average 1.858214042263122) internal successors, (2726), 1473 states have internal predecessors, (2726), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:40,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1474 states to 1474 states and 2726 transitions. [2022-03-01 16:52:40,773 INFO L78 Accepts]: Start accepts. Automaton has 1474 states and 2726 transitions. Word has length 115 [2022-03-01 16:52:40,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:52:40,773 INFO L470 AbstractCegarLoop]: Abstraction has 1474 states and 2726 transitions. [2022-03-01 16:52:40,773 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:40,773 INFO L276 IsEmpty]: Start isEmpty. Operand 1474 states and 2726 transitions. [2022-03-01 16:52:40,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-03-01 16:52:40,774 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:52:40,774 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:52:40,774 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable161 [2022-03-01 16:52:40,774 INFO L402 AbstractCegarLoop]: === Iteration 163 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:52:40,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:52:40,774 INFO L85 PathProgramCache]: Analyzing trace with hash 936941442, now seen corresponding path program 7 times [2022-03-01 16:52:40,774 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:52:40,775 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1516169227] [2022-03-01 16:52:40,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:52:40,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:52:40,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:52:41,169 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:52:41,170 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:52:41,170 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1516169227] [2022-03-01 16:52:41,170 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1516169227] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:52:41,170 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:52:41,170 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:52:41,170 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [832067011] [2022-03-01 16:52:41,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:52:41,170 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:52:41,170 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:52:41,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:52:41,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:52:41,171 INFO L87 Difference]: Start difference. First operand 1474 states and 2726 transitions. Second operand has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:41,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:52:41,701 INFO L93 Difference]: Finished difference Result 1731 states and 3163 transitions. [2022-03-01 16:52:41,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-01 16:52:41,701 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2022-03-01 16:52:41,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:52:41,703 INFO L225 Difference]: With dead ends: 1731 [2022-03-01 16:52:41,703 INFO L226 Difference]: Without dead ends: 1731 [2022-03-01 16:52:41,703 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=103, Invalid=203, Unknown=0, NotChecked=0, Total=306 [2022-03-01 16:52:41,703 INFO L933 BasicCegarLoop]: 126 mSDtfsCounter, 155 mSDsluCounter, 522 mSDsCounter, 0 mSdLazyCounter, 610 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 646 SdHoareTripleChecker+Invalid, 644 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 610 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:52:41,703 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [155 Valid, 646 Invalid, 644 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 610 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-01 16:52:41,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1731 states. [2022-03-01 16:52:41,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1731 to 1477. [2022-03-01 16:52:41,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1477 states, 1470 states have (on average 1.8585034013605441) internal successors, (2732), 1476 states have internal predecessors, (2732), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:41,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1477 states to 1477 states and 2732 transitions. [2022-03-01 16:52:41,715 INFO L78 Accepts]: Start accepts. Automaton has 1477 states and 2732 transitions. Word has length 115 [2022-03-01 16:52:41,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:52:41,715 INFO L470 AbstractCegarLoop]: Abstraction has 1477 states and 2732 transitions. [2022-03-01 16:52:41,715 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:41,715 INFO L276 IsEmpty]: Start isEmpty. Operand 1477 states and 2732 transitions. [2022-03-01 16:52:41,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-03-01 16:52:41,716 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:52:41,716 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:52:41,716 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable162 [2022-03-01 16:52:41,716 INFO L402 AbstractCegarLoop]: === Iteration 164 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:52:41,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:52:41,717 INFO L85 PathProgramCache]: Analyzing trace with hash 1231552126, now seen corresponding path program 8 times [2022-03-01 16:52:41,717 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:52:41,717 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [451485254] [2022-03-01 16:52:41,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:52:41,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:52:41,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:52:42,193 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:52:42,193 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:52:42,193 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [451485254] [2022-03-01 16:52:42,193 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [451485254] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:52:42,193 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:52:42,193 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:52:42,193 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106442200] [2022-03-01 16:52:42,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:52:42,194 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:52:42,194 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:52:42,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:52:42,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:52:42,194 INFO L87 Difference]: Start difference. First operand 1477 states and 2732 transitions. Second operand has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:42,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:52:42,684 INFO L93 Difference]: Finished difference Result 1725 states and 3153 transitions. [2022-03-01 16:52:42,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-01 16:52:42,684 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2022-03-01 16:52:42,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:52:42,686 INFO L225 Difference]: With dead ends: 1725 [2022-03-01 16:52:42,686 INFO L226 Difference]: Without dead ends: 1725 [2022-03-01 16:52:42,686 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=103, Invalid=203, Unknown=0, NotChecked=0, Total=306 [2022-03-01 16:52:42,687 INFO L933 BasicCegarLoop]: 126 mSDtfsCounter, 153 mSDsluCounter, 419 mSDsCounter, 0 mSdLazyCounter, 472 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 153 SdHoareTripleChecker+Valid, 543 SdHoareTripleChecker+Invalid, 506 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 472 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:52:42,687 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [153 Valid, 543 Invalid, 506 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 472 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-01 16:52:42,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1725 states. [2022-03-01 16:52:42,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1725 to 1459. [2022-03-01 16:52:42,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1459 states, 1452 states have (on average 1.856749311294766) internal successors, (2696), 1458 states have internal predecessors, (2696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:42,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1459 states to 1459 states and 2696 transitions. [2022-03-01 16:52:42,698 INFO L78 Accepts]: Start accepts. Automaton has 1459 states and 2696 transitions. Word has length 115 [2022-03-01 16:52:42,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:52:42,699 INFO L470 AbstractCegarLoop]: Abstraction has 1459 states and 2696 transitions. [2022-03-01 16:52:42,699 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:42,699 INFO L276 IsEmpty]: Start isEmpty. Operand 1459 states and 2696 transitions. [2022-03-01 16:52:42,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-03-01 16:52:42,700 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:52:42,700 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:52:42,700 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable163 [2022-03-01 16:52:42,700 INFO L402 AbstractCegarLoop]: === Iteration 165 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:52:42,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:52:42,700 INFO L85 PathProgramCache]: Analyzing trace with hash 600982884, now seen corresponding path program 9 times [2022-03-01 16:52:42,700 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:52:42,700 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1631766555] [2022-03-01 16:52:42,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:52:42,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:52:42,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:52:43,318 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:52:43,319 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:52:43,319 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1631766555] [2022-03-01 16:52:43,319 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1631766555] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:52:43,319 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:52:43,319 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:52:43,319 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1638499773] [2022-03-01 16:52:43,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:52:43,319 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:52:43,319 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:52:43,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:52:43,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:52:43,320 INFO L87 Difference]: Start difference. First operand 1459 states and 2696 transitions. Second operand has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:43,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:52:43,794 INFO L93 Difference]: Finished difference Result 1704 states and 3114 transitions. [2022-03-01 16:52:43,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-01 16:52:43,794 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2022-03-01 16:52:43,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:52:43,796 INFO L225 Difference]: With dead ends: 1704 [2022-03-01 16:52:43,796 INFO L226 Difference]: Without dead ends: 1704 [2022-03-01 16:52:43,796 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=105, Invalid=201, Unknown=0, NotChecked=0, Total=306 [2022-03-01 16:52:43,797 INFO L933 BasicCegarLoop]: 128 mSDtfsCounter, 170 mSDsluCounter, 296 mSDsCounter, 0 mSdLazyCounter, 398 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 422 SdHoareTripleChecker+Invalid, 439 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 398 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:52:43,797 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [170 Valid, 422 Invalid, 439 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 398 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-01 16:52:43,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1704 states. [2022-03-01 16:52:43,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1704 to 1460. [2022-03-01 16:52:43,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1460 states, 1453 states have (on average 1.8568479008947005) internal successors, (2698), 1459 states have internal predecessors, (2698), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:43,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1460 states to 1460 states and 2698 transitions. [2022-03-01 16:52:43,808 INFO L78 Accepts]: Start accepts. Automaton has 1460 states and 2698 transitions. Word has length 115 [2022-03-01 16:52:43,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:52:43,808 INFO L470 AbstractCegarLoop]: Abstraction has 1460 states and 2698 transitions. [2022-03-01 16:52:43,808 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:43,808 INFO L276 IsEmpty]: Start isEmpty. Operand 1460 states and 2698 transitions. [2022-03-01 16:52:43,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-03-01 16:52:43,809 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:52:43,809 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:52:43,809 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable164 [2022-03-01 16:52:43,809 INFO L402 AbstractCegarLoop]: === Iteration 166 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:52:43,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:52:43,810 INFO L85 PathProgramCache]: Analyzing trace with hash 1402755940, now seen corresponding path program 10 times [2022-03-01 16:52:43,810 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:52:43,810 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [892385835] [2022-03-01 16:52:43,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:52:43,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:52:43,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:52:44,527 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:52:44,528 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:52:44,528 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [892385835] [2022-03-01 16:52:44,528 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [892385835] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:52:44,528 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:52:44,528 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:52:44,528 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867254340] [2022-03-01 16:52:44,528 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:52:44,528 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:52:44,528 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:52:44,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:52:44,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:52:44,529 INFO L87 Difference]: Start difference. First operand 1460 states and 2698 transitions. Second operand has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:45,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:52:45,101 INFO L93 Difference]: Finished difference Result 1686 states and 3078 transitions. [2022-03-01 16:52:45,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-01 16:52:45,102 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2022-03-01 16:52:45,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:52:45,103 INFO L225 Difference]: With dead ends: 1686 [2022-03-01 16:52:45,104 INFO L226 Difference]: Without dead ends: 1686 [2022-03-01 16:52:45,104 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=109, Invalid=197, Unknown=0, NotChecked=0, Total=306 [2022-03-01 16:52:45,104 INFO L933 BasicCegarLoop]: 132 mSDtfsCounter, 179 mSDsluCounter, 375 mSDsCounter, 0 mSdLazyCounter, 493 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 179 SdHoareTripleChecker+Valid, 505 SdHoareTripleChecker+Invalid, 537 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 493 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:52:45,104 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [179 Valid, 505 Invalid, 537 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 493 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-01 16:52:45,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1686 states. [2022-03-01 16:52:45,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1686 to 1462. [2022-03-01 16:52:45,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1462 states, 1455 states have (on average 1.8563573883161513) internal successors, (2701), 1461 states have internal predecessors, (2701), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:45,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1462 states to 1462 states and 2701 transitions. [2022-03-01 16:52:45,116 INFO L78 Accepts]: Start accepts. Automaton has 1462 states and 2701 transitions. Word has length 115 [2022-03-01 16:52:45,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:52:45,116 INFO L470 AbstractCegarLoop]: Abstraction has 1462 states and 2701 transitions. [2022-03-01 16:52:45,117 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:45,117 INFO L276 IsEmpty]: Start isEmpty. Operand 1462 states and 2701 transitions. [2022-03-01 16:52:45,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-03-01 16:52:45,118 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:52:45,118 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:52:45,118 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable165 [2022-03-01 16:52:45,118 INFO L402 AbstractCegarLoop]: === Iteration 167 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:52:45,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:52:45,119 INFO L85 PathProgramCache]: Analyzing trace with hash 290712422, now seen corresponding path program 11 times [2022-03-01 16:52:45,119 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:52:45,119 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [109160389] [2022-03-01 16:52:45,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:52:45,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:52:45,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:52:46,170 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:52:46,170 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:52:46,170 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [109160389] [2022-03-01 16:52:46,170 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [109160389] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:52:46,170 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:52:46,170 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-03-01 16:52:46,171 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166987441] [2022-03-01 16:52:46,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:52:46,171 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-01 16:52:46,171 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:52:46,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-01 16:52:46,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=278, Unknown=0, NotChecked=0, Total=342 [2022-03-01 16:52:46,171 INFO L87 Difference]: Start difference. First operand 1462 states and 2701 transitions. Second operand has 19 states, 18 states have (on average 3.888888888888889) internal successors, (70), 19 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:47,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:52:47,715 INFO L93 Difference]: Finished difference Result 2174 states and 3983 transitions. [2022-03-01 16:52:47,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-01 16:52:47,715 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.888888888888889) internal successors, (70), 19 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2022-03-01 16:52:47,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:52:47,718 INFO L225 Difference]: With dead ends: 2174 [2022-03-01 16:52:47,718 INFO L226 Difference]: Without dead ends: 2174 [2022-03-01 16:52:47,718 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 376 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=361, Invalid=1279, Unknown=0, NotChecked=0, Total=1640 [2022-03-01 16:52:47,718 INFO L933 BasicCegarLoop]: 135 mSDtfsCounter, 735 mSDsluCounter, 762 mSDsCounter, 0 mSdLazyCounter, 1030 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 735 SdHoareTripleChecker+Valid, 895 SdHoareTripleChecker+Invalid, 1130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 1030 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-03-01 16:52:47,718 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [735 Valid, 895 Invalid, 1130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 1030 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-03-01 16:52:47,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2174 states. [2022-03-01 16:52:47,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2174 to 1467. [2022-03-01 16:52:47,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1467 states, 1460 states have (on average 1.856849315068493) internal successors, (2711), 1466 states have internal predecessors, (2711), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:47,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1467 states to 1467 states and 2711 transitions. [2022-03-01 16:52:47,730 INFO L78 Accepts]: Start accepts. Automaton has 1467 states and 2711 transitions. Word has length 115 [2022-03-01 16:52:47,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:52:47,730 INFO L470 AbstractCegarLoop]: Abstraction has 1467 states and 2711 transitions. [2022-03-01 16:52:47,730 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.888888888888889) internal successors, (70), 19 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:47,731 INFO L276 IsEmpty]: Start isEmpty. Operand 1467 states and 2711 transitions. [2022-03-01 16:52:47,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-03-01 16:52:47,732 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:52:47,732 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:52:47,732 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable166 [2022-03-01 16:52:47,732 INFO L402 AbstractCegarLoop]: === Iteration 168 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:52:47,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:52:47,732 INFO L85 PathProgramCache]: Analyzing trace with hash 2030768574, now seen corresponding path program 12 times [2022-03-01 16:52:47,732 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:52:47,732 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1873309598] [2022-03-01 16:52:47,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:52:47,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:52:47,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:52:48,485 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:52:48,485 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:52:48,485 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1873309598] [2022-03-01 16:52:48,485 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1873309598] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:52:48,485 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:52:48,485 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:52:48,486 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1990424399] [2022-03-01 16:52:48,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:52:48,486 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:52:48,486 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:52:48,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:52:48,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:52:48,486 INFO L87 Difference]: Start difference. First operand 1467 states and 2711 transitions. Second operand has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:49,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:52:49,045 INFO L93 Difference]: Finished difference Result 1708 states and 3113 transitions. [2022-03-01 16:52:49,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-01 16:52:49,045 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2022-03-01 16:52:49,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:52:49,047 INFO L225 Difference]: With dead ends: 1708 [2022-03-01 16:52:49,047 INFO L226 Difference]: Without dead ends: 1708 [2022-03-01 16:52:49,047 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=107, Invalid=199, Unknown=0, NotChecked=0, Total=306 [2022-03-01 16:52:49,047 INFO L933 BasicCegarLoop]: 130 mSDtfsCounter, 160 mSDsluCounter, 427 mSDsCounter, 0 mSdLazyCounter, 512 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 555 SdHoareTripleChecker+Invalid, 550 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 512 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:52:49,047 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [160 Valid, 555 Invalid, 550 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 512 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-01 16:52:49,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1708 states. [2022-03-01 16:52:49,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1708 to 1462. [2022-03-01 16:52:49,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1462 states, 1455 states have (on average 1.8563573883161513) internal successors, (2701), 1461 states have internal predecessors, (2701), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:49,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1462 states to 1462 states and 2701 transitions. [2022-03-01 16:52:49,059 INFO L78 Accepts]: Start accepts. Automaton has 1462 states and 2701 transitions. Word has length 115 [2022-03-01 16:52:49,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:52:49,059 INFO L470 AbstractCegarLoop]: Abstraction has 1462 states and 2701 transitions. [2022-03-01 16:52:49,059 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:49,059 INFO L276 IsEmpty]: Start isEmpty. Operand 1462 states and 2701 transitions. [2022-03-01 16:52:49,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-03-01 16:52:49,060 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:52:49,060 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:52:49,060 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable167 [2022-03-01 16:52:49,060 INFO L402 AbstractCegarLoop]: === Iteration 169 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:52:49,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:52:49,061 INFO L85 PathProgramCache]: Analyzing trace with hash 182468356, now seen corresponding path program 13 times [2022-03-01 16:52:49,061 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:52:49,061 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [475328655] [2022-03-01 16:52:49,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:52:49,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:52:49,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:52:49,371 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:52:49,371 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:52:49,371 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [475328655] [2022-03-01 16:52:49,372 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [475328655] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:52:49,372 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:52:49,372 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:52:49,372 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [538644652] [2022-03-01 16:52:49,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:52:49,372 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:52:49,372 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:52:49,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:52:49,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:52:49,372 INFO L87 Difference]: Start difference. First operand 1462 states and 2701 transitions. Second operand has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:49,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:52:49,697 INFO L93 Difference]: Finished difference Result 1588 states and 2917 transitions. [2022-03-01 16:52:49,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-01 16:52:49,697 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2022-03-01 16:52:49,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:52:49,699 INFO L225 Difference]: With dead ends: 1588 [2022-03-01 16:52:49,699 INFO L226 Difference]: Without dead ends: 1588 [2022-03-01 16:52:49,709 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=81, Invalid=159, Unknown=0, NotChecked=0, Total=240 [2022-03-01 16:52:49,709 INFO L933 BasicCegarLoop]: 143 mSDtfsCounter, 114 mSDsluCounter, 302 mSDsCounter, 0 mSdLazyCounter, 326 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 443 SdHoareTripleChecker+Invalid, 362 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 326 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-01 16:52:49,709 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [114 Valid, 443 Invalid, 362 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 326 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-01 16:52:49,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1588 states. [2022-03-01 16:52:49,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1588 to 1466. [2022-03-01 16:52:49,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1466 states, 1459 states have (on average 1.8567511994516792) internal successors, (2709), 1465 states have internal predecessors, (2709), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:49,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1466 states to 1466 states and 2709 transitions. [2022-03-01 16:52:49,724 INFO L78 Accepts]: Start accepts. Automaton has 1466 states and 2709 transitions. Word has length 115 [2022-03-01 16:52:49,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:52:49,724 INFO L470 AbstractCegarLoop]: Abstraction has 1466 states and 2709 transitions. [2022-03-01 16:52:49,724 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:49,725 INFO L276 IsEmpty]: Start isEmpty. Operand 1466 states and 2709 transitions. [2022-03-01 16:52:49,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-03-01 16:52:49,726 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:52:49,726 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:52:49,726 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable168 [2022-03-01 16:52:49,726 INFO L402 AbstractCegarLoop]: === Iteration 170 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:52:49,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:52:49,727 INFO L85 PathProgramCache]: Analyzing trace with hash 1825911722, now seen corresponding path program 14 times [2022-03-01 16:52:49,727 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:52:49,727 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309990450] [2022-03-01 16:52:49,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:52:49,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:52:49,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:52:50,070 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:52:50,070 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:52:50,070 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [309990450] [2022-03-01 16:52:50,070 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [309990450] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:52:50,070 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:52:50,070 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:52:50,071 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526589931] [2022-03-01 16:52:50,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:52:50,071 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:52:50,071 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:52:50,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:52:50,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:52:50,071 INFO L87 Difference]: Start difference. First operand 1466 states and 2709 transitions. Second operand has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:50,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:52:50,444 INFO L93 Difference]: Finished difference Result 1581 states and 2904 transitions. [2022-03-01 16:52:50,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-01 16:52:50,444 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2022-03-01 16:52:50,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:52:50,446 INFO L225 Difference]: With dead ends: 1581 [2022-03-01 16:52:50,446 INFO L226 Difference]: Without dead ends: 1581 [2022-03-01 16:52:50,446 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=81, Invalid=159, Unknown=0, NotChecked=0, Total=240 [2022-03-01 16:52:50,446 INFO L933 BasicCegarLoop]: 143 mSDtfsCounter, 109 mSDsluCounter, 388 mSDsCounter, 0 mSdLazyCounter, 386 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 529 SdHoareTripleChecker+Invalid, 424 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 386 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-01 16:52:50,446 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [109 Valid, 529 Invalid, 424 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 386 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-01 16:52:50,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1581 states. [2022-03-01 16:52:50,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1581 to 1469. [2022-03-01 16:52:50,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1469 states, 1462 states have (on average 1.8570451436388509) internal successors, (2715), 1468 states have internal predecessors, (2715), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:50,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1469 states to 1469 states and 2715 transitions. [2022-03-01 16:52:50,457 INFO L78 Accepts]: Start accepts. Automaton has 1469 states and 2715 transitions. Word has length 115 [2022-03-01 16:52:50,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:52:50,457 INFO L470 AbstractCegarLoop]: Abstraction has 1469 states and 2715 transitions. [2022-03-01 16:52:50,457 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:50,457 INFO L276 IsEmpty]: Start isEmpty. Operand 1469 states and 2715 transitions. [2022-03-01 16:52:50,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-03-01 16:52:50,458 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:52:50,458 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:52:50,459 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable169 [2022-03-01 16:52:50,459 INFO L402 AbstractCegarLoop]: === Iteration 171 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:52:50,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:52:50,459 INFO L85 PathProgramCache]: Analyzing trace with hash 2120522406, now seen corresponding path program 15 times [2022-03-01 16:52:50,459 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:52:50,459 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1778676237] [2022-03-01 16:52:50,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:52:50,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:52:50,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:52:50,865 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:52:50,865 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:52:50,865 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1778676237] [2022-03-01 16:52:50,865 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1778676237] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:52:50,865 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:52:50,865 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:52:50,865 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601128779] [2022-03-01 16:52:50,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:52:50,866 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:52:50,866 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:52:50,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:52:50,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:52:50,866 INFO L87 Difference]: Start difference. First operand 1469 states and 2715 transitions. Second operand has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:51,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:52:51,267 INFO L93 Difference]: Finished difference Result 1575 states and 2894 transitions. [2022-03-01 16:52:51,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-01 16:52:51,267 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2022-03-01 16:52:51,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:52:51,269 INFO L225 Difference]: With dead ends: 1575 [2022-03-01 16:52:51,269 INFO L226 Difference]: Without dead ends: 1575 [2022-03-01 16:52:51,269 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=81, Invalid=159, Unknown=0, NotChecked=0, Total=240 [2022-03-01 16:52:51,269 INFO L933 BasicCegarLoop]: 143 mSDtfsCounter, 93 mSDsluCounter, 450 mSDsCounter, 0 mSdLazyCounter, 418 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 590 SdHoareTripleChecker+Invalid, 453 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 418 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:52:51,269 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [93 Valid, 590 Invalid, 453 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 418 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-01 16:52:51,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1575 states. [2022-03-01 16:52:51,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1575 to 1451. [2022-03-01 16:52:51,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1451 states, 1444 states have (on average 1.855263157894737) internal successors, (2679), 1450 states have internal predecessors, (2679), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:51,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1451 states to 1451 states and 2679 transitions. [2022-03-01 16:52:51,281 INFO L78 Accepts]: Start accepts. Automaton has 1451 states and 2679 transitions. Word has length 115 [2022-03-01 16:52:51,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:52:51,281 INFO L470 AbstractCegarLoop]: Abstraction has 1451 states and 2679 transitions. [2022-03-01 16:52:51,281 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:51,281 INFO L276 IsEmpty]: Start isEmpty. Operand 1451 states and 2679 transitions. [2022-03-01 16:52:51,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-03-01 16:52:51,282 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:52:51,282 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:52:51,282 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable170 [2022-03-01 16:52:51,282 INFO L402 AbstractCegarLoop]: === Iteration 172 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:52:51,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:52:51,282 INFO L85 PathProgramCache]: Analyzing trace with hash 1489953164, now seen corresponding path program 16 times [2022-03-01 16:52:51,282 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:52:51,282 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [182068464] [2022-03-01 16:52:51,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:52:51,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:52:51,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:52:51,881 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:52:51,881 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:52:51,881 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [182068464] [2022-03-01 16:52:51,881 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [182068464] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:52:51,881 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:52:51,881 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-03-01 16:52:51,881 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [622853702] [2022-03-01 16:52:51,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:52:51,882 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-01 16:52:51,882 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:52:51,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-01 16:52:51,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=283, Unknown=0, NotChecked=0, Total=342 [2022-03-01 16:52:51,882 INFO L87 Difference]: Start difference. First operand 1451 states and 2679 transitions. Second operand has 19 states, 18 states have (on average 3.888888888888889) internal successors, (70), 19 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:52,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:52:52,971 INFO L93 Difference]: Finished difference Result 1794 states and 3284 transitions. [2022-03-01 16:52:52,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-03-01 16:52:52,972 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.888888888888889) internal successors, (70), 19 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2022-03-01 16:52:52,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:52:52,974 INFO L225 Difference]: With dead ends: 1794 [2022-03-01 16:52:52,974 INFO L226 Difference]: Without dead ends: 1794 [2022-03-01 16:52:52,974 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 316 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=306, Invalid=1100, Unknown=0, NotChecked=0, Total=1406 [2022-03-01 16:52:52,974 INFO L933 BasicCegarLoop]: 186 mSDtfsCounter, 656 mSDsluCounter, 1191 mSDsCounter, 0 mSdLazyCounter, 1063 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 656 SdHoareTripleChecker+Valid, 1374 SdHoareTripleChecker+Invalid, 1157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 1063 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-03-01 16:52:52,974 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [656 Valid, 1374 Invalid, 1157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 1063 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-03-01 16:52:52,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1794 states. [2022-03-01 16:52:52,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1794 to 1452. [2022-03-01 16:52:52,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1452 states, 1445 states have (on average 1.855363321799308) internal successors, (2681), 1451 states have internal predecessors, (2681), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:52,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1452 states to 1452 states and 2681 transitions. [2022-03-01 16:52:52,986 INFO L78 Accepts]: Start accepts. Automaton has 1452 states and 2681 transitions. Word has length 115 [2022-03-01 16:52:52,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:52:52,986 INFO L470 AbstractCegarLoop]: Abstraction has 1452 states and 2681 transitions. [2022-03-01 16:52:52,986 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.888888888888889) internal successors, (70), 19 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:52,986 INFO L276 IsEmpty]: Start isEmpty. Operand 1452 states and 2681 transitions. [2022-03-01 16:52:52,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-03-01 16:52:52,987 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:52:52,987 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:52:52,987 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable171 [2022-03-01 16:52:52,987 INFO L402 AbstractCegarLoop]: === Iteration 173 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:52:52,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:52:52,988 INFO L85 PathProgramCache]: Analyzing trace with hash -2003241076, now seen corresponding path program 17 times [2022-03-01 16:52:52,988 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:52:52,988 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1579027446] [2022-03-01 16:52:52,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:52:52,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:52:53,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:52:53,608 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:52:53,609 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:52:53,609 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1579027446] [2022-03-01 16:52:53,609 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1579027446] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:52:53,609 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:52:53,609 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:52:53,609 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2115653093] [2022-03-01 16:52:53,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:52:53,609 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:52:53,609 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:52:53,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:52:53,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:52:53,609 INFO L87 Difference]: Start difference. First operand 1452 states and 2681 transitions. Second operand has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:54,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:52:54,223 INFO L93 Difference]: Finished difference Result 1603 states and 2934 transitions. [2022-03-01 16:52:54,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-03-01 16:52:54,223 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2022-03-01 16:52:54,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:52:54,225 INFO L225 Difference]: With dead ends: 1603 [2022-03-01 16:52:54,225 INFO L226 Difference]: Without dead ends: 1603 [2022-03-01 16:52:54,225 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=123, Invalid=257, Unknown=0, NotChecked=0, Total=380 [2022-03-01 16:52:54,225 INFO L933 BasicCegarLoop]: 147 mSDtfsCounter, 106 mSDsluCounter, 400 mSDsCounter, 0 mSdLazyCounter, 424 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 545 SdHoareTripleChecker+Invalid, 470 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 424 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:52:54,225 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [106 Valid, 545 Invalid, 470 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 424 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-01 16:52:54,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1603 states. [2022-03-01 16:52:54,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1603 to 1453. [2022-03-01 16:52:54,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1453 states, 1446 states have (on average 1.855463347164592) internal successors, (2683), 1452 states have internal predecessors, (2683), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:54,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1453 states to 1453 states and 2683 transitions. [2022-03-01 16:52:54,236 INFO L78 Accepts]: Start accepts. Automaton has 1453 states and 2683 transitions. Word has length 115 [2022-03-01 16:52:54,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:52:54,237 INFO L470 AbstractCegarLoop]: Abstraction has 1453 states and 2683 transitions. [2022-03-01 16:52:54,237 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:54,237 INFO L276 IsEmpty]: Start isEmpty. Operand 1453 states and 2683 transitions. [2022-03-01 16:52:54,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-03-01 16:52:54,238 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:52:54,238 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:52:54,238 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable172 [2022-03-01 16:52:54,238 INFO L402 AbstractCegarLoop]: === Iteration 174 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:52:54,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:52:54,238 INFO L85 PathProgramCache]: Analyzing trace with hash 1179682702, now seen corresponding path program 18 times [2022-03-01 16:52:54,238 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:52:54,238 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1060240487] [2022-03-01 16:52:54,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:52:54,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:52:54,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:52:55,011 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:52:55,011 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:52:55,011 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1060240487] [2022-03-01 16:52:55,012 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1060240487] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:52:55,012 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:52:55,012 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-03-01 16:52:55,012 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [835348913] [2022-03-01 16:52:55,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:52:55,012 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-01 16:52:55,012 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:52:55,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-01 16:52:55,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=283, Unknown=0, NotChecked=0, Total=342 [2022-03-01 16:52:55,012 INFO L87 Difference]: Start difference. First operand 1453 states and 2683 transitions. Second operand has 19 states, 18 states have (on average 3.888888888888889) internal successors, (70), 19 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:56,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:52:56,069 INFO L93 Difference]: Finished difference Result 1775 states and 3246 transitions. [2022-03-01 16:52:56,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-03-01 16:52:56,069 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.888888888888889) internal successors, (70), 19 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2022-03-01 16:52:56,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:52:56,071 INFO L225 Difference]: With dead ends: 1775 [2022-03-01 16:52:56,071 INFO L226 Difference]: Without dead ends: 1775 [2022-03-01 16:52:56,071 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 352 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=323, Invalid=1159, Unknown=0, NotChecked=0, Total=1482 [2022-03-01 16:52:56,071 INFO L933 BasicCegarLoop]: 186 mSDtfsCounter, 627 mSDsluCounter, 912 mSDsCounter, 0 mSdLazyCounter, 787 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 627 SdHoareTripleChecker+Valid, 1094 SdHoareTripleChecker+Invalid, 880 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 787 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-03-01 16:52:56,071 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [627 Valid, 1094 Invalid, 880 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 787 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-01 16:52:56,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1775 states. [2022-03-01 16:52:56,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1775 to 1450. [2022-03-01 16:52:56,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1450 states, 1443 states have (on average 1.8551628551628552) internal successors, (2677), 1449 states have internal predecessors, (2677), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:56,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1450 states to 1450 states and 2677 transitions. [2022-03-01 16:52:56,083 INFO L78 Accepts]: Start accepts. Automaton has 1450 states and 2677 transitions. Word has length 115 [2022-03-01 16:52:56,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:52:56,083 INFO L470 AbstractCegarLoop]: Abstraction has 1450 states and 2677 transitions. [2022-03-01 16:52:56,083 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.888888888888889) internal successors, (70), 19 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:56,083 INFO L276 IsEmpty]: Start isEmpty. Operand 1450 states and 2677 transitions. [2022-03-01 16:52:56,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-03-01 16:52:56,084 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:52:56,084 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:52:56,084 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable173 [2022-03-01 16:52:56,084 INFO L402 AbstractCegarLoop]: === Iteration 175 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:52:56,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:52:56,084 INFO L85 PathProgramCache]: Analyzing trace with hash 2131155892, now seen corresponding path program 19 times [2022-03-01 16:52:56,084 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:52:56,085 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1015784226] [2022-03-01 16:52:56,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:52:56,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:52:56,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:52:56,619 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:52:56,619 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:52:56,620 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1015784226] [2022-03-01 16:52:56,620 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1015784226] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:52:56,620 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:52:56,620 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-03-01 16:52:56,620 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1847568661] [2022-03-01 16:52:56,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:52:56,620 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-01 16:52:56,620 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:52:56,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-01 16:52:56,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=285, Unknown=0, NotChecked=0, Total=342 [2022-03-01 16:52:56,620 INFO L87 Difference]: Start difference. First operand 1450 states and 2677 transitions. Second operand has 19 states, 18 states have (on average 3.888888888888889) internal successors, (70), 19 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:57,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:52:57,586 INFO L93 Difference]: Finished difference Result 1726 states and 3167 transitions. [2022-03-01 16:52:57,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-01 16:52:57,586 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.888888888888889) internal successors, (70), 19 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2022-03-01 16:52:57,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:52:57,588 INFO L225 Difference]: With dead ends: 1726 [2022-03-01 16:52:57,588 INFO L226 Difference]: Without dead ends: 1726 [2022-03-01 16:52:57,588 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 292 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=293, Invalid=1039, Unknown=0, NotChecked=0, Total=1332 [2022-03-01 16:52:57,589 INFO L933 BasicCegarLoop]: 196 mSDtfsCounter, 646 mSDsluCounter, 1199 mSDsCounter, 0 mSdLazyCounter, 1028 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 646 SdHoareTripleChecker+Valid, 1391 SdHoareTripleChecker+Invalid, 1108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 1028 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-03-01 16:52:57,589 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [646 Valid, 1391 Invalid, 1108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 1028 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-01 16:52:57,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1726 states. [2022-03-01 16:52:57,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1726 to 1441. [2022-03-01 16:52:57,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1441 states, 1434 states have (on average 1.8542538354253835) internal successors, (2659), 1440 states have internal predecessors, (2659), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:57,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1441 states to 1441 states and 2659 transitions. [2022-03-01 16:52:57,600 INFO L78 Accepts]: Start accepts. Automaton has 1441 states and 2659 transitions. Word has length 115 [2022-03-01 16:52:57,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:52:57,600 INFO L470 AbstractCegarLoop]: Abstraction has 1441 states and 2659 transitions. [2022-03-01 16:52:57,600 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.888888888888889) internal successors, (70), 19 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:57,600 INFO L276 IsEmpty]: Start isEmpty. Operand 1441 states and 2659 transitions. [2022-03-01 16:52:57,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-03-01 16:52:57,601 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:52:57,601 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:52:57,601 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable174 [2022-03-01 16:52:57,601 INFO L402 AbstractCegarLoop]: === Iteration 176 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:52:57,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:52:57,602 INFO L85 PathProgramCache]: Analyzing trace with hash -1362038348, now seen corresponding path program 20 times [2022-03-01 16:52:57,602 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:52:57,602 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [488073545] [2022-03-01 16:52:57,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:52:57,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:52:57,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:52:58,173 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:52:58,173 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:52:58,173 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [488073545] [2022-03-01 16:52:58,173 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [488073545] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:52:58,173 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:52:58,173 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:52:58,173 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [804388102] [2022-03-01 16:52:58,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:52:58,173 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:52:58,173 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:52:58,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:52:58,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:52:58,174 INFO L87 Difference]: Start difference. First operand 1441 states and 2659 transitions. Second operand has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:58,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:52:58,692 INFO L93 Difference]: Finished difference Result 1583 states and 2894 transitions. [2022-03-01 16:52:58,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-01 16:52:58,692 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2022-03-01 16:52:58,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:52:58,694 INFO L225 Difference]: With dead ends: 1583 [2022-03-01 16:52:58,694 INFO L226 Difference]: Without dead ends: 1583 [2022-03-01 16:52:58,694 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=98, Invalid=208, Unknown=0, NotChecked=0, Total=306 [2022-03-01 16:52:58,694 INFO L933 BasicCegarLoop]: 161 mSDtfsCounter, 122 mSDsluCounter, 404 mSDsCounter, 0 mSdLazyCounter, 382 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 562 SdHoareTripleChecker+Invalid, 424 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 382 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:52:58,694 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [122 Valid, 562 Invalid, 424 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 382 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-01 16:52:58,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1583 states. [2022-03-01 16:52:58,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1583 to 1442. [2022-03-01 16:52:58,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1442 states, 1435 states have (on average 1.854355400696864) internal successors, (2661), 1441 states have internal predecessors, (2661), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:58,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1442 states to 1442 states and 2661 transitions. [2022-03-01 16:52:58,705 INFO L78 Accepts]: Start accepts. Automaton has 1442 states and 2661 transitions. Word has length 115 [2022-03-01 16:52:58,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:52:58,705 INFO L470 AbstractCegarLoop]: Abstraction has 1442 states and 2661 transitions. [2022-03-01 16:52:58,705 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:58,705 INFO L276 IsEmpty]: Start isEmpty. Operand 1442 states and 2661 transitions. [2022-03-01 16:52:58,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-03-01 16:52:58,706 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:52:58,706 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:52:58,706 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable175 [2022-03-01 16:52:58,707 INFO L402 AbstractCegarLoop]: === Iteration 177 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:52:58,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:52:58,707 INFO L85 PathProgramCache]: Analyzing trace with hash 1820885430, now seen corresponding path program 21 times [2022-03-01 16:52:58,707 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:52:58,707 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [477491650] [2022-03-01 16:52:58,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:52:58,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:52:58,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:52:59,370 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:52:59,370 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:52:59,370 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [477491650] [2022-03-01 16:52:59,370 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [477491650] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:52:59,370 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:52:59,371 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-03-01 16:52:59,371 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1322765019] [2022-03-01 16:52:59,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:52:59,371 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-01 16:52:59,371 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:52:59,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-01 16:52:59,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=285, Unknown=0, NotChecked=0, Total=342 [2022-03-01 16:52:59,371 INFO L87 Difference]: Start difference. First operand 1442 states and 2661 transitions. Second operand has 19 states, 18 states have (on average 3.888888888888889) internal successors, (70), 19 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:00,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:53:00,485 INFO L93 Difference]: Finished difference Result 1755 states and 3206 transitions. [2022-03-01 16:53:00,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-03-01 16:53:00,485 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.888888888888889) internal successors, (70), 19 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2022-03-01 16:53:00,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:53:00,487 INFO L225 Difference]: With dead ends: 1755 [2022-03-01 16:53:00,487 INFO L226 Difference]: Without dead ends: 1755 [2022-03-01 16:53:00,487 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 356 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=322, Invalid=1160, Unknown=0, NotChecked=0, Total=1482 [2022-03-01 16:53:00,488 INFO L933 BasicCegarLoop]: 200 mSDtfsCounter, 664 mSDsluCounter, 1363 mSDsCounter, 0 mSdLazyCounter, 1125 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 664 SdHoareTripleChecker+Valid, 1558 SdHoareTripleChecker+Invalid, 1216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 1125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-03-01 16:53:00,488 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [664 Valid, 1558 Invalid, 1216 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 1125 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-03-01 16:53:00,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1755 states. [2022-03-01 16:53:00,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1755 to 1440. [2022-03-01 16:53:00,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1440 states, 1433 states have (on average 1.854152128401954) internal successors, (2657), 1439 states have internal predecessors, (2657), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:00,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1440 states to 1440 states and 2657 transitions. [2022-03-01 16:53:00,499 INFO L78 Accepts]: Start accepts. Automaton has 1440 states and 2657 transitions. Word has length 115 [2022-03-01 16:53:00,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:53:00,499 INFO L470 AbstractCegarLoop]: Abstraction has 1440 states and 2657 transitions. [2022-03-01 16:53:00,499 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.888888888888889) internal successors, (70), 19 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:00,499 INFO L276 IsEmpty]: Start isEmpty. Operand 1440 states and 2657 transitions. [2022-03-01 16:53:00,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-03-01 16:53:00,500 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:53:00,500 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:53:00,500 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable176 [2022-03-01 16:53:00,500 INFO L402 AbstractCegarLoop]: === Iteration 178 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:53:00,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:53:00,500 INFO L85 PathProgramCache]: Analyzing trace with hash 2088934690, now seen corresponding path program 22 times [2022-03-01 16:53:00,500 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:53:00,500 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1217366203] [2022-03-01 16:53:00,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:53:00,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:53:00,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:53:00,912 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:53:00,912 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:53:00,912 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1217366203] [2022-03-01 16:53:00,912 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1217366203] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:53:00,912 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:53:00,912 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:53:00,912 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615236257] [2022-03-01 16:53:00,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:53:00,913 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:53:00,913 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:53:00,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:53:00,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:53:00,913 INFO L87 Difference]: Start difference. First operand 1440 states and 2657 transitions. Second operand has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:01,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:53:01,262 INFO L93 Difference]: Finished difference Result 1514 states and 2784 transitions. [2022-03-01 16:53:01,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-01 16:53:01,263 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2022-03-01 16:53:01,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:53:01,264 INFO L225 Difference]: With dead ends: 1514 [2022-03-01 16:53:01,264 INFO L226 Difference]: Without dead ends: 1514 [2022-03-01 16:53:01,264 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=50, Invalid=82, Unknown=0, NotChecked=0, Total=132 [2022-03-01 16:53:01,265 INFO L933 BasicCegarLoop]: 185 mSDtfsCounter, 164 mSDsluCounter, 452 mSDsCounter, 0 mSdLazyCounter, 391 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 164 SdHoareTripleChecker+Valid, 634 SdHoareTripleChecker+Invalid, 420 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 391 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:53:01,265 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [164 Valid, 634 Invalid, 420 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 391 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-01 16:53:01,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1514 states. [2022-03-01 16:53:01,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1514 to 1440. [2022-03-01 16:53:01,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1440 states, 1433 states have (on average 1.854152128401954) internal successors, (2657), 1439 states have internal predecessors, (2657), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:01,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1440 states to 1440 states and 2657 transitions. [2022-03-01 16:53:01,278 INFO L78 Accepts]: Start accepts. Automaton has 1440 states and 2657 transitions. Word has length 115 [2022-03-01 16:53:01,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:53:01,278 INFO L470 AbstractCegarLoop]: Abstraction has 1440 states and 2657 transitions. [2022-03-01 16:53:01,278 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:01,278 INFO L276 IsEmpty]: Start isEmpty. Operand 1440 states and 2657 transitions. [2022-03-01 16:53:01,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-03-01 16:53:01,279 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:53:01,280 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:53:01,280 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable177 [2022-03-01 16:53:01,280 INFO L402 AbstractCegarLoop]: === Iteration 179 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:53:01,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:53:01,280 INFO L85 PathProgramCache]: Analyzing trace with hash 49289922, now seen corresponding path program 23 times [2022-03-01 16:53:01,280 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:53:01,280 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620101160] [2022-03-01 16:53:01,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:53:01,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:53:01,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:53:01,916 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:53:01,916 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:53:01,916 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1620101160] [2022-03-01 16:53:01,916 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1620101160] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:53:01,916 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:53:01,916 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-03-01 16:53:01,916 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [594318131] [2022-03-01 16:53:01,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:53:01,917 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-01 16:53:01,917 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:53:01,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-01 16:53:01,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=285, Unknown=0, NotChecked=0, Total=342 [2022-03-01 16:53:01,917 INFO L87 Difference]: Start difference. First operand 1440 states and 2657 transitions. Second operand has 19 states, 18 states have (on average 3.888888888888889) internal successors, (70), 19 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:03,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:53:03,124 INFO L93 Difference]: Finished difference Result 1717 states and 3139 transitions. [2022-03-01 16:53:03,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-03-01 16:53:03,125 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.888888888888889) internal successors, (70), 19 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2022-03-01 16:53:03,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:53:03,127 INFO L225 Difference]: With dead ends: 1717 [2022-03-01 16:53:03,127 INFO L226 Difference]: Without dead ends: 1717 [2022-03-01 16:53:03,127 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 378 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=344, Invalid=1216, Unknown=0, NotChecked=0, Total=1560 [2022-03-01 16:53:03,127 INFO L933 BasicCegarLoop]: 228 mSDtfsCounter, 761 mSDsluCounter, 1268 mSDsCounter, 0 mSdLazyCounter, 1158 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 761 SdHoareTripleChecker+Valid, 1494 SdHoareTripleChecker+Invalid, 1251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 1158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-03-01 16:53:03,127 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [761 Valid, 1494 Invalid, 1251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 1158 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-03-01 16:53:03,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1717 states. [2022-03-01 16:53:03,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1717 to 1441. [2022-03-01 16:53:03,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1441 states, 1434 states have (on average 1.8542538354253835) internal successors, (2659), 1440 states have internal predecessors, (2659), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:03,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1441 states to 1441 states and 2659 transitions. [2022-03-01 16:53:03,138 INFO L78 Accepts]: Start accepts. Automaton has 1441 states and 2659 transitions. Word has length 115 [2022-03-01 16:53:03,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:53:03,139 INFO L470 AbstractCegarLoop]: Abstraction has 1441 states and 2659 transitions. [2022-03-01 16:53:03,139 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.888888888888889) internal successors, (70), 19 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:03,139 INFO L276 IsEmpty]: Start isEmpty. Operand 1441 states and 2659 transitions. [2022-03-01 16:53:03,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-03-01 16:53:03,140 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:53:03,140 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:53:03,140 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable178 [2022-03-01 16:53:03,140 INFO L402 AbstractCegarLoop]: === Iteration 180 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:53:03,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:53:03,140 INFO L85 PathProgramCache]: Analyzing trace with hash -1062753596, now seen corresponding path program 24 times [2022-03-01 16:53:03,141 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:53:03,141 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1565818138] [2022-03-01 16:53:03,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:53:03,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:53:03,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:53:03,740 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:53:03,741 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:53:03,741 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1565818138] [2022-03-01 16:53:03,741 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1565818138] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:53:03,741 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:53:03,741 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-03-01 16:53:03,741 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1231419817] [2022-03-01 16:53:03,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:53:03,741 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-01 16:53:03,741 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:53:03,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-01 16:53:03,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=285, Unknown=0, NotChecked=0, Total=342 [2022-03-01 16:53:03,742 INFO L87 Difference]: Start difference. First operand 1441 states and 2659 transitions. Second operand has 19 states, 18 states have (on average 3.888888888888889) internal successors, (70), 19 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:04,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:53:04,836 INFO L93 Difference]: Finished difference Result 1706 states and 3127 transitions. [2022-03-01 16:53:04,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-03-01 16:53:04,836 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.888888888888889) internal successors, (70), 19 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2022-03-01 16:53:04,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:53:04,838 INFO L225 Difference]: With dead ends: 1706 [2022-03-01 16:53:04,838 INFO L226 Difference]: Without dead ends: 1706 [2022-03-01 16:53:04,838 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 350 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=338, Invalid=1144, Unknown=0, NotChecked=0, Total=1482 [2022-03-01 16:53:04,838 INFO L933 BasicCegarLoop]: 228 mSDtfsCounter, 726 mSDsluCounter, 1199 mSDsCounter, 0 mSdLazyCounter, 955 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 726 SdHoareTripleChecker+Valid, 1422 SdHoareTripleChecker+Invalid, 1037 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 955 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-03-01 16:53:04,838 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [726 Valid, 1422 Invalid, 1037 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 955 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-03-01 16:53:04,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1706 states. [2022-03-01 16:53:04,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1706 to 1440. [2022-03-01 16:53:04,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1440 states, 1433 states have (on average 1.854152128401954) internal successors, (2657), 1439 states have internal predecessors, (2657), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:04,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1440 states to 1440 states and 2657 transitions. [2022-03-01 16:53:04,849 INFO L78 Accepts]: Start accepts. Automaton has 1440 states and 2657 transitions. Word has length 115 [2022-03-01 16:53:04,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:53:04,849 INFO L470 AbstractCegarLoop]: Abstraction has 1440 states and 2657 transitions. [2022-03-01 16:53:04,849 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.888888888888889) internal successors, (70), 19 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:04,849 INFO L276 IsEmpty]: Start isEmpty. Operand 1440 states and 2657 transitions. [2022-03-01 16:53:04,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-03-01 16:53:04,859 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:53:04,859 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:53:04,859 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable179 [2022-03-01 16:53:04,859 INFO L402 AbstractCegarLoop]: === Iteration 181 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:53:04,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:53:04,860 INFO L85 PathProgramCache]: Analyzing trace with hash -1384961470, now seen corresponding path program 2 times [2022-03-01 16:53:04,860 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:53:04,860 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401014288] [2022-03-01 16:53:04,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:53:04,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:53:04,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:53:05,286 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:53:05,286 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:53:05,286 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401014288] [2022-03-01 16:53:05,286 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [401014288] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:53:05,286 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:53:05,286 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:53:05,286 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1854216544] [2022-03-01 16:53:05,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:53:05,286 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:53:05,286 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:53:05,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:53:05,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:53:05,287 INFO L87 Difference]: Start difference. First operand 1440 states and 2657 transitions. Second operand has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:05,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:53:05,735 INFO L93 Difference]: Finished difference Result 1694 states and 3084 transitions. [2022-03-01 16:53:05,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-01 16:53:05,735 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2022-03-01 16:53:05,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:53:05,737 INFO L225 Difference]: With dead ends: 1694 [2022-03-01 16:53:05,737 INFO L226 Difference]: Without dead ends: 1694 [2022-03-01 16:53:05,737 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=60, Invalid=96, Unknown=0, NotChecked=0, Total=156 [2022-03-01 16:53:05,737 INFO L933 BasicCegarLoop]: 135 mSDtfsCounter, 240 mSDsluCounter, 322 mSDsCounter, 0 mSdLazyCounter, 491 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 240 SdHoareTripleChecker+Valid, 456 SdHoareTripleChecker+Invalid, 544 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 491 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:53:05,737 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [240 Valid, 456 Invalid, 544 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 491 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-01 16:53:05,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1694 states. [2022-03-01 16:53:05,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1694 to 1416. [2022-03-01 16:53:05,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1416 states, 1409 states have (on average 1.85166784953868) internal successors, (2609), 1415 states have internal predecessors, (2609), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:05,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1416 states to 1416 states and 2609 transitions. [2022-03-01 16:53:05,749 INFO L78 Accepts]: Start accepts. Automaton has 1416 states and 2609 transitions. Word has length 115 [2022-03-01 16:53:05,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:53:05,749 INFO L470 AbstractCegarLoop]: Abstraction has 1416 states and 2609 transitions. [2022-03-01 16:53:05,749 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:05,749 INFO L276 IsEmpty]: Start isEmpty. Operand 1416 states and 2609 transitions. [2022-03-01 16:53:05,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-03-01 16:53:05,750 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:53:05,750 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:53:05,750 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable180 [2022-03-01 16:53:05,750 INFO L402 AbstractCegarLoop]: === Iteration 182 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:53:05,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:53:05,751 INFO L85 PathProgramCache]: Analyzing trace with hash -1293879257, now seen corresponding path program 6 times [2022-03-01 16:53:05,751 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:53:05,751 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [4182148] [2022-03-01 16:53:05,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:53:05,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:53:05,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:53:05,975 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:53:05,975 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:53:05,975 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [4182148] [2022-03-01 16:53:05,975 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [4182148] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:53:05,975 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:53:05,975 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:53:05,975 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [965291073] [2022-03-01 16:53:05,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:53:05,976 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:53:05,976 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:53:05,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:53:05,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:53:05,976 INFO L87 Difference]: Start difference. First operand 1416 states and 2609 transitions. Second operand has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:06,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:53:06,342 INFO L93 Difference]: Finished difference Result 1754 states and 3199 transitions. [2022-03-01 16:53:06,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-01 16:53:06,342 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2022-03-01 16:53:06,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:53:06,344 INFO L225 Difference]: With dead ends: 1754 [2022-03-01 16:53:06,344 INFO L226 Difference]: Without dead ends: 1754 [2022-03-01 16:53:06,344 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=60, Invalid=96, Unknown=0, NotChecked=0, Total=156 [2022-03-01 16:53:06,344 INFO L933 BasicCegarLoop]: 115 mSDtfsCounter, 243 mSDsluCounter, 251 mSDsCounter, 0 mSdLazyCounter, 457 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 243 SdHoareTripleChecker+Valid, 366 SdHoareTripleChecker+Invalid, 490 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 457 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:53:06,344 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [243 Valid, 366 Invalid, 490 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 457 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-01 16:53:06,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1754 states. [2022-03-01 16:53:06,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1754 to 1417. [2022-03-01 16:53:06,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1417 states, 1410 states have (on average 1.8517730496453901) internal successors, (2611), 1416 states have internal predecessors, (2611), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:06,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1417 states to 1417 states and 2611 transitions. [2022-03-01 16:53:06,356 INFO L78 Accepts]: Start accepts. Automaton has 1417 states and 2611 transitions. Word has length 115 [2022-03-01 16:53:06,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:53:06,356 INFO L470 AbstractCegarLoop]: Abstraction has 1417 states and 2611 transitions. [2022-03-01 16:53:06,357 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:06,357 INFO L276 IsEmpty]: Start isEmpty. Operand 1417 states and 2611 transitions. [2022-03-01 16:53:06,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-03-01 16:53:06,358 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:53:06,358 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:53:06,358 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable181 [2022-03-01 16:53:06,358 INFO L402 AbstractCegarLoop]: === Iteration 183 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:53:06,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:53:06,358 INFO L85 PathProgramCache]: Analyzing trace with hash -1293848567, now seen corresponding path program 7 times [2022-03-01 16:53:06,358 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:53:06,358 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1775330190] [2022-03-01 16:53:06,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:53:06,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:53:06,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:53:06,638 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:53:06,638 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:53:06,638 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1775330190] [2022-03-01 16:53:06,638 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1775330190] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:53:06,639 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:53:06,639 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:53:06,639 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2060582931] [2022-03-01 16:53:06,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:53:06,639 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:53:06,639 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:53:06,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:53:06,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:53:06,639 INFO L87 Difference]: Start difference. First operand 1417 states and 2611 transitions. Second operand has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:07,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:53:07,093 INFO L93 Difference]: Finished difference Result 1726 states and 3144 transitions. [2022-03-01 16:53:07,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-01 16:53:07,093 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2022-03-01 16:53:07,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:53:07,095 INFO L225 Difference]: With dead ends: 1726 [2022-03-01 16:53:07,095 INFO L226 Difference]: Without dead ends: 1726 [2022-03-01 16:53:07,095 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=54, Invalid=78, Unknown=0, NotChecked=0, Total=132 [2022-03-01 16:53:07,095 INFO L933 BasicCegarLoop]: 115 mSDtfsCounter, 194 mSDsluCounter, 398 mSDsCounter, 0 mSdLazyCounter, 623 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 513 SdHoareTripleChecker+Invalid, 657 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 623 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:53:07,095 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [194 Valid, 513 Invalid, 657 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 623 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-01 16:53:07,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1726 states. [2022-03-01 16:53:07,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1726 to 1407. [2022-03-01 16:53:07,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1407 states, 1400 states have (on average 1.8507142857142858) internal successors, (2591), 1406 states have internal predecessors, (2591), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:07,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1407 states to 1407 states and 2591 transitions. [2022-03-01 16:53:07,115 INFO L78 Accepts]: Start accepts. Automaton has 1407 states and 2591 transitions. Word has length 115 [2022-03-01 16:53:07,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:53:07,116 INFO L470 AbstractCegarLoop]: Abstraction has 1407 states and 2591 transitions. [2022-03-01 16:53:07,116 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:07,116 INFO L276 IsEmpty]: Start isEmpty. Operand 1407 states and 2591 transitions. [2022-03-01 16:53:07,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-03-01 16:53:07,117 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:53:07,117 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:53:07,117 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable182 [2022-03-01 16:53:07,118 INFO L402 AbstractCegarLoop]: === Iteration 184 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:53:07,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:53:07,118 INFO L85 PathProgramCache]: Analyzing trace with hash 1867641571, now seen corresponding path program 8 times [2022-03-01 16:53:07,118 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:53:07,118 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1219129757] [2022-03-01 16:53:07,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:53:07,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:53:07,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:53:07,569 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:53:07,569 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:53:07,569 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1219129757] [2022-03-01 16:53:07,569 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1219129757] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:53:07,569 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:53:07,569 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:53:07,569 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1198487476] [2022-03-01 16:53:07,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:53:07,570 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:53:07,570 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:53:07,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:53:07,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:53:07,570 INFO L87 Difference]: Start difference. First operand 1407 states and 2591 transitions. Second operand has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:08,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:53:08,025 INFO L93 Difference]: Finished difference Result 1689 states and 3071 transitions. [2022-03-01 16:53:08,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-01 16:53:08,025 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2022-03-01 16:53:08,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:53:08,027 INFO L225 Difference]: With dead ends: 1689 [2022-03-01 16:53:08,027 INFO L226 Difference]: Without dead ends: 1689 [2022-03-01 16:53:08,027 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=54, Invalid=78, Unknown=0, NotChecked=0, Total=132 [2022-03-01 16:53:08,028 INFO L933 BasicCegarLoop]: 115 mSDtfsCounter, 227 mSDsluCounter, 351 mSDsCounter, 0 mSdLazyCounter, 593 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 227 SdHoareTripleChecker+Valid, 466 SdHoareTripleChecker+Invalid, 629 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 593 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:53:08,028 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [227 Valid, 466 Invalid, 629 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 593 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-01 16:53:08,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1689 states. [2022-03-01 16:53:08,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1689 to 1394. [2022-03-01 16:53:08,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1394 states, 1387 states have (on average 1.8493150684931507) internal successors, (2565), 1393 states have internal predecessors, (2565), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:08,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1394 states to 1394 states and 2565 transitions. [2022-03-01 16:53:08,039 INFO L78 Accepts]: Start accepts. Automaton has 1394 states and 2565 transitions. Word has length 115 [2022-03-01 16:53:08,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:53:08,039 INFO L470 AbstractCegarLoop]: Abstraction has 1394 states and 2565 transitions. [2022-03-01 16:53:08,039 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:08,039 INFO L276 IsEmpty]: Start isEmpty. Operand 1394 states and 2565 transitions. [2022-03-01 16:53:08,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-03-01 16:53:08,040 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:53:08,040 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:53:08,040 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable183 [2022-03-01 16:53:08,040 INFO L402 AbstractCegarLoop]: === Iteration 185 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:53:08,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:53:08,040 INFO L85 PathProgramCache]: Analyzing trace with hash 413002505, now seen corresponding path program 9 times [2022-03-01 16:53:08,040 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:53:08,040 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750003579] [2022-03-01 16:53:08,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:53:08,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:53:08,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:53:08,490 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:53:08,491 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:53:08,491 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1750003579] [2022-03-01 16:53:08,491 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1750003579] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:53:08,491 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:53:08,491 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:53:08,491 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [980513078] [2022-03-01 16:53:08,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:53:08,491 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:53:08,491 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:53:08,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:53:08,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:53:08,492 INFO L87 Difference]: Start difference. First operand 1394 states and 2565 transitions. Second operand has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:08,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:53:08,926 INFO L93 Difference]: Finished difference Result 1675 states and 3045 transitions. [2022-03-01 16:53:08,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-01 16:53:08,926 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2022-03-01 16:53:08,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:53:08,928 INFO L225 Difference]: With dead ends: 1675 [2022-03-01 16:53:08,928 INFO L226 Difference]: Without dead ends: 1675 [2022-03-01 16:53:08,928 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=54, Invalid=78, Unknown=0, NotChecked=0, Total=132 [2022-03-01 16:53:08,928 INFO L933 BasicCegarLoop]: 115 mSDtfsCounter, 203 mSDsluCounter, 302 mSDsCounter, 0 mSdLazyCounter, 536 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 203 SdHoareTripleChecker+Valid, 417 SdHoareTripleChecker+Invalid, 574 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 536 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:53:08,928 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [203 Valid, 417 Invalid, 574 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 536 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-01 16:53:08,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1675 states. [2022-03-01 16:53:08,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1675 to 1377. [2022-03-01 16:53:08,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1377 states, 1370 states have (on average 1.8518248175182481) internal successors, (2537), 1376 states have internal predecessors, (2537), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:08,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1377 states to 1377 states and 2537 transitions. [2022-03-01 16:53:08,939 INFO L78 Accepts]: Start accepts. Automaton has 1377 states and 2537 transitions. Word has length 115 [2022-03-01 16:53:08,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:53:08,939 INFO L470 AbstractCegarLoop]: Abstraction has 1377 states and 2537 transitions. [2022-03-01 16:53:08,939 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:08,939 INFO L276 IsEmpty]: Start isEmpty. Operand 1377 states and 2537 transitions. [2022-03-01 16:53:08,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-03-01 16:53:08,940 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:53:08,940 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:53:08,941 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable184 [2022-03-01 16:53:08,941 INFO L402 AbstractCegarLoop]: === Iteration 186 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:53:08,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:53:08,941 INFO L85 PathProgramCache]: Analyzing trace with hash 1173619534, now seen corresponding path program 25 times [2022-03-01 16:53:08,941 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:53:08,941 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1388466412] [2022-03-01 16:53:08,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:53:08,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:53:08,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:53:09,370 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:53:09,370 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:53:09,371 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1388466412] [2022-03-01 16:53:09,371 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1388466412] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:53:09,371 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:53:09,371 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-03-01 16:53:09,371 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378177589] [2022-03-01 16:53:09,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:53:09,371 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-03-01 16:53:09,371 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:53:09,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-03-01 16:53:09,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2022-03-01 16:53:09,371 INFO L87 Difference]: Start difference. First operand 1377 states and 2537 transitions. Second operand has 11 states, 10 states have (on average 7.0) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:10,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:53:10,034 INFO L93 Difference]: Finished difference Result 1728 states and 3142 transitions. [2022-03-01 16:53:10,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-03-01 16:53:10,034 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 7.0) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2022-03-01 16:53:10,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:53:10,037 INFO L225 Difference]: With dead ends: 1728 [2022-03-01 16:53:10,037 INFO L226 Difference]: Without dead ends: 1728 [2022-03-01 16:53:10,037 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=94, Invalid=178, Unknown=0, NotChecked=0, Total=272 [2022-03-01 16:53:10,037 INFO L933 BasicCegarLoop]: 121 mSDtfsCounter, 217 mSDsluCounter, 429 mSDsCounter, 0 mSdLazyCounter, 764 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 217 SdHoareTripleChecker+Valid, 549 SdHoareTripleChecker+Invalid, 806 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 764 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-03-01 16:53:10,037 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [217 Valid, 549 Invalid, 806 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 764 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-01 16:53:10,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1728 states. [2022-03-01 16:53:10,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1728 to 1361. [2022-03-01 16:53:10,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1361 states, 1354 states have (on average 1.8500738552437224) internal successors, (2505), 1360 states have internal predecessors, (2505), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:10,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1361 states to 1361 states and 2505 transitions. [2022-03-01 16:53:10,049 INFO L78 Accepts]: Start accepts. Automaton has 1361 states and 2505 transitions. Word has length 115 [2022-03-01 16:53:10,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:53:10,049 INFO L470 AbstractCegarLoop]: Abstraction has 1361 states and 2505 transitions. [2022-03-01 16:53:10,049 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 7.0) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:10,049 INFO L276 IsEmpty]: Start isEmpty. Operand 1361 states and 2505 transitions. [2022-03-01 16:53:10,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-03-01 16:53:10,050 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:53:10,050 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:53:10,050 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable185 [2022-03-01 16:53:10,050 INFO L402 AbstractCegarLoop]: === Iteration 187 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:53:10,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:53:10,050 INFO L85 PathProgramCache]: Analyzing trace with hash 1276121356, now seen corresponding path program 26 times [2022-03-01 16:53:10,050 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:53:10,050 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1799246017] [2022-03-01 16:53:10,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:53:10,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:53:10,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:53:10,386 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:53:10,386 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:53:10,386 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1799246017] [2022-03-01 16:53:10,386 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1799246017] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:53:10,386 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:53:10,386 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:53:10,386 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188314990] [2022-03-01 16:53:10,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:53:10,387 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:53:10,387 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:53:10,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:53:10,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:53:10,387 INFO L87 Difference]: Start difference. First operand 1361 states and 2505 transitions. Second operand has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:10,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:53:10,734 INFO L93 Difference]: Finished difference Result 1702 states and 3091 transitions. [2022-03-01 16:53:10,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-01 16:53:10,734 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2022-03-01 16:53:10,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:53:10,736 INFO L225 Difference]: With dead ends: 1702 [2022-03-01 16:53:10,736 INFO L226 Difference]: Without dead ends: 1702 [2022-03-01 16:53:10,736 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2022-03-01 16:53:10,736 INFO L933 BasicCegarLoop]: 127 mSDtfsCounter, 204 mSDsluCounter, 326 mSDsCounter, 0 mSdLazyCounter, 512 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 204 SdHoareTripleChecker+Valid, 452 SdHoareTripleChecker+Invalid, 548 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 512 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:53:10,737 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [204 Valid, 452 Invalid, 548 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 512 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-01 16:53:10,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1702 states. [2022-03-01 16:53:10,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1702 to 1333. [2022-03-01 16:53:10,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1333 states, 1326 states have (on average 1.8469079939668176) internal successors, (2449), 1332 states have internal predecessors, (2449), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:10,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1333 states to 1333 states and 2449 transitions. [2022-03-01 16:53:10,748 INFO L78 Accepts]: Start accepts. Automaton has 1333 states and 2449 transitions. Word has length 115 [2022-03-01 16:53:10,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:53:10,748 INFO L470 AbstractCegarLoop]: Abstraction has 1333 states and 2449 transitions. [2022-03-01 16:53:10,748 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:10,748 INFO L276 IsEmpty]: Start isEmpty. Operand 1333 states and 2449 transitions. [2022-03-01 16:53:10,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-03-01 16:53:10,749 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:53:10,749 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:53:10,749 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable186 [2022-03-01 16:53:10,749 INFO L402 AbstractCegarLoop]: === Iteration 188 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:53:10,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:53:10,749 INFO L85 PathProgramCache]: Analyzing trace with hash -838391602, now seen corresponding path program 27 times [2022-03-01 16:53:10,749 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:53:10,749 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1010294737] [2022-03-01 16:53:10,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:53:10,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:53:10,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:53:11,199 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:53:11,199 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:53:11,199 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1010294737] [2022-03-01 16:53:11,200 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1010294737] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:53:11,200 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:53:11,200 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:53:11,200 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [911569317] [2022-03-01 16:53:11,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:53:11,200 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:53:11,200 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:53:11,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:53:11,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:53:11,200 INFO L87 Difference]: Start difference. First operand 1333 states and 2449 transitions. Second operand has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:11,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:53:11,632 INFO L93 Difference]: Finished difference Result 1690 states and 3069 transitions. [2022-03-01 16:53:11,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-01 16:53:11,632 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2022-03-01 16:53:11,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:53:11,634 INFO L225 Difference]: With dead ends: 1690 [2022-03-01 16:53:11,634 INFO L226 Difference]: Without dead ends: 1690 [2022-03-01 16:53:11,634 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=54, Invalid=78, Unknown=0, NotChecked=0, Total=132 [2022-03-01 16:53:11,635 INFO L933 BasicCegarLoop]: 127 mSDtfsCounter, 213 mSDsluCounter, 338 mSDsCounter, 0 mSdLazyCounter, 529 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 213 SdHoareTripleChecker+Valid, 464 SdHoareTripleChecker+Invalid, 566 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 529 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:53:11,635 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [213 Valid, 464 Invalid, 566 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 529 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-01 16:53:11,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1690 states. [2022-03-01 16:53:11,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1690 to 1083. [2022-03-01 16:53:11,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1083 states, 1076 states have (on average 1.8178438661710037) internal successors, (1956), 1082 states have internal predecessors, (1956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:11,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 1083 states and 1956 transitions. [2022-03-01 16:53:11,647 INFO L78 Accepts]: Start accepts. Automaton has 1083 states and 1956 transitions. Word has length 115 [2022-03-01 16:53:11,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:53:11,647 INFO L470 AbstractCegarLoop]: Abstraction has 1083 states and 1956 transitions. [2022-03-01 16:53:11,647 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:11,647 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 1956 transitions. [2022-03-01 16:53:11,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-03-01 16:53:11,648 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:53:11,648 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:53:11,648 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable187 [2022-03-01 16:53:11,648 INFO L402 AbstractCegarLoop]: === Iteration 189 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:53:11,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:53:11,648 INFO L85 PathProgramCache]: Analyzing trace with hash -1179708835, now seen corresponding path program 10 times [2022-03-01 16:53:11,648 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:53:11,648 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [34204228] [2022-03-01 16:53:11,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:53:11,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:53:11,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:53:12,154 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:53:12,155 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:53:12,155 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [34204228] [2022-03-01 16:53:12,155 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [34204228] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:53:12,155 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:53:12,155 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:53:12,155 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2088233774] [2022-03-01 16:53:12,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:53:12,155 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:53:12,155 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:53:12,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:53:12,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:53:12,156 INFO L87 Difference]: Start difference. First operand 1083 states and 1956 transitions. Second operand has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:12,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:53:12,563 INFO L93 Difference]: Finished difference Result 1117 states and 2008 transitions. [2022-03-01 16:53:12,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-01 16:53:12,564 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2022-03-01 16:53:12,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:53:12,565 INFO L225 Difference]: With dead ends: 1117 [2022-03-01 16:53:12,565 INFO L226 Difference]: Without dead ends: 1117 [2022-03-01 16:53:12,565 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=49, Invalid=61, Unknown=0, NotChecked=0, Total=110 [2022-03-01 16:53:12,565 INFO L933 BasicCegarLoop]: 112 mSDtfsCounter, 145 mSDsluCounter, 360 mSDsCounter, 0 mSdLazyCounter, 516 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 472 SdHoareTripleChecker+Invalid, 561 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 516 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:53:12,565 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [145 Valid, 472 Invalid, 561 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 516 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-01 16:53:12,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1117 states. [2022-03-01 16:53:12,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1117 to 1083. [2022-03-01 16:53:12,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1083 states, 1076 states have (on average 1.8178438661710037) internal successors, (1956), 1082 states have internal predecessors, (1956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:12,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 1083 states and 1956 transitions. [2022-03-01 16:53:12,573 INFO L78 Accepts]: Start accepts. Automaton has 1083 states and 1956 transitions. Word has length 115 [2022-03-01 16:53:12,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:53:12,574 INFO L470 AbstractCegarLoop]: Abstraction has 1083 states and 1956 transitions. [2022-03-01 16:53:12,574 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:12,574 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 1956 transitions. [2022-03-01 16:53:12,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-03-01 16:53:12,575 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:53:12,575 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:53:12,575 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable188 [2022-03-01 16:53:12,575 INFO L402 AbstractCegarLoop]: === Iteration 190 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:53:12,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:53:12,575 INFO L85 PathProgramCache]: Analyzing trace with hash -1813807177, now seen corresponding path program 11 times [2022-03-01 16:53:12,575 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:53:12,575 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [780054147] [2022-03-01 16:53:12,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:53:12,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:53:12,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:53:13,069 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:53:13,069 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:53:13,070 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [780054147] [2022-03-01 16:53:13,070 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [780054147] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:53:13,070 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:53:13,070 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:53:13,070 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [880604960] [2022-03-01 16:53:13,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:53:13,070 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:53:13,070 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:53:13,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:53:13,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:53:13,070 INFO L87 Difference]: Start difference. First operand 1083 states and 1956 transitions. Second operand has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:13,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:53:13,450 INFO L93 Difference]: Finished difference Result 1137 states and 2046 transitions. [2022-03-01 16:53:13,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-01 16:53:13,450 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2022-03-01 16:53:13,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:53:13,452 INFO L225 Difference]: With dead ends: 1137 [2022-03-01 16:53:13,452 INFO L226 Difference]: Without dead ends: 1137 [2022-03-01 16:53:13,452 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-03-01 16:53:13,452 INFO L933 BasicCegarLoop]: 109 mSDtfsCounter, 127 mSDsluCounter, 306 mSDsCounter, 0 mSdLazyCounter, 485 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 415 SdHoareTripleChecker+Invalid, 525 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 485 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:53:13,452 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [127 Valid, 415 Invalid, 525 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 485 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-01 16:53:13,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1137 states. [2022-03-01 16:53:13,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1137 to 1083. [2022-03-01 16:53:13,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1083 states, 1076 states have (on average 1.8178438661710037) internal successors, (1956), 1082 states have internal predecessors, (1956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:13,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 1083 states and 1956 transitions. [2022-03-01 16:53:13,460 INFO L78 Accepts]: Start accepts. Automaton has 1083 states and 1956 transitions. Word has length 115 [2022-03-01 16:53:13,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:53:13,460 INFO L470 AbstractCegarLoop]: Abstraction has 1083 states and 1956 transitions. [2022-03-01 16:53:13,460 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:13,460 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 1956 transitions. [2022-03-01 16:53:13,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-03-01 16:53:13,461 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:53:13,461 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:53:13,461 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable189 [2022-03-01 16:53:13,461 INFO L402 AbstractCegarLoop]: === Iteration 191 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:53:13,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:53:13,462 INFO L85 PathProgramCache]: Analyzing trace with hash 748683199, now seen corresponding path program 12 times [2022-03-01 16:53:13,462 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:53:13,462 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2009726430] [2022-03-01 16:53:13,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:53:13,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:53:13,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:53:13,935 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:53:13,935 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:53:13,935 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2009726430] [2022-03-01 16:53:13,935 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2009726430] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:53:13,935 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:53:13,935 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:53:13,935 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [104904247] [2022-03-01 16:53:13,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:53:13,936 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:53:13,936 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:53:13,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:53:13,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:53:13,936 INFO L87 Difference]: Start difference. First operand 1083 states and 1956 transitions. Second operand has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:14,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:53:14,305 INFO L93 Difference]: Finished difference Result 1152 states and 2076 transitions. [2022-03-01 16:53:14,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-01 16:53:14,306 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2022-03-01 16:53:14,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:53:14,307 INFO L225 Difference]: With dead ends: 1152 [2022-03-01 16:53:14,307 INFO L226 Difference]: Without dead ends: 1152 [2022-03-01 16:53:14,307 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2022-03-01 16:53:14,307 INFO L933 BasicCegarLoop]: 105 mSDtfsCounter, 149 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 452 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 335 SdHoareTripleChecker+Invalid, 495 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 452 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:53:14,307 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [149 Valid, 335 Invalid, 495 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 452 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-01 16:53:14,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1152 states. [2022-03-01 16:53:14,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1152 to 1083. [2022-03-01 16:53:14,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1083 states, 1076 states have (on average 1.8178438661710037) internal successors, (1956), 1082 states have internal predecessors, (1956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:14,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 1083 states and 1956 transitions. [2022-03-01 16:53:14,315 INFO L78 Accepts]: Start accepts. Automaton has 1083 states and 1956 transitions. Word has length 115 [2022-03-01 16:53:14,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:53:14,315 INFO L470 AbstractCegarLoop]: Abstraction has 1083 states and 1956 transitions. [2022-03-01 16:53:14,315 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:14,315 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 1956 transitions. [2022-03-01 16:53:14,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-03-01 16:53:14,316 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:53:14,316 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:53:14,317 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable190 [2022-03-01 16:53:14,317 INFO L402 AbstractCegarLoop]: === Iteration 192 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:53:14,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:53:14,317 INFO L85 PathProgramCache]: Analyzing trace with hash 192447189, now seen corresponding path program 13 times [2022-03-01 16:53:14,317 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:53:14,317 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [395518496] [2022-03-01 16:53:14,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:53:14,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:53:14,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:53:14,764 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:53:14,764 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:53:14,764 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [395518496] [2022-03-01 16:53:14,764 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [395518496] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:53:14,764 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:53:14,764 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:53:14,764 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608088106] [2022-03-01 16:53:14,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:53:14,765 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:53:14,765 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:53:14,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:53:14,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:53:14,765 INFO L87 Difference]: Start difference. First operand 1083 states and 1956 transitions. Second operand has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:15,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:53:15,114 INFO L93 Difference]: Finished difference Result 1135 states and 2048 transitions. [2022-03-01 16:53:15,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-01 16:53:15,114 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2022-03-01 16:53:15,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:53:15,116 INFO L225 Difference]: With dead ends: 1135 [2022-03-01 16:53:15,116 INFO L226 Difference]: Without dead ends: 1135 [2022-03-01 16:53:15,116 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=64, Unknown=0, NotChecked=0, Total=110 [2022-03-01 16:53:15,116 INFO L933 BasicCegarLoop]: 101 mSDtfsCounter, 135 mSDsluCounter, 314 mSDsCounter, 0 mSdLazyCounter, 476 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 415 SdHoareTripleChecker+Invalid, 516 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 476 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:53:15,116 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [135 Valid, 415 Invalid, 516 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 476 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-01 16:53:15,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1135 states. [2022-03-01 16:53:15,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1135 to 1054. [2022-03-01 16:53:15,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1054 states, 1047 states have (on average 1.8185291308500477) internal successors, (1904), 1053 states have internal predecessors, (1904), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:15,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1054 states to 1054 states and 1904 transitions. [2022-03-01 16:53:15,126 INFO L78 Accepts]: Start accepts. Automaton has 1054 states and 1904 transitions. Word has length 115 [2022-03-01 16:53:15,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:53:15,126 INFO L470 AbstractCegarLoop]: Abstraction has 1054 states and 1904 transitions. [2022-03-01 16:53:15,126 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:15,126 INFO L276 IsEmpty]: Start isEmpty. Operand 1054 states and 1904 transitions. [2022-03-01 16:53:15,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-03-01 16:53:15,127 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:53:15,127 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:53:15,127 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable191 [2022-03-01 16:53:15,127 INFO L402 AbstractCegarLoop]: === Iteration 193 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:53:15,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:53:15,128 INFO L85 PathProgramCache]: Analyzing trace with hash 1332858260, now seen corresponding path program 28 times [2022-03-01 16:53:15,128 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:53:15,128 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2146378101] [2022-03-01 16:53:15,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:53:15,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:53:15,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:53:15,377 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:53:15,377 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:53:15,377 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2146378101] [2022-03-01 16:53:15,377 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2146378101] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:53:15,377 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:53:15,377 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:53:15,377 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [111349005] [2022-03-01 16:53:15,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:53:15,378 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:53:15,378 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:53:15,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:53:15,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:53:15,378 INFO L87 Difference]: Start difference. First operand 1054 states and 1904 transitions. Second operand has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:15,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:53:15,953 INFO L93 Difference]: Finished difference Result 1136 states and 2050 transitions. [2022-03-01 16:53:15,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-01 16:53:15,954 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2022-03-01 16:53:15,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:53:15,955 INFO L225 Difference]: With dead ends: 1136 [2022-03-01 16:53:15,955 INFO L226 Difference]: Without dead ends: 1136 [2022-03-01 16:53:15,955 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=178, Invalid=328, Unknown=0, NotChecked=0, Total=506 [2022-03-01 16:53:15,955 INFO L933 BasicCegarLoop]: 166 mSDtfsCounter, 246 mSDsluCounter, 412 mSDsCounter, 0 mSdLazyCounter, 530 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 246 SdHoareTripleChecker+Valid, 576 SdHoareTripleChecker+Invalid, 588 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 530 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:53:15,956 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [246 Valid, 576 Invalid, 588 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 530 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-01 16:53:15,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1136 states. [2022-03-01 16:53:15,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1136 to 1056. [2022-03-01 16:53:15,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1056 states, 1049 states have (on average 1.818875119161106) internal successors, (1908), 1055 states have internal predecessors, (1908), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:15,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1056 states to 1056 states and 1908 transitions. [2022-03-01 16:53:15,964 INFO L78 Accepts]: Start accepts. Automaton has 1056 states and 1908 transitions. Word has length 115 [2022-03-01 16:53:15,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:53:15,964 INFO L470 AbstractCegarLoop]: Abstraction has 1056 states and 1908 transitions. [2022-03-01 16:53:15,964 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:15,964 INFO L276 IsEmpty]: Start isEmpty. Operand 1056 states and 1908 transitions. [2022-03-01 16:53:15,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-03-01 16:53:15,965 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:53:15,965 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:53:15,965 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable192 [2022-03-01 16:53:15,965 INFO L402 AbstractCegarLoop]: === Iteration 194 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:53:15,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:53:15,965 INFO L85 PathProgramCache]: Analyzing trace with hash 1246401740, now seen corresponding path program 29 times [2022-03-01 16:53:15,965 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:53:15,965 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1960024003] [2022-03-01 16:53:15,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:53:15,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:53:15,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:53:16,355 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:53:16,355 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:53:16,355 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1960024003] [2022-03-01 16:53:16,356 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1960024003] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:53:16,356 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:53:16,356 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:53:16,356 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1333522288] [2022-03-01 16:53:16,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:53:16,356 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:53:16,356 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:53:16,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:53:16,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:53:16,356 INFO L87 Difference]: Start difference. First operand 1056 states and 1908 transitions. Second operand has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:16,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:53:16,634 INFO L93 Difference]: Finished difference Result 1151 states and 2068 transitions. [2022-03-01 16:53:16,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-01 16:53:16,635 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2022-03-01 16:53:16,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:53:16,636 INFO L225 Difference]: With dead ends: 1151 [2022-03-01 16:53:16,636 INFO L226 Difference]: Without dead ends: 1151 [2022-03-01 16:53:16,636 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=64, Unknown=0, NotChecked=0, Total=110 [2022-03-01 16:53:16,636 INFO L933 BasicCegarLoop]: 111 mSDtfsCounter, 122 mSDsluCounter, 224 mSDsCounter, 0 mSdLazyCounter, 364 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 334 SdHoareTripleChecker+Invalid, 400 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 364 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-01 16:53:16,636 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [122 Valid, 334 Invalid, 400 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 364 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-01 16:53:16,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1151 states. [2022-03-01 16:53:16,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1151 to 1060. [2022-03-01 16:53:16,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1060 states, 1053 states have (on average 1.8195631528964862) internal successors, (1916), 1059 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:16,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1060 states to 1060 states and 1916 transitions. [2022-03-01 16:53:16,646 INFO L78 Accepts]: Start accepts. Automaton has 1060 states and 1916 transitions. Word has length 115 [2022-03-01 16:53:16,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:53:16,646 INFO L470 AbstractCegarLoop]: Abstraction has 1060 states and 1916 transitions. [2022-03-01 16:53:16,646 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:16,646 INFO L276 IsEmpty]: Start isEmpty. Operand 1060 states and 1916 transitions. [2022-03-01 16:53:16,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-03-01 16:53:16,647 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:53:16,647 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:53:16,647 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable193 [2022-03-01 16:53:16,647 INFO L402 AbstractCegarLoop]: === Iteration 195 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:53:16,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:53:16,647 INFO L85 PathProgramCache]: Analyzing trace with hash -1405122190, now seen corresponding path program 30 times [2022-03-01 16:53:16,648 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:53:16,648 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [74747901] [2022-03-01 16:53:16,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:53:16,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:53:16,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:53:17,089 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:53:17,090 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:53:17,090 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [74747901] [2022-03-01 16:53:17,090 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [74747901] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:53:17,090 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:53:17,090 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:53:17,090 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1544050110] [2022-03-01 16:53:17,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:53:17,090 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:53:17,090 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:53:17,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:53:17,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:53:17,090 INFO L87 Difference]: Start difference. First operand 1060 states and 1916 transitions. Second operand has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:17,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:53:17,393 INFO L93 Difference]: Finished difference Result 1144 states and 2055 transitions. [2022-03-01 16:53:17,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-01 16:53:17,394 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2022-03-01 16:53:17,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:53:17,395 INFO L225 Difference]: With dead ends: 1144 [2022-03-01 16:53:17,395 INFO L226 Difference]: Without dead ends: 1144 [2022-03-01 16:53:17,395 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=64, Unknown=0, NotChecked=0, Total=110 [2022-03-01 16:53:17,395 INFO L933 BasicCegarLoop]: 111 mSDtfsCounter, 138 mSDsluCounter, 250 mSDsCounter, 0 mSdLazyCounter, 397 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 360 SdHoareTripleChecker+Invalid, 430 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 397 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:53:17,396 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [138 Valid, 360 Invalid, 430 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 397 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-01 16:53:17,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1144 states. [2022-03-01 16:53:17,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1144 to 1063. [2022-03-01 16:53:17,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1063 states, 1056 states have (on average 1.8200757575757576) internal successors, (1922), 1062 states have internal predecessors, (1922), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:17,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1063 states to 1063 states and 1922 transitions. [2022-03-01 16:53:17,403 INFO L78 Accepts]: Start accepts. Automaton has 1063 states and 1922 transitions. Word has length 115 [2022-03-01 16:53:17,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:53:17,404 INFO L470 AbstractCegarLoop]: Abstraction has 1063 states and 1922 transitions. [2022-03-01 16:53:17,404 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:17,404 INFO L276 IsEmpty]: Start isEmpty. Operand 1063 states and 1922 transitions. [2022-03-01 16:53:17,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-03-01 16:53:17,405 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:53:17,405 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:53:17,405 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable194 [2022-03-01 16:53:17,405 INFO L402 AbstractCegarLoop]: === Iteration 196 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:53:17,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:53:17,405 INFO L85 PathProgramCache]: Analyzing trace with hash -1110511506, now seen corresponding path program 31 times [2022-03-01 16:53:17,405 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:53:17,405 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [7757554] [2022-03-01 16:53:17,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:53:17,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:53:17,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:53:18,386 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:53:18,386 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:53:18,386 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [7757554] [2022-03-01 16:53:18,386 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [7757554] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:53:18,386 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:53:18,386 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-03-01 16:53:18,386 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1085082566] [2022-03-01 16:53:18,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:53:18,387 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-01 16:53:18,387 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:53:18,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-01 16:53:18,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=278, Unknown=0, NotChecked=0, Total=342 [2022-03-01 16:53:18,387 INFO L87 Difference]: Start difference. First operand 1063 states and 1922 transitions. Second operand has 19 states, 18 states have (on average 3.888888888888889) internal successors, (70), 19 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:19,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:53:19,710 INFO L93 Difference]: Finished difference Result 1664 states and 3022 transitions. [2022-03-01 16:53:19,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-01 16:53:19,710 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.888888888888889) internal successors, (70), 19 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2022-03-01 16:53:19,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:53:19,712 INFO L225 Difference]: With dead ends: 1664 [2022-03-01 16:53:19,712 INFO L226 Difference]: Without dead ends: 1664 [2022-03-01 16:53:19,712 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 295 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=286, Invalid=1046, Unknown=0, NotChecked=0, Total=1332 [2022-03-01 16:53:19,713 INFO L933 BasicCegarLoop]: 106 mSDtfsCounter, 653 mSDsluCounter, 766 mSDsCounter, 0 mSdLazyCounter, 1092 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 653 SdHoareTripleChecker+Valid, 871 SdHoareTripleChecker+Invalid, 1165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 1092 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-03-01 16:53:19,713 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [653 Valid, 871 Invalid, 1165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 1092 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-03-01 16:53:19,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1664 states. [2022-03-01 16:53:19,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1664 to 1045. [2022-03-01 16:53:19,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1045 states, 1038 states have (on average 1.8169556840077072) internal successors, (1886), 1044 states have internal predecessors, (1886), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:19,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1045 states to 1045 states and 1886 transitions. [2022-03-01 16:53:19,722 INFO L78 Accepts]: Start accepts. Automaton has 1045 states and 1886 transitions. Word has length 115 [2022-03-01 16:53:19,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:53:19,722 INFO L470 AbstractCegarLoop]: Abstraction has 1045 states and 1886 transitions. [2022-03-01 16:53:19,722 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.888888888888889) internal successors, (70), 19 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:19,722 INFO L276 IsEmpty]: Start isEmpty. Operand 1045 states and 1886 transitions. [2022-03-01 16:53:19,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-03-01 16:53:19,723 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:53:19,723 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:53:19,723 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable195 [2022-03-01 16:53:19,723 INFO L402 AbstractCegarLoop]: === Iteration 197 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:53:19,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:53:19,723 INFO L85 PathProgramCache]: Analyzing trace with hash -1741080748, now seen corresponding path program 32 times [2022-03-01 16:53:19,723 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:53:19,723 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [329132292] [2022-03-01 16:53:19,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:53:19,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:53:19,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:53:20,712 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:53:20,713 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:53:20,713 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [329132292] [2022-03-01 16:53:20,713 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [329132292] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:53:20,713 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:53:20,713 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-03-01 16:53:20,713 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1309910069] [2022-03-01 16:53:20,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:53:20,713 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-01 16:53:20,713 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:53:20,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-01 16:53:20,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=278, Unknown=0, NotChecked=0, Total=342 [2022-03-01 16:53:20,714 INFO L87 Difference]: Start difference. First operand 1045 states and 1886 transitions. Second operand has 19 states, 18 states have (on average 3.888888888888889) internal successors, (70), 19 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:22,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:53:22,236 INFO L93 Difference]: Finished difference Result 1643 states and 2983 transitions. [2022-03-01 16:53:22,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-03-01 16:53:22,237 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.888888888888889) internal successors, (70), 19 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2022-03-01 16:53:22,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:53:22,238 INFO L225 Difference]: With dead ends: 1643 [2022-03-01 16:53:22,239 INFO L226 Difference]: Without dead ends: 1643 [2022-03-01 16:53:22,239 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 311 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=305, Invalid=1101, Unknown=0, NotChecked=0, Total=1406 [2022-03-01 16:53:22,239 INFO L933 BasicCegarLoop]: 108 mSDtfsCounter, 761 mSDsluCounter, 869 mSDsCounter, 0 mSdLazyCounter, 1235 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 761 SdHoareTripleChecker+Valid, 976 SdHoareTripleChecker+Invalid, 1323 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 1235 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-03-01 16:53:22,239 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [761 Valid, 976 Invalid, 1323 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 1235 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-03-01 16:53:22,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1643 states. [2022-03-01 16:53:22,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1643 to 1036. [2022-03-01 16:53:22,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1036 states, 1029 states have (on average 1.815354713313897) internal successors, (1868), 1035 states have internal predecessors, (1868), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:22,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1036 states to 1036 states and 1868 transitions. [2022-03-01 16:53:22,249 INFO L78 Accepts]: Start accepts. Automaton has 1036 states and 1868 transitions. Word has length 115 [2022-03-01 16:53:22,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:53:22,249 INFO L470 AbstractCegarLoop]: Abstraction has 1036 states and 1868 transitions. [2022-03-01 16:53:22,249 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.888888888888889) internal successors, (70), 19 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:22,249 INFO L276 IsEmpty]: Start isEmpty. Operand 1036 states and 1868 transitions. [2022-03-01 16:53:22,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-03-01 16:53:22,250 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:53:22,250 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:53:22,250 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable196 [2022-03-01 16:53:22,250 INFO L402 AbstractCegarLoop]: === Iteration 198 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:53:22,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:53:22,250 INFO L85 PathProgramCache]: Analyzing trace with hash -939307692, now seen corresponding path program 33 times [2022-03-01 16:53:22,250 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:53:22,250 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [838379084] [2022-03-01 16:53:22,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:53:22,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:53:22,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:53:23,035 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:53:23,036 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:53:23,036 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [838379084] [2022-03-01 16:53:23,036 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [838379084] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:53:23,036 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:53:23,036 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:53:23,036 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [563328644] [2022-03-01 16:53:23,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:53:23,036 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:53:23,036 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:53:23,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:53:23,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:53:23,037 INFO L87 Difference]: Start difference. First operand 1036 states and 1868 transitions. Second operand has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:23,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:53:23,677 INFO L93 Difference]: Finished difference Result 1099 states and 1970 transitions. [2022-03-01 16:53:23,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-01 16:53:23,677 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2022-03-01 16:53:23,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:53:23,679 INFO L225 Difference]: With dead ends: 1099 [2022-03-01 16:53:23,679 INFO L226 Difference]: Without dead ends: 1099 [2022-03-01 16:53:23,679 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=94, Invalid=146, Unknown=0, NotChecked=0, Total=240 [2022-03-01 16:53:23,679 INFO L933 BasicCegarLoop]: 117 mSDtfsCounter, 167 mSDsluCounter, 311 mSDsCounter, 0 mSdLazyCounter, 500 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 427 SdHoareTripleChecker+Invalid, 544 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 500 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:53:23,679 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [167 Valid, 427 Invalid, 544 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 500 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-01 16:53:23,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1099 states. [2022-03-01 16:53:23,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1099 to 1035. [2022-03-01 16:53:23,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1035 states, 1028 states have (on average 1.816147859922179) internal successors, (1867), 1034 states have internal predecessors, (1867), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:23,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1035 states to 1035 states and 1867 transitions. [2022-03-01 16:53:23,687 INFO L78 Accepts]: Start accepts. Automaton has 1035 states and 1867 transitions. Word has length 115 [2022-03-01 16:53:23,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:53:23,687 INFO L470 AbstractCegarLoop]: Abstraction has 1035 states and 1867 transitions. [2022-03-01 16:53:23,687 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:23,687 INFO L276 IsEmpty]: Start isEmpty. Operand 1035 states and 1867 transitions. [2022-03-01 16:53:23,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-03-01 16:53:23,688 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:53:23,688 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:53:23,688 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable197 [2022-03-01 16:53:23,688 INFO L402 AbstractCegarLoop]: === Iteration 199 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:53:23,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:53:23,689 INFO L85 PathProgramCache]: Analyzing trace with hash -2051351210, now seen corresponding path program 34 times [2022-03-01 16:53:23,689 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:53:23,689 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1181678539] [2022-03-01 16:53:23,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:53:23,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:53:23,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:53:24,881 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:53:24,881 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:53:24,881 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1181678539] [2022-03-01 16:53:24,881 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1181678539] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:53:24,881 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:53:24,881 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-03-01 16:53:24,881 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [151020552] [2022-03-01 16:53:24,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:53:24,882 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-01 16:53:24,882 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:53:24,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-01 16:53:24,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=278, Unknown=0, NotChecked=0, Total=342 [2022-03-01 16:53:24,882 INFO L87 Difference]: Start difference. First operand 1035 states and 1867 transitions. Second operand has 19 states, 18 states have (on average 3.888888888888889) internal successors, (70), 19 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:26,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:53:26,223 INFO L93 Difference]: Finished difference Result 1624 states and 2945 transitions. [2022-03-01 16:53:26,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-03-01 16:53:26,223 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.888888888888889) internal successors, (70), 19 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2022-03-01 16:53:26,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:53:26,225 INFO L225 Difference]: With dead ends: 1624 [2022-03-01 16:53:26,225 INFO L226 Difference]: Without dead ends: 1624 [2022-03-01 16:53:26,225 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 342 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=325, Invalid=1157, Unknown=0, NotChecked=0, Total=1482 [2022-03-01 16:53:26,227 INFO L933 BasicCegarLoop]: 110 mSDtfsCounter, 746 mSDsluCounter, 555 mSDsCounter, 0 mSdLazyCounter, 834 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 746 SdHoareTripleChecker+Valid, 664 SdHoareTripleChecker+Invalid, 927 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 834 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-03-01 16:53:26,227 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [746 Valid, 664 Invalid, 927 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 834 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-03-01 16:53:26,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1624 states. [2022-03-01 16:53:26,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1624 to 1002. [2022-03-01 16:53:26,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1002 states, 995 states have (on average 1.8190954773869348) internal successors, (1810), 1001 states have internal predecessors, (1810), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:26,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1002 states to 1002 states and 1810 transitions. [2022-03-01 16:53:26,239 INFO L78 Accepts]: Start accepts. Automaton has 1002 states and 1810 transitions. Word has length 115 [2022-03-01 16:53:26,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:53:26,239 INFO L470 AbstractCegarLoop]: Abstraction has 1002 states and 1810 transitions. [2022-03-01 16:53:26,239 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.888888888888889) internal successors, (70), 19 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:26,239 INFO L276 IsEmpty]: Start isEmpty. Operand 1002 states and 1810 transitions. [2022-03-01 16:53:26,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-03-01 16:53:26,240 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:53:26,240 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:53:26,240 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable198 [2022-03-01 16:53:26,240 INFO L402 AbstractCegarLoop]: === Iteration 200 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:53:26,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:53:26,240 INFO L85 PathProgramCache]: Analyzing trace with hash -1742353774, now seen corresponding path program 1 times [2022-03-01 16:53:26,240 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:53:26,241 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110654422] [2022-03-01 16:53:26,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:53:26,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:53:26,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:53:26,738 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:53:26,739 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:53:26,739 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2110654422] [2022-03-01 16:53:26,739 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2110654422] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:53:26,739 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:53:26,739 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:53:26,739 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [614334078] [2022-03-01 16:53:26,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:53:26,739 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:53:26,739 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:53:26,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:53:26,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:53:26,739 INFO L87 Difference]: Start difference. First operand 1002 states and 1810 transitions. Second operand has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:27,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:53:27,257 INFO L93 Difference]: Finished difference Result 1714 states and 3122 transitions. [2022-03-01 16:53:27,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-01 16:53:27,257 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-03-01 16:53:27,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:53:27,259 INFO L225 Difference]: With dead ends: 1714 [2022-03-01 16:53:27,259 INFO L226 Difference]: Without dead ends: 1686 [2022-03-01 16:53:27,259 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=101, Invalid=205, Unknown=0, NotChecked=0, Total=306 [2022-03-01 16:53:27,259 INFO L933 BasicCegarLoop]: 161 mSDtfsCounter, 292 mSDsluCounter, 430 mSDsCounter, 0 mSdLazyCounter, 474 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 292 SdHoareTripleChecker+Valid, 589 SdHoareTripleChecker+Invalid, 546 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 474 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:53:27,260 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [292 Valid, 589 Invalid, 546 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 474 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-01 16:53:27,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1686 states. [2022-03-01 16:53:27,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1686 to 1056. [2022-03-01 16:53:27,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1056 states, 1049 states have (on average 1.8284080076263107) internal successors, (1918), 1055 states have internal predecessors, (1918), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:27,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1056 states to 1056 states and 1918 transitions. [2022-03-01 16:53:27,269 INFO L78 Accepts]: Start accepts. Automaton has 1056 states and 1918 transitions. Word has length 116 [2022-03-01 16:53:27,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:53:27,269 INFO L470 AbstractCegarLoop]: Abstraction has 1056 states and 1918 transitions. [2022-03-01 16:53:27,269 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:27,269 INFO L276 IsEmpty]: Start isEmpty. Operand 1056 states and 1918 transitions. [2022-03-01 16:53:27,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-03-01 16:53:27,270 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:53:27,270 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:53:27,270 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable199 [2022-03-01 16:53:27,270 INFO L402 AbstractCegarLoop]: === Iteration 201 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:53:27,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:53:27,270 INFO L85 PathProgramCache]: Analyzing trace with hash 1786362070, now seen corresponding path program 1 times [2022-03-01 16:53:27,270 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:53:27,270 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [55347666] [2022-03-01 16:53:27,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:53:27,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:53:27,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:53:27,576 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:53:27,577 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:53:27,577 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [55347666] [2022-03-01 16:53:27,577 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [55347666] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:53:27,577 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:53:27,577 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:53:27,577 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31345681] [2022-03-01 16:53:27,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:53:27,577 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:53:27,578 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:53:27,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:53:27,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:53:27,578 INFO L87 Difference]: Start difference. First operand 1056 states and 1918 transitions. Second operand has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:28,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:53:28,086 INFO L93 Difference]: Finished difference Result 1819 states and 3278 transitions. [2022-03-01 16:53:28,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-03-01 16:53:28,086 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-03-01 16:53:28,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:53:28,088 INFO L225 Difference]: With dead ends: 1819 [2022-03-01 16:53:28,088 INFO L226 Difference]: Without dead ends: 1775 [2022-03-01 16:53:28,088 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2022-03-01 16:53:28,088 INFO L933 BasicCegarLoop]: 157 mSDtfsCounter, 218 mSDsluCounter, 583 mSDsCounter, 0 mSdLazyCounter, 646 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 218 SdHoareTripleChecker+Valid, 739 SdHoareTripleChecker+Invalid, 698 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 646 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:53:28,088 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [218 Valid, 739 Invalid, 698 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 646 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-01 16:53:28,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1775 states. [2022-03-01 16:53:28,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1775 to 1349. [2022-03-01 16:53:28,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1349 states, 1342 states have (on average 1.8621460506706409) internal successors, (2499), 1348 states have internal predecessors, (2499), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:28,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1349 states to 1349 states and 2499 transitions. [2022-03-01 16:53:28,100 INFO L78 Accepts]: Start accepts. Automaton has 1349 states and 2499 transitions. Word has length 116 [2022-03-01 16:53:28,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:53:28,100 INFO L470 AbstractCegarLoop]: Abstraction has 1349 states and 2499 transitions. [2022-03-01 16:53:28,100 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:28,100 INFO L276 IsEmpty]: Start isEmpty. Operand 1349 states and 2499 transitions. [2022-03-01 16:53:28,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-03-01 16:53:28,101 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:53:28,101 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:53:28,101 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable200 [2022-03-01 16:53:28,101 INFO L402 AbstractCegarLoop]: === Iteration 202 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:53:28,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:53:28,101 INFO L85 PathProgramCache]: Analyzing trace with hash 1082142128, now seen corresponding path program 2 times [2022-03-01 16:53:28,102 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:53:28,102 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155469894] [2022-03-01 16:53:28,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:53:28,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:53:28,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:53:28,470 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:53:28,470 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:53:28,470 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [155469894] [2022-03-01 16:53:28,470 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [155469894] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:53:28,470 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:53:28,470 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:53:28,470 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212399704] [2022-03-01 16:53:28,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:53:28,470 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:53:28,470 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:53:28,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:53:28,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:53:28,471 INFO L87 Difference]: Start difference. First operand 1349 states and 2499 transitions. Second operand has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:28,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:53:28,941 INFO L93 Difference]: Finished difference Result 1723 states and 3109 transitions. [2022-03-01 16:53:28,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-01 16:53:28,941 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-03-01 16:53:28,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:53:28,942 INFO L225 Difference]: With dead ends: 1723 [2022-03-01 16:53:28,942 INFO L226 Difference]: Without dead ends: 1690 [2022-03-01 16:53:28,943 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2022-03-01 16:53:28,943 INFO L933 BasicCegarLoop]: 148 mSDtfsCounter, 222 mSDsluCounter, 460 mSDsCounter, 0 mSdLazyCounter, 534 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 222 SdHoareTripleChecker+Valid, 607 SdHoareTripleChecker+Invalid, 589 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 534 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:53:28,943 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [222 Valid, 607 Invalid, 589 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 534 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-01 16:53:28,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1690 states. [2022-03-01 16:53:28,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1690 to 1357. [2022-03-01 16:53:28,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1357 states, 1350 states have (on average 1.8622222222222222) internal successors, (2514), 1356 states have internal predecessors, (2514), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:28,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1357 states to 1357 states and 2514 transitions. [2022-03-01 16:53:28,954 INFO L78 Accepts]: Start accepts. Automaton has 1357 states and 2514 transitions. Word has length 116 [2022-03-01 16:53:28,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:53:28,954 INFO L470 AbstractCegarLoop]: Abstraction has 1357 states and 2514 transitions. [2022-03-01 16:53:28,954 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:28,955 INFO L276 IsEmpty]: Start isEmpty. Operand 1357 states and 2514 transitions. [2022-03-01 16:53:28,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-03-01 16:53:28,955 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:53:28,956 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:53:28,956 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable201 [2022-03-01 16:53:28,956 INFO L402 AbstractCegarLoop]: === Iteration 203 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:53:28,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:53:28,956 INFO L85 PathProgramCache]: Analyzing trace with hash 304088598, now seen corresponding path program 3 times [2022-03-01 16:53:28,956 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:53:28,956 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633896360] [2022-03-01 16:53:28,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:53:28,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:53:28,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:53:29,363 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:53:29,364 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:53:29,364 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1633896360] [2022-03-01 16:53:29,364 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1633896360] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:53:29,364 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:53:29,364 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:53:29,364 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289656068] [2022-03-01 16:53:29,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:53:29,364 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:53:29,364 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:53:29,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:53:29,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:53:29,365 INFO L87 Difference]: Start difference. First operand 1357 states and 2514 transitions. Second operand has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:29,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:53:29,804 INFO L93 Difference]: Finished difference Result 1595 states and 2877 transitions. [2022-03-01 16:53:29,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-01 16:53:29,804 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-03-01 16:53:29,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:53:29,805 INFO L225 Difference]: With dead ends: 1595 [2022-03-01 16:53:29,805 INFO L226 Difference]: Without dead ends: 1573 [2022-03-01 16:53:29,806 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2022-03-01 16:53:29,806 INFO L933 BasicCegarLoop]: 139 mSDtfsCounter, 226 mSDsluCounter, 363 mSDsCounter, 0 mSdLazyCounter, 455 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 226 SdHoareTripleChecker+Valid, 501 SdHoareTripleChecker+Invalid, 514 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 455 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:53:29,806 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [226 Valid, 501 Invalid, 514 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 455 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-01 16:53:29,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1573 states. [2022-03-01 16:53:29,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1573 to 1361. [2022-03-01 16:53:29,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1361 states, 1354 states have (on average 1.861890694239291) internal successors, (2521), 1360 states have internal predecessors, (2521), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:29,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1361 states to 1361 states and 2521 transitions. [2022-03-01 16:53:29,816 INFO L78 Accepts]: Start accepts. Automaton has 1361 states and 2521 transitions. Word has length 116 [2022-03-01 16:53:29,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:53:29,817 INFO L470 AbstractCegarLoop]: Abstraction has 1361 states and 2521 transitions. [2022-03-01 16:53:29,817 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:29,817 INFO L276 IsEmpty]: Start isEmpty. Operand 1361 states and 2521 transitions. [2022-03-01 16:53:29,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-03-01 16:53:29,818 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:53:29,818 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:53:29,818 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable202 [2022-03-01 16:53:29,818 INFO L402 AbstractCegarLoop]: === Iteration 204 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:53:29,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:53:29,818 INFO L85 PathProgramCache]: Analyzing trace with hash -1840049488, now seen corresponding path program 4 times [2022-03-01 16:53:29,818 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:53:29,818 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [866561394] [2022-03-01 16:53:29,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:53:29,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:53:29,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:53:30,326 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:53:30,326 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:53:30,326 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [866561394] [2022-03-01 16:53:30,326 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [866561394] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:53:30,326 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:53:30,326 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:53:30,326 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417560445] [2022-03-01 16:53:30,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:53:30,326 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:53:30,326 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:53:30,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:53:30,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:53:30,327 INFO L87 Difference]: Start difference. First operand 1361 states and 2521 transitions. Second operand has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:30,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:53:30,802 INFO L93 Difference]: Finished difference Result 1520 states and 2748 transitions. [2022-03-01 16:53:30,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-01 16:53:30,802 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-03-01 16:53:30,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:53:30,804 INFO L225 Difference]: With dead ends: 1520 [2022-03-01 16:53:30,804 INFO L226 Difference]: Without dead ends: 1478 [2022-03-01 16:53:30,804 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2022-03-01 16:53:30,805 INFO L933 BasicCegarLoop]: 131 mSDtfsCounter, 184 mSDsluCounter, 353 mSDsCounter, 0 mSdLazyCounter, 487 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 483 SdHoareTripleChecker+Invalid, 537 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 487 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:53:30,805 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [184 Valid, 483 Invalid, 537 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 487 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-01 16:53:30,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1478 states. [2022-03-01 16:53:30,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1478 to 1335. [2022-03-01 16:53:30,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1335 states, 1328 states have (on average 1.8561746987951808) internal successors, (2465), 1334 states have internal predecessors, (2465), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:30,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1335 states to 1335 states and 2465 transitions. [2022-03-01 16:53:30,815 INFO L78 Accepts]: Start accepts. Automaton has 1335 states and 2465 transitions. Word has length 116 [2022-03-01 16:53:30,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:53:30,816 INFO L470 AbstractCegarLoop]: Abstraction has 1335 states and 2465 transitions. [2022-03-01 16:53:30,816 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:30,816 INFO L276 IsEmpty]: Start isEmpty. Operand 1335 states and 2465 transitions. [2022-03-01 16:53:30,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-03-01 16:53:30,817 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:53:30,817 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:53:30,817 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable203 [2022-03-01 16:53:30,817 INFO L402 AbstractCegarLoop]: === Iteration 205 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:53:30,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:53:30,817 INFO L85 PathProgramCache]: Analyzing trace with hash 1602431647, now seen corresponding path program 1 times [2022-03-01 16:53:30,817 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:53:30,817 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [347925681] [2022-03-01 16:53:30,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:53:30,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:53:30,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:53:30,921 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:53:30,921 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:53:30,921 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [347925681] [2022-03-01 16:53:30,921 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [347925681] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:53:30,921 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:53:30,921 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-03-01 16:53:30,922 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [823273057] [2022-03-01 16:53:30,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:53:30,922 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-03-01 16:53:30,922 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:53:30,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-03-01 16:53:30,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2022-03-01 16:53:30,922 INFO L87 Difference]: Start difference. First operand 1335 states and 2465 transitions. Second operand has 8 states, 7 states have (on average 10.142857142857142) internal successors, (71), 8 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:31,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:53:31,151 INFO L93 Difference]: Finished difference Result 1564 states and 2874 transitions. [2022-03-01 16:53:31,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-01 16:53:31,151 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 10.142857142857142) internal successors, (71), 8 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-03-01 16:53:31,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:53:31,152 INFO L225 Difference]: With dead ends: 1564 [2022-03-01 16:53:31,153 INFO L226 Difference]: Without dead ends: 1532 [2022-03-01 16:53:31,153 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2022-03-01 16:53:31,153 INFO L933 BasicCegarLoop]: 165 mSDtfsCounter, 204 mSDsluCounter, 290 mSDsCounter, 0 mSdLazyCounter, 315 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 204 SdHoareTripleChecker+Valid, 453 SdHoareTripleChecker+Invalid, 339 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 315 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-01 16:53:31,153 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [204 Valid, 453 Invalid, 339 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 315 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-01 16:53:31,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1532 states. [2022-03-01 16:53:31,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1532 to 1378. [2022-03-01 16:53:31,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1378 states, 1371 states have (on average 1.8570386579139315) internal successors, (2546), 1377 states have internal predecessors, (2546), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:31,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1378 states to 1378 states and 2546 transitions. [2022-03-01 16:53:31,163 INFO L78 Accepts]: Start accepts. Automaton has 1378 states and 2546 transitions. Word has length 116 [2022-03-01 16:53:31,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:53:31,163 INFO L470 AbstractCegarLoop]: Abstraction has 1378 states and 2546 transitions. [2022-03-01 16:53:31,163 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 10.142857142857142) internal successors, (71), 8 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:31,163 INFO L276 IsEmpty]: Start isEmpty. Operand 1378 states and 2546 transitions. [2022-03-01 16:53:31,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-03-01 16:53:31,164 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:53:31,164 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:53:31,164 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable204 [2022-03-01 16:53:31,164 INFO L402 AbstractCegarLoop]: === Iteration 206 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:53:31,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:53:31,165 INFO L85 PathProgramCache]: Analyzing trace with hash 1515051637, now seen corresponding path program 2 times [2022-03-01 16:53:31,165 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:53:31,165 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1523431844] [2022-03-01 16:53:31,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:53:31,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:53:31,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:53:31,466 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:53:31,467 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:53:31,467 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1523431844] [2022-03-01 16:53:31,467 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1523431844] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:53:31,467 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:53:31,467 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:53:31,467 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [848964673] [2022-03-01 16:53:31,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:53:31,467 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:53:31,467 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:53:31,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:53:31,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:53:31,468 INFO L87 Difference]: Start difference. First operand 1378 states and 2546 transitions. Second operand has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:31,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:53:31,990 INFO L93 Difference]: Finished difference Result 2677 states and 4898 transitions. [2022-03-01 16:53:31,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-03-01 16:53:31,990 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-03-01 16:53:31,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:53:31,993 INFO L225 Difference]: With dead ends: 2677 [2022-03-01 16:53:31,993 INFO L226 Difference]: Without dead ends: 2625 [2022-03-01 16:53:31,993 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2022-03-01 16:53:31,993 INFO L933 BasicCegarLoop]: 162 mSDtfsCounter, 227 mSDsluCounter, 376 mSDsCounter, 0 mSdLazyCounter, 640 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 227 SdHoareTripleChecker+Valid, 537 SdHoareTripleChecker+Invalid, 681 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 640 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:53:31,993 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [227 Valid, 537 Invalid, 681 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 640 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-01 16:53:31,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2625 states. [2022-03-01 16:53:32,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2625 to 1746. [2022-03-01 16:53:32,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1746 states, 1739 states have (on average 1.875215641173088) internal successors, (3261), 1745 states have internal predecessors, (3261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:32,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1746 states to 1746 states and 3261 transitions. [2022-03-01 16:53:32,009 INFO L78 Accepts]: Start accepts. Automaton has 1746 states and 3261 transitions. Word has length 116 [2022-03-01 16:53:32,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:53:32,009 INFO L470 AbstractCegarLoop]: Abstraction has 1746 states and 3261 transitions. [2022-03-01 16:53:32,009 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:32,009 INFO L276 IsEmpty]: Start isEmpty. Operand 1746 states and 3261 transitions. [2022-03-01 16:53:32,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-03-01 16:53:32,010 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:53:32,010 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:53:32,010 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable205 [2022-03-01 16:53:32,010 INFO L402 AbstractCegarLoop]: === Iteration 207 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:53:32,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:53:32,011 INFO L85 PathProgramCache]: Analyzing trace with hash 264244723, now seen corresponding path program 3 times [2022-03-01 16:53:32,011 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:53:32,011 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1000759292] [2022-03-01 16:53:32,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:53:32,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:53:32,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:53:32,347 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:53:32,348 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:53:32,348 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1000759292] [2022-03-01 16:53:32,348 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1000759292] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:53:32,348 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:53:32,348 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:53:32,348 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1816257414] [2022-03-01 16:53:32,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:53:32,348 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:53:32,348 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:53:32,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:53:32,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:53:32,348 INFO L87 Difference]: Start difference. First operand 1746 states and 3261 transitions. Second operand has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:32,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:53:32,818 INFO L93 Difference]: Finished difference Result 2063 states and 3758 transitions. [2022-03-01 16:53:32,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-01 16:53:32,819 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-03-01 16:53:32,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:53:32,821 INFO L225 Difference]: With dead ends: 2063 [2022-03-01 16:53:32,821 INFO L226 Difference]: Without dead ends: 1974 [2022-03-01 16:53:32,821 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2022-03-01 16:53:32,821 INFO L933 BasicCegarLoop]: 156 mSDtfsCounter, 188 mSDsluCounter, 478 mSDsCounter, 0 mSdLazyCounter, 551 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 188 SdHoareTripleChecker+Valid, 632 SdHoareTripleChecker+Invalid, 596 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 551 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:53:32,821 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [188 Valid, 632 Invalid, 596 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 551 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-01 16:53:32,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1974 states. [2022-03-01 16:53:32,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1974 to 1378. [2022-03-01 16:53:32,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1378 states, 1371 states have (on average 1.849744711889132) internal successors, (2536), 1377 states have internal predecessors, (2536), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:32,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1378 states to 1378 states and 2536 transitions. [2022-03-01 16:53:32,833 INFO L78 Accepts]: Start accepts. Automaton has 1378 states and 2536 transitions. Word has length 116 [2022-03-01 16:53:32,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:53:32,833 INFO L470 AbstractCegarLoop]: Abstraction has 1378 states and 2536 transitions. [2022-03-01 16:53:32,833 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:32,833 INFO L276 IsEmpty]: Start isEmpty. Operand 1378 states and 2536 transitions. [2022-03-01 16:53:32,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-03-01 16:53:32,834 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:53:32,834 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:53:32,834 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable206 [2022-03-01 16:53:32,834 INFO L402 AbstractCegarLoop]: === Iteration 208 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:53:32,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:53:32,834 INFO L85 PathProgramCache]: Analyzing trace with hash -853166091, now seen corresponding path program 4 times [2022-03-01 16:53:32,834 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:53:32,835 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [539627492] [2022-03-01 16:53:32,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:53:32,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:53:32,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:53:33,269 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:53:33,269 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:53:33,269 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [539627492] [2022-03-01 16:53:33,269 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [539627492] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:53:33,269 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:53:33,269 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:53:33,269 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656331841] [2022-03-01 16:53:33,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:53:33,270 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:53:33,270 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:53:33,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:53:33,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:53:33,270 INFO L87 Difference]: Start difference. First operand 1378 states and 2536 transitions. Second operand has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:33,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:53:33,665 INFO L93 Difference]: Finished difference Result 1589 states and 2845 transitions. [2022-03-01 16:53:33,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-01 16:53:33,665 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-03-01 16:53:33,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:53:33,667 INFO L225 Difference]: With dead ends: 1589 [2022-03-01 16:53:33,667 INFO L226 Difference]: Without dead ends: 1543 [2022-03-01 16:53:33,667 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2022-03-01 16:53:33,667 INFO L933 BasicCegarLoop]: 147 mSDtfsCounter, 212 mSDsluCounter, 294 mSDsCounter, 0 mSdLazyCounter, 387 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 212 SdHoareTripleChecker+Valid, 439 SdHoareTripleChecker+Invalid, 434 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 387 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:53:33,667 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [212 Valid, 439 Invalid, 434 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 387 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-01 16:53:33,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1543 states. [2022-03-01 16:53:33,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1543 to 1364. [2022-03-01 16:53:33,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1364 states, 1357 states have (on average 1.847457627118644) internal successors, (2507), 1363 states have internal predecessors, (2507), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:33,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1364 states to 1364 states and 2507 transitions. [2022-03-01 16:53:33,678 INFO L78 Accepts]: Start accepts. Automaton has 1364 states and 2507 transitions. Word has length 116 [2022-03-01 16:53:33,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:53:33,678 INFO L470 AbstractCegarLoop]: Abstraction has 1364 states and 2507 transitions. [2022-03-01 16:53:33,678 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:33,678 INFO L276 IsEmpty]: Start isEmpty. Operand 1364 states and 2507 transitions. [2022-03-01 16:53:33,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-03-01 16:53:33,679 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:53:33,679 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:53:33,679 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable207 [2022-03-01 16:53:33,679 INFO L402 AbstractCegarLoop]: === Iteration 209 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:53:33,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:53:33,679 INFO L85 PathProgramCache]: Analyzing trace with hash -1978558349, now seen corresponding path program 5 times [2022-03-01 16:53:33,679 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:53:33,679 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1129782387] [2022-03-01 16:53:33,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:53:33,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:53:33,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:53:34,343 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:53:34,343 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:53:34,343 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1129782387] [2022-03-01 16:53:34,343 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1129782387] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:53:34,344 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:53:34,344 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-03-01 16:53:34,344 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1372192573] [2022-03-01 16:53:34,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:53:34,344 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-03-01 16:53:34,344 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:53:34,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-03-01 16:53:34,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2022-03-01 16:53:34,344 INFO L87 Difference]: Start difference. First operand 1364 states and 2507 transitions. Second operand has 11 states, 10 states have (on average 7.1) internal successors, (71), 11 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:35,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:53:35,148 INFO L93 Difference]: Finished difference Result 1512 states and 2715 transitions. [2022-03-01 16:53:35,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-01 16:53:35,148 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 7.1) internal successors, (71), 11 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-03-01 16:53:35,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:53:35,150 INFO L225 Difference]: With dead ends: 1512 [2022-03-01 16:53:35,150 INFO L226 Difference]: Without dead ends: 1260 [2022-03-01 16:53:35,150 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=154, Invalid=352, Unknown=0, NotChecked=0, Total=506 [2022-03-01 16:53:35,150 INFO L933 BasicCegarLoop]: 138 mSDtfsCounter, 183 mSDsluCounter, 492 mSDsCounter, 0 mSdLazyCounter, 658 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 628 SdHoareTripleChecker+Invalid, 706 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 658 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:53:35,150 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [183 Valid, 628 Invalid, 706 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 658 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-01 16:53:35,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1260 states. [2022-03-01 16:53:35,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1260 to 1150. [2022-03-01 16:53:35,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1150 states, 1143 states have (on average 1.8127734033245844) internal successors, (2072), 1149 states have internal predecessors, (2072), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:35,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1150 states to 1150 states and 2072 transitions. [2022-03-01 16:53:35,171 INFO L78 Accepts]: Start accepts. Automaton has 1150 states and 2072 transitions. Word has length 116 [2022-03-01 16:53:35,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:53:35,172 INFO L470 AbstractCegarLoop]: Abstraction has 1150 states and 2072 transitions. [2022-03-01 16:53:35,172 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 7.1) internal successors, (71), 11 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:35,172 INFO L276 IsEmpty]: Start isEmpty. Operand 1150 states and 2072 transitions. [2022-03-01 16:53:35,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-03-01 16:53:35,172 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:53:35,173 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:53:35,173 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable208 [2022-03-01 16:53:35,173 INFO L402 AbstractCegarLoop]: === Iteration 210 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:53:35,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:53:35,173 INFO L85 PathProgramCache]: Analyzing trace with hash 1361020946, now seen corresponding path program 2 times [2022-03-01 16:53:35,173 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:53:35,173 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365573268] [2022-03-01 16:53:35,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:53:35,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:53:35,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:53:36,179 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:53:36,179 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:53:36,179 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [365573268] [2022-03-01 16:53:36,179 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [365573268] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:53:36,179 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:53:36,179 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:53:36,179 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [993421540] [2022-03-01 16:53:36,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:53:36,179 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:53:36,179 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:53:36,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:53:36,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:53:36,180 INFO L87 Difference]: Start difference. First operand 1150 states and 2072 transitions. Second operand has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:36,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:53:36,718 INFO L93 Difference]: Finished difference Result 1275 states and 2258 transitions. [2022-03-01 16:53:36,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-01 16:53:36,719 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-03-01 16:53:36,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:53:36,720 INFO L225 Difference]: With dead ends: 1275 [2022-03-01 16:53:36,720 INFO L226 Difference]: Without dead ends: 1250 [2022-03-01 16:53:36,720 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 2 SyntacticMatches, 8 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=109, Invalid=197, Unknown=0, NotChecked=0, Total=306 [2022-03-01 16:53:36,720 INFO L933 BasicCegarLoop]: 143 mSDtfsCounter, 166 mSDsluCounter, 465 mSDsCounter, 0 mSdLazyCounter, 428 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 606 SdHoareTripleChecker+Invalid, 477 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 428 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:53:36,720 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [166 Valid, 606 Invalid, 477 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 428 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-01 16:53:36,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1250 states. [2022-03-01 16:53:36,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1250 to 1151. [2022-03-01 16:53:36,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1151 states, 1144 states have (on average 1.812062937062937) internal successors, (2073), 1150 states have internal predecessors, (2073), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:36,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1151 states to 1151 states and 2073 transitions. [2022-03-01 16:53:36,730 INFO L78 Accepts]: Start accepts. Automaton has 1151 states and 2073 transitions. Word has length 116 [2022-03-01 16:53:36,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:53:36,730 INFO L470 AbstractCegarLoop]: Abstraction has 1151 states and 2073 transitions. [2022-03-01 16:53:36,730 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:36,730 INFO L276 IsEmpty]: Start isEmpty. Operand 1151 states and 2073 transitions. [2022-03-01 16:53:36,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-03-01 16:53:36,731 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:53:36,731 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:53:36,731 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable209 [2022-03-01 16:53:36,731 INFO L402 AbstractCegarLoop]: === Iteration 211 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:53:36,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:53:36,731 INFO L85 PathProgramCache]: Analyzing trace with hash -1954156579, now seen corresponding path program 6 times [2022-03-01 16:53:36,731 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:53:36,731 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1419493568] [2022-03-01 16:53:36,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:53:36,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:53:36,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:53:37,031 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:53:37,032 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:53:37,032 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1419493568] [2022-03-01 16:53:37,032 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1419493568] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:53:37,032 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:53:37,032 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:53:37,032 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1446989956] [2022-03-01 16:53:37,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:53:37,032 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:53:37,032 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:53:37,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:53:37,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:53:37,032 INFO L87 Difference]: Start difference. First operand 1151 states and 2073 transitions. Second operand has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:37,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:53:37,789 INFO L93 Difference]: Finished difference Result 1423 states and 2505 transitions. [2022-03-01 16:53:37,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-03-01 16:53:37,790 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-03-01 16:53:37,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:53:37,791 INFO L225 Difference]: With dead ends: 1423 [2022-03-01 16:53:37,791 INFO L226 Difference]: Without dead ends: 1387 [2022-03-01 16:53:37,791 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 5 SyntacticMatches, 4 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=173, Invalid=333, Unknown=0, NotChecked=0, Total=506 [2022-03-01 16:53:37,792 INFO L933 BasicCegarLoop]: 205 mSDtfsCounter, 258 mSDsluCounter, 732 mSDsCounter, 0 mSdLazyCounter, 744 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 258 SdHoareTripleChecker+Valid, 933 SdHoareTripleChecker+Invalid, 812 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 744 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-03-01 16:53:37,792 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [258 Valid, 933 Invalid, 812 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 744 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-01 16:53:37,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1387 states. [2022-03-01 16:53:37,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1387 to 1171. [2022-03-01 16:53:37,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1171 states, 1164 states have (on average 1.8101374570446735) internal successors, (2107), 1170 states have internal predecessors, (2107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:37,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1171 states to 1171 states and 2107 transitions. [2022-03-01 16:53:37,801 INFO L78 Accepts]: Start accepts. Automaton has 1171 states and 2107 transitions. Word has length 116 [2022-03-01 16:53:37,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:53:37,801 INFO L470 AbstractCegarLoop]: Abstraction has 1171 states and 2107 transitions. [2022-03-01 16:53:37,801 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:37,801 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 2107 transitions. [2022-03-01 16:53:37,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-03-01 16:53:37,802 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:53:37,802 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:53:37,802 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable210 [2022-03-01 16:53:37,802 INFO L402 AbstractCegarLoop]: === Iteration 212 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:53:37,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:53:37,802 INFO L85 PathProgramCache]: Analyzing trace with hash -426721413, now seen corresponding path program 7 times [2022-03-01 16:53:37,802 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:53:37,802 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2109704726] [2022-03-01 16:53:37,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:53:37,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:53:37,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:53:38,229 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:53:38,229 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:53:38,229 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2109704726] [2022-03-01 16:53:38,229 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2109704726] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:53:38,230 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:53:38,230 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:53:38,230 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1030751231] [2022-03-01 16:53:38,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:53:38,230 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:53:38,230 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:53:38,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:53:38,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:53:38,231 INFO L87 Difference]: Start difference. First operand 1171 states and 2107 transitions. Second operand has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:38,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:53:38,721 INFO L93 Difference]: Finished difference Result 1554 states and 2724 transitions. [2022-03-01 16:53:38,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-01 16:53:38,721 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-03-01 16:53:38,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:53:38,723 INFO L225 Difference]: With dead ends: 1554 [2022-03-01 16:53:38,723 INFO L226 Difference]: Without dead ends: 1520 [2022-03-01 16:53:38,723 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2022-03-01 16:53:38,723 INFO L933 BasicCegarLoop]: 161 mSDtfsCounter, 166 mSDsluCounter, 395 mSDsCounter, 0 mSdLazyCounter, 477 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 554 SdHoareTripleChecker+Invalid, 531 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 477 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:53:38,723 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [166 Valid, 554 Invalid, 531 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 477 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-01 16:53:38,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1520 states. [2022-03-01 16:53:38,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1520 to 1206. [2022-03-01 16:53:38,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1206 states, 1199 states have (on average 1.8123436196830691) internal successors, (2173), 1205 states have internal predecessors, (2173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:38,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1206 states to 1206 states and 2173 transitions. [2022-03-01 16:53:38,732 INFO L78 Accepts]: Start accepts. Automaton has 1206 states and 2173 transitions. Word has length 116 [2022-03-01 16:53:38,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:53:38,733 INFO L470 AbstractCegarLoop]: Abstraction has 1206 states and 2173 transitions. [2022-03-01 16:53:38,733 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:38,733 INFO L276 IsEmpty]: Start isEmpty. Operand 1206 states and 2173 transitions. [2022-03-01 16:53:38,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-03-01 16:53:38,734 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:53:38,734 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:53:38,734 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable211 [2022-03-01 16:53:38,734 INFO L402 AbstractCegarLoop]: === Iteration 213 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:53:38,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:53:38,734 INFO L85 PathProgramCache]: Analyzing trace with hash -1019584619, now seen corresponding path program 8 times [2022-03-01 16:53:38,734 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:53:38,734 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1510213666] [2022-03-01 16:53:38,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:53:38,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:53:38,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:53:39,802 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:53:39,802 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:53:39,802 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1510213666] [2022-03-01 16:53:39,802 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1510213666] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:53:39,802 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:53:39,802 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-03-01 16:53:39,802 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1250536124] [2022-03-01 16:53:39,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:53:39,803 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-03-01 16:53:39,803 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:53:39,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-03-01 16:53:39,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=252, Unknown=0, NotChecked=0, Total=306 [2022-03-01 16:53:39,803 INFO L87 Difference]: Start difference. First operand 1206 states and 2173 transitions. Second operand has 18 states, 17 states have (on average 4.176470588235294) internal successors, (71), 18 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:41,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:53:41,012 INFO L93 Difference]: Finished difference Result 1489 states and 2623 transitions. [2022-03-01 16:53:41,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-03-01 16:53:41,012 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 4.176470588235294) internal successors, (71), 18 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-03-01 16:53:41,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:53:41,014 INFO L225 Difference]: With dead ends: 1489 [2022-03-01 16:53:41,014 INFO L226 Difference]: Without dead ends: 1463 [2022-03-01 16:53:41,014 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 4 SyntacticMatches, 3 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 208 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=233, Invalid=889, Unknown=0, NotChecked=0, Total=1122 [2022-03-01 16:53:41,014 INFO L933 BasicCegarLoop]: 148 mSDtfsCounter, 536 mSDsluCounter, 1050 mSDsCounter, 0 mSdLazyCounter, 1130 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 536 SdHoareTripleChecker+Valid, 1196 SdHoareTripleChecker+Invalid, 1213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 1130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-03-01 16:53:41,014 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [536 Valid, 1196 Invalid, 1213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 1130 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-03-01 16:53:41,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1463 states. [2022-03-01 16:53:41,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1463 to 1259. [2022-03-01 16:53:41,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1259 states, 1252 states have (on average 1.8099041533546325) internal successors, (2266), 1258 states have internal predecessors, (2266), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:41,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1259 states to 1259 states and 2266 transitions. [2022-03-01 16:53:41,024 INFO L78 Accepts]: Start accepts. Automaton has 1259 states and 2266 transitions. Word has length 116 [2022-03-01 16:53:41,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:53:41,024 INFO L470 AbstractCegarLoop]: Abstraction has 1259 states and 2266 transitions. [2022-03-01 16:53:41,024 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 4.176470588235294) internal successors, (71), 18 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:41,024 INFO L276 IsEmpty]: Start isEmpty. Operand 1259 states and 2266 transitions. [2022-03-01 16:53:41,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-03-01 16:53:41,025 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:53:41,025 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:53:41,025 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable212 [2022-03-01 16:53:41,025 INFO L402 AbstractCegarLoop]: === Iteration 214 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:53:41,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:53:41,026 INFO L85 PathProgramCache]: Analyzing trace with hash -476588007, now seen corresponding path program 9 times [2022-03-01 16:53:41,026 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:53:41,026 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2006231712] [2022-03-01 16:53:41,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:53:41,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:53:41,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:53:41,621 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:53:41,621 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:53:41,621 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2006231712] [2022-03-01 16:53:41,621 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2006231712] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:53:41,621 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:53:41,621 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:53:41,621 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [863478143] [2022-03-01 16:53:41,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:53:41,621 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:53:41,621 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:53:41,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:53:41,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:53:41,622 INFO L87 Difference]: Start difference. First operand 1259 states and 2266 transitions. Second operand has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:42,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:53:42,085 INFO L93 Difference]: Finished difference Result 1500 states and 2645 transitions. [2022-03-01 16:53:42,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-01 16:53:42,085 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-03-01 16:53:42,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:53:42,086 INFO L225 Difference]: With dead ends: 1500 [2022-03-01 16:53:42,086 INFO L226 Difference]: Without dead ends: 1360 [2022-03-01 16:53:42,087 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2022-03-01 16:53:42,087 INFO L933 BasicCegarLoop]: 161 mSDtfsCounter, 172 mSDsluCounter, 373 mSDsCounter, 0 mSdLazyCounter, 426 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 532 SdHoareTripleChecker+Invalid, 488 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 426 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:53:42,087 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [172 Valid, 532 Invalid, 488 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 426 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-01 16:53:42,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1360 states. [2022-03-01 16:53:42,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1360 to 1172. [2022-03-01 16:53:42,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1172 states, 1165 states have (on average 1.809442060085837) internal successors, (2108), 1171 states have internal predecessors, (2108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:42,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1172 states to 1172 states and 2108 transitions. [2022-03-01 16:53:42,106 INFO L78 Accepts]: Start accepts. Automaton has 1172 states and 2108 transitions. Word has length 116 [2022-03-01 16:53:42,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:53:42,106 INFO L470 AbstractCegarLoop]: Abstraction has 1172 states and 2108 transitions. [2022-03-01 16:53:42,106 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:42,106 INFO L276 IsEmpty]: Start isEmpty. Operand 1172 states and 2108 transitions. [2022-03-01 16:53:42,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-03-01 16:53:42,107 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:53:42,107 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:53:42,107 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable213 [2022-03-01 16:53:42,107 INFO L402 AbstractCegarLoop]: === Iteration 215 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:53:42,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:53:42,108 INFO L85 PathProgramCache]: Analyzing trace with hash 1450601971, now seen corresponding path program 10 times [2022-03-01 16:53:42,108 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:53:42,108 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1513000197] [2022-03-01 16:53:42,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:53:42,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:53:42,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:53:42,763 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:53:42,763 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:53:42,763 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1513000197] [2022-03-01 16:53:42,763 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1513000197] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:53:42,763 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:53:42,763 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:53:42,763 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299175869] [2022-03-01 16:53:42,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:53:42,763 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:53:42,763 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:53:42,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:53:42,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:53:42,764 INFO L87 Difference]: Start difference. First operand 1172 states and 2108 transitions. Second operand has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:43,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:53:43,225 INFO L93 Difference]: Finished difference Result 1400 states and 2468 transitions. [2022-03-01 16:53:43,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-01 16:53:43,225 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-03-01 16:53:43,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:53:43,227 INFO L225 Difference]: With dead ends: 1400 [2022-03-01 16:53:43,227 INFO L226 Difference]: Without dead ends: 1325 [2022-03-01 16:53:43,227 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2022-03-01 16:53:43,227 INFO L933 BasicCegarLoop]: 155 mSDtfsCounter, 157 mSDsluCounter, 361 mSDsCounter, 0 mSdLazyCounter, 406 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 514 SdHoareTripleChecker+Invalid, 457 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 406 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:53:43,227 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [157 Valid, 514 Invalid, 457 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 406 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-01 16:53:43,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1325 states. [2022-03-01 16:53:43,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1325 to 1173. [2022-03-01 16:53:43,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1173 states, 1166 states have (on average 1.8087478559176673) internal successors, (2109), 1172 states have internal predecessors, (2109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:43,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1173 states to 1173 states and 2109 transitions. [2022-03-01 16:53:43,236 INFO L78 Accepts]: Start accepts. Automaton has 1173 states and 2109 transitions. Word has length 116 [2022-03-01 16:53:43,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:53:43,236 INFO L470 AbstractCegarLoop]: Abstraction has 1173 states and 2109 transitions. [2022-03-01 16:53:43,236 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:43,236 INFO L276 IsEmpty]: Start isEmpty. Operand 1173 states and 2109 transitions. [2022-03-01 16:53:43,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-03-01 16:53:43,237 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:53:43,237 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:53:43,237 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable214 [2022-03-01 16:53:43,237 INFO L402 AbstractCegarLoop]: === Iteration 216 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:53:43,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:53:43,237 INFO L85 PathProgramCache]: Analyzing trace with hash 535762931, now seen corresponding path program 11 times [2022-03-01 16:53:43,237 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:53:43,237 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1828178070] [2022-03-01 16:53:43,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:53:43,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:53:43,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:53:44,525 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:53:44,525 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:53:44,525 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1828178070] [2022-03-01 16:53:44,525 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1828178070] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:53:44,526 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:53:44,526 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-03-01 16:53:44,526 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [606833413] [2022-03-01 16:53:44,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:53:44,526 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-03-01 16:53:44,526 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:53:44,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-03-01 16:53:44,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2022-03-01 16:53:44,526 INFO L87 Difference]: Start difference. First operand 1173 states and 2109 transitions. Second operand has 11 states, 10 states have (on average 7.1) internal successors, (71), 11 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:44,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:53:44,970 INFO L93 Difference]: Finished difference Result 1228 states and 2179 transitions. [2022-03-01 16:53:44,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-01 16:53:44,970 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 7.1) internal successors, (71), 11 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-03-01 16:53:44,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:53:44,971 INFO L225 Difference]: With dead ends: 1228 [2022-03-01 16:53:44,971 INFO L226 Difference]: Without dead ends: 1202 [2022-03-01 16:53:44,971 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=105, Invalid=237, Unknown=0, NotChecked=0, Total=342 [2022-03-01 16:53:44,972 INFO L933 BasicCegarLoop]: 127 mSDtfsCounter, 90 mSDsluCounter, 318 mSDsCounter, 0 mSdLazyCounter, 329 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 443 SdHoareTripleChecker+Invalid, 353 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 329 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-01 16:53:44,972 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [90 Valid, 443 Invalid, 353 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 329 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-01 16:53:44,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1202 states. [2022-03-01 16:53:44,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1202 to 1174. [2022-03-01 16:53:44,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1174 states, 1167 states have (on average 1.8080548414738646) internal successors, (2110), 1173 states have internal predecessors, (2110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:44,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1174 states to 1174 states and 2110 transitions. [2022-03-01 16:53:44,980 INFO L78 Accepts]: Start accepts. Automaton has 1174 states and 2110 transitions. Word has length 116 [2022-03-01 16:53:44,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:53:44,980 INFO L470 AbstractCegarLoop]: Abstraction has 1174 states and 2110 transitions. [2022-03-01 16:53:44,980 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 7.1) internal successors, (71), 11 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:44,980 INFO L276 IsEmpty]: Start isEmpty. Operand 1174 states and 2110 transitions. [2022-03-01 16:53:44,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-03-01 16:53:44,981 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:53:44,981 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:53:44,981 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable215 [2022-03-01 16:53:44,981 INFO L402 AbstractCegarLoop]: === Iteration 217 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:53:44,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:53:44,981 INFO L85 PathProgramCache]: Analyzing trace with hash 422152241, now seen corresponding path program 12 times [2022-03-01 16:53:44,982 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:53:44,982 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [916559837] [2022-03-01 16:53:44,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:53:44,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:53:45,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:53:45,818 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:53:45,819 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:53:45,819 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [916559837] [2022-03-01 16:53:45,819 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [916559837] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:53:45,819 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:53:45,819 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:53:45,819 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1184545169] [2022-03-01 16:53:45,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:53:45,819 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:53:45,819 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:53:45,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:53:45,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:53:45,820 INFO L87 Difference]: Start difference. First operand 1174 states and 2110 transitions. Second operand has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:46,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:53:46,402 INFO L93 Difference]: Finished difference Result 1308 states and 2312 transitions. [2022-03-01 16:53:46,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-01 16:53:46,403 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-03-01 16:53:46,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:53:46,404 INFO L225 Difference]: With dead ends: 1308 [2022-03-01 16:53:46,404 INFO L226 Difference]: Without dead ends: 1244 [2022-03-01 16:53:46,404 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 4 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2022-03-01 16:53:46,404 INFO L933 BasicCegarLoop]: 144 mSDtfsCounter, 120 mSDsluCounter, 605 mSDsCounter, 0 mSdLazyCounter, 635 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 747 SdHoareTripleChecker+Invalid, 663 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 635 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:53:46,404 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [120 Valid, 747 Invalid, 663 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 635 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-01 16:53:46,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1244 states. [2022-03-01 16:53:46,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1244 to 1160. [2022-03-01 16:53:46,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1160 states, 1153 states have (on average 1.8091934084995664) internal successors, (2086), 1159 states have internal predecessors, (2086), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:46,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1160 states to 1160 states and 2086 transitions. [2022-03-01 16:53:46,413 INFO L78 Accepts]: Start accepts. Automaton has 1160 states and 2086 transitions. Word has length 116 [2022-03-01 16:53:46,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:53:46,413 INFO L470 AbstractCegarLoop]: Abstraction has 1160 states and 2086 transitions. [2022-03-01 16:53:46,413 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:46,413 INFO L276 IsEmpty]: Start isEmpty. Operand 1160 states and 2086 transitions. [2022-03-01 16:53:46,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-03-01 16:53:46,414 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:53:46,414 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:53:46,414 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable216 [2022-03-01 16:53:46,414 INFO L402 AbstractCegarLoop]: === Iteration 218 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:53:46,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:53:46,414 INFO L85 PathProgramCache]: Analyzing trace with hash 175830382, now seen corresponding path program 3 times [2022-03-01 16:53:46,414 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:53:46,414 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096490534] [2022-03-01 16:53:46,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:53:46,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:53:46,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:53:47,340 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:53:47,340 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:53:47,340 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2096490534] [2022-03-01 16:53:47,340 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2096490534] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:53:47,340 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:53:47,340 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:53:47,340 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [155020766] [2022-03-01 16:53:47,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:53:47,340 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:53:47,340 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:53:47,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:53:47,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:53:47,341 INFO L87 Difference]: Start difference. First operand 1160 states and 2086 transitions. Second operand has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:47,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:53:47,926 INFO L93 Difference]: Finished difference Result 1292 states and 2276 transitions. [2022-03-01 16:53:47,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-01 16:53:47,926 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-03-01 16:53:47,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:53:47,927 INFO L225 Difference]: With dead ends: 1292 [2022-03-01 16:53:47,928 INFO L226 Difference]: Without dead ends: 1217 [2022-03-01 16:53:47,928 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 6 SyntacticMatches, 4 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=90, Invalid=182, Unknown=0, NotChecked=0, Total=272 [2022-03-01 16:53:47,928 INFO L933 BasicCegarLoop]: 171 mSDtfsCounter, 171 mSDsluCounter, 516 mSDsCounter, 0 mSdLazyCounter, 459 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 684 SdHoareTripleChecker+Invalid, 532 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 459 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:53:47,928 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [171 Valid, 684 Invalid, 532 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 459 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-01 16:53:47,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1217 states. [2022-03-01 16:53:47,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1217 to 1123. [2022-03-01 16:53:47,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1123 states, 1116 states have (on average 1.8028673835125448) internal successors, (2012), 1122 states have internal predecessors, (2012), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:47,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1123 states to 1123 states and 2012 transitions. [2022-03-01 16:53:47,936 INFO L78 Accepts]: Start accepts. Automaton has 1123 states and 2012 transitions. Word has length 116 [2022-03-01 16:53:47,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:53:47,936 INFO L470 AbstractCegarLoop]: Abstraction has 1123 states and 2012 transitions. [2022-03-01 16:53:47,936 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:47,937 INFO L276 IsEmpty]: Start isEmpty. Operand 1123 states and 2012 transitions. [2022-03-01 16:53:47,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-03-01 16:53:47,937 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:53:47,937 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:53:47,937 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable217 [2022-03-01 16:53:47,938 INFO L402 AbstractCegarLoop]: === Iteration 219 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:53:47,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:53:47,938 INFO L85 PathProgramCache]: Analyzing trace with hash 566339014, now seen corresponding path program 4 times [2022-03-01 16:53:47,938 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:53:47,938 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206675531] [2022-03-01 16:53:47,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:53:47,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:53:47,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:53:48,836 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:53:48,837 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:53:48,837 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1206675531] [2022-03-01 16:53:48,837 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1206675531] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:53:48,837 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:53:48,837 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:53:48,837 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [708068421] [2022-03-01 16:53:48,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:53:48,837 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:53:48,837 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:53:48,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:53:48,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:53:48,837 INFO L87 Difference]: Start difference. First operand 1123 states and 2012 transitions. Second operand has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:49,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:53:49,391 INFO L93 Difference]: Finished difference Result 1209 states and 2138 transitions. [2022-03-01 16:53:49,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-01 16:53:49,391 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-03-01 16:53:49,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:53:49,392 INFO L225 Difference]: With dead ends: 1209 [2022-03-01 16:53:49,392 INFO L226 Difference]: Without dead ends: 1180 [2022-03-01 16:53:49,392 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 2 SyntacticMatches, 8 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=90, Invalid=182, Unknown=0, NotChecked=0, Total=272 [2022-03-01 16:53:49,392 INFO L933 BasicCegarLoop]: 149 mSDtfsCounter, 165 mSDsluCounter, 447 mSDsCounter, 0 mSdLazyCounter, 377 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 594 SdHoareTripleChecker+Invalid, 446 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 377 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:53:49,392 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [165 Valid, 594 Invalid, 446 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 377 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-01 16:53:49,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1180 states. [2022-03-01 16:53:49,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1180 to 1122. [2022-03-01 16:53:49,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1122 states, 1115 states have (on average 1.8026905829596414) internal successors, (2010), 1121 states have internal predecessors, (2010), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:49,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1122 states to 1122 states and 2010 transitions. [2022-03-01 16:53:49,401 INFO L78 Accepts]: Start accepts. Automaton has 1122 states and 2010 transitions. Word has length 116 [2022-03-01 16:53:49,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:53:49,401 INFO L470 AbstractCegarLoop]: Abstraction has 1122 states and 2010 transitions. [2022-03-01 16:53:49,401 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:49,401 INFO L276 IsEmpty]: Start isEmpty. Operand 1122 states and 2010 transitions. [2022-03-01 16:53:49,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-03-01 16:53:49,402 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:53:49,402 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:53:49,402 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable218 [2022-03-01 16:53:49,402 INFO L402 AbstractCegarLoop]: === Iteration 220 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:53:49,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:53:49,402 INFO L85 PathProgramCache]: Analyzing trace with hash 373201338, now seen corresponding path program 5 times [2022-03-01 16:53:49,402 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:53:49,402 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1711444945] [2022-03-01 16:53:49,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:53:49,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:53:49,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:53:50,268 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:53:50,268 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:53:50,268 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1711444945] [2022-03-01 16:53:50,268 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1711444945] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:53:50,268 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:53:50,268 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:53:50,268 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [855381192] [2022-03-01 16:53:50,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:53:50,269 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:53:50,269 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:53:50,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:53:50,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:53:50,269 INFO L87 Difference]: Start difference. First operand 1122 states and 2010 transitions. Second operand has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:50,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:53:50,806 INFO L93 Difference]: Finished difference Result 1178 states and 2101 transitions. [2022-03-01 16:53:50,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-01 16:53:50,806 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-03-01 16:53:50,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:53:50,808 INFO L225 Difference]: With dead ends: 1178 [2022-03-01 16:53:50,808 INFO L226 Difference]: Without dead ends: 1150 [2022-03-01 16:53:50,808 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 2 SyntacticMatches, 8 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=71, Invalid=139, Unknown=0, NotChecked=0, Total=210 [2022-03-01 16:53:50,808 INFO L933 BasicCegarLoop]: 167 mSDtfsCounter, 164 mSDsluCounter, 611 mSDsCounter, 0 mSdLazyCounter, 462 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 164 SdHoareTripleChecker+Valid, 774 SdHoareTripleChecker+Invalid, 527 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 462 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:53:50,808 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [164 Valid, 774 Invalid, 527 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 462 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-01 16:53:50,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1150 states. [2022-03-01 16:53:50,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1150 to 1101. [2022-03-01 16:53:50,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1101 states, 1094 states have (on average 1.8162705667276051) internal successors, (1987), 1100 states have internal predecessors, (1987), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:50,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1101 states to 1101 states and 1987 transitions. [2022-03-01 16:53:50,816 INFO L78 Accepts]: Start accepts. Automaton has 1101 states and 1987 transitions. Word has length 116 [2022-03-01 16:53:50,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:53:50,816 INFO L470 AbstractCegarLoop]: Abstraction has 1101 states and 1987 transitions. [2022-03-01 16:53:50,816 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:50,816 INFO L276 IsEmpty]: Start isEmpty. Operand 1101 states and 1987 transitions. [2022-03-01 16:53:50,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-03-01 16:53:50,817 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:53:50,817 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:53:50,817 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable219 [2022-03-01 16:53:50,817 INFO L402 AbstractCegarLoop]: === Iteration 221 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:53:50,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:53:50,818 INFO L85 PathProgramCache]: Analyzing trace with hash 1361553491, now seen corresponding path program 13 times [2022-03-01 16:53:50,818 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:53:50,818 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1108796806] [2022-03-01 16:53:50,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:53:50,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:53:50,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:53:51,180 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:53:51,180 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:53:51,180 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1108796806] [2022-03-01 16:53:51,180 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1108796806] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:53:51,180 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:53:51,180 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:53:51,180 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [549018009] [2022-03-01 16:53:51,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:53:51,181 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:53:51,181 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:53:51,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:53:51,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:53:51,181 INFO L87 Difference]: Start difference. First operand 1101 states and 1987 transitions. Second operand has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:51,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:53:51,630 INFO L93 Difference]: Finished difference Result 1380 states and 2424 transitions. [2022-03-01 16:53:51,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-01 16:53:51,630 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-03-01 16:53:51,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:53:51,632 INFO L225 Difference]: With dead ends: 1380 [2022-03-01 16:53:51,632 INFO L226 Difference]: Without dead ends: 1346 [2022-03-01 16:53:51,632 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=81, Invalid=159, Unknown=0, NotChecked=0, Total=240 [2022-03-01 16:53:51,632 INFO L933 BasicCegarLoop]: 158 mSDtfsCounter, 181 mSDsluCounter, 464 mSDsCounter, 0 mSdLazyCounter, 448 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 181 SdHoareTripleChecker+Valid, 619 SdHoareTripleChecker+Invalid, 519 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 448 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:53:51,632 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [181 Valid, 619 Invalid, 519 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 448 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-01 16:53:51,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1346 states. [2022-03-01 16:53:51,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1346 to 1105. [2022-03-01 16:53:51,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1105 states, 1098 states have (on average 1.8169398907103824) internal successors, (1995), 1104 states have internal predecessors, (1995), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:51,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1105 states to 1105 states and 1995 transitions. [2022-03-01 16:53:51,641 INFO L78 Accepts]: Start accepts. Automaton has 1105 states and 1995 transitions. Word has length 116 [2022-03-01 16:53:51,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:53:51,641 INFO L470 AbstractCegarLoop]: Abstraction has 1105 states and 1995 transitions. [2022-03-01 16:53:51,641 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:51,641 INFO L276 IsEmpty]: Start isEmpty. Operand 1105 states and 1995 transitions. [2022-03-01 16:53:51,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-03-01 16:53:51,642 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:53:51,642 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:53:51,642 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable220 [2022-03-01 16:53:51,642 INFO L402 AbstractCegarLoop]: === Iteration 222 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:53:51,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:53:51,642 INFO L85 PathProgramCache]: Analyzing trace with hash 768690285, now seen corresponding path program 14 times [2022-03-01 16:53:51,642 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:53:51,642 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [652124048] [2022-03-01 16:53:51,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:53:51,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:53:51,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:53:52,095 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:53:52,095 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:53:52,096 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [652124048] [2022-03-01 16:53:52,096 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [652124048] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:53:52,096 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:53:52,096 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:53:52,096 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052064360] [2022-03-01 16:53:52,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:53:52,096 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:53:52,096 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:53:52,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:53:52,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:53:52,096 INFO L87 Difference]: Start difference. First operand 1105 states and 1995 transitions. Second operand has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:52,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:53:52,515 INFO L93 Difference]: Finished difference Result 1308 states and 2301 transitions. [2022-03-01 16:53:52,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-01 16:53:52,515 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-03-01 16:53:52,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:53:52,516 INFO L225 Difference]: With dead ends: 1308 [2022-03-01 16:53:52,517 INFO L226 Difference]: Without dead ends: 1282 [2022-03-01 16:53:52,517 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=81, Invalid=159, Unknown=0, NotChecked=0, Total=240 [2022-03-01 16:53:52,517 INFO L933 BasicCegarLoop]: 158 mSDtfsCounter, 187 mSDsluCounter, 315 mSDsCounter, 0 mSdLazyCounter, 346 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 187 SdHoareTripleChecker+Valid, 471 SdHoareTripleChecker+Invalid, 425 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 346 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:53:52,517 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [187 Valid, 471 Invalid, 425 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 346 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-01 16:53:52,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1282 states. [2022-03-01 16:53:52,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1282 to 1108. [2022-03-01 16:53:52,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1108 states, 1101 states have (on average 1.8174386920980927) internal successors, (2001), 1107 states have internal predecessors, (2001), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:52,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1108 states to 1108 states and 2001 transitions. [2022-03-01 16:53:52,526 INFO L78 Accepts]: Start accepts. Automaton has 1108 states and 2001 transitions. Word has length 116 [2022-03-01 16:53:52,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:53:52,526 INFO L470 AbstractCegarLoop]: Abstraction has 1108 states and 2001 transitions. [2022-03-01 16:53:52,526 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:52,526 INFO L276 IsEmpty]: Start isEmpty. Operand 1108 states and 2001 transitions. [2022-03-01 16:53:52,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-03-01 16:53:52,527 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:53:52,527 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:53:52,527 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable221 [2022-03-01 16:53:52,527 INFO L402 AbstractCegarLoop]: === Iteration 223 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:53:52,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:53:52,527 INFO L85 PathProgramCache]: Analyzing trace with hash 1311686897, now seen corresponding path program 15 times [2022-03-01 16:53:52,527 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:53:52,527 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [807437392] [2022-03-01 16:53:52,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:53:52,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:53:52,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:53:53,314 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:53:53,314 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:53:53,314 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [807437392] [2022-03-01 16:53:53,314 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [807437392] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:53:53,314 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:53:53,314 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-03-01 16:53:53,314 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1357203973] [2022-03-01 16:53:53,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:53:53,315 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-03-01 16:53:53,315 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:53:53,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-03-01 16:53:53,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2022-03-01 16:53:53,315 INFO L87 Difference]: Start difference. First operand 1108 states and 2001 transitions. Second operand has 11 states, 10 states have (on average 7.1) internal successors, (71), 11 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:54,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:53:54,164 INFO L93 Difference]: Finished difference Result 1383 states and 2452 transitions. [2022-03-01 16:53:54,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-03-01 16:53:54,164 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 7.1) internal successors, (71), 11 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-03-01 16:53:54,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:53:54,166 INFO L225 Difference]: With dead ends: 1383 [2022-03-01 16:53:54,166 INFO L226 Difference]: Without dead ends: 1308 [2022-03-01 16:53:54,166 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=129, Invalid=291, Unknown=0, NotChecked=0, Total=420 [2022-03-01 16:53:54,166 INFO L933 BasicCegarLoop]: 148 mSDtfsCounter, 155 mSDsluCounter, 492 mSDsCounter, 0 mSdLazyCounter, 592 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 638 SdHoareTripleChecker+Invalid, 669 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 592 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:53:54,166 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [155 Valid, 638 Invalid, 669 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 592 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-01 16:53:54,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1308 states. [2022-03-01 16:53:54,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1308 to 1117. [2022-03-01 16:53:54,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1117 states, 1110 states have (on average 1.818018018018018) internal successors, (2018), 1116 states have internal predecessors, (2018), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:54,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1117 states to 1117 states and 2018 transitions. [2022-03-01 16:53:54,175 INFO L78 Accepts]: Start accepts. Automaton has 1117 states and 2018 transitions. Word has length 116 [2022-03-01 16:53:54,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:53:54,175 INFO L470 AbstractCegarLoop]: Abstraction has 1117 states and 2018 transitions. [2022-03-01 16:53:54,175 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 7.1) internal successors, (71), 11 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:54,175 INFO L276 IsEmpty]: Start isEmpty. Operand 1117 states and 2018 transitions. [2022-03-01 16:53:54,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-03-01 16:53:54,176 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:53:54,176 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:53:54,176 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable222 [2022-03-01 16:53:54,176 INFO L402 AbstractCegarLoop]: === Iteration 224 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:53:54,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:53:54,176 INFO L85 PathProgramCache]: Analyzing trace with hash -1056090421, now seen corresponding path program 16 times [2022-03-01 16:53:54,176 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:53:54,176 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287074562] [2022-03-01 16:53:54,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:53:54,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:53:54,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:53:54,734 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:53:54,734 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:53:54,734 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [287074562] [2022-03-01 16:53:54,734 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [287074562] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:53:54,734 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:53:54,734 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:53:54,734 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175166056] [2022-03-01 16:53:54,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:53:54,735 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:53:54,735 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:53:54,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:53:54,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:53:54,735 INFO L87 Difference]: Start difference. First operand 1117 states and 2018 transitions. Second operand has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:55,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:53:55,366 INFO L93 Difference]: Finished difference Result 1402 states and 2464 transitions. [2022-03-01 16:53:55,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-01 16:53:55,366 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-03-01 16:53:55,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:53:55,367 INFO L225 Difference]: With dead ends: 1402 [2022-03-01 16:53:55,367 INFO L226 Difference]: Without dead ends: 1327 [2022-03-01 16:53:55,367 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=100, Invalid=206, Unknown=0, NotChecked=0, Total=306 [2022-03-01 16:53:55,368 INFO L933 BasicCegarLoop]: 166 mSDtfsCounter, 178 mSDsluCounter, 489 mSDsCounter, 0 mSdLazyCounter, 500 mSolverCounterSat, 92 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 178 SdHoareTripleChecker+Valid, 652 SdHoareTripleChecker+Invalid, 592 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 92 IncrementalHoareTripleChecker+Valid, 500 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:53:55,368 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [178 Valid, 652 Invalid, 592 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [92 Valid, 500 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-01 16:53:55,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1327 states. [2022-03-01 16:53:55,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1327 to 1118. [2022-03-01 16:53:55,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1118 states, 1111 states have (on average 1.8172817281728173) internal successors, (2019), 1117 states have internal predecessors, (2019), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:55,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1118 states to 1118 states and 2019 transitions. [2022-03-01 16:53:55,376 INFO L78 Accepts]: Start accepts. Automaton has 1118 states and 2019 transitions. Word has length 116 [2022-03-01 16:53:55,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:53:55,376 INFO L470 AbstractCegarLoop]: Abstraction has 1118 states and 2019 transitions. [2022-03-01 16:53:55,376 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:55,376 INFO L276 IsEmpty]: Start isEmpty. Operand 1118 states and 2019 transitions. [2022-03-01 16:53:55,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-03-01 16:53:55,377 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:53:55,377 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:53:55,377 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable223 [2022-03-01 16:53:55,377 INFO L402 AbstractCegarLoop]: === Iteration 225 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:53:55,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:53:55,378 INFO L85 PathProgramCache]: Analyzing trace with hash -1970929461, now seen corresponding path program 17 times [2022-03-01 16:53:55,378 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:53:55,378 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1328687312] [2022-03-01 16:53:55,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:53:55,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:53:55,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:53:56,161 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:53:56,161 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:53:56,161 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1328687312] [2022-03-01 16:53:56,161 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1328687312] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:53:56,161 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:53:56,161 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:53:56,161 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098505807] [2022-03-01 16:53:56,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:53:56,162 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:53:56,162 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:53:56,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:53:56,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:53:56,162 INFO L87 Difference]: Start difference. First operand 1118 states and 2019 transitions. Second operand has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:56,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:53:56,916 INFO L93 Difference]: Finished difference Result 1308 states and 2305 transitions. [2022-03-01 16:53:56,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-03-01 16:53:56,917 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-03-01 16:53:56,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:53:56,918 INFO L225 Difference]: With dead ends: 1308 [2022-03-01 16:53:56,918 INFO L226 Difference]: Without dead ends: 1282 [2022-03-01 16:53:56,918 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 4 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=123, Invalid=257, Unknown=0, NotChecked=0, Total=380 [2022-03-01 16:53:56,918 INFO L933 BasicCegarLoop]: 162 mSDtfsCounter, 183 mSDsluCounter, 448 mSDsCounter, 0 mSdLazyCounter, 501 mSolverCounterSat, 97 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 608 SdHoareTripleChecker+Invalid, 598 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 97 IncrementalHoareTripleChecker+Valid, 501 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:53:56,918 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [183 Valid, 608 Invalid, 598 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [97 Valid, 501 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-01 16:53:56,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1282 states. [2022-03-01 16:53:56,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1282 to 1119. [2022-03-01 16:53:56,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1119 states, 1112 states have (on average 1.816546762589928) internal successors, (2020), 1118 states have internal predecessors, (2020), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:56,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1119 states to 1119 states and 2020 transitions. [2022-03-01 16:53:56,927 INFO L78 Accepts]: Start accepts. Automaton has 1119 states and 2020 transitions. Word has length 116 [2022-03-01 16:53:56,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:53:56,927 INFO L470 AbstractCegarLoop]: Abstraction has 1119 states and 2020 transitions. [2022-03-01 16:53:56,927 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:56,927 INFO L276 IsEmpty]: Start isEmpty. Operand 1119 states and 2020 transitions. [2022-03-01 16:53:56,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-03-01 16:53:56,928 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:53:56,928 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:53:56,928 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable224 [2022-03-01 16:53:56,928 INFO L402 AbstractCegarLoop]: === Iteration 226 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:53:56,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:53:56,928 INFO L85 PathProgramCache]: Analyzing trace with hash -2084540151, now seen corresponding path program 18 times [2022-03-01 16:53:56,929 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:53:56,929 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490983608] [2022-03-01 16:53:56,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:53:56,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:53:56,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:53:57,658 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:53:57,658 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:53:57,658 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1490983608] [2022-03-01 16:53:57,658 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1490983608] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:53:57,659 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:53:57,659 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:53:57,659 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [186514644] [2022-03-01 16:53:57,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:53:57,659 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:53:57,659 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:53:57,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:53:57,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:53:57,659 INFO L87 Difference]: Start difference. First operand 1119 states and 2020 transitions. Second operand has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:58,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:53:58,342 INFO L93 Difference]: Finished difference Result 1310 states and 2308 transitions. [2022-03-01 16:53:58,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-01 16:53:58,342 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-03-01 16:53:58,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:53:58,344 INFO L225 Difference]: With dead ends: 1310 [2022-03-01 16:53:58,344 INFO L226 Difference]: Without dead ends: 1257 [2022-03-01 16:53:58,344 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 4 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=111, Invalid=231, Unknown=0, NotChecked=0, Total=342 [2022-03-01 16:53:58,344 INFO L933 BasicCegarLoop]: 164 mSDtfsCounter, 155 mSDsluCounter, 507 mSDsCounter, 0 mSdLazyCounter, 527 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 668 SdHoareTripleChecker+Invalid, 611 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 527 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:53:58,344 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [155 Valid, 668 Invalid, 611 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 527 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-01 16:53:58,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1257 states. [2022-03-01 16:53:58,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1257 to 1116. [2022-03-01 16:53:58,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1116 states, 1109 states have (on average 1.8169522091974752) internal successors, (2015), 1115 states have internal predecessors, (2015), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:58,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1116 states to 1116 states and 2015 transitions. [2022-03-01 16:53:58,352 INFO L78 Accepts]: Start accepts. Automaton has 1116 states and 2015 transitions. Word has length 116 [2022-03-01 16:53:58,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:53:58,352 INFO L470 AbstractCegarLoop]: Abstraction has 1116 states and 2015 transitions. [2022-03-01 16:53:58,352 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:58,352 INFO L276 IsEmpty]: Start isEmpty. Operand 1116 states and 2015 transitions. [2022-03-01 16:53:58,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-03-01 16:53:58,353 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:53:58,353 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:53:58,353 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable225 [2022-03-01 16:53:58,353 INFO L402 AbstractCegarLoop]: === Iteration 227 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:53:58,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:53:58,353 INFO L85 PathProgramCache]: Analyzing trace with hash 1641324963, now seen corresponding path program 19 times [2022-03-01 16:53:58,354 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:53:58,354 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [347923889] [2022-03-01 16:53:58,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:53:58,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:53:58,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:53:58,808 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:53:58,808 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:53:58,808 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [347923889] [2022-03-01 16:53:58,808 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [347923889] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:53:58,808 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:53:58,808 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:53:58,809 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382612890] [2022-03-01 16:53:58,809 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:53:58,809 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:53:58,809 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:53:58,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:53:58,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:53:58,809 INFO L87 Difference]: Start difference. First operand 1116 states and 2015 transitions. Second operand has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:59,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:53:59,318 INFO L93 Difference]: Finished difference Result 1279 states and 2267 transitions. [2022-03-01 16:53:59,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-01 16:53:59,318 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-03-01 16:53:59,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:53:59,320 INFO L225 Difference]: With dead ends: 1279 [2022-03-01 16:53:59,320 INFO L226 Difference]: Without dead ends: 1204 [2022-03-01 16:53:59,320 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=71, Invalid=139, Unknown=0, NotChecked=0, Total=210 [2022-03-01 16:53:59,320 INFO L933 BasicCegarLoop]: 170 mSDtfsCounter, 188 mSDsluCounter, 561 mSDsCounter, 0 mSdLazyCounter, 518 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 188 SdHoareTripleChecker+Valid, 729 SdHoareTripleChecker+Invalid, 592 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 518 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:53:59,320 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [188 Valid, 729 Invalid, 592 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 518 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-01 16:53:59,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1204 states. [2022-03-01 16:53:59,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1204 to 1098. [2022-03-01 16:53:59,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1098 states, 1091 states have (on average 1.8130155820348304) internal successors, (1978), 1097 states have internal predecessors, (1978), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:59,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1098 states to 1098 states and 1978 transitions. [2022-03-01 16:53:59,328 INFO L78 Accepts]: Start accepts. Automaton has 1098 states and 1978 transitions. Word has length 116 [2022-03-01 16:53:59,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:53:59,328 INFO L470 AbstractCegarLoop]: Abstraction has 1098 states and 1978 transitions. [2022-03-01 16:53:59,328 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:59,328 INFO L276 IsEmpty]: Start isEmpty. Operand 1098 states and 1978 transitions. [2022-03-01 16:53:59,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-03-01 16:53:59,329 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:53:59,329 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:53:59,329 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable226 [2022-03-01 16:53:59,329 INFO L402 AbstractCegarLoop]: === Iteration 228 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:53:59,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:53:59,329 INFO L85 PathProgramCache]: Analyzing trace with hash 726485923, now seen corresponding path program 20 times [2022-03-01 16:53:59,330 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:53:59,330 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [22229141] [2022-03-01 16:53:59,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:53:59,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:53:59,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:53:59,979 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:53:59,979 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:53:59,979 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [22229141] [2022-03-01 16:53:59,979 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [22229141] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:53:59,979 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:53:59,979 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:53:59,980 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1238821022] [2022-03-01 16:53:59,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:53:59,980 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:53:59,980 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:53:59,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:53:59,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:53:59,980 INFO L87 Difference]: Start difference. First operand 1098 states and 1978 transitions. Second operand has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:54:00,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:54:00,611 INFO L93 Difference]: Finished difference Result 1279 states and 2251 transitions. [2022-03-01 16:54:00,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-01 16:54:00,612 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-03-01 16:54:00,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:54:00,613 INFO L225 Difference]: With dead ends: 1279 [2022-03-01 16:54:00,613 INFO L226 Difference]: Without dead ends: 1253 [2022-03-01 16:54:00,613 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 4 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=98, Invalid=208, Unknown=0, NotChecked=0, Total=306 [2022-03-01 16:54:00,613 INFO L933 BasicCegarLoop]: 165 mSDtfsCounter, 189 mSDsluCounter, 448 mSDsCounter, 0 mSdLazyCounter, 445 mSolverCounterSat, 90 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 189 SdHoareTripleChecker+Valid, 610 SdHoareTripleChecker+Invalid, 535 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 90 IncrementalHoareTripleChecker+Valid, 445 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:54:00,613 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [189 Valid, 610 Invalid, 535 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [90 Valid, 445 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-01 16:54:00,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1253 states. [2022-03-01 16:54:00,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1253 to 1099. [2022-03-01 16:54:00,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1099 states, 1092 states have (on average 1.8122710622710623) internal successors, (1979), 1098 states have internal predecessors, (1979), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:54:00,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1099 states to 1099 states and 1979 transitions. [2022-03-01 16:54:00,622 INFO L78 Accepts]: Start accepts. Automaton has 1099 states and 1979 transitions. Word has length 116 [2022-03-01 16:54:00,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:54:00,622 INFO L470 AbstractCegarLoop]: Abstraction has 1099 states and 1979 transitions. [2022-03-01 16:54:00,622 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:54:00,622 INFO L276 IsEmpty]: Start isEmpty. Operand 1099 states and 1979 transitions. [2022-03-01 16:54:00,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-03-01 16:54:00,623 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:54:00,623 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:54:00,623 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable227 [2022-03-01 16:54:00,623 INFO L402 AbstractCegarLoop]: === Iteration 229 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:54:00,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:54:00,623 INFO L85 PathProgramCache]: Analyzing trace with hash 612875233, now seen corresponding path program 21 times [2022-03-01 16:54:00,623 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:54:00,623 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [317590282] [2022-03-01 16:54:00,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:54:00,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:54:00,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:54:01,544 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:54:01,545 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:54:01,545 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [317590282] [2022-03-01 16:54:01,545 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [317590282] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:54:01,545 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:54:01,545 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-03-01 16:54:01,545 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634898660] [2022-03-01 16:54:01,545 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:54:01,545 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-03-01 16:54:01,545 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:54:01,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-03-01 16:54:01,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2022-03-01 16:54:01,545 INFO L87 Difference]: Start difference. First operand 1099 states and 1979 transitions. Second operand has 11 states, 10 states have (on average 7.1) internal successors, (71), 11 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:54:02,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:54:02,310 INFO L93 Difference]: Finished difference Result 1237 states and 2191 transitions. [2022-03-01 16:54:02,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-01 16:54:02,311 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 7.1) internal successors, (71), 11 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-03-01 16:54:02,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:54:02,312 INFO L225 Difference]: With dead ends: 1237 [2022-03-01 16:54:02,312 INFO L226 Difference]: Without dead ends: 1212 [2022-03-01 16:54:02,312 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=85, Invalid=187, Unknown=0, NotChecked=0, Total=272 [2022-03-01 16:54:02,312 INFO L933 BasicCegarLoop]: 153 mSDtfsCounter, 134 mSDsluCounter, 562 mSDsCounter, 0 mSdLazyCounter, 615 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 713 SdHoareTripleChecker+Invalid, 668 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 615 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:54:02,312 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [134 Valid, 713 Invalid, 668 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 615 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-01 16:54:02,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1212 states. [2022-03-01 16:54:02,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1212 to 1112. [2022-03-01 16:54:02,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1112 states, 1105 states have (on average 1.8099547511312217) internal successors, (2000), 1111 states have internal predecessors, (2000), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:54:02,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1112 states to 1112 states and 2000 transitions. [2022-03-01 16:54:02,320 INFO L78 Accepts]: Start accepts. Automaton has 1112 states and 2000 transitions. Word has length 116 [2022-03-01 16:54:02,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:54:02,320 INFO L470 AbstractCegarLoop]: Abstraction has 1112 states and 2000 transitions. [2022-03-01 16:54:02,321 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 7.1) internal successors, (71), 11 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:54:02,321 INFO L276 IsEmpty]: Start isEmpty. Operand 1112 states and 2000 transitions. [2022-03-01 16:54:02,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-03-01 16:54:02,321 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:54:02,321 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:54:02,321 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable228 [2022-03-01 16:54:02,322 INFO L402 AbstractCegarLoop]: === Iteration 230 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:54:02,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:54:02,322 INFO L85 PathProgramCache]: Analyzing trace with hash -1476171673, now seen corresponding path program 22 times [2022-03-01 16:54:02,322 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:54:02,322 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [974220100] [2022-03-01 16:54:02,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:54:02,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:54:02,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:54:02,851 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:54:02,851 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:54:02,851 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [974220100] [2022-03-01 16:54:02,852 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [974220100] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:54:02,852 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:54:02,852 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:54:02,852 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698419792] [2022-03-01 16:54:02,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:54:02,852 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:54:02,852 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:54:02,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:54:02,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:54:02,852 INFO L87 Difference]: Start difference. First operand 1112 states and 2000 transitions. Second operand has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:54:03,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:54:03,429 INFO L93 Difference]: Finished difference Result 1259 states and 2227 transitions. [2022-03-01 16:54:03,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-01 16:54:03,430 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-03-01 16:54:03,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:54:03,431 INFO L225 Difference]: With dead ends: 1259 [2022-03-01 16:54:03,431 INFO L226 Difference]: Without dead ends: 1202 [2022-03-01 16:54:03,431 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=79, Invalid=161, Unknown=0, NotChecked=0, Total=240 [2022-03-01 16:54:03,431 INFO L933 BasicCegarLoop]: 167 mSDtfsCounter, 159 mSDsluCounter, 554 mSDsCounter, 0 mSdLazyCounter, 539 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 718 SdHoareTripleChecker+Invalid, 598 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 539 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:54:03,432 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [159 Valid, 718 Invalid, 598 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 539 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-01 16:54:03,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1202 states. [2022-03-01 16:54:03,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1202 to 1097. [2022-03-01 16:54:03,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1097 states, 1090 states have (on average 1.8128440366972478) internal successors, (1976), 1096 states have internal predecessors, (1976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:54:03,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1097 states to 1097 states and 1976 transitions. [2022-03-01 16:54:03,440 INFO L78 Accepts]: Start accepts. Automaton has 1097 states and 1976 transitions. Word has length 116 [2022-03-01 16:54:03,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:54:03,440 INFO L470 AbstractCegarLoop]: Abstraction has 1097 states and 1976 transitions. [2022-03-01 16:54:03,440 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:54:03,440 INFO L276 IsEmpty]: Start isEmpty. Operand 1097 states and 1976 transitions. [2022-03-01 16:54:03,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-03-01 16:54:03,441 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:54:03,441 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:54:03,441 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable229 [2022-03-01 16:54:03,441 INFO L402 AbstractCegarLoop]: === Iteration 231 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:54:03,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:54:03,441 INFO L85 PathProgramCache]: Analyzing trace with hash 332467701, now seen corresponding path program 23 times [2022-03-01 16:54:03,441 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:54:03,441 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [213315691] [2022-03-01 16:54:03,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:54:03,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:54:03,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:54:03,986 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:54:03,986 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:54:03,986 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [213315691] [2022-03-01 16:54:03,986 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [213315691] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:54:03,986 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:54:03,986 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:54:03,986 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141463335] [2022-03-01 16:54:03,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:54:03,986 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:54:03,986 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:54:03,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:54:03,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:54:03,987 INFO L87 Difference]: Start difference. First operand 1097 states and 1976 transitions. Second operand has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:54:04,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:54:04,419 INFO L93 Difference]: Finished difference Result 1180 states and 2098 transitions. [2022-03-01 16:54:04,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-01 16:54:04,419 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-03-01 16:54:04,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:54:04,420 INFO L225 Difference]: With dead ends: 1180 [2022-03-01 16:54:04,420 INFO L226 Difference]: Without dead ends: 1143 [2022-03-01 16:54:04,420 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 4 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=50, Invalid=82, Unknown=0, NotChecked=0, Total=132 [2022-03-01 16:54:04,420 INFO L933 BasicCegarLoop]: 184 mSDtfsCounter, 226 mSDsluCounter, 466 mSDsCounter, 0 mSdLazyCounter, 482 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 226 SdHoareTripleChecker+Valid, 648 SdHoareTripleChecker+Invalid, 543 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 482 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:54:04,421 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [226 Valid, 648 Invalid, 543 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 482 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-01 16:54:04,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1143 states. [2022-03-01 16:54:04,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1143 to 1086. [2022-03-01 16:54:04,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1086 states, 1079 states have (on average 1.8109360518999074) internal successors, (1954), 1085 states have internal predecessors, (1954), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:54:04,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1086 states to 1086 states and 1954 transitions. [2022-03-01 16:54:04,428 INFO L78 Accepts]: Start accepts. Automaton has 1086 states and 1954 transitions. Word has length 116 [2022-03-01 16:54:04,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:54:04,429 INFO L470 AbstractCegarLoop]: Abstraction has 1086 states and 1954 transitions. [2022-03-01 16:54:04,429 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:54:04,429 INFO L276 IsEmpty]: Start isEmpty. Operand 1086 states and 1954 transitions. [2022-03-01 16:54:04,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-03-01 16:54:04,429 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:54:04,430 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:54:04,430 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable230 [2022-03-01 16:54:04,430 INFO L402 AbstractCegarLoop]: === Iteration 232 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:54:04,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:54:04,430 INFO L85 PathProgramCache]: Analyzing trace with hash 1527989333, now seen corresponding path program 24 times [2022-03-01 16:54:04,430 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:54:04,430 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [673681665] [2022-03-01 16:54:04,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:54:04,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:54:04,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:54:05,006 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:54:05,006 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:54:05,006 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [673681665] [2022-03-01 16:54:05,006 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [673681665] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:54:05,006 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:54:05,006 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:54:05,006 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [821335130] [2022-03-01 16:54:05,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:54:05,006 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:54:05,006 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:54:05,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:54:05,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:54:05,007 INFO L87 Difference]: Start difference. First operand 1086 states and 1954 transitions. Second operand has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:54:05,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:54:05,675 INFO L93 Difference]: Finished difference Result 1208 states and 2132 transitions. [2022-03-01 16:54:05,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-01 16:54:05,675 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-03-01 16:54:05,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:54:05,676 INFO L225 Difference]: With dead ends: 1208 [2022-03-01 16:54:05,676 INFO L226 Difference]: Without dead ends: 1182 [2022-03-01 16:54:05,676 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 4 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=80, Invalid=160, Unknown=0, NotChecked=0, Total=240 [2022-03-01 16:54:05,677 INFO L933 BasicCegarLoop]: 178 mSDtfsCounter, 194 mSDsluCounter, 607 mSDsCounter, 0 mSdLazyCounter, 642 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 783 SdHoareTripleChecker+Invalid, 705 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 642 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:54:05,677 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [194 Valid, 783 Invalid, 705 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 642 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-01 16:54:05,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1182 states. [2022-03-01 16:54:05,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1182 to 1086. [2022-03-01 16:54:05,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1086 states, 1079 states have (on average 1.8100092678405932) internal successors, (1953), 1085 states have internal predecessors, (1953), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:54:05,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1086 states to 1086 states and 1953 transitions. [2022-03-01 16:54:05,688 INFO L78 Accepts]: Start accepts. Automaton has 1086 states and 1953 transitions. Word has length 116 [2022-03-01 16:54:05,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:54:05,688 INFO L470 AbstractCegarLoop]: Abstraction has 1086 states and 1953 transitions. [2022-03-01 16:54:05,688 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:54:05,688 INFO L276 IsEmpty]: Start isEmpty. Operand 1086 states and 1953 transitions. [2022-03-01 16:54:05,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-03-01 16:54:05,689 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:54:05,689 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:54:05,689 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable231 [2022-03-01 16:54:05,689 INFO L402 AbstractCegarLoop]: === Iteration 233 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:54:05,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:54:05,690 INFO L85 PathProgramCache]: Analyzing trace with hash 1414378643, now seen corresponding path program 25 times [2022-03-01 16:54:05,690 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:54:05,690 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1420116750] [2022-03-01 16:54:05,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:54:05,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:54:05,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:54:06,558 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:54:06,558 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:54:06,558 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1420116750] [2022-03-01 16:54:06,558 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1420116750] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:54:06,559 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:54:06,559 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-03-01 16:54:06,559 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366838870] [2022-03-01 16:54:06,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:54:06,559 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-03-01 16:54:06,559 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:54:06,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-03-01 16:54:06,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2022-03-01 16:54:06,559 INFO L87 Difference]: Start difference. First operand 1086 states and 1953 transitions. Second operand has 11 states, 10 states have (on average 7.1) internal successors, (71), 11 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:54:07,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:54:07,179 INFO L93 Difference]: Finished difference Result 1206 states and 2134 transitions. [2022-03-01 16:54:07,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-01 16:54:07,180 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 7.1) internal successors, (71), 11 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-03-01 16:54:07,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:54:07,181 INFO L225 Difference]: With dead ends: 1206 [2022-03-01 16:54:07,181 INFO L226 Difference]: Without dead ends: 1181 [2022-03-01 16:54:07,181 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=78, Invalid=162, Unknown=0, NotChecked=0, Total=240 [2022-03-01 16:54:07,181 INFO L933 BasicCegarLoop]: 167 mSDtfsCounter, 143 mSDsluCounter, 531 mSDsCounter, 0 mSdLazyCounter, 536 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 696 SdHoareTripleChecker+Invalid, 583 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 536 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:54:07,182 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [143 Valid, 696 Invalid, 583 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 536 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-01 16:54:07,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1181 states. [2022-03-01 16:54:07,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1181 to 1106. [2022-03-01 16:54:07,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1106 states, 1099 states have (on average 1.8016378525932666) internal successors, (1980), 1105 states have internal predecessors, (1980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:54:07,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1106 states to 1106 states and 1980 transitions. [2022-03-01 16:54:07,192 INFO L78 Accepts]: Start accepts. Automaton has 1106 states and 1980 transitions. Word has length 116 [2022-03-01 16:54:07,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:54:07,193 INFO L470 AbstractCegarLoop]: Abstraction has 1106 states and 1980 transitions. [2022-03-01 16:54:07,193 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 7.1) internal successors, (71), 11 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:54:07,193 INFO L276 IsEmpty]: Start isEmpty. Operand 1106 states and 1980 transitions. [2022-03-01 16:54:07,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-03-01 16:54:07,194 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:54:07,194 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:54:07,194 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable232 [2022-03-01 16:54:07,194 INFO L402 AbstractCegarLoop]: === Iteration 234 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:54:07,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:54:07,195 INFO L85 PathProgramCache]: Analyzing trace with hash -674668263, now seen corresponding path program 26 times [2022-03-01 16:54:07,195 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:54:07,195 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1335612453] [2022-03-01 16:54:07,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:54:07,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:54:07,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:54:07,770 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:54:07,770 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:54:07,771 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1335612453] [2022-03-01 16:54:07,771 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1335612453] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:54:07,771 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:54:07,771 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:54:07,771 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [925358995] [2022-03-01 16:54:07,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:54:07,771 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:54:07,771 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:54:07,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:54:07,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:54:07,771 INFO L87 Difference]: Start difference. First operand 1106 states and 1980 transitions. Second operand has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:54:08,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:54:08,220 INFO L93 Difference]: Finished difference Result 1195 states and 2114 transitions. [2022-03-01 16:54:08,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-01 16:54:08,221 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-03-01 16:54:08,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:54:08,222 INFO L225 Difference]: With dead ends: 1195 [2022-03-01 16:54:08,222 INFO L226 Difference]: Without dead ends: 1006 [2022-03-01 16:54:08,223 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2022-03-01 16:54:08,223 INFO L933 BasicCegarLoop]: 180 mSDtfsCounter, 189 mSDsluCounter, 488 mSDsCounter, 0 mSdLazyCounter, 449 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 189 SdHoareTripleChecker+Valid, 665 SdHoareTripleChecker+Invalid, 508 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 449 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:54:08,223 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [189 Valid, 665 Invalid, 508 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 449 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-01 16:54:08,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1006 states. [2022-03-01 16:54:08,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1006 to 949. [2022-03-01 16:54:08,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 949 states, 942 states have (on average 1.7770700636942676) internal successors, (1674), 948 states have internal predecessors, (1674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:54:08,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 949 states to 949 states and 1674 transitions. [2022-03-01 16:54:08,230 INFO L78 Accepts]: Start accepts. Automaton has 949 states and 1674 transitions. Word has length 116 [2022-03-01 16:54:08,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:54:08,230 INFO L470 AbstractCegarLoop]: Abstraction has 949 states and 1674 transitions. [2022-03-01 16:54:08,230 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:54:08,230 INFO L276 IsEmpty]: Start isEmpty. Operand 949 states and 1674 transitions. [2022-03-01 16:54:08,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-03-01 16:54:08,231 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:54:08,231 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:54:08,231 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable233 [2022-03-01 16:54:08,231 INFO L402 AbstractCegarLoop]: === Iteration 235 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:54:08,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:54:08,231 INFO L85 PathProgramCache]: Analyzing trace with hash 15870440, now seen corresponding path program 6 times [2022-03-01 16:54:08,231 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:54:08,231 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1763699529] [2022-03-01 16:54:08,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:54:08,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:54:08,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:54:08,770 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:54:08,770 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:54:08,770 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1763699529] [2022-03-01 16:54:08,771 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1763699529] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:54:08,771 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:54:08,771 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:54:08,771 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1257854943] [2022-03-01 16:54:08,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:54:08,771 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:54:08,771 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:54:08,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:54:08,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:54:08,772 INFO L87 Difference]: Start difference. First operand 949 states and 1674 transitions. Second operand has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:54:09,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:54:09,228 INFO L93 Difference]: Finished difference Result 1023 states and 1778 transitions. [2022-03-01 16:54:09,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-01 16:54:09,228 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-03-01 16:54:09,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:54:09,229 INFO L225 Difference]: With dead ends: 1023 [2022-03-01 16:54:09,229 INFO L226 Difference]: Without dead ends: 995 [2022-03-01 16:54:09,229 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=54, Invalid=78, Unknown=0, NotChecked=0, Total=132 [2022-03-01 16:54:09,229 INFO L933 BasicCegarLoop]: 131 mSDtfsCounter, 232 mSDsluCounter, 403 mSDsCounter, 0 mSdLazyCounter, 481 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 232 SdHoareTripleChecker+Valid, 533 SdHoareTripleChecker+Invalid, 529 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 481 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:54:09,229 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [232 Valid, 533 Invalid, 529 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 481 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-01 16:54:09,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 995 states. [2022-03-01 16:54:09,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 995 to 867. [2022-03-01 16:54:09,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 867 states, 861 states have (on average 1.7572590011614402) internal successors, (1513), 866 states have internal predecessors, (1513), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:54:09,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 867 states to 867 states and 1513 transitions. [2022-03-01 16:54:09,236 INFO L78 Accepts]: Start accepts. Automaton has 867 states and 1513 transitions. Word has length 116 [2022-03-01 16:54:09,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:54:09,236 INFO L470 AbstractCegarLoop]: Abstraction has 867 states and 1513 transitions. [2022-03-01 16:54:09,236 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:54:09,236 INFO L276 IsEmpty]: Start isEmpty. Operand 867 states and 1513 transitions. [2022-03-01 16:54:09,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-03-01 16:54:09,237 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:54:09,237 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:54:09,237 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable234 [2022-03-01 16:54:09,237 INFO L402 AbstractCegarLoop]: === Iteration 236 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:54:09,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:54:09,237 INFO L85 PathProgramCache]: Analyzing trace with hash -750381012, now seen corresponding path program 5 times [2022-03-01 16:54:09,237 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:54:09,237 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801759526] [2022-03-01 16:54:09,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:54:09,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:54:09,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:54:09,508 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:54:09,508 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:54:09,508 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [801759526] [2022-03-01 16:54:09,508 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [801759526] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:54:09,509 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:54:09,509 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:54:09,509 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226485876] [2022-03-01 16:54:09,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:54:09,509 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:54:09,509 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:54:09,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:54:09,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:54:09,509 INFO L87 Difference]: Start difference. First operand 867 states and 1513 transitions. Second operand has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:54:09,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:54:09,860 INFO L93 Difference]: Finished difference Result 1259 states and 2166 transitions. [2022-03-01 16:54:09,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-01 16:54:09,861 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-03-01 16:54:09,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:54:09,862 INFO L225 Difference]: With dead ends: 1259 [2022-03-01 16:54:09,862 INFO L226 Difference]: Without dead ends: 1215 [2022-03-01 16:54:09,862 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=54, Invalid=78, Unknown=0, NotChecked=0, Total=132 [2022-03-01 16:54:09,862 INFO L933 BasicCegarLoop]: 140 mSDtfsCounter, 252 mSDsluCounter, 303 mSDsCounter, 0 mSdLazyCounter, 420 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 252 SdHoareTripleChecker+Valid, 443 SdHoareTripleChecker+Invalid, 460 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 420 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:54:09,862 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [252 Valid, 443 Invalid, 460 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 420 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-01 16:54:09,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1215 states. [2022-03-01 16:54:09,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1215 to 911. [2022-03-01 16:54:09,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 911 states, 905 states have (on average 1.7624309392265194) internal successors, (1595), 910 states have internal predecessors, (1595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:54:09,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 911 states to 911 states and 1595 transitions. [2022-03-01 16:54:09,870 INFO L78 Accepts]: Start accepts. Automaton has 911 states and 1595 transitions. Word has length 116 [2022-03-01 16:54:09,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:54:09,870 INFO L470 AbstractCegarLoop]: Abstraction has 911 states and 1595 transitions. [2022-03-01 16:54:09,870 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:54:09,870 INFO L276 IsEmpty]: Start isEmpty. Operand 911 states and 1595 transitions. [2022-03-01 16:54:09,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-03-01 16:54:09,870 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:54:09,870 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:54:09,871 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable235 [2022-03-01 16:54:09,871 INFO L402 AbstractCegarLoop]: === Iteration 237 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:54:09,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:54:09,871 INFO L85 PathProgramCache]: Analyzing trace with hash -1454600954, now seen corresponding path program 6 times [2022-03-01 16:54:09,871 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:54:09,871 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [936167502] [2022-03-01 16:54:09,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:54:09,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:54:09,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:54:10,243 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:54:10,243 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:54:10,243 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [936167502] [2022-03-01 16:54:10,243 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [936167502] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:54:10,243 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:54:10,243 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:54:10,243 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248775552] [2022-03-01 16:54:10,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:54:10,243 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:54:10,243 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:54:10,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:54:10,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:54:10,244 INFO L87 Difference]: Start difference. First operand 911 states and 1595 transitions. Second operand has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:54:10,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:54:10,621 INFO L93 Difference]: Finished difference Result 1170 states and 2007 transitions. [2022-03-01 16:54:10,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-01 16:54:10,621 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-03-01 16:54:10,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:54:10,622 INFO L225 Difference]: With dead ends: 1170 [2022-03-01 16:54:10,622 INFO L226 Difference]: Without dead ends: 1137 [2022-03-01 16:54:10,622 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=54, Invalid=78, Unknown=0, NotChecked=0, Total=132 [2022-03-01 16:54:10,623 INFO L933 BasicCegarLoop]: 131 mSDtfsCounter, 209 mSDsluCounter, 368 mSDsCounter, 0 mSdLazyCounter, 461 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 209 SdHoareTripleChecker+Valid, 499 SdHoareTripleChecker+Invalid, 502 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 461 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:54:10,623 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [209 Valid, 499 Invalid, 502 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 461 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-01 16:54:10,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1137 states. [2022-03-01 16:54:10,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1137 to 906. [2022-03-01 16:54:10,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 906 states, 900 states have (on average 1.76) internal successors, (1584), 905 states have internal predecessors, (1584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:54:10,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 906 states to 906 states and 1584 transitions. [2022-03-01 16:54:10,630 INFO L78 Accepts]: Start accepts. Automaton has 906 states and 1584 transitions. Word has length 116 [2022-03-01 16:54:10,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:54:10,630 INFO L470 AbstractCegarLoop]: Abstraction has 906 states and 1584 transitions. [2022-03-01 16:54:10,630 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:54:10,630 INFO L276 IsEmpty]: Start isEmpty. Operand 906 states and 1584 transitions. [2022-03-01 16:54:10,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-03-01 16:54:10,630 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:54:10,630 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:54:10,631 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable236 [2022-03-01 16:54:10,631 INFO L402 AbstractCegarLoop]: === Iteration 238 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:54:10,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:54:10,631 INFO L85 PathProgramCache]: Analyzing trace with hash 2062312812, now seen corresponding path program 7 times [2022-03-01 16:54:10,631 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:54:10,631 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [818927365] [2022-03-01 16:54:10,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:54:10,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:54:10,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:54:11,064 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:54:11,065 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:54:11,065 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [818927365] [2022-03-01 16:54:11,065 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [818927365] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:54:11,065 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:54:11,065 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:54:11,065 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [668371339] [2022-03-01 16:54:11,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:54:11,065 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:54:11,065 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:54:11,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:54:11,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:54:11,066 INFO L87 Difference]: Start difference. First operand 906 states and 1584 transitions. Second operand has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:54:11,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:54:11,440 INFO L93 Difference]: Finished difference Result 1054 states and 1792 transitions. [2022-03-01 16:54:11,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-01 16:54:11,440 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-03-01 16:54:11,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:54:11,441 INFO L225 Difference]: With dead ends: 1054 [2022-03-01 16:54:11,441 INFO L226 Difference]: Without dead ends: 1025 [2022-03-01 16:54:11,441 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=54, Invalid=78, Unknown=0, NotChecked=0, Total=132 [2022-03-01 16:54:11,441 INFO L933 BasicCegarLoop]: 122 mSDtfsCounter, 249 mSDsluCounter, 274 mSDsCounter, 0 mSdLazyCounter, 438 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 249 SdHoareTripleChecker+Valid, 396 SdHoareTripleChecker+Invalid, 484 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 438 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:54:11,442 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [249 Valid, 396 Invalid, 484 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 438 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-01 16:54:11,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1025 states. [2022-03-01 16:54:11,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1025 to 902. [2022-03-01 16:54:11,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 902 states, 896 states have (on average 1.7566964285714286) internal successors, (1574), 901 states have internal predecessors, (1574), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:54:11,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 902 states to 902 states and 1574 transitions. [2022-03-01 16:54:11,460 INFO L78 Accepts]: Start accepts. Automaton has 902 states and 1574 transitions. Word has length 116 [2022-03-01 16:54:11,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:54:11,460 INFO L470 AbstractCegarLoop]: Abstraction has 902 states and 1574 transitions. [2022-03-01 16:54:11,460 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:54:11,460 INFO L276 IsEmpty]: Start isEmpty. Operand 902 states and 1574 transitions. [2022-03-01 16:54:11,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-03-01 16:54:11,461 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:54:11,461 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:54:11,461 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable237 [2022-03-01 16:54:11,461 INFO L402 AbstractCegarLoop]: === Iteration 239 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:54:11,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:54:11,462 INFO L85 PathProgramCache]: Analyzing trace with hash -81825274, now seen corresponding path program 8 times [2022-03-01 16:54:11,462 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:54:11,462 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [799651393] [2022-03-01 16:54:11,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:54:11,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:54:11,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:54:11,980 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:54:11,980 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:54:11,980 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [799651393] [2022-03-01 16:54:11,981 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [799651393] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:54:11,981 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:54:11,981 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:54:11,981 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1927957031] [2022-03-01 16:54:11,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:54:11,981 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:54:11,981 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:54:11,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:54:11,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:54:11,981 INFO L87 Difference]: Start difference. First operand 902 states and 1574 transitions. Second operand has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:54:12,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:54:12,412 INFO L93 Difference]: Finished difference Result 974 states and 1659 transitions. [2022-03-01 16:54:12,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-01 16:54:12,413 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-03-01 16:54:12,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:54:12,414 INFO L225 Difference]: With dead ends: 974 [2022-03-01 16:54:12,414 INFO L226 Difference]: Without dead ends: 932 [2022-03-01 16:54:12,414 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=54, Invalid=78, Unknown=0, NotChecked=0, Total=132 [2022-03-01 16:54:12,414 INFO L933 BasicCegarLoop]: 113 mSDtfsCounter, 215 mSDsluCounter, 322 mSDsCounter, 0 mSdLazyCounter, 489 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 215 SdHoareTripleChecker+Valid, 435 SdHoareTripleChecker+Invalid, 532 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 489 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:54:12,414 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [215 Valid, 435 Invalid, 532 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 489 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-01 16:54:12,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 932 states. [2022-03-01 16:54:12,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 932 to 871. [2022-03-01 16:54:12,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 871 states, 865 states have (on average 1.7526011560693642) internal successors, (1516), 870 states have internal predecessors, (1516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:54:12,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 871 states to 871 states and 1516 transitions. [2022-03-01 16:54:12,420 INFO L78 Accepts]: Start accepts. Automaton has 871 states and 1516 transitions. Word has length 116 [2022-03-01 16:54:12,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:54:12,421 INFO L470 AbstractCegarLoop]: Abstraction has 871 states and 1516 transitions. [2022-03-01 16:54:12,421 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:54:12,421 INFO L276 IsEmpty]: Start isEmpty. Operand 871 states and 1516 transitions. [2022-03-01 16:54:12,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-03-01 16:54:12,421 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:54:12,421 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:54:12,421 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable238 [2022-03-01 16:54:12,421 INFO L402 AbstractCegarLoop]: === Iteration 240 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:54:12,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:54:12,422 INFO L85 PathProgramCache]: Analyzing trace with hash -1021691445, now seen corresponding path program 27 times [2022-03-01 16:54:12,422 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:54:12,422 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [774823795] [2022-03-01 16:54:12,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:54:12,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:54:12,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:54:12,755 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:54:12,755 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:54:12,755 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [774823795] [2022-03-01 16:54:12,755 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [774823795] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:54:12,755 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:54:12,755 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-03-01 16:54:12,755 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115913504] [2022-03-01 16:54:12,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:54:12,755 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-03-01 16:54:12,755 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:54:12,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-03-01 16:54:12,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2022-03-01 16:54:12,756 INFO L87 Difference]: Start difference. First operand 871 states and 1516 transitions. Second operand has 11 states, 10 states have (on average 7.1) internal successors, (71), 11 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:54:13,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:54:13,135 INFO L93 Difference]: Finished difference Result 1214 states and 2069 transitions. [2022-03-01 16:54:13,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-01 16:54:13,136 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 7.1) internal successors, (71), 11 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-03-01 16:54:13,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:54:13,137 INFO L225 Difference]: With dead ends: 1214 [2022-03-01 16:54:13,137 INFO L226 Difference]: Without dead ends: 1162 [2022-03-01 16:54:13,137 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2022-03-01 16:54:13,137 INFO L933 BasicCegarLoop]: 135 mSDtfsCounter, 270 mSDsluCounter, 371 mSDsCounter, 0 mSdLazyCounter, 604 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 270 SdHoareTripleChecker+Valid, 505 SdHoareTripleChecker+Invalid, 641 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 604 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:54:13,137 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [270 Valid, 505 Invalid, 641 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 604 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-01 16:54:13,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1162 states. [2022-03-01 16:54:13,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1162 to 874. [2022-03-01 16:54:13,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 874 states, 869 states have (on average 1.7422324510932106) internal successors, (1514), 873 states have internal predecessors, (1514), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:54:13,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 874 states to 874 states and 1514 transitions. [2022-03-01 16:54:13,144 INFO L78 Accepts]: Start accepts. Automaton has 874 states and 1514 transitions. Word has length 116 [2022-03-01 16:54:13,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:54:13,145 INFO L470 AbstractCegarLoop]: Abstraction has 874 states and 1514 transitions. [2022-03-01 16:54:13,145 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 7.1) internal successors, (71), 11 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:54:13,145 INFO L276 IsEmpty]: Start isEmpty. Operand 874 states and 1514 transitions. [2022-03-01 16:54:13,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-03-01 16:54:13,145 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:54:13,145 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:54:13,145 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable239 [2022-03-01 16:54:13,146 INFO L402 AbstractCegarLoop]: === Iteration 241 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:54:13,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:54:13,146 INFO L85 PathProgramCache]: Analyzing trace with hash 2022468937, now seen corresponding path program 28 times [2022-03-01 16:54:13,146 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:54:13,146 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1519762216] [2022-03-01 16:54:13,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:54:13,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:54:13,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:54:13,494 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:54:13,494 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:54:13,494 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1519762216] [2022-03-01 16:54:13,494 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1519762216] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:54:13,495 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:54:13,495 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:54:13,495 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1434300381] [2022-03-01 16:54:13,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:54:13,495 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:54:13,495 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:54:13,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:54:13,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:54:13,495 INFO L87 Difference]: Start difference. First operand 874 states and 1514 transitions. Second operand has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:54:13,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:54:13,769 INFO L93 Difference]: Finished difference Result 1106 states and 1868 transitions. [2022-03-01 16:54:13,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-01 16:54:13,770 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-03-01 16:54:13,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:54:13,771 INFO L225 Difference]: With dead ends: 1106 [2022-03-01 16:54:13,771 INFO L226 Difference]: Without dead ends: 1052 [2022-03-01 16:54:13,771 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:54:13,771 INFO L933 BasicCegarLoop]: 131 mSDtfsCounter, 223 mSDsluCounter, 260 mSDsCounter, 0 mSdLazyCounter, 402 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 223 SdHoareTripleChecker+Valid, 390 SdHoareTripleChecker+Invalid, 445 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 402 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:54:13,771 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [223 Valid, 390 Invalid, 445 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 402 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-01 16:54:13,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1052 states. [2022-03-01 16:54:13,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1052 to 858. [2022-03-01 16:54:13,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 858 states, 853 states have (on average 1.7373974208675265) internal successors, (1482), 857 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) [2022-03-01 16:54:13,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 858 states to 858 states and 1482 transitions. [2022-03-01 16:54:13,778 INFO L78 Accepts]: Start accepts. Automaton has 858 states and 1482 transitions. Word has length 116 [2022-03-01 16:54:13,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:54:13,778 INFO L470 AbstractCegarLoop]: Abstraction has 858 states and 1482 transitions. [2022-03-01 16:54:13,778 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:54:13,778 INFO L276 IsEmpty]: Start isEmpty. Operand 858 states and 1482 transitions. [2022-03-01 16:54:13,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-03-01 16:54:13,779 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:54:13,779 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:54:13,779 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable240 [2022-03-01 16:54:13,779 INFO L402 AbstractCegarLoop]: === Iteration 242 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:54:13,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:54:13,779 INFO L85 PathProgramCache]: Analyzing trace with hash 905058123, now seen corresponding path program 29 times [2022-03-01 16:54:13,779 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:54:13,779 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [52376443] [2022-03-01 16:54:13,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:54:13,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:54:13,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:54:14,229 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:54:14,229 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:54:14,229 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [52376443] [2022-03-01 16:54:14,229 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [52376443] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:54:14,229 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:54:14,229 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:54:14,229 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1048591547] [2022-03-01 16:54:14,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:54:14,230 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:54:14,230 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:54:14,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:54:14,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:54:14,230 INFO L87 Difference]: Start difference. First operand 858 states and 1482 transitions. Second operand has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:54:14,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:54:14,561 INFO L93 Difference]: Finished difference Result 992 states and 1665 transitions. [2022-03-01 16:54:14,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-01 16:54:14,561 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-03-01 16:54:14,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:54:14,562 INFO L225 Difference]: With dead ends: 992 [2022-03-01 16:54:14,562 INFO L226 Difference]: Without dead ends: 946 [2022-03-01 16:54:14,562 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2022-03-01 16:54:14,563 INFO L933 BasicCegarLoop]: 126 mSDtfsCounter, 210 mSDsluCounter, 275 mSDsCounter, 0 mSdLazyCounter, 435 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 210 SdHoareTripleChecker+Valid, 400 SdHoareTripleChecker+Invalid, 474 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 435 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:54:14,563 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [210 Valid, 400 Invalid, 474 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 435 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-01 16:54:14,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 946 states. [2022-03-01 16:54:14,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 946 to 795. [2022-03-01 16:54:14,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 795 states, 791 states have (on average 1.718078381795196) internal successors, (1359), 794 states have internal predecessors, (1359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:54:14,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 795 states to 795 states and 1359 transitions. [2022-03-01 16:54:14,569 INFO L78 Accepts]: Start accepts. Automaton has 795 states and 1359 transitions. Word has length 116 [2022-03-01 16:54:14,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:54:14,569 INFO L470 AbstractCegarLoop]: Abstraction has 795 states and 1359 transitions. [2022-03-01 16:54:14,569 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:54:14,569 INFO L276 IsEmpty]: Start isEmpty. Operand 795 states and 1359 transitions. [2022-03-01 16:54:14,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-03-01 16:54:14,570 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:54:14,570 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:54:14,570 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable241 [2022-03-01 16:54:14,570 INFO L402 AbstractCegarLoop]: === Iteration 243 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:54:14,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:54:14,570 INFO L85 PathProgramCache]: Analyzing trace with hash -220334135, now seen corresponding path program 30 times [2022-03-01 16:54:14,570 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:54:14,570 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [999512040] [2022-03-01 16:54:14,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:54:14,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:54:14,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:54:15,251 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:54:15,252 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:54:15,252 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [999512040] [2022-03-01 16:54:15,252 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [999512040] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:54:15,252 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:54:15,252 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-03-01 16:54:15,252 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684799335] [2022-03-01 16:54:15,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:54:15,252 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-03-01 16:54:15,252 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:54:15,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-03-01 16:54:15,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2022-03-01 16:54:15,252 INFO L87 Difference]: Start difference. First operand 795 states and 1359 transitions. Second operand has 11 states, 10 states have (on average 7.1) internal successors, (71), 11 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:54:16,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:54:16,024 INFO L93 Difference]: Finished difference Result 911 states and 1527 transitions. [2022-03-01 16:54:16,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-01 16:54:16,024 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 7.1) internal successors, (71), 11 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-03-01 16:54:16,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:54:16,025 INFO L225 Difference]: With dead ends: 911 [2022-03-01 16:54:16,025 INFO L226 Difference]: Without dead ends: 659 [2022-03-01 16:54:16,025 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=97, Invalid=175, Unknown=0, NotChecked=0, Total=272 [2022-03-01 16:54:16,025 INFO L933 BasicCegarLoop]: 115 mSDtfsCounter, 208 mSDsluCounter, 333 mSDsCounter, 0 mSdLazyCounter, 633 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 208 SdHoareTripleChecker+Valid, 447 SdHoareTripleChecker+Invalid, 690 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 633 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:54:16,025 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [208 Valid, 447 Invalid, 690 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 633 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-01 16:54:16,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 659 states. [2022-03-01 16:54:16,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 659 to 614. [2022-03-01 16:54:16,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 614 states, 610 states have (on average 1.5852459016393443) internal successors, (967), 613 states have internal predecessors, (967), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:54:16,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 614 states and 967 transitions. [2022-03-01 16:54:16,030 INFO L78 Accepts]: Start accepts. Automaton has 614 states and 967 transitions. Word has length 116 [2022-03-01 16:54:16,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:54:16,030 INFO L470 AbstractCegarLoop]: Abstraction has 614 states and 967 transitions. [2022-03-01 16:54:16,030 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 7.1) internal successors, (71), 11 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:54:16,030 INFO L276 IsEmpty]: Start isEmpty. Operand 614 states and 967 transitions. [2022-03-01 16:54:16,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-03-01 16:54:16,030 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:54:16,030 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:54:16,031 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable242 [2022-03-01 16:54:16,031 INFO L402 AbstractCegarLoop]: === Iteration 244 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:54:16,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:54:16,031 INFO L85 PathProgramCache]: Analyzing trace with hash 1669765944, now seen corresponding path program 1 times [2022-03-01 16:54:16,031 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:54:16,031 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1315092670] [2022-03-01 16:54:16,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:54:16,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:54:16,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:54:16,703 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:54:16,703 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:54:16,703 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1315092670] [2022-03-01 16:54:16,703 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1315092670] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:54:16,703 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:54:16,703 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:54:16,703 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769862828] [2022-03-01 16:54:16,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:54:16,703 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:54:16,703 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:54:16,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:54:16,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:54:16,704 INFO L87 Difference]: Start difference. First operand 614 states and 967 transitions. Second operand has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:54:17,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:54:17,184 INFO L93 Difference]: Finished difference Result 668 states and 1038 transitions. [2022-03-01 16:54:17,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-01 16:54:17,184 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-03-01 16:54:17,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:54:17,185 INFO L225 Difference]: With dead ends: 668 [2022-03-01 16:54:17,185 INFO L226 Difference]: Without dead ends: 616 [2022-03-01 16:54:17,185 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=84, Invalid=126, Unknown=0, NotChecked=0, Total=210 [2022-03-01 16:54:17,185 INFO L933 BasicCegarLoop]: 106 mSDtfsCounter, 204 mSDsluCounter, 265 mSDsCounter, 0 mSdLazyCounter, 261 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 204 SdHoareTripleChecker+Valid, 371 SdHoareTripleChecker+Invalid, 319 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 261 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-01 16:54:17,185 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [204 Valid, 371 Invalid, 319 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 261 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-01 16:54:17,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 616 states. [2022-03-01 16:54:17,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 616 to 588. [2022-03-01 16:54:17,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 588 states, 584 states have (on average 1.5667808219178083) internal successors, (915), 587 states have internal predecessors, (915), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:54:17,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 588 states and 915 transitions. [2022-03-01 16:54:17,189 INFO L78 Accepts]: Start accepts. Automaton has 588 states and 915 transitions. Word has length 116 [2022-03-01 16:54:17,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:54:17,190 INFO L470 AbstractCegarLoop]: Abstraction has 588 states and 915 transitions. [2022-03-01 16:54:17,190 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:54:17,190 INFO L276 IsEmpty]: Start isEmpty. Operand 588 states and 915 transitions. [2022-03-01 16:54:17,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-03-01 16:54:17,190 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:54:17,190 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:54:17,190 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable243 [2022-03-01 16:54:17,190 INFO L402 AbstractCegarLoop]: === Iteration 245 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:54:17,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:54:17,191 INFO L85 PathProgramCache]: Analyzing trace with hash -194600416, now seen corresponding path program 2 times [2022-03-01 16:54:17,191 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:54:17,191 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273085956] [2022-03-01 16:54:17,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:54:17,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:54:17,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:54:17,887 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:54:17,887 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:54:17,887 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [273085956] [2022-03-01 16:54:17,887 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [273085956] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:54:17,887 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:54:17,888 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:54:17,888 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1343665430] [2022-03-01 16:54:17,888 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:54:17,888 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:54:17,888 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:54:17,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:54:17,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:54:17,888 INFO L87 Difference]: Start difference. First operand 588 states and 915 transitions. Second operand has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:54:18,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:54:18,437 INFO L93 Difference]: Finished difference Result 604 states and 938 transitions. [2022-03-01 16:54:18,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-01 16:54:18,438 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-03-01 16:54:18,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:54:18,438 INFO L225 Difference]: With dead ends: 604 [2022-03-01 16:54:18,439 INFO L226 Difference]: Without dead ends: 578 [2022-03-01 16:54:18,439 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=94, Invalid=146, Unknown=0, NotChecked=0, Total=240 [2022-03-01 16:54:18,439 INFO L933 BasicCegarLoop]: 96 mSDtfsCounter, 150 mSDsluCounter, 335 mSDsCounter, 0 mSdLazyCounter, 298 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 431 SdHoareTripleChecker+Invalid, 344 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 298 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-01 16:54:18,439 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [150 Valid, 431 Invalid, 344 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 298 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-01 16:54:18,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 578 states. [2022-03-01 16:54:18,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 578 to 550. [2022-03-01 16:54:18,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 550 states, 547 states have (on average 1.583180987202925) internal successors, (866), 549 states have internal predecessors, (866), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:54:18,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 550 states and 866 transitions. [2022-03-01 16:54:18,443 INFO L78 Accepts]: Start accepts. Automaton has 550 states and 866 transitions. Word has length 116 [2022-03-01 16:54:18,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:54:18,443 INFO L470 AbstractCegarLoop]: Abstraction has 550 states and 866 transitions. [2022-03-01 16:54:18,443 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:54:18,443 INFO L276 IsEmpty]: Start isEmpty. Operand 550 states and 866 transitions. [2022-03-01 16:54:18,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-03-01 16:54:18,443 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:54:18,444 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:54:18,444 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable244 [2022-03-01 16:54:18,444 INFO L402 AbstractCegarLoop]: === Iteration 246 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:54:18,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:54:18,444 INFO L85 PathProgramCache]: Analyzing trace with hash 2083730738, now seen corresponding path program 9 times [2022-03-01 16:54:18,444 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:54:18,444 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1107999846] [2022-03-01 16:54:18,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:54:18,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:54:18,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:54:19,047 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:54:19,047 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:54:19,047 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1107999846] [2022-03-01 16:54:19,047 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1107999846] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:54:19,047 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:54:19,047 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:54:19,047 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [210059690] [2022-03-01 16:54:19,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:54:19,047 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:54:19,047 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:54:19,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:54:19,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:54:19,048 INFO L87 Difference]: Start difference. First operand 550 states and 866 transitions. Second operand has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:54:19,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:54:19,736 INFO L93 Difference]: Finished difference Result 588 states and 912 transitions. [2022-03-01 16:54:19,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-01 16:54:19,736 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-03-01 16:54:19,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:54:19,737 INFO L225 Difference]: With dead ends: 588 [2022-03-01 16:54:19,737 INFO L226 Difference]: Without dead ends: 559 [2022-03-01 16:54:19,737 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=94, Invalid=146, Unknown=0, NotChecked=0, Total=240 [2022-03-01 16:54:19,737 INFO L933 BasicCegarLoop]: 118 mSDtfsCounter, 181 mSDsluCounter, 431 mSDsCounter, 0 mSdLazyCounter, 501 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 181 SdHoareTripleChecker+Valid, 549 SdHoareTripleChecker+Invalid, 560 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 501 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:54:19,737 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [181 Valid, 549 Invalid, 560 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 501 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-01 16:54:19,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 559 states. [2022-03-01 16:54:19,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 559 to 547. [2022-03-01 16:54:19,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 547 states, 544 states have (on average 1.5808823529411764) internal successors, (860), 546 states have internal predecessors, (860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:54:19,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 547 states and 860 transitions. [2022-03-01 16:54:19,741 INFO L78 Accepts]: Start accepts. Automaton has 547 states and 860 transitions. Word has length 116 [2022-03-01 16:54:19,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:54:19,741 INFO L470 AbstractCegarLoop]: Abstraction has 547 states and 860 transitions. [2022-03-01 16:54:19,741 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:54:19,741 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 860 transitions. [2022-03-01 16:54:19,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-03-01 16:54:19,742 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:54:19,742 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:54:19,742 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable245 [2022-03-01 16:54:19,742 INFO L402 AbstractCegarLoop]: === Iteration 247 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:54:19,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:54:19,742 INFO L85 PathProgramCache]: Analyzing trace with hash -393448680, now seen corresponding path program 10 times [2022-03-01 16:54:19,742 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:54:19,742 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262827065] [2022-03-01 16:54:19,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:54:19,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:54:19,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:54:20,639 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:54:20,640 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:54:20,640 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [262827065] [2022-03-01 16:54:20,640 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [262827065] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:54:20,640 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:54:20,640 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-03-01 16:54:20,640 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180000851] [2022-03-01 16:54:20,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:54:20,640 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-03-01 16:54:20,640 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:54:20,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-03-01 16:54:20,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=251, Unknown=0, NotChecked=0, Total=306 [2022-03-01 16:54:20,641 INFO L87 Difference]: Start difference. First operand 547 states and 860 transitions. Second operand has 18 states, 17 states have (on average 4.176470588235294) internal successors, (71), 18 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:54:22,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:54:22,162 INFO L93 Difference]: Finished difference Result 611 states and 957 transitions. [2022-03-01 16:54:22,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-03-01 16:54:22,162 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 4.176470588235294) internal successors, (71), 18 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-03-01 16:54:22,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:54:22,163 INFO L225 Difference]: With dead ends: 611 [2022-03-01 16:54:22,163 INFO L226 Difference]: Without dead ends: 556 [2022-03-01 16:54:22,163 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 298 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=328, Invalid=1154, Unknown=0, NotChecked=0, Total=1482 [2022-03-01 16:54:22,164 INFO L933 BasicCegarLoop]: 112 mSDtfsCounter, 566 mSDsluCounter, 774 mSDsCounter, 0 mSdLazyCounter, 838 mSolverCounterSat, 97 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 566 SdHoareTripleChecker+Valid, 886 SdHoareTripleChecker+Invalid, 935 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 97 IncrementalHoareTripleChecker+Valid, 838 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-03-01 16:54:22,164 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [566 Valid, 886 Invalid, 935 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [97 Valid, 838 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-01 16:54:22,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 556 states. [2022-03-01 16:54:22,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 556 to 544. [2022-03-01 16:54:22,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 544 states, 541 states have (on average 1.578558225508318) internal successors, (854), 543 states have internal predecessors, (854), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:54:22,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 544 states and 854 transitions. [2022-03-01 16:54:22,169 INFO L78 Accepts]: Start accepts. Automaton has 544 states and 854 transitions. Word has length 116 [2022-03-01 16:54:22,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:54:22,169 INFO L470 AbstractCegarLoop]: Abstraction has 544 states and 854 transitions. [2022-03-01 16:54:22,169 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 4.176470588235294) internal successors, (71), 18 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:54:22,169 INFO L276 IsEmpty]: Start isEmpty. Operand 544 states and 854 transitions. [2022-03-01 16:54:22,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-03-01 16:54:22,170 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:54:22,170 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:54:22,170 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable246 [2022-03-01 16:54:22,170 INFO L402 AbstractCegarLoop]: === Iteration 248 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:54:22,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:54:22,170 INFO L85 PathProgramCache]: Analyzing trace with hash 1734341648, now seen corresponding path program 11 times [2022-03-01 16:54:22,171 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:54:22,171 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [799161997] [2022-03-01 16:54:22,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:54:22,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:54:22,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:54:22,738 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:54:22,738 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:54:22,738 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [799161997] [2022-03-01 16:54:22,738 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [799161997] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:54:22,738 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:54:22,738 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:54:22,739 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1012576031] [2022-03-01 16:54:22,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:54:22,739 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:54:22,739 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:54:22,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:54:22,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:54:22,739 INFO L87 Difference]: Start difference. First operand 544 states and 854 transitions. Second operand has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:54:23,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:54:23,260 INFO L93 Difference]: Finished difference Result 634 states and 1002 transitions. [2022-03-01 16:54:23,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-01 16:54:23,261 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-03-01 16:54:23,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:54:23,261 INFO L225 Difference]: With dead ends: 634 [2022-03-01 16:54:23,261 INFO L226 Difference]: Without dead ends: 553 [2022-03-01 16:54:23,262 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=74, Invalid=108, Unknown=0, NotChecked=0, Total=182 [2022-03-01 16:54:23,262 INFO L933 BasicCegarLoop]: 126 mSDtfsCounter, 177 mSDsluCounter, 387 mSDsCounter, 0 mSdLazyCounter, 433 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 177 SdHoareTripleChecker+Valid, 513 SdHoareTripleChecker+Invalid, 490 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 433 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:54:23,262 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [177 Valid, 513 Invalid, 490 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 433 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-01 16:54:23,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 553 states. [2022-03-01 16:54:23,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 553 to 541. [2022-03-01 16:54:23,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 541 states, 538 states have (on average 1.5762081784386617) internal successors, (848), 540 states have internal predecessors, (848), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:54:23,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 541 states and 848 transitions. [2022-03-01 16:54:23,266 INFO L78 Accepts]: Start accepts. Automaton has 541 states and 848 transitions. Word has length 116 [2022-03-01 16:54:23,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:54:23,266 INFO L470 AbstractCegarLoop]: Abstraction has 541 states and 848 transitions. [2022-03-01 16:54:23,266 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:54:23,266 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 848 transitions. [2022-03-01 16:54:23,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-03-01 16:54:23,266 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:54:23,266 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:54:23,266 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable247 [2022-03-01 16:54:23,267 INFO L402 AbstractCegarLoop]: === Iteration 249 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:54:23,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:54:23,267 INFO L85 PathProgramCache]: Analyzing trace with hash 1670894522, now seen corresponding path program 12 times [2022-03-01 16:54:23,267 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:54:23,267 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135846784] [2022-03-01 16:54:23,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:54:23,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:54:23,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:54:23,917 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:54:23,917 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:54:23,917 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1135846784] [2022-03-01 16:54:23,918 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1135846784] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:54:23,918 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:54:23,918 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:54:23,918 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36684753] [2022-03-01 16:54:23,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:54:23,918 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:54:23,918 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:54:23,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:54:23,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=53, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:54:23,918 INFO L87 Difference]: Start difference. First operand 541 states and 848 transitions. Second operand has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:54:24,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:54:24,330 INFO L93 Difference]: Finished difference Result 533 states and 830 transitions. [2022-03-01 16:54:24,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-01 16:54:24,330 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-03-01 16:54:24,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:54:24,330 INFO L225 Difference]: With dead ends: 533 [2022-03-01 16:54:24,331 INFO L226 Difference]: Without dead ends: 384 [2022-03-01 16:54:24,331 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=64, Invalid=92, Unknown=0, NotChecked=0, Total=156 [2022-03-01 16:54:24,331 INFO L933 BasicCegarLoop]: 124 mSDtfsCounter, 179 mSDsluCounter, 339 mSDsCounter, 0 mSdLazyCounter, 361 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 179 SdHoareTripleChecker+Valid, 463 SdHoareTripleChecker+Invalid, 421 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 361 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:54:24,331 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [179 Valid, 463 Invalid, 421 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 361 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-01 16:54:24,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 384 states. [2022-03-01 16:54:24,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 384 to 372. [2022-03-01 16:54:24,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 372 states, 370 states have (on average 1.5) internal successors, (555), 371 states have internal predecessors, (555), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:54:24,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 555 transitions. [2022-03-01 16:54:24,334 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 555 transitions. Word has length 116 [2022-03-01 16:54:24,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:54:24,334 INFO L470 AbstractCegarLoop]: Abstraction has 372 states and 555 transitions. [2022-03-01 16:54:24,334 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:54:24,334 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 555 transitions. [2022-03-01 16:54:24,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-03-01 16:54:24,334 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:54:24,334 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:54:24,334 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable248 [2022-03-01 16:54:24,334 INFO L402 AbstractCegarLoop]: === Iteration 250 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:54:24,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:54:24,335 INFO L85 PathProgramCache]: Analyzing trace with hash 1771492386, now seen corresponding path program 7 times [2022-03-01 16:54:24,335 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:54:24,335 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1317439747] [2022-03-01 16:54:24,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:54:24,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:54:24,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:54:25,535 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:54:25,535 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:54:25,535 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1317439747] [2022-03-01 16:54:25,535 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1317439747] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:54:25,535 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:54:25,535 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:54:25,536 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634351374] [2022-03-01 16:54:25,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:54:25,536 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:54:25,536 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:54:25,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:54:25,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:54:25,536 INFO L87 Difference]: Start difference. First operand 372 states and 555 transitions. Second operand has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:54:25,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:54:25,989 INFO L93 Difference]: Finished difference Result 364 states and 540 transitions. [2022-03-01 16:54:25,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-01 16:54:25,990 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-03-01 16:54:25,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:54:25,990 INFO L225 Difference]: With dead ends: 364 [2022-03-01 16:54:25,990 INFO L226 Difference]: Without dead ends: 339 [2022-03-01 16:54:25,990 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 8 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=94, Invalid=146, Unknown=0, NotChecked=0, Total=240 [2022-03-01 16:54:25,991 INFO L933 BasicCegarLoop]: 72 mSDtfsCounter, 124 mSDsluCounter, 229 mSDsCounter, 0 mSdLazyCounter, 217 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 300 SdHoareTripleChecker+Invalid, 267 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 217 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-01 16:54:25,991 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [124 Valid, 300 Invalid, 267 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 217 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-01 16:54:25,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2022-03-01 16:54:25,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 339. [2022-03-01 16:54:25,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 339 states, 338 states have (on average 1.5236686390532543) internal successors, (515), 338 states have internal predecessors, (515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:54:25,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 339 states and 515 transitions. [2022-03-01 16:54:25,994 INFO L78 Accepts]: Start accepts. Automaton has 339 states and 515 transitions. Word has length 116 [2022-03-01 16:54:25,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:54:25,994 INFO L470 AbstractCegarLoop]: Abstraction has 339 states and 515 transitions. [2022-03-01 16:54:25,994 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:54:25,994 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 515 transitions. [2022-03-01 16:54:25,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-03-01 16:54:25,995 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:54:25,995 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:54:25,995 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable249 [2022-03-01 16:54:25,995 INFO L402 AbstractCegarLoop]: === Iteration 251 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:54:25,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:54:25,995 INFO L85 PathProgramCache]: Analyzing trace with hash -1543685139, now seen corresponding path program 31 times [2022-03-01 16:54:25,996 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:54:25,996 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [965193371] [2022-03-01 16:54:25,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:54:25,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:54:26,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:54:26,329 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:54:26,330 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:54:26,330 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [965193371] [2022-03-01 16:54:26,330 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [965193371] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:54:26,330 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:54:26,330 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:54:26,330 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516728064] [2022-03-01 16:54:26,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:54:26,330 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:54:26,330 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:54:26,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:54:26,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:54:26,331 INFO L87 Difference]: Start difference. First operand 339 states and 515 transitions. Second operand has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:54:26,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:54:26,790 INFO L93 Difference]: Finished difference Result 515 states and 781 transitions. [2022-03-01 16:54:26,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-01 16:54:26,791 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-03-01 16:54:26,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:54:26,791 INFO L225 Difference]: With dead ends: 515 [2022-03-01 16:54:26,791 INFO L226 Difference]: Without dead ends: 479 [2022-03-01 16:54:26,791 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 4 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=142, Invalid=238, Unknown=0, NotChecked=0, Total=380 [2022-03-01 16:54:26,792 INFO L933 BasicCegarLoop]: 115 mSDtfsCounter, 199 mSDsluCounter, 313 mSDsCounter, 0 mSdLazyCounter, 282 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 199 SdHoareTripleChecker+Valid, 426 SdHoareTripleChecker+Invalid, 375 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 282 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-01 16:54:26,792 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [199 Valid, 426 Invalid, 375 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 282 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-01 16:54:26,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 479 states. [2022-03-01 16:54:26,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 479 to 351. [2022-03-01 16:54:26,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 351 states, 350 states have (on average 1.5285714285714285) internal successors, (535), 350 states have internal predecessors, (535), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:54:26,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 351 states and 535 transitions. [2022-03-01 16:54:26,795 INFO L78 Accepts]: Start accepts. Automaton has 351 states and 535 transitions. Word has length 116 [2022-03-01 16:54:26,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:54:26,795 INFO L470 AbstractCegarLoop]: Abstraction has 351 states and 535 transitions. [2022-03-01 16:54:26,795 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:54:26,795 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 535 transitions. [2022-03-01 16:54:26,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-03-01 16:54:26,795 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:54:26,795 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:54:26,795 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable250 [2022-03-01 16:54:26,795 INFO L402 AbstractCegarLoop]: === Iteration 252 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:54:26,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:54:26,796 INFO L85 PathProgramCache]: Analyzing trace with hash -16249973, now seen corresponding path program 32 times [2022-03-01 16:54:26,796 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:54:26,796 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787651430] [2022-03-01 16:54:26,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:54:26,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:54:26,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:54:27,276 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:54:27,277 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:54:27,277 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [787651430] [2022-03-01 16:54:27,277 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [787651430] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:54:27,277 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:54:27,277 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:54:27,277 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1240491408] [2022-03-01 16:54:27,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:54:27,277 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:54:27,277 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:54:27,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:54:27,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:54:27,278 INFO L87 Difference]: Start difference. First operand 351 states and 535 transitions. Second operand has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:54:27,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:54:27,490 INFO L93 Difference]: Finished difference Result 559 states and 849 transitions. [2022-03-01 16:54:27,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-01 16:54:27,490 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-03-01 16:54:27,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:54:27,491 INFO L225 Difference]: With dead ends: 559 [2022-03-01 16:54:27,491 INFO L226 Difference]: Without dead ends: 525 [2022-03-01 16:54:27,491 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:54:27,491 INFO L933 BasicCegarLoop]: 100 mSDtfsCounter, 156 mSDsluCounter, 232 mSDsCounter, 0 mSdLazyCounter, 263 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 331 SdHoareTripleChecker+Invalid, 317 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 263 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-01 16:54:27,491 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [156 Valid, 331 Invalid, 317 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 263 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-01 16:54:27,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 525 states. [2022-03-01 16:54:27,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 525 to 354. [2022-03-01 16:54:27,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 354 states, 353 states have (on average 1.5354107648725213) internal successors, (542), 353 states have internal predecessors, (542), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:54:27,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 542 transitions. [2022-03-01 16:54:27,494 INFO L78 Accepts]: Start accepts. Automaton has 354 states and 542 transitions. Word has length 116 [2022-03-01 16:54:27,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:54:27,494 INFO L470 AbstractCegarLoop]: Abstraction has 354 states and 542 transitions. [2022-03-01 16:54:27,494 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:54:27,495 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 542 transitions. [2022-03-01 16:54:27,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-03-01 16:54:27,495 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:54:27,495 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:54:27,495 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable251 [2022-03-01 16:54:27,495 INFO L402 AbstractCegarLoop]: === Iteration 253 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:54:27,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:54:27,495 INFO L85 PathProgramCache]: Analyzing trace with hash -609113179, now seen corresponding path program 33 times [2022-03-01 16:54:27,495 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:54:27,495 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177545252] [2022-03-01 16:54:27,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:54:27,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:54:27,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:54:28,084 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:54:28,084 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:54:28,084 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [177545252] [2022-03-01 16:54:28,084 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [177545252] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:54:28,084 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:54:28,084 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:54:28,084 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856823083] [2022-03-01 16:54:28,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:54:28,084 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:54:28,084 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:54:28,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:54:28,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=53, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:54:28,085 INFO L87 Difference]: Start difference. First operand 354 states and 542 transitions. Second operand has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:54:28,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:54:28,380 INFO L93 Difference]: Finished difference Result 487 states and 726 transitions. [2022-03-01 16:54:28,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-01 16:54:28,380 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-03-01 16:54:28,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:54:28,381 INFO L225 Difference]: With dead ends: 487 [2022-03-01 16:54:28,381 INFO L226 Difference]: Without dead ends: 461 [2022-03-01 16:54:28,381 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=55, Invalid=77, Unknown=0, NotChecked=0, Total=132 [2022-03-01 16:54:28,381 INFO L933 BasicCegarLoop]: 100 mSDtfsCounter, 188 mSDsluCounter, 197 mSDsCounter, 0 mSdLazyCounter, 264 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 188 SdHoareTripleChecker+Valid, 296 SdHoareTripleChecker+Invalid, 334 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 264 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-01 16:54:28,381 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [188 Valid, 296 Invalid, 334 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 264 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-01 16:54:28,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 461 states. [2022-03-01 16:54:28,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 461 to 314. [2022-03-01 16:54:28,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 314 states, 313 states have (on average 1.488817891373802) internal successors, (466), 313 states have internal predecessors, (466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:54:28,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 314 states and 466 transitions. [2022-03-01 16:54:28,384 INFO L78 Accepts]: Start accepts. Automaton has 314 states and 466 transitions. Word has length 116 [2022-03-01 16:54:28,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:54:28,384 INFO L470 AbstractCegarLoop]: Abstraction has 314 states and 466 transitions. [2022-03-01 16:54:28,384 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:54:28,384 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 466 transitions. [2022-03-01 16:54:28,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-03-01 16:54:28,384 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:54:28,384 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:54:28,384 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable252 [2022-03-01 16:54:28,384 INFO L402 AbstractCegarLoop]: === Iteration 254 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:54:28,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:54:28,385 INFO L85 PathProgramCache]: Analyzing trace with hash -66116567, now seen corresponding path program 34 times [2022-03-01 16:54:28,385 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:54:28,385 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884124401] [2022-03-01 16:54:28,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:54:28,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:54:28,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:54:29,040 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:54:29,040 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:54:29,040 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [884124401] [2022-03-01 16:54:29,040 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [884124401] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:54:29,041 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:54:29,041 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:54:29,041 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [475625862] [2022-03-01 16:54:29,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:54:29,041 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:54:29,041 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:54:29,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:54:29,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=53, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:54:29,041 INFO L87 Difference]: Start difference. First operand 314 states and 466 transitions. Second operand has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:54:29,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:54:29,314 INFO L93 Difference]: Finished difference Result 430 states and 634 transitions. [2022-03-01 16:54:29,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-01 16:54:29,314 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-03-01 16:54:29,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:54:29,315 INFO L225 Difference]: With dead ends: 430 [2022-03-01 16:54:29,315 INFO L226 Difference]: Without dead ends: 355 [2022-03-01 16:54:29,315 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=55, Invalid=77, Unknown=0, NotChecked=0, Total=132 [2022-03-01 16:54:29,315 INFO L933 BasicCegarLoop]: 95 mSDtfsCounter, 165 mSDsluCounter, 222 mSDsCounter, 0 mSdLazyCounter, 234 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 316 SdHoareTripleChecker+Invalid, 295 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 234 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-01 16:54:29,315 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [165 Valid, 316 Invalid, 295 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 234 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-01 16:54:29,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2022-03-01 16:54:29,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 314. [2022-03-01 16:54:29,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 314 states, 313 states have (on average 1.4856230031948883) internal successors, (465), 313 states have internal predecessors, (465), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:54:29,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 314 states and 465 transitions. [2022-03-01 16:54:29,318 INFO L78 Accepts]: Start accepts. Automaton has 314 states and 465 transitions. Word has length 116 [2022-03-01 16:54:29,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:54:29,318 INFO L470 AbstractCegarLoop]: Abstraction has 314 states and 465 transitions. [2022-03-01 16:54:29,318 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:54:29,318 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 465 transitions. [2022-03-01 16:54:29,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-03-01 16:54:29,318 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:54:29,318 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:54:29,318 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable253 [2022-03-01 16:54:29,318 INFO L402 AbstractCegarLoop]: === Iteration 255 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:54:29,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:54:29,319 INFO L85 PathProgramCache]: Analyzing trace with hash 1861073411, now seen corresponding path program 35 times [2022-03-01 16:54:29,319 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:54:29,319 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [525360198] [2022-03-01 16:54:29,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:54:29,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:54:29,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:54:30,060 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:54:30,060 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:54:30,060 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [525360198] [2022-03-01 16:54:30,060 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [525360198] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:54:30,060 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:54:30,060 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:54:30,060 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486767956] [2022-03-01 16:54:30,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:54:30,060 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:54:30,060 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:54:30,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:54:30,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:54:30,061 INFO L87 Difference]: Start difference. First operand 314 states and 465 transitions. Second operand has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:54:30,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:54:30,385 INFO L93 Difference]: Finished difference Result 405 states and 593 transitions. [2022-03-01 16:54:30,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-01 16:54:30,386 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-03-01 16:54:30,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:54:30,386 INFO L225 Difference]: With dead ends: 405 [2022-03-01 16:54:30,386 INFO L226 Difference]: Without dead ends: 330 [2022-03-01 16:54:30,386 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=63, Invalid=93, Unknown=0, NotChecked=0, Total=156 [2022-03-01 16:54:30,387 INFO L933 BasicCegarLoop]: 100 mSDtfsCounter, 171 mSDsluCounter, 221 mSDsCounter, 0 mSdLazyCounter, 233 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 320 SdHoareTripleChecker+Invalid, 298 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 233 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-01 16:54:30,387 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [171 Valid, 320 Invalid, 298 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 233 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-01 16:54:30,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2022-03-01 16:54:30,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 289. [2022-03-01 16:54:30,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 289 states, 288 states have (on average 1.4409722222222223) internal successors, (415), 288 states have internal predecessors, (415), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:54:30,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 415 transitions. [2022-03-01 16:54:30,389 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 415 transitions. Word has length 116 [2022-03-01 16:54:30,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:54:30,389 INFO L470 AbstractCegarLoop]: Abstraction has 289 states and 415 transitions. [2022-03-01 16:54:30,389 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:54:30,389 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 415 transitions. [2022-03-01 16:54:30,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-03-01 16:54:30,390 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:54:30,390 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:54:30,390 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable254 [2022-03-01 16:54:30,390 INFO L402 AbstractCegarLoop]: === Iteration 256 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:54:30,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:54:30,390 INFO L85 PathProgramCache]: Analyzing trace with hash 946234371, now seen corresponding path program 36 times [2022-03-01 16:54:30,390 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:54:30,390 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623142867] [2022-03-01 16:54:30,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:54:30,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:54:30,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:54:31,866 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:54:31,866 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:54:31,866 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [623142867] [2022-03-01 16:54:31,866 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [623142867] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:54:31,866 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:54:31,866 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-03-01 16:54:31,866 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [999524404] [2022-03-01 16:54:31,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:54:31,867 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-03-01 16:54:31,867 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:54:31,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-03-01 16:54:31,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2022-03-01 16:54:31,867 INFO L87 Difference]: Start difference. First operand 289 states and 415 transitions. Second operand has 11 states, 10 states have (on average 7.1) internal successors, (71), 11 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:54:32,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:54:32,414 INFO L93 Difference]: Finished difference Result 317 states and 442 transitions. [2022-03-01 16:54:32,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-01 16:54:32,415 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 7.1) internal successors, (71), 11 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-03-01 16:54:32,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:54:32,415 INFO L225 Difference]: With dead ends: 317 [2022-03-01 16:54:32,415 INFO L226 Difference]: Without dead ends: 291 [2022-03-01 16:54:32,416 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=83, Invalid=157, Unknown=0, NotChecked=0, Total=240 [2022-03-01 16:54:32,416 INFO L933 BasicCegarLoop]: 97 mSDtfsCounter, 52 mSDsluCounter, 346 mSDsCounter, 0 mSdLazyCounter, 367 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 442 SdHoareTripleChecker+Invalid, 390 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 367 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:54:32,416 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [52 Valid, 442 Invalid, 390 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 367 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-01 16:54:32,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2022-03-01 16:54:32,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 288. [2022-03-01 16:54:32,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 288 states, 287 states have (on average 1.4390243902439024) internal successors, (413), 287 states have internal predecessors, (413), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:54:32,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 413 transitions. [2022-03-01 16:54:32,419 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 413 transitions. Word has length 116 [2022-03-01 16:54:32,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:54:32,419 INFO L470 AbstractCegarLoop]: Abstraction has 288 states and 413 transitions. [2022-03-01 16:54:32,419 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 7.1) internal successors, (71), 11 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:54:32,419 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 413 transitions. [2022-03-01 16:54:32,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-03-01 16:54:32,420 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:54:32,420 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:54:32,420 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable255 [2022-03-01 16:54:32,420 INFO L402 AbstractCegarLoop]: === Iteration 257 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:54:32,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:54:32,421 INFO L85 PathProgramCache]: Analyzing trace with hash 832623681, now seen corresponding path program 37 times [2022-03-01 16:54:32,421 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:54:32,421 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2134624228] [2022-03-01 16:54:32,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:54:32,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:54:32,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:54:34,056 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:54:34,056 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:54:34,056 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2134624228] [2022-03-01 16:54:34,057 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2134624228] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:54:34,057 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:54:34,057 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-03-01 16:54:34,057 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772116788] [2022-03-01 16:54:34,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:54:34,057 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-03-01 16:54:34,057 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:54:34,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-03-01 16:54:34,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-03-01 16:54:34,057 INFO L87 Difference]: Start difference. First operand 288 states and 413 transitions. Second operand has 11 states, 10 states have (on average 7.1) internal successors, (71), 11 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:54:34,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:54:34,598 INFO L93 Difference]: Finished difference Result 313 states and 437 transitions. [2022-03-01 16:54:34,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-01 16:54:34,598 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 7.1) internal successors, (71), 11 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-03-01 16:54:34,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:54:34,599 INFO L225 Difference]: With dead ends: 313 [2022-03-01 16:54:34,599 INFO L226 Difference]: Without dead ends: 288 [2022-03-01 16:54:34,599 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=75, Invalid=135, Unknown=0, NotChecked=0, Total=210 [2022-03-01 16:54:34,599 INFO L933 BasicCegarLoop]: 97 mSDtfsCounter, 61 mSDsluCounter, 285 mSDsCounter, 0 mSdLazyCounter, 311 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 381 SdHoareTripleChecker+Invalid, 336 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 311 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-01 16:54:34,599 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [61 Valid, 381 Invalid, 336 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 311 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-01 16:54:34,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2022-03-01 16:54:34,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 288. [2022-03-01 16:54:34,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 288 states, 287 states have (on average 1.4285714285714286) internal successors, (410), 287 states have internal predecessors, (410), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:54:34,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 410 transitions. [2022-03-01 16:54:34,601 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 410 transitions. Word has length 116 [2022-03-01 16:54:34,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:54:34,601 INFO L470 AbstractCegarLoop]: Abstraction has 288 states and 410 transitions. [2022-03-01 16:54:34,602 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 7.1) internal successors, (71), 11 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:54:34,602 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 410 transitions. [2022-03-01 16:54:34,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-03-01 16:54:34,602 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:54:34,602 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:54:34,602 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable256 [2022-03-01 16:54:34,602 INFO L402 AbstractCegarLoop]: === Iteration 258 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:54:34,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:54:34,602 INFO L85 PathProgramCache]: Analyzing trace with hash -1256423225, now seen corresponding path program 38 times [2022-03-01 16:54:34,603 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:54:34,603 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [724245640] [2022-03-01 16:54:34,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:54:34,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:54:34,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:54:35,407 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:54:35,407 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:54:35,407 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [724245640] [2022-03-01 16:54:35,408 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [724245640] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:54:35,408 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:54:35,408 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 16:54:35,408 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [687065167] [2022-03-01 16:54:35,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:54:35,408 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:54:35,408 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:54:35,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:54:35,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:54:35,408 INFO L87 Difference]: Start difference. First operand 288 states and 410 transitions. Second operand has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:54:35,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:54:35,784 INFO L93 Difference]: Finished difference Result 310 states and 431 transitions. [2022-03-01 16:54:35,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-01 16:54:35,784 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-03-01 16:54:35,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:54:35,785 INFO L225 Difference]: With dead ends: 310 [2022-03-01 16:54:35,785 INFO L226 Difference]: Without dead ends: 222 [2022-03-01 16:54:35,785 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=71, Invalid=111, Unknown=0, NotChecked=0, Total=182 [2022-03-01 16:54:35,785 INFO L933 BasicCegarLoop]: 86 mSDtfsCounter, 109 mSDsluCounter, 264 mSDsCounter, 0 mSdLazyCounter, 258 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 349 SdHoareTripleChecker+Invalid, 290 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 258 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-01 16:54:35,785 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [109 Valid, 349 Invalid, 290 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 258 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-01 16:54:35,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2022-03-01 16:54:35,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 222. [2022-03-01 16:54:35,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 222 states, 221 states have (on average 1.3755656108597285) internal successors, (304), 221 states have internal predecessors, (304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:54:35,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 304 transitions. [2022-03-01 16:54:35,787 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 304 transitions. Word has length 116 [2022-03-01 16:54:35,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:54:35,787 INFO L470 AbstractCegarLoop]: Abstraction has 222 states and 304 transitions. [2022-03-01 16:54:35,787 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:54:35,787 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 304 transitions. [2022-03-01 16:54:35,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-03-01 16:54:35,788 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:54:35,788 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:54:35,788 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable257 [2022-03-01 16:54:35,788 INFO L402 AbstractCegarLoop]: === Iteration 259 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 16:54:35,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:54:35,788 INFO L85 PathProgramCache]: Analyzing trace with hash -242398841, now seen corresponding path program 39 times [2022-03-01 16:54:35,788 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:54:35,788 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [469604702] [2022-03-01 16:54:35,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:54:35,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:54:35,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:54:36,568 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 16:54:36,568 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:54:36,568 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [469604702] [2022-03-01 16:54:36,568 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [469604702] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:54:36,568 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:54:36,568 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-03-01 16:54:36,568 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1518392903] [2022-03-01 16:54:36,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:54:36,568 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-03-01 16:54:36,568 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:54:36,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-03-01 16:54:36,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2022-03-01 16:54:36,569 INFO L87 Difference]: Start difference. First operand 222 states and 304 transitions. Second operand has 12 states, 11 states have (on average 6.454545454545454) internal successors, (71), 12 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:54:37,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:54:37,049 INFO L93 Difference]: Finished difference Result 206 states and 273 transitions. [2022-03-01 16:54:37,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-01 16:54:37,049 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.454545454545454) internal successors, (71), 12 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-03-01 16:54:37,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:54:37,049 INFO L225 Difference]: With dead ends: 206 [2022-03-01 16:54:37,049 INFO L226 Difference]: Without dead ends: 0 [2022-03-01 16:54:37,049 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=135, Invalid=285, Unknown=0, NotChecked=0, Total=420 [2022-03-01 16:54:37,050 INFO L933 BasicCegarLoop]: 76 mSDtfsCounter, 114 mSDsluCounter, 273 mSDsCounter, 0 mSdLazyCounter, 286 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 347 SdHoareTripleChecker+Invalid, 365 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 286 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-01 16:54:37,050 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [114 Valid, 347 Invalid, 365 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 286 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-01 16:54:37,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-03-01 16:54:37,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-03-01 16:54:37,050 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) [2022-03-01 16:54:37,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-03-01 16:54:37,050 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 116 [2022-03-01 16:54:37,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:54:37,050 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-03-01 16:54:37,050 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.454545454545454) internal successors, (71), 12 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:54:37,050 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-03-01 16:54:37,050 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-03-01 16:54:37,053 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (6 of 7 remaining) [2022-03-01 16:54:37,053 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining) [2022-03-01 16:54:37,053 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (4 of 7 remaining) [2022-03-01 16:54:37,053 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 7 remaining) [2022-03-01 16:54:37,053 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining) [2022-03-01 16:54:37,053 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining) [2022-03-01 16:54:37,053 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining) [2022-03-01 16:54:37,054 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable258 [2022-03-01 16:54:37,056 INFO L732 BasicCegarLoop]: Path program histogram: [39, 36, 34, 28, 26, 20, 13, 13, 12, 8, 7, 6, 4, 2, 2, 2, 2, 2, 1, 1, 1] [2022-03-01 16:54:37,059 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-01 16:54:37,059 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-01 16:54:37,061 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.03 04:54:37 BasicIcfg [2022-03-01 16:54:37,061 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-01 16:54:37,061 INFO L158 Benchmark]: Toolchain (without parser) took 323142.45ms. Allocated memory was 177.2MB in the beginning and 550.5MB in the end (delta: 373.3MB). Free memory was 124.9MB in the beginning and 366.8MB in the end (delta: -241.9MB). Peak memory consumption was 132.8MB. Max. memory is 8.0GB. [2022-03-01 16:54:37,061 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 177.2MB. Free memory was 143.2MB in the beginning and 143.1MB in the end (delta: 74.0kB). There was no memory consumed. Max. memory is 8.0GB. [2022-03-01 16:54:37,061 INFO L158 Benchmark]: CACSL2BoogieTranslator took 524.12ms. Allocated memory was 177.2MB in the beginning and 212.9MB in the end (delta: 35.7MB). Free memory was 124.7MB in the beginning and 172.4MB in the end (delta: -47.7MB). Peak memory consumption was 13.7MB. Max. memory is 8.0GB. [2022-03-01 16:54:37,062 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.65ms. Allocated memory is still 212.9MB. Free memory was 172.4MB in the beginning and 169.3MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-03-01 16:54:37,062 INFO L158 Benchmark]: Boogie Preprocessor took 45.64ms. Allocated memory is still 212.9MB. Free memory was 169.3MB in the beginning and 167.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-01 16:54:37,062 INFO L158 Benchmark]: RCFGBuilder took 505.72ms. Allocated memory is still 212.9MB. Free memory was 167.7MB in the beginning and 152.5MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2022-03-01 16:54:37,062 INFO L158 Benchmark]: TraceAbstraction took 322005.92ms. Allocated memory was 212.9MB in the beginning and 550.5MB in the end (delta: 337.6MB). Free memory was 152.0MB in the beginning and 366.8MB in the end (delta: -214.8MB). Peak memory consumption was 123.9MB. Max. memory is 8.0GB. [2022-03-01 16:54:37,062 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 177.2MB. Free memory was 143.2MB in the beginning and 143.1MB in the end (delta: 74.0kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 524.12ms. Allocated memory was 177.2MB in the beginning and 212.9MB in the end (delta: 35.7MB). Free memory was 124.7MB in the beginning and 172.4MB in the end (delta: -47.7MB). Peak memory consumption was 13.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 55.65ms. Allocated memory is still 212.9MB. Free memory was 172.4MB in the beginning and 169.3MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 45.64ms. Allocated memory is still 212.9MB. Free memory was 169.3MB in the beginning and 167.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 505.72ms. Allocated memory is still 212.9MB. Free memory was 167.7MB in the beginning and 152.5MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * TraceAbstraction took 322005.92ms. Allocated memory was 212.9MB in the beginning and 550.5MB in the end (delta: 337.6MB). Free memory was 152.0MB in the beginning and 366.8MB in the end (delta: -214.8MB). Peak memory consumption was 123.9MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 944]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 944]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 932]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 932]: 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, 144 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 321.8s, OverallIterations: 259, TraceHistogramMax: 10, PathProgramHistogramMax: 39, EmptinessCheckTime: 0.3s, AutomataDifference: 160.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 65386 SdHoareTripleChecker+Valid, 100.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 65386 mSDsluCounter, 165352 SdHoareTripleChecker+Invalid, 85.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 128066 mSDsCounter, 14820 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 149195 IncrementalHoareTripleChecker+Invalid, 164015 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 14820 mSolverCounterUnsat, 37716 mSDtfsCounter, 149195 mSolverCounterSat, 0.5s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6132 GetRequests, 1214 SyntacticMatches, 471 SemanticMatches, 4447 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19038 ImplicationChecksByTransitivity, 101.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1788occurred in iteration=158, InterpolantAutomatonStates: 3443, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.5s AutomataMinimizationTime, 259 MinimizatonAttempts, 79778 StatesRemovedByMinimization, 251 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 2.8s SatisfiabilityAnalysisTime, 149.2s InterpolantComputationTime, 29497 NumberOfCodeBlocks, 29447 NumberOfCodeBlocksAsserted, 264 NumberOfCheckSat, 29416 ConstructedInterpolants, 0 QuantifiedInterpolants, 496978 SizeOfPredicates, 22 NumberOfNonLiveVariables, 686 ConjunctsInSsa, 62 ConjunctsInUnsatCore, 267 InterpolantComputations, 256 PerfectInterpolantSequences, 59350/59873 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 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-03-01 16:54:37,097 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...