/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_06-tricky_address1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-820ea7a [2022-02-18 15:35:30,709 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-18 15:35:30,711 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-18 15:35:30,735 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-02-18 15:35:30,754 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-18 15:35:30,755 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-18 15:35:30,755 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-18 15:35:30,756 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 [2022-02-18 15:35:30,770 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-18 15:35:30,770 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-18 15:35:30,770 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-18 15:35:30,770 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-18 15:35:30,774 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-18 15:35:30,775 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-18 15:35:30,776 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-18 15:35:30,776 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-18 15:35:30,776 INFO L138 SettingsManager]: * Use SBE=true [2022-02-18 15:35:30,776 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-18 15:35:30,776 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-18 15:35:30,777 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-18 15:35:30,777 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-18 15:35:30,777 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-18 15:35:30,777 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-18 15:35:30,777 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-18 15:35:30,777 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-18 15:35:30,777 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-18 15:35:30,777 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-18 15:35:30,777 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-18 15:35:30,777 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-18 15:35:30,777 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-18 15:35:30,778 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-18 15:35:30,778 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-18 15:35:30,778 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-18 15:35:30,778 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-18 15:35:30,778 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-18 15:35:30,778 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-18 15:35:30,778 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-18 15:35:30,778 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-18 15:35:30,778 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-18 15:35:30,779 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-18 15:35:30,779 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-18 15:35:30,779 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2022-02-18 15:35:30,954 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-18 15:35:30,973 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-18 15:35:30,975 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-18 15:35:30,976 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-18 15:35:30,976 INFO L275 PluginConnector]: CDTParser initialized [2022-02-18 15:35:30,977 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/06-symbeq_06-tricky_address1.i [2022-02-18 15:35:31,032 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/61a2159b1/50694b3edd764ee99e109d7f8d315732/FLAG64122c8ba [2022-02-18 15:35:31,484 INFO L306 CDTParser]: Found 1 translation units. [2022-02-18 15:35:31,484 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/06-symbeq_06-tricky_address1.i [2022-02-18 15:35:31,499 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/61a2159b1/50694b3edd764ee99e109d7f8d315732/FLAG64122c8ba [2022-02-18 15:35:31,821 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/61a2159b1/50694b3edd764ee99e109d7f8d315732 [2022-02-18 15:35:31,823 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-18 15:35:31,824 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-18 15:35:31,829 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-18 15:35:31,829 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-18 15:35:31,832 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-18 15:35:31,832 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.02 03:35:31" (1/1) ... [2022-02-18 15:35:31,833 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58b85ab8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 03:35:31, skipping insertion in model container [2022-02-18 15:35:31,833 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.02 03:35:31" (1/1) ... [2022-02-18 15:35:31,838 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-18 15:35:31,870 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-18 15:35:32,190 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-18 15:35:32,201 INFO L203 MainTranslator]: Completed pre-run [2022-02-18 15:35:32,243 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-18 15:35:32,279 INFO L208 MainTranslator]: Completed translation [2022-02-18 15:35:32,282 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 03:35:32 WrapperNode [2022-02-18 15:35:32,283 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-18 15:35:32,283 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-18 15:35:32,284 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-18 15:35:32,284 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-18 15:35:32,292 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 03:35:32" (1/1) ... [2022-02-18 15:35:32,315 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 03:35:32" (1/1) ... [2022-02-18 15:35:32,344 INFO L137 Inliner]: procedures = 264, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 88 [2022-02-18 15:35:32,344 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-18 15:35:32,345 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-18 15:35:32,345 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-18 15:35:32,345 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-18 15:35:32,352 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 03:35:32" (1/1) ... [2022-02-18 15:35:32,353 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 03:35:32" (1/1) ... [2022-02-18 15:35:32,355 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 03:35:32" (1/1) ... [2022-02-18 15:35:32,355 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 03:35:32" (1/1) ... [2022-02-18 15:35:32,361 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 03:35:32" (1/1) ... [2022-02-18 15:35:32,364 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 03:35:32" (1/1) ... [2022-02-18 15:35:32,365 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 03:35:32" (1/1) ... [2022-02-18 15:35:32,367 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-18 15:35:32,367 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-18 15:35:32,367 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-18 15:35:32,368 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-18 15:35:32,368 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 03:35:32" (1/1) ... [2022-02-18 15:35:32,373 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-18 15:35:32,380 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 15:35:32,391 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) [2022-02-18 15:35:32,393 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 [2022-02-18 15:35:32,414 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-18 15:35:32,415 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-18 15:35:32,415 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-18 15:35:32,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-18 15:35:32,415 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-02-18 15:35:32,415 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-18 15:35:32,415 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-02-18 15:35:32,415 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-02-18 15:35:32,415 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-18 15:35:32,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-18 15:35:32,416 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-18 15:35:32,495 INFO L234 CfgBuilder]: Building ICFG [2022-02-18 15:35:32,496 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-18 15:35:32,649 INFO L275 CfgBuilder]: Performing block encoding [2022-02-18 15:35:32,654 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-18 15:35:32,654 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-02-18 15:35:32,655 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.02 03:35:32 BoogieIcfgContainer [2022-02-18 15:35:32,656 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-18 15:35:32,657 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-18 15:35:32,657 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-18 15:35:32,659 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-18 15:35:32,659 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.02 03:35:31" (1/3) ... [2022-02-18 15:35:32,660 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21d333b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.02 03:35:32, skipping insertion in model container [2022-02-18 15:35:32,660 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 03:35:32" (2/3) ... [2022-02-18 15:35:32,660 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21d333b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.02 03:35:32, skipping insertion in model container [2022-02-18 15:35:32,660 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.02 03:35:32" (3/3) ... [2022-02-18 15:35:32,661 INFO L111 eAbstractionObserver]: Analyzing ICFG 06-symbeq_06-tricky_address1.i [2022-02-18 15:35:32,664 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-18 15:35:32,665 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-18 15:35:32,665 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-02-18 15:35:32,665 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-18 15:35:32,698 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:32,698 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:32,698 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:32,698 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:32,698 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:32,699 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:32,699 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:32,699 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:32,699 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:32,700 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:32,700 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:32,700 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:32,700 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:32,700 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:32,701 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:32,701 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:32,701 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:32,701 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:32,701 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:32,702 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:32,702 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:32,702 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:32,702 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:32,702 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:32,702 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:32,703 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:32,703 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:32,703 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:32,703 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:32,703 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:32,704 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:32,704 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:32,704 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:32,704 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:32,704 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:32,704 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:32,705 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:32,705 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:32,705 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:32,705 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:32,705 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:32,706 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:32,706 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:32,706 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:32,706 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:32,706 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:32,706 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:32,707 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:32,707 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:32,707 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:32,707 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:32,707 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:32,707 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:32,707 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:32,708 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:32,708 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:32,708 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:32,708 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:32,708 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:32,709 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:32,709 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:32,709 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:32,709 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:32,709 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:32,710 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:32,710 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:32,710 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:32,710 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:32,711 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:32,711 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:32,712 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:32,712 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:32,712 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:32,712 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:32,713 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:32,713 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:32,713 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:32,713 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:32,713 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:32,713 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:32,714 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:32,714 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:32,714 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:32,714 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:32,714 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:32,714 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:32,715 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:32,715 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:32,715 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:32,715 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:32,715 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:32,715 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:32,715 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:32,716 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:32,716 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:32,716 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:32,716 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:32,716 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:32,716 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:32,717 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:32,717 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:32,717 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:32,717 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:32,717 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:32,717 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:32,718 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:32,718 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:32,718 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:32,718 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:32,718 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:32,718 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:32,719 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:32,719 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:32,719 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:32,719 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:32,719 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:32,720 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:32,720 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:32,720 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:32,721 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:32,721 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:32,721 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:32,722 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:32,722 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:32,722 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:32,722 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:32,722 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:32,722 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:32,722 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:32,723 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:32,723 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:32,723 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:32,723 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:32,723 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:32,724 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:32,724 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:32,727 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:32,728 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:32,728 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:32,728 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:32,728 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:32,728 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:32,728 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:32,728 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:32,729 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:32,729 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:32,729 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:32,729 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:32,729 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:32,729 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:32,731 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-02-18 15:35:32,780 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-18 15:35:32,792 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 [2022-02-18 15:35:32,792 INFO L340 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2022-02-18 15:35:32,806 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 103 places, 103 transitions, 211 flow [2022-02-18 15:35:32,879 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 1102 states, 1094 states have (on average 1.9542961608775138) internal successors, (2138), 1101 states have internal predecessors, (2138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:32,882 INFO L276 IsEmpty]: Start isEmpty. Operand has 1102 states, 1094 states have (on average 1.9542961608775138) internal successors, (2138), 1101 states have internal predecessors, (2138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:32,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-02-18 15:35:32,888 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:35:32,888 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:35:32,889 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:35:32,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:35:32,892 INFO L85 PathProgramCache]: Analyzing trace with hash 1298122157, now seen corresponding path program 1 times [2022-02-18 15:35:32,898 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:35:32,898 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1437332323] [2022-02-18 15:35:32,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:35:32,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:35:32,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:35:33,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 15:35:33,017 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:35:33,017 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1437332323] [2022-02-18 15:35:33,017 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1437332323] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:35:33,018 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:35:33,018 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-18 15:35:33,019 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [165511300] [2022-02-18 15:35:33,019 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:35:33,023 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-02-18 15:35:33,023 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:35:33,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-02-18 15:35:33,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-18 15:35:33,050 INFO L87 Difference]: Start difference. First operand has 1102 states, 1094 states have (on average 1.9542961608775138) internal successors, (2138), 1101 states have internal predecessors, (2138), 0 states have call successors, (0), 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) [2022-02-18 15:35:33,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:35:33,099 INFO L93 Difference]: Finished difference Result 1102 states and 2105 transitions. [2022-02-18 15:35:33,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 15:35:33,101 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 [2022-02-18 15:35:33,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:35:33,122 INFO L225 Difference]: With dead ends: 1102 [2022-02-18 15:35:33,123 INFO L226 Difference]: Without dead ends: 1090 [2022-02-18 15:35:33,124 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 [2022-02-18 15:35:33,126 INFO L933 BasicCegarLoop]: 98 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, 98 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 [2022-02-18 15:35:33,126 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 98 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-18 15:35:33,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1090 states. [2022-02-18 15:35:33,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1090 to 1090. [2022-02-18 15:35:33,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1090 states, 1080 states have (on average 1.9277777777777778) internal successors, (2082), 1089 states have internal predecessors, (2082), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:33,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1090 states to 1090 states and 2082 transitions. [2022-02-18 15:35:33,190 INFO L78 Accepts]: Start accepts. Automaton has 1090 states and 2082 transitions. Word has length 37 [2022-02-18 15:35:33,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:35:33,190 INFO L470 AbstractCegarLoop]: Abstraction has 1090 states and 2082 transitions. [2022-02-18 15:35:33,191 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) [2022-02-18 15:35:33,191 INFO L276 IsEmpty]: Start isEmpty. Operand 1090 states and 2082 transitions. [2022-02-18 15:35:33,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-02-18 15:35:33,192 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:35:33,192 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:35:33,192 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-18 15:35:33,192 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:35:33,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:35:33,193 INFO L85 PathProgramCache]: Analyzing trace with hash -779087186, now seen corresponding path program 1 times [2022-02-18 15:35:33,193 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:35:33,193 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1728790019] [2022-02-18 15:35:33,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:35:33,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:35:33,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:35:33,283 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 15:35:33,283 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:35:33,283 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1728790019] [2022-02-18 15:35:33,283 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1728790019] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:35:33,283 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:35:33,283 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-18 15:35:33,283 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154419923] [2022-02-18 15:35:33,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:35:33,284 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-18 15:35:33,284 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:35:33,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-18 15:35:33,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-18 15:35:33,285 INFO L87 Difference]: Start difference. First operand 1090 states and 2082 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) [2022-02-18 15:35:33,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:35:33,317 INFO L93 Difference]: Finished difference Result 1094 states and 2086 transitions. [2022-02-18 15:35:33,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 15:35:33,318 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 [2022-02-18 15:35:33,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:35:33,322 INFO L225 Difference]: With dead ends: 1094 [2022-02-18 15:35:33,322 INFO L226 Difference]: Without dead ends: 1094 [2022-02-18 15:35:33,322 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 [2022-02-18 15:35:33,323 INFO L933 BasicCegarLoop]: 94 mSDtfsCounter, 3 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 184 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 [2022-02-18 15:35:33,324 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3 Valid, 184 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-18 15:35:33,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1094 states. [2022-02-18 15:35:33,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1094 to 1091. [2022-02-18 15:35:33,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1091 states, 1081 states have (on average 1.9269195189639223) internal successors, (2083), 1090 states have internal predecessors, (2083), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:33,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1091 states to 1091 states and 2083 transitions. [2022-02-18 15:35:33,354 INFO L78 Accepts]: Start accepts. Automaton has 1091 states and 2083 transitions. Word has length 37 [2022-02-18 15:35:33,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:35:33,355 INFO L470 AbstractCegarLoop]: Abstraction has 1091 states and 2083 transitions. [2022-02-18 15:35:33,355 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) [2022-02-18 15:35:33,355 INFO L276 IsEmpty]: Start isEmpty. Operand 1091 states and 2083 transitions. [2022-02-18 15:35:33,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-02-18 15:35:33,361 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:35:33,361 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:35:33,361 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-18 15:35:33,361 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:35:33,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:35:33,362 INFO L85 PathProgramCache]: Analyzing trace with hash 624473633, now seen corresponding path program 1 times [2022-02-18 15:35:33,362 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:35:33,363 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [30662533] [2022-02-18 15:35:33,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:35:33,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:35:33,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:35:33,454 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 15:35:33,454 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:35:33,454 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [30662533] [2022-02-18 15:35:33,455 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [30662533] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 15:35:33,455 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [476263197] [2022-02-18 15:35:33,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:35:33,455 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 15:35:33,455 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 15:35:33,457 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) [2022-02-18 15:35:33,457 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-02-18 15:35:33,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:35:33,521 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 4 conjunts are in the unsatisfiable core [2022-02-18 15:35:33,526 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 15:35:33,663 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 15:35:33,663 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-18 15:35:33,767 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 15:35:33,767 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [476263197] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-18 15:35:33,767 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-18 15:35:33,768 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-02-18 15:35:33,768 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054399837] [2022-02-18 15:35:33,768 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-18 15:35:33,769 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:35:33,769 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:35:33,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:35:33,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:35:33,770 INFO L87 Difference]: Start difference. First operand 1091 states and 2083 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) [2022-02-18 15:35:33,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:35:33,848 INFO L93 Difference]: Finished difference Result 1101 states and 2093 transitions. [2022-02-18 15:35:33,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-18 15:35:33,849 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 [2022-02-18 15:35:33,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:35:33,852 INFO L225 Difference]: With dead ends: 1101 [2022-02-18 15:35:33,852 INFO L226 Difference]: Without dead ends: 1101 [2022-02-18 15:35:33,853 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 [2022-02-18 15:35:33,856 INFO L933 BasicCegarLoop]: 93 mSDtfsCounter, 10 mSDsluCounter, 459 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 547 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-18 15:35:33,857 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10 Valid, 547 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-18 15:35:33,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1101 states. [2022-02-18 15:35:33,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1101 to 1101. [2022-02-18 15:35:33,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1101 states, 1091 states have (on average 1.9184234647112741) internal successors, (2093), 1100 states have internal predecessors, (2093), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:33,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1101 states to 1101 states and 2093 transitions. [2022-02-18 15:35:33,877 INFO L78 Accepts]: Start accepts. Automaton has 1101 states and 2093 transitions. Word has length 42 [2022-02-18 15:35:33,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:35:33,877 INFO L470 AbstractCegarLoop]: Abstraction has 1101 states and 2093 transitions. [2022-02-18 15:35:33,878 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) [2022-02-18 15:35:33,878 INFO L276 IsEmpty]: Start isEmpty. Operand 1101 states and 2093 transitions. [2022-02-18 15:35:33,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-02-18 15:35:33,879 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:35:33,879 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] [2022-02-18 15:35:33,899 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-02-18 15:35:34,099 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 [2022-02-18 15:35:34,099 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:35:34,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:35:34,100 INFO L85 PathProgramCache]: Analyzing trace with hash 653292097, now seen corresponding path program 2 times [2022-02-18 15:35:34,100 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:35:34,100 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465943439] [2022-02-18 15:35:34,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:35:34,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:35:34,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:35:34,207 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 15:35:34,207 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:35:34,207 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [465943439] [2022-02-18 15:35:34,207 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [465943439] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 15:35:34,207 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [896814645] [2022-02-18 15:35:34,207 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-18 15:35:34,207 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 15:35:34,208 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 15:35:34,209 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) [2022-02-18 15:35:34,210 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-02-18 15:35:34,272 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-02-18 15:35:34,272 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-18 15:35:34,273 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 17 conjunts are in the unsatisfiable core [2022-02-18 15:35:34,276 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 15:35:34,366 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 [2022-02-18 15:35:34,389 INFO L353 Elim1Store]: treesize reduction 39, result has 22.0 percent of original size [2022-02-18 15:35:34,390 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 [2022-02-18 15:35:34,423 INFO L353 Elim1Store]: treesize reduction 96, result has 20.0 percent of original size [2022-02-18 15:35:34,424 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 [2022-02-18 15:35:34,480 INFO L353 Elim1Store]: treesize reduction 172, result has 17.3 percent of original size [2022-02-18 15:35:34,481 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 [2022-02-18 15:35:34,504 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-02-18 15:35:34,505 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-18 15:35:34,505 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [896814645] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:35:34,506 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-18 15:35:34,506 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 13 [2022-02-18 15:35:34,506 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059911681] [2022-02-18 15:35:34,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:35:34,506 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-18 15:35:34,506 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:35:34,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-18 15:35:34,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2022-02-18 15:35:34,507 INFO L87 Difference]: Start difference. First operand 1101 states and 2093 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) [2022-02-18 15:35:34,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:35:34,689 INFO L93 Difference]: Finished difference Result 1172 states and 2227 transitions. [2022-02-18 15:35:34,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-18 15:35:34,691 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 [2022-02-18 15:35:34,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:35:34,696 INFO L225 Difference]: With dead ends: 1172 [2022-02-18 15:35:34,699 INFO L226 Difference]: Without dead ends: 1172 [2022-02-18 15:35:34,700 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 [2022-02-18 15:35:34,700 INFO L933 BasicCegarLoop]: 183 mSDtfsCounter, 124 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 189 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 376 SdHoareTripleChecker+Invalid, 212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 189 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-18 15:35:34,701 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [124 Valid, 376 Invalid, 212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 189 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-18 15:35:34,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1172 states. [2022-02-18 15:35:34,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1172 to 1124. [2022-02-18 15:35:34,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1124 states, 1116 states have (on average 1.9130824372759856) internal successors, (2135), 1123 states have internal predecessors, (2135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:34,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1124 states to 1124 states and 2135 transitions. [2022-02-18 15:35:34,745 INFO L78 Accepts]: Start accepts. Automaton has 1124 states and 2135 transitions. Word has length 52 [2022-02-18 15:35:34,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:35:34,746 INFO L470 AbstractCegarLoop]: Abstraction has 1124 states and 2135 transitions. [2022-02-18 15:35:34,746 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) [2022-02-18 15:35:34,746 INFO L276 IsEmpty]: Start isEmpty. Operand 1124 states and 2135 transitions. [2022-02-18 15:35:34,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-02-18 15:35:34,747 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:35:34,747 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] [2022-02-18 15:35:34,796 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-02-18 15:35:34,961 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 [2022-02-18 15:35:34,961 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:35:34,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:35:34,962 INFO L85 PathProgramCache]: Analyzing trace with hash -406389930, now seen corresponding path program 1 times [2022-02-18 15:35:34,962 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:35:34,962 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1605404029] [2022-02-18 15:35:34,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:35:34,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:35:34,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:35:35,045 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 15:35:35,045 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:35:35,045 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1605404029] [2022-02-18 15:35:35,045 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1605404029] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 15:35:35,045 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1223491482] [2022-02-18 15:35:35,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:35:35,045 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 15:35:35,045 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 15:35:35,046 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) [2022-02-18 15:35:35,084 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-02-18 15:35:35,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:35:35,122 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 8 conjunts are in the unsatisfiable core [2022-02-18 15:35:35,123 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 15:35:35,216 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 15:35:35,216 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-18 15:35:35,338 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 15:35:35,339 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1223491482] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-18 15:35:35,340 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-18 15:35:35,340 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2022-02-18 15:35:35,340 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634739600] [2022-02-18 15:35:35,340 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-18 15:35:35,341 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-02-18 15:35:35,341 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:35:35,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-02-18 15:35:35,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2022-02-18 15:35:35,342 INFO L87 Difference]: Start difference. First operand 1124 states and 2135 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) [2022-02-18 15:35:35,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:35:35,466 INFO L93 Difference]: Finished difference Result 1144 states and 2155 transitions. [2022-02-18 15:35:35,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-18 15:35:35,467 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 [2022-02-18 15:35:35,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:35:35,472 INFO L225 Difference]: With dead ends: 1144 [2022-02-18 15:35:35,472 INFO L226 Difference]: Without dead ends: 1144 [2022-02-18 15:35:35,472 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 171 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=280, Invalid=590, Unknown=0, NotChecked=0, Total=870 [2022-02-18 15:35:35,474 INFO L933 BasicCegarLoop]: 93 mSDtfsCounter, 34 mSDsluCounter, 740 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 825 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-18 15:35:35,476 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [34 Valid, 825 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-18 15:35:35,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1144 states. [2022-02-18 15:35:35,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1144 to 1144. [2022-02-18 15:35:35,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1144 states, 1136 states have (on average 1.8970070422535212) internal successors, (2155), 1143 states have internal predecessors, (2155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:35,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1144 states to 1144 states and 2155 transitions. [2022-02-18 15:35:35,495 INFO L78 Accepts]: Start accepts. Automaton has 1144 states and 2155 transitions. Word has length 60 [2022-02-18 15:35:35,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:35:35,495 INFO L470 AbstractCegarLoop]: Abstraction has 1144 states and 2155 transitions. [2022-02-18 15:35:35,495 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) [2022-02-18 15:35:35,495 INFO L276 IsEmpty]: Start isEmpty. Operand 1144 states and 2155 transitions. [2022-02-18 15:35:35,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-02-18 15:35:35,497 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:35:35,497 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] [2022-02-18 15:35:35,514 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-02-18 15:35:35,714 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 [2022-02-18 15:35:35,714 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:35:35,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:35:35,715 INFO L85 PathProgramCache]: Analyzing trace with hash 232143766, now seen corresponding path program 2 times [2022-02-18 15:35:35,715 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:35:35,715 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [183101818] [2022-02-18 15:35:35,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:35:35,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:35:35,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:35:35,868 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 15:35:35,868 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:35:35,868 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [183101818] [2022-02-18 15:35:35,869 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [183101818] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 15:35:35,869 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1252042266] [2022-02-18 15:35:35,869 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-18 15:35:35,869 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 15:35:35,870 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 15:35:35,870 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) [2022-02-18 15:35:35,871 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-02-18 15:35:35,937 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-02-18 15:35:35,937 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-18 15:35:35,938 INFO L263 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 17 conjunts are in the unsatisfiable core [2022-02-18 15:35:35,944 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 15:35:36,022 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 [2022-02-18 15:35:36,046 INFO L353 Elim1Store]: treesize reduction 39, result has 22.0 percent of original size [2022-02-18 15:35:36,047 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 [2022-02-18 15:35:36,086 INFO L353 Elim1Store]: treesize reduction 96, result has 20.0 percent of original size [2022-02-18 15:35:36,086 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 [2022-02-18 15:35:36,132 INFO L353 Elim1Store]: treesize reduction 172, result has 17.3 percent of original size [2022-02-18 15:35:36,133 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 [2022-02-18 15:35:36,153 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2022-02-18 15:35:36,154 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-18 15:35:36,154 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1252042266] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:35:36,154 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-18 15:35:36,154 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [17] total 21 [2022-02-18 15:35:36,154 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1172064587] [2022-02-18 15:35:36,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:35:36,154 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-18 15:35:36,154 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:35:36,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-18 15:35:36,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=326, Unknown=0, NotChecked=0, Total=420 [2022-02-18 15:35:36,155 INFO L87 Difference]: Start difference. First operand 1144 states and 2155 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) [2022-02-18 15:35:36,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:35:36,294 INFO L93 Difference]: Finished difference Result 1254 states and 2361 transitions. [2022-02-18 15:35:36,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-18 15:35:36,294 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 [2022-02-18 15:35:36,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:35:36,297 INFO L225 Difference]: With dead ends: 1254 [2022-02-18 15:35:36,297 INFO L226 Difference]: Without dead ends: 1110 [2022-02-18 15:35:36,298 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 [2022-02-18 15:35:36,298 INFO L933 BasicCegarLoop]: 185 mSDtfsCounter, 118 mSDsluCounter, 214 mSDsCounter, 0 mSdLazyCounter, 217 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 397 SdHoareTripleChecker+Invalid, 223 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 217 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-18 15:35:36,298 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [118 Valid, 397 Invalid, 223 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 217 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-18 15:35:36,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1110 states. [2022-02-18 15:35:36,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1110 to 1068. [2022-02-18 15:35:36,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1068 states, 1061 states have (on average 1.878416588124411) internal successors, (1993), 1067 states have internal predecessors, (1993), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:36,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1068 states to 1068 states and 1993 transitions. [2022-02-18 15:35:36,336 INFO L78 Accepts]: Start accepts. Automaton has 1068 states and 1993 transitions. Word has length 80 [2022-02-18 15:35:36,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:35:36,336 INFO L470 AbstractCegarLoop]: Abstraction has 1068 states and 1993 transitions. [2022-02-18 15:35:36,336 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) [2022-02-18 15:35:36,336 INFO L276 IsEmpty]: Start isEmpty. Operand 1068 states and 1993 transitions. [2022-02-18 15:35:36,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-02-18 15:35:36,337 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:35:36,337 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] [2022-02-18 15:35:36,373 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-02-18 15:35:36,554 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 [2022-02-18 15:35:36,554 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:35:36,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:35:36,555 INFO L85 PathProgramCache]: Analyzing trace with hash -109360466, now seen corresponding path program 1 times [2022-02-18 15:35:36,555 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:35:36,555 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [451532832] [2022-02-18 15:35:36,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:35:36,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:35:36,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:35:36,722 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 15:35:36,722 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:35:36,723 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [451532832] [2022-02-18 15:35:36,723 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [451532832] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 15:35:36,723 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [852659204] [2022-02-18 15:35:36,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:35:36,723 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 15:35:36,723 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 15:35:36,724 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) [2022-02-18 15:35:36,725 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-02-18 15:35:36,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:35:36,788 INFO L263 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 16 conjunts are in the unsatisfiable core [2022-02-18 15:35:36,790 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 15:35:36,907 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 15:35:36,907 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-18 15:35:37,054 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 15:35:37,054 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [852659204] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-18 15:35:37,054 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-18 15:35:37,054 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 23 [2022-02-18 15:35:37,054 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441170641] [2022-02-18 15:35:37,055 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-18 15:35:37,055 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-02-18 15:35:37,055 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:35:37,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-02-18 15:35:37,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2022-02-18 15:35:37,056 INFO L87 Difference]: Start difference. First operand 1068 states and 1993 transitions. Second operand has 23 states, 23 states have (on average 4.260869565217392) internal successors, (98), 23 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:37,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:35:37,276 INFO L93 Difference]: Finished difference Result 1083 states and 2008 transitions. [2022-02-18 15:35:37,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-02-18 15:35:37,277 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 4.260869565217392) internal successors, (98), 23 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2022-02-18 15:35:37,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:35:37,280 INFO L225 Difference]: With dead ends: 1083 [2022-02-18 15:35:37,280 INFO L226 Difference]: Without dead ends: 1083 [2022-02-18 15:35:37,281 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 155 SyntacticMatches, 1 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 322 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=524, Invalid=1116, Unknown=0, NotChecked=0, Total=1640 [2022-02-18 15:35:37,281 INFO L933 BasicCegarLoop]: 92 mSDtfsCounter, 38 mSDsluCounter, 728 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 812 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-18 15:35:37,281 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [38 Valid, 812 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-18 15:35:37,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1083 states. [2022-02-18 15:35:37,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1083 to 1083. [2022-02-18 15:35:37,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1083 states, 1076 states have (on average 1.8661710037174721) internal successors, (2008), 1082 states have internal predecessors, (2008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:37,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 1083 states and 2008 transitions. [2022-02-18 15:35:37,297 INFO L78 Accepts]: Start accepts. Automaton has 1083 states and 2008 transitions. Word has length 81 [2022-02-18 15:35:37,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:35:37,297 INFO L470 AbstractCegarLoop]: Abstraction has 1083 states and 2008 transitions. [2022-02-18 15:35:37,297 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 4.260869565217392) internal successors, (98), 23 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:37,297 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 2008 transitions. [2022-02-18 15:35:37,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-02-18 15:35:37,298 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:35:37,298 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:35:37,329 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-02-18 15:35:37,513 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 [2022-02-18 15:35:37,513 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:35:37,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:35:37,514 INFO L85 PathProgramCache]: Analyzing trace with hash 827906497, now seen corresponding path program 2 times [2022-02-18 15:35:37,514 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:35:37,514 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1175041662] [2022-02-18 15:35:37,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:35:37,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:35:37,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:35:37,583 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:35:37,583 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:35:37,583 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1175041662] [2022-02-18 15:35:37,584 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1175041662] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:35:37,584 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:35:37,584 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-18 15:35:37,584 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [750089473] [2022-02-18 15:35:37,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:35:37,584 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-18 15:35:37,584 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:35:37,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-18 15:35:37,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-02-18 15:35:37,585 INFO L87 Difference]: Start difference. First operand 1083 states and 2008 transitions. Second operand has 6 states, 5 states have (on average 10.2) internal successors, (51), 6 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:37,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:35:37,741 INFO L93 Difference]: Finished difference Result 1208 states and 2250 transitions. [2022-02-18 15:35:37,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-18 15:35:37,742 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.2) internal successors, (51), 6 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2022-02-18 15:35:37,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:35:37,747 INFO L225 Difference]: With dead ends: 1208 [2022-02-18 15:35:37,747 INFO L226 Difference]: Without dead ends: 1208 [2022-02-18 15:35:37,747 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 [2022-02-18 15:35:37,747 INFO L933 BasicCegarLoop]: 161 mSDtfsCounter, 88 mSDsluCounter, 376 mSDsCounter, 0 mSdLazyCounter, 269 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 537 SdHoareTripleChecker+Invalid, 289 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 269 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-18 15:35:37,748 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [88 Valid, 537 Invalid, 289 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 269 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-18 15:35:37,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1208 states. [2022-02-18 15:35:37,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1208 to 1132. [2022-02-18 15:35:37,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1132 states, 1125 states have (on average 1.8684444444444444) internal successors, (2102), 1131 states have internal predecessors, (2102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:37,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1132 states to 1132 states and 2102 transitions. [2022-02-18 15:35:37,801 INFO L78 Accepts]: Start accepts. Automaton has 1132 states and 2102 transitions. Word has length 96 [2022-02-18 15:35:37,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:35:37,802 INFO L470 AbstractCegarLoop]: Abstraction has 1132 states and 2102 transitions. [2022-02-18 15:35:37,802 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.2) internal successors, (51), 6 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:37,802 INFO L276 IsEmpty]: Start isEmpty. Operand 1132 states and 2102 transitions. [2022-02-18 15:35:37,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-02-18 15:35:37,805 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:35:37,805 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:35:37,805 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-02-18 15:35:37,805 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:35:37,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:35:37,806 INFO L85 PathProgramCache]: Analyzing trace with hash -1432249786, now seen corresponding path program 1 times [2022-02-18 15:35:37,806 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:35:37,806 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1990662106] [2022-02-18 15:35:37,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:35:37,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:35:37,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:35:37,954 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:35:37,954 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:35:37,954 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1990662106] [2022-02-18 15:35:37,954 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1990662106] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:35:37,954 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:35:37,954 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-18 15:35:37,955 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [895391095] [2022-02-18 15:35:37,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:35:37,971 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-18 15:35:37,971 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:35:37,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-18 15:35:37,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-02-18 15:35:37,972 INFO L87 Difference]: Start difference. First operand 1132 states and 2102 transitions. Second operand has 6 states, 5 states have (on average 11.8) internal successors, (59), 6 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:38,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:35:38,050 INFO L93 Difference]: Finished difference Result 1248 states and 2309 transitions. [2022-02-18 15:35:38,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-18 15:35:38,050 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.8) internal successors, (59), 6 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 104 [2022-02-18 15:35:38,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:35:38,053 INFO L225 Difference]: With dead ends: 1248 [2022-02-18 15:35:38,054 INFO L226 Difference]: Without dead ends: 951 [2022-02-18 15:35:38,054 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 [2022-02-18 15:35:38,055 INFO L933 BasicCegarLoop]: 163 mSDtfsCounter, 97 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 300 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-18 15:35:38,055 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [97 Valid, 300 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-18 15:35:38,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 951 states. [2022-02-18 15:35:38,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 951 to 927. [2022-02-18 15:35:38,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 927 states, 920 states have (on average 1.8141304347826086) internal successors, (1669), 926 states have internal predecessors, (1669), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:38,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 927 states to 927 states and 1669 transitions. [2022-02-18 15:35:38,091 INFO L78 Accepts]: Start accepts. Automaton has 927 states and 1669 transitions. Word has length 104 [2022-02-18 15:35:38,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:35:38,092 INFO L470 AbstractCegarLoop]: Abstraction has 927 states and 1669 transitions. [2022-02-18 15:35:38,092 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.8) internal successors, (59), 6 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:38,092 INFO L276 IsEmpty]: Start isEmpty. Operand 927 states and 1669 transitions. [2022-02-18 15:35:38,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-02-18 15:35:38,093 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:35:38,093 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:35:38,093 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-02-18 15:35:38,093 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:35:38,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:35:38,094 INFO L85 PathProgramCache]: Analyzing trace with hash 1475514096, now seen corresponding path program 1 times [2022-02-18 15:35:38,094 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:35:38,094 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861943251] [2022-02-18 15:35:38,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:35:38,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:35:38,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:35:38,525 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:35:38,526 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:35:38,526 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [861943251] [2022-02-18 15:35:38,526 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [861943251] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:35:38,526 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:35:38,526 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-02-18 15:35:38,526 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967992462] [2022-02-18 15:35:38,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:35:38,526 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-02-18 15:35:38,526 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:35:38,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-02-18 15:35:38,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=282, Unknown=0, NotChecked=0, Total=342 [2022-02-18 15:35:38,527 INFO L87 Difference]: Start difference. First operand 927 states and 1669 transitions. Second operand has 19 states, 18 states have (on average 3.611111111111111) internal successors, (65), 19 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:39,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:35:39,492 INFO L93 Difference]: Finished difference Result 1084 states and 1951 transitions. [2022-02-18 15:35:39,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-18 15:35:39,493 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.611111111111111) internal successors, (65), 19 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-02-18 15:35:39,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:35:39,495 INFO L225 Difference]: With dead ends: 1084 [2022-02-18 15:35:39,496 INFO L226 Difference]: Without dead ends: 1084 [2022-02-18 15:35:39,496 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 283 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=301, Invalid=1031, Unknown=0, NotChecked=0, Total=1332 [2022-02-18 15:35:39,496 INFO L933 BasicCegarLoop]: 194 mSDtfsCounter, 675 mSDsluCounter, 1158 mSDsCounter, 0 mSdLazyCounter, 1036 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 675 SdHoareTripleChecker+Valid, 1347 SdHoareTripleChecker+Invalid, 1112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 1036 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-18 15:35:39,496 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [675 Valid, 1347 Invalid, 1112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 1036 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-18 15:35:39,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1084 states. [2022-02-18 15:35:39,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1084 to 932. [2022-02-18 15:35:39,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 932 states, 925 states have (on average 1.8097297297297297) internal successors, (1674), 931 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) [2022-02-18 15:35:39,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 932 states to 932 states and 1674 transitions. [2022-02-18 15:35:39,509 INFO L78 Accepts]: Start accepts. Automaton has 932 states and 1674 transitions. Word has length 110 [2022-02-18 15:35:39,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:35:39,509 INFO L470 AbstractCegarLoop]: Abstraction has 932 states and 1674 transitions. [2022-02-18 15:35:39,509 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.611111111111111) internal successors, (65), 19 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:39,509 INFO L276 IsEmpty]: Start isEmpty. Operand 932 states and 1674 transitions. [2022-02-18 15:35:39,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-02-18 15:35:39,510 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:35:39,510 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:35:39,510 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-02-18 15:35:39,511 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:35:39,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:35:39,511 INFO L85 PathProgramCache]: Analyzing trace with hash 1432498022, now seen corresponding path program 2 times [2022-02-18 15:35:39,511 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:35:39,511 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1176816365] [2022-02-18 15:35:39,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:35:39,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:35:39,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:35:39,763 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:35:39,763 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:35:39,763 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1176816365] [2022-02-18 15:35:39,763 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1176816365] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:35:39,763 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:35:39,763 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:35:39,763 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1516049701] [2022-02-18 15:35:39,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:35:39,764 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:35:39,764 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:35:39,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:35:39,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:35:39,764 INFO L87 Difference]: Start difference. First operand 932 states and 1674 transitions. Second operand has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:40,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:35:40,223 INFO L93 Difference]: Finished difference Result 976 states and 1747 transitions. [2022-02-18 15:35:40,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-18 15:35:40,223 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-02-18 15:35:40,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:35:40,226 INFO L225 Difference]: With dead ends: 976 [2022-02-18 15:35:40,226 INFO L226 Difference]: Without dead ends: 976 [2022-02-18 15:35:40,226 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=80, Invalid=160, Unknown=0, NotChecked=0, Total=240 [2022-02-18 15:35:40,226 INFO L933 BasicCegarLoop]: 161 mSDtfsCounter, 142 mSDsluCounter, 429 mSDsCounter, 0 mSdLazyCounter, 469 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 587 SdHoareTripleChecker+Invalid, 499 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 469 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-18 15:35:40,227 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [142 Valid, 587 Invalid, 499 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 469 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-18 15:35:40,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 976 states. [2022-02-18 15:35:40,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 976 to 933. [2022-02-18 15:35:40,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 933 states, 926 states have (on average 1.8099352051835853) internal successors, (1676), 932 states have internal predecessors, (1676), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:40,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 933 states to 933 states and 1676 transitions. [2022-02-18 15:35:40,256 INFO L78 Accepts]: Start accepts. Automaton has 933 states and 1676 transitions. Word has length 110 [2022-02-18 15:35:40,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:35:40,256 INFO L470 AbstractCegarLoop]: Abstraction has 933 states and 1676 transitions. [2022-02-18 15:35:40,256 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:40,256 INFO L276 IsEmpty]: Start isEmpty. Operand 933 states and 1676 transitions. [2022-02-18 15:35:40,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-02-18 15:35:40,285 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:35:40,285 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] [2022-02-18 15:35:40,285 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-02-18 15:35:40,285 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:35:40,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:35:40,286 INFO L85 PathProgramCache]: Analyzing trace with hash -590607614, now seen corresponding path program 3 times [2022-02-18 15:35:40,286 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:35:40,286 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375974214] [2022-02-18 15:35:40,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:35:40,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:35:40,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:35:40,686 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:35:40,686 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:35:40,686 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1375974214] [2022-02-18 15:35:40,686 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1375974214] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:35:40,686 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:35:40,686 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-02-18 15:35:40,687 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [692165817] [2022-02-18 15:35:40,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:35:40,687 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-02-18 15:35:40,687 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:35:40,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-02-18 15:35:40,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=285, Unknown=0, NotChecked=0, Total=342 [2022-02-18 15:35:40,687 INFO L87 Difference]: Start difference. First operand 933 states and 1676 transitions. Second operand has 19 states, 18 states have (on average 3.611111111111111) internal successors, (65), 19 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:41,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:35:41,887 INFO L93 Difference]: Finished difference Result 1097 states and 1973 transitions. [2022-02-18 15:35:41,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-02-18 15:35:41,887 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.611111111111111) internal successors, (65), 19 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-02-18 15:35:41,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:35:41,891 INFO L225 Difference]: With dead ends: 1097 [2022-02-18 15:35:41,891 INFO L226 Difference]: Without dead ends: 1097 [2022-02-18 15:35:41,892 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 343 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=357, Invalid=1203, Unknown=0, NotChecked=0, Total=1560 [2022-02-18 15:35:41,892 INFO L933 BasicCegarLoop]: 193 mSDtfsCounter, 746 mSDsluCounter, 1051 mSDsCounter, 0 mSdLazyCounter, 1077 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 746 SdHoareTripleChecker+Valid, 1241 SdHoareTripleChecker+Invalid, 1160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 1077 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-02-18 15:35:41,892 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [746 Valid, 1241 Invalid, 1160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 1077 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-02-18 15:35:41,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1097 states. [2022-02-18 15:35:41,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1097 to 937. [2022-02-18 15:35:41,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 937 states, 930 states have (on average 1.810752688172043) internal successors, (1684), 936 states have internal predecessors, (1684), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:41,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 937 states to 937 states and 1684 transitions. [2022-02-18 15:35:41,908 INFO L78 Accepts]: Start accepts. Automaton has 937 states and 1684 transitions. Word has length 110 [2022-02-18 15:35:41,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:35:41,908 INFO L470 AbstractCegarLoop]: Abstraction has 937 states and 1684 transitions. [2022-02-18 15:35:41,908 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.611111111111111) internal successors, (65), 19 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:41,908 INFO L276 IsEmpty]: Start isEmpty. Operand 937 states and 1684 transitions. [2022-02-18 15:35:41,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-02-18 15:35:41,909 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:35:41,909 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:35:41,909 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-02-18 15:35:41,909 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:35:41,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:35:41,910 INFO L85 PathProgramCache]: Analyzing trace with hash -822391322, now seen corresponding path program 4 times [2022-02-18 15:35:41,910 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:35:41,910 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1469301749] [2022-02-18 15:35:41,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:35:41,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:35:41,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:35:42,293 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:35:42,293 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:35:42,293 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1469301749] [2022-02-18 15:35:42,293 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1469301749] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:35:42,293 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:35:42,293 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-02-18 15:35:42,293 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1978311584] [2022-02-18 15:35:42,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:35:42,294 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-02-18 15:35:42,294 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:35:42,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-02-18 15:35:42,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=285, Unknown=0, NotChecked=0, Total=342 [2022-02-18 15:35:42,294 INFO L87 Difference]: Start difference. First operand 937 states and 1684 transitions. Second operand has 19 states, 18 states have (on average 3.611111111111111) internal successors, (65), 19 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:43,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:35:43,431 INFO L93 Difference]: Finished difference Result 1116 states and 2006 transitions. [2022-02-18 15:35:43,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-18 15:35:43,432 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.611111111111111) internal successors, (65), 19 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-02-18 15:35:43,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:35:43,443 INFO L225 Difference]: With dead ends: 1116 [2022-02-18 15:35:43,443 INFO L226 Difference]: Without dead ends: 1116 [2022-02-18 15:35:43,444 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 391 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=384, Invalid=1338, Unknown=0, NotChecked=0, Total=1722 [2022-02-18 15:35:43,444 INFO L933 BasicCegarLoop]: 166 mSDtfsCounter, 618 mSDsluCounter, 819 mSDsCounter, 0 mSdLazyCounter, 813 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 618 SdHoareTripleChecker+Valid, 980 SdHoareTripleChecker+Invalid, 906 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 813 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-18 15:35:43,444 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [618 Valid, 980 Invalid, 906 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 813 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-18 15:35:43,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1116 states. [2022-02-18 15:35:43,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1116 to 939. [2022-02-18 15:35:43,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 939 states, 932 states have (on average 1.8111587982832618) internal successors, (1688), 938 states have internal predecessors, (1688), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:43,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 939 states to 939 states and 1688 transitions. [2022-02-18 15:35:43,462 INFO L78 Accepts]: Start accepts. Automaton has 939 states and 1688 transitions. Word has length 110 [2022-02-18 15:35:43,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:35:43,462 INFO L470 AbstractCegarLoop]: Abstraction has 939 states and 1688 transitions. [2022-02-18 15:35:43,462 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.611111111111111) internal successors, (65), 19 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:43,462 INFO L276 IsEmpty]: Start isEmpty. Operand 939 states and 1688 transitions. [2022-02-18 15:35:43,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-02-18 15:35:43,463 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:35:43,463 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:35:43,463 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-02-18 15:35:43,463 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:35:43,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:35:43,464 INFO L85 PathProgramCache]: Analyzing trace with hash 1449470338, now seen corresponding path program 5 times [2022-02-18 15:35:43,464 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:35:43,464 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603608481] [2022-02-18 15:35:43,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:35:43,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:35:43,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:35:43,901 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:35:43,901 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:35:43,901 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [603608481] [2022-02-18 15:35:43,901 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [603608481] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:35:43,901 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:35:43,901 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-02-18 15:35:43,901 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [730366238] [2022-02-18 15:35:43,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:35:43,902 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-02-18 15:35:43,902 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:35:43,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-02-18 15:35:43,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=285, Unknown=0, NotChecked=0, Total=342 [2022-02-18 15:35:43,902 INFO L87 Difference]: Start difference. First operand 939 states and 1688 transitions. Second operand has 19 states, 18 states have (on average 3.611111111111111) internal successors, (65), 19 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:45,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:35:45,522 INFO L93 Difference]: Finished difference Result 1128 states and 2026 transitions. [2022-02-18 15:35:45,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-18 15:35:45,522 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.611111111111111) internal successors, (65), 19 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-02-18 15:35:45,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:35:45,525 INFO L225 Difference]: With dead ends: 1128 [2022-02-18 15:35:45,525 INFO L226 Difference]: Without dead ends: 1128 [2022-02-18 15:35:45,526 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 396 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=383, Invalid=1339, Unknown=0, NotChecked=0, Total=1722 [2022-02-18 15:35:45,526 INFO L933 BasicCegarLoop]: 169 mSDtfsCounter, 648 mSDsluCounter, 1407 mSDsCounter, 0 mSdLazyCounter, 1346 mSolverCounterSat, 95 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 648 SdHoareTripleChecker+Valid, 1571 SdHoareTripleChecker+Invalid, 1441 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 95 IncrementalHoareTripleChecker+Valid, 1346 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-02-18 15:35:45,527 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [648 Valid, 1571 Invalid, 1441 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [95 Valid, 1346 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-02-18 15:35:45,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1128 states. [2022-02-18 15:35:45,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1128 to 938. [2022-02-18 15:35:45,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 938 states, 931 states have (on average 1.8109559613319013) internal successors, (1686), 937 states have internal predecessors, (1686), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:45,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 938 states to 938 states and 1686 transitions. [2022-02-18 15:35:45,540 INFO L78 Accepts]: Start accepts. Automaton has 938 states and 1686 transitions. Word has length 110 [2022-02-18 15:35:45,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:35:45,541 INFO L470 AbstractCegarLoop]: Abstraction has 938 states and 1686 transitions. [2022-02-18 15:35:45,541 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.611111111111111) internal successors, (65), 19 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:45,541 INFO L276 IsEmpty]: Start isEmpty. Operand 938 states and 1686 transitions. [2022-02-18 15:35:45,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-02-18 15:35:45,542 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:35:45,542 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:35:45,542 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-02-18 15:35:45,542 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:35:45,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:35:45,542 INFO L85 PathProgramCache]: Analyzing trace with hash -280766288, now seen corresponding path program 6 times [2022-02-18 15:35:45,542 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:35:45,542 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1205290969] [2022-02-18 15:35:45,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:35:45,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:35:45,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:35:45,909 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:35:45,910 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:35:45,910 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1205290969] [2022-02-18 15:35:45,910 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1205290969] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:35:45,910 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:35:45,910 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-02-18 15:35:45,910 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1982009492] [2022-02-18 15:35:45,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:35:45,910 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-02-18 15:35:45,911 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:35:45,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-02-18 15:35:45,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=285, Unknown=0, NotChecked=0, Total=342 [2022-02-18 15:35:45,911 INFO L87 Difference]: Start difference. First operand 938 states and 1686 transitions. Second operand has 19 states, 18 states have (on average 3.611111111111111) internal successors, (65), 19 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:46,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:35:46,890 INFO L93 Difference]: Finished difference Result 1108 states and 1995 transitions. [2022-02-18 15:35:46,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-02-18 15:35:46,891 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.611111111111111) internal successors, (65), 19 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-02-18 15:35:46,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:35:46,894 INFO L225 Difference]: With dead ends: 1108 [2022-02-18 15:35:46,894 INFO L226 Difference]: Without dead ends: 1108 [2022-02-18 15:35:46,894 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 303 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=311, Invalid=1095, Unknown=0, NotChecked=0, Total=1406 [2022-02-18 15:35:46,894 INFO L933 BasicCegarLoop]: 166 mSDtfsCounter, 611 mSDsluCounter, 1080 mSDsCounter, 0 mSdLazyCounter, 963 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 611 SdHoareTripleChecker+Valid, 1239 SdHoareTripleChecker+Invalid, 1043 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 963 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-18 15:35:46,895 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [611 Valid, 1239 Invalid, 1043 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 963 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-18 15:35:46,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1108 states. [2022-02-18 15:35:46,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1108 to 942. [2022-02-18 15:35:46,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 942 states, 935 states have (on average 1.811764705882353) internal successors, (1694), 941 states have internal predecessors, (1694), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:46,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 942 states to 942 states and 1694 transitions. [2022-02-18 15:35:46,909 INFO L78 Accepts]: Start accepts. Automaton has 942 states and 1694 transitions. Word has length 110 [2022-02-18 15:35:46,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:35:46,909 INFO L470 AbstractCegarLoop]: Abstraction has 942 states and 1694 transitions. [2022-02-18 15:35:46,909 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.611111111111111) internal successors, (65), 19 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:46,910 INFO L276 IsEmpty]: Start isEmpty. Operand 942 states and 1694 transitions. [2022-02-18 15:35:46,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-02-18 15:35:46,910 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:35:46,911 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:35:46,911 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-02-18 15:35:46,911 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:35:46,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:35:46,911 INFO L85 PathProgramCache]: Analyzing trace with hash -1073377992, now seen corresponding path program 7 times [2022-02-18 15:35:46,911 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:35:46,911 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [760987029] [2022-02-18 15:35:46,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:35:46,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:35:46,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:35:47,327 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:35:47,328 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:35:47,328 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [760987029] [2022-02-18 15:35:47,328 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [760987029] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:35:47,328 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:35:47,328 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-02-18 15:35:47,328 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [506403359] [2022-02-18 15:35:47,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:35:47,328 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-02-18 15:35:47,328 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:35:47,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-02-18 15:35:47,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=283, Unknown=0, NotChecked=0, Total=342 [2022-02-18 15:35:47,329 INFO L87 Difference]: Start difference. First operand 942 states and 1694 transitions. Second operand has 19 states, 18 states have (on average 3.611111111111111) internal successors, (65), 19 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:48,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:35:48,563 INFO L93 Difference]: Finished difference Result 1128 states and 2030 transitions. [2022-02-18 15:35:48,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-18 15:35:48,563 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.611111111111111) internal successors, (65), 19 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-02-18 15:35:48,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:35:48,566 INFO L225 Difference]: With dead ends: 1128 [2022-02-18 15:35:48,566 INFO L226 Difference]: Without dead ends: 1128 [2022-02-18 15:35:48,567 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 385 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=386, Invalid=1336, Unknown=0, NotChecked=0, Total=1722 [2022-02-18 15:35:48,567 INFO L933 BasicCegarLoop]: 152 mSDtfsCounter, 661 mSDsluCounter, 867 mSDsCounter, 0 mSdLazyCounter, 912 mSolverCounterSat, 109 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 661 SdHoareTripleChecker+Valid, 1017 SdHoareTripleChecker+Invalid, 1021 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 109 IncrementalHoareTripleChecker+Valid, 912 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-18 15:35:48,567 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [661 Valid, 1017 Invalid, 1021 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [109 Valid, 912 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-18 15:35:48,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1128 states. [2022-02-18 15:35:48,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1128 to 945. [2022-02-18 15:35:48,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 945 states, 938 states have (on average 1.812366737739872) internal successors, (1700), 944 states have internal predecessors, (1700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:48,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 945 states to 945 states and 1700 transitions. [2022-02-18 15:35:48,583 INFO L78 Accepts]: Start accepts. Automaton has 945 states and 1700 transitions. Word has length 110 [2022-02-18 15:35:48,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:35:48,583 INFO L470 AbstractCegarLoop]: Abstraction has 945 states and 1700 transitions. [2022-02-18 15:35:48,583 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.611111111111111) internal successors, (65), 19 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:48,583 INFO L276 IsEmpty]: Start isEmpty. Operand 945 states and 1700 transitions. [2022-02-18 15:35:48,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-02-18 15:35:48,584 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:35:48,584 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] [2022-02-18 15:35:48,584 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-02-18 15:35:48,585 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:35:48,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:35:48,585 INFO L85 PathProgramCache]: Analyzing trace with hash 1198483668, now seen corresponding path program 8 times [2022-02-18 15:35:48,585 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:35:48,585 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [288540682] [2022-02-18 15:35:48,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:35:48,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:35:48,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:35:48,995 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:35:48,995 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:35:48,995 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [288540682] [2022-02-18 15:35:48,995 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [288540682] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:35:48,995 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:35:48,995 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-02-18 15:35:48,995 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612585144] [2022-02-18 15:35:48,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:35:48,996 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-02-18 15:35:48,996 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:35:48,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-02-18 15:35:48,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=283, Unknown=0, NotChecked=0, Total=342 [2022-02-18 15:35:48,996 INFO L87 Difference]: Start difference. First operand 945 states and 1700 transitions. Second operand has 19 states, 18 states have (on average 3.611111111111111) internal successors, (65), 19 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:50,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:35:50,108 INFO L93 Difference]: Finished difference Result 1140 states and 2050 transitions. [2022-02-18 15:35:50,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-18 15:35:50,109 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.611111111111111) internal successors, (65), 19 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-02-18 15:35:50,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:35:50,112 INFO L225 Difference]: With dead ends: 1140 [2022-02-18 15:35:50,112 INFO L226 Difference]: Without dead ends: 1140 [2022-02-18 15:35:50,113 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 391 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=382, Invalid=1340, Unknown=0, NotChecked=0, Total=1722 [2022-02-18 15:35:50,113 INFO L933 BasicCegarLoop]: 155 mSDtfsCounter, 638 mSDsluCounter, 820 mSDsCounter, 0 mSdLazyCounter, 849 mSolverCounterSat, 109 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 638 SdHoareTripleChecker+Valid, 973 SdHoareTripleChecker+Invalid, 958 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 109 IncrementalHoareTripleChecker+Valid, 849 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-18 15:35:50,113 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [638 Valid, 973 Invalid, 958 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [109 Valid, 849 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-18 15:35:50,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1140 states. [2022-02-18 15:35:50,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1140 to 944. [2022-02-18 15:35:50,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 944 states, 937 states have (on average 1.8121664887940234) internal successors, (1698), 943 states have internal predecessors, (1698), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:50,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 944 states to 944 states and 1698 transitions. [2022-02-18 15:35:50,124 INFO L78 Accepts]: Start accepts. Automaton has 944 states and 1698 transitions. Word has length 110 [2022-02-18 15:35:50,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:35:50,125 INFO L470 AbstractCegarLoop]: Abstraction has 944 states and 1698 transitions. [2022-02-18 15:35:50,125 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.611111111111111) internal successors, (65), 19 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:50,125 INFO L276 IsEmpty]: Start isEmpty. Operand 944 states and 1698 transitions. [2022-02-18 15:35:50,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-02-18 15:35:50,126 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:35:50,126 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:35:50,126 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-02-18 15:35:50,126 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:35:50,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:35:50,126 INFO L85 PathProgramCache]: Analyzing trace with hash -531752958, now seen corresponding path program 9 times [2022-02-18 15:35:50,126 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:35:50,127 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1653477838] [2022-02-18 15:35:50,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:35:50,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:35:50,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:35:50,477 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:35:50,477 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:35:50,477 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1653477838] [2022-02-18 15:35:50,477 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1653477838] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:35:50,477 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:35:50,477 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-02-18 15:35:50,477 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1461556786] [2022-02-18 15:35:50,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:35:50,477 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-02-18 15:35:50,477 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:35:50,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-02-18 15:35:50,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=283, Unknown=0, NotChecked=0, Total=342 [2022-02-18 15:35:50,478 INFO L87 Difference]: Start difference. First operand 944 states and 1698 transitions. Second operand has 19 states, 18 states have (on average 3.611111111111111) internal successors, (65), 19 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:51,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:35:51,584 INFO L93 Difference]: Finished difference Result 1150 states and 2070 transitions. [2022-02-18 15:35:51,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-18 15:35:51,585 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.611111111111111) internal successors, (65), 19 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-02-18 15:35:51,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:35:51,588 INFO L225 Difference]: With dead ends: 1150 [2022-02-18 15:35:51,588 INFO L226 Difference]: Without dead ends: 1150 [2022-02-18 15:35:51,588 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 371 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=361, Invalid=1279, Unknown=0, NotChecked=0, Total=1640 [2022-02-18 15:35:51,589 INFO L933 BasicCegarLoop]: 155 mSDtfsCounter, 645 mSDsluCounter, 886 mSDsCounter, 0 mSdLazyCounter, 857 mSolverCounterSat, 111 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 645 SdHoareTripleChecker+Valid, 1037 SdHoareTripleChecker+Invalid, 968 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 111 IncrementalHoareTripleChecker+Valid, 857 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-18 15:35:51,589 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [645 Valid, 1037 Invalid, 968 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [111 Valid, 857 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-18 15:35:51,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1150 states. [2022-02-18 15:35:51,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1150 to 943. [2022-02-18 15:35:51,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 943 states, 936 states have (on average 1.811965811965812) internal successors, (1696), 942 states have internal predecessors, (1696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:51,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 943 states to 943 states and 1696 transitions. [2022-02-18 15:35:51,601 INFO L78 Accepts]: Start accepts. Automaton has 943 states and 1696 transitions. Word has length 110 [2022-02-18 15:35:51,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:35:51,601 INFO L470 AbstractCegarLoop]: Abstraction has 943 states and 1696 transitions. [2022-02-18 15:35:51,601 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.611111111111111) internal successors, (65), 19 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:51,601 INFO L276 IsEmpty]: Start isEmpty. Operand 943 states and 1696 transitions. [2022-02-18 15:35:51,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-02-18 15:35:51,602 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:35:51,602 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] [2022-02-18 15:35:51,602 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-02-18 15:35:51,602 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:35:51,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:35:51,603 INFO L85 PathProgramCache]: Analyzing trace with hash -26692798, now seen corresponding path program 10 times [2022-02-18 15:35:51,603 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:35:51,603 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [217142820] [2022-02-18 15:35:51,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:35:51,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:35:51,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:35:51,814 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:35:51,814 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:35:51,814 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [217142820] [2022-02-18 15:35:51,814 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [217142820] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:35:51,814 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:35:51,815 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:35:51,815 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988364837] [2022-02-18 15:35:51,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:35:51,815 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:35:51,815 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:35:51,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:35:51,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:35:51,816 INFO L87 Difference]: Start difference. First operand 943 states and 1696 transitions. Second operand has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:52,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:35:52,172 INFO L93 Difference]: Finished difference Result 991 states and 1782 transitions. [2022-02-18 15:35:52,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-18 15:35:52,172 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-02-18 15:35:52,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:35:52,175 INFO L225 Difference]: With dead ends: 991 [2022-02-18 15:35:52,175 INFO L226 Difference]: Without dead ends: 991 [2022-02-18 15:35:52,175 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=81, Invalid=159, Unknown=0, NotChecked=0, Total=240 [2022-02-18 15:35:52,175 INFO L933 BasicCegarLoop]: 120 mSDtfsCounter, 78 mSDsluCounter, 389 mSDsCounter, 0 mSdLazyCounter, 397 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 506 SdHoareTripleChecker+Invalid, 425 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 397 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-18 15:35:52,175 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [78 Valid, 506 Invalid, 425 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 397 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-18 15:35:52,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 991 states. [2022-02-18 15:35:52,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 991 to 947. [2022-02-18 15:35:52,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 947 states, 940 states have (on average 1.8127659574468085) internal successors, (1704), 946 states have internal predecessors, (1704), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:52,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 947 states to 947 states and 1704 transitions. [2022-02-18 15:35:52,186 INFO L78 Accepts]: Start accepts. Automaton has 947 states and 1704 transitions. Word has length 110 [2022-02-18 15:35:52,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:35:52,186 INFO L470 AbstractCegarLoop]: Abstraction has 947 states and 1704 transitions. [2022-02-18 15:35:52,186 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:52,186 INFO L276 IsEmpty]: Start isEmpty. Operand 947 states and 1704 transitions. [2022-02-18 15:35:52,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-02-18 15:35:52,187 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:35:52,187 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:35:52,187 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-02-18 15:35:52,188 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:35:52,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:35:52,188 INFO L85 PathProgramCache]: Analyzing trace with hash 18344714, now seen corresponding path program 11 times [2022-02-18 15:35:52,188 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:35:52,188 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [415507328] [2022-02-18 15:35:52,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:35:52,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:35:52,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:35:52,396 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:35:52,396 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:35:52,396 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [415507328] [2022-02-18 15:35:52,397 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [415507328] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:35:52,397 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:35:52,397 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:35:52,397 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008485810] [2022-02-18 15:35:52,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:35:52,397 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:35:52,397 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:35:52,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:35:52,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:35:52,397 INFO L87 Difference]: Start difference. First operand 947 states and 1704 transitions. Second operand has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:52,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:35:52,801 INFO L93 Difference]: Finished difference Result 1628 states and 2954 transitions. [2022-02-18 15:35:52,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-18 15:35:52,802 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-02-18 15:35:52,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:35:52,806 INFO L225 Difference]: With dead ends: 1628 [2022-02-18 15:35:52,806 INFO L226 Difference]: Without dead ends: 1628 [2022-02-18 15:35:52,806 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2022-02-18 15:35:52,807 INFO L933 BasicCegarLoop]: 108 mSDtfsCounter, 233 mSDsluCounter, 262 mSDsCounter, 0 mSdLazyCounter, 468 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 233 SdHoareTripleChecker+Valid, 368 SdHoareTripleChecker+Invalid, 495 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 468 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-18 15:35:52,807 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [233 Valid, 368 Invalid, 495 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 468 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-18 15:35:52,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1628 states. [2022-02-18 15:35:52,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1628 to 1103. [2022-02-18 15:35:52,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1103 states, 1096 states have (on average 1.8385036496350364) internal successors, (2015), 1102 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) [2022-02-18 15:35:52,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1103 states to 1103 states and 2015 transitions. [2022-02-18 15:35:52,820 INFO L78 Accepts]: Start accepts. Automaton has 1103 states and 2015 transitions. Word has length 110 [2022-02-18 15:35:52,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:35:52,820 INFO L470 AbstractCegarLoop]: Abstraction has 1103 states and 2015 transitions. [2022-02-18 15:35:52,820 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:52,821 INFO L276 IsEmpty]: Start isEmpty. Operand 1103 states and 2015 transitions. [2022-02-18 15:35:52,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-02-18 15:35:52,822 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:35:52,822 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:35:52,822 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-02-18 15:35:52,822 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:35:52,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:35:52,822 INFO L85 PathProgramCache]: Analyzing trace with hash -724763226, now seen corresponding path program 1 times [2022-02-18 15:35:52,822 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:35:52,822 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1736539870] [2022-02-18 15:35:52,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:35:52,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:35:52,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:35:53,239 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:35:53,239 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:35:53,239 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1736539870] [2022-02-18 15:35:53,239 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1736539870] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:35:53,239 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:35:53,239 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-02-18 15:35:53,240 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [809914357] [2022-02-18 15:35:53,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:35:53,240 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-02-18 15:35:53,240 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:35:53,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-02-18 15:35:53,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=311, Unknown=0, NotChecked=0, Total=380 [2022-02-18 15:35:53,241 INFO L87 Difference]: Start difference. First operand 1103 states and 2015 transitions. Second operand has 20 states, 19 states have (on average 3.4210526315789473) internal successors, (65), 20 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:55,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:35:55,325 INFO L93 Difference]: Finished difference Result 1733 states and 3145 transitions. [2022-02-18 15:35:55,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-02-18 15:35:55,326 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 3.4210526315789473) internal successors, (65), 20 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-02-18 15:35:55,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:35:55,329 INFO L225 Difference]: With dead ends: 1733 [2022-02-18 15:35:55,329 INFO L226 Difference]: Without dead ends: 1733 [2022-02-18 15:35:55,330 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1124 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=1153, Invalid=3269, Unknown=0, NotChecked=0, Total=4422 [2022-02-18 15:35:55,331 INFO L933 BasicCegarLoop]: 126 mSDtfsCounter, 1078 mSDsluCounter, 770 mSDsCounter, 0 mSdLazyCounter, 1092 mSolverCounterSat, 227 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1078 SdHoareTripleChecker+Valid, 894 SdHoareTripleChecker+Invalid, 1319 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 227 IncrementalHoareTripleChecker+Valid, 1092 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-02-18 15:35:55,331 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1078 Valid, 894 Invalid, 1319 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [227 Valid, 1092 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-02-18 15:35:55,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1733 states. [2022-02-18 15:35:55,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1733 to 1105. [2022-02-18 15:35:55,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1105 states, 1098 states have (on average 1.837887067395264) internal successors, (2018), 1104 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) [2022-02-18 15:35:55,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1105 states to 1105 states and 2018 transitions. [2022-02-18 15:35:55,345 INFO L78 Accepts]: Start accepts. Automaton has 1105 states and 2018 transitions. Word has length 110 [2022-02-18 15:35:55,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:35:55,346 INFO L470 AbstractCegarLoop]: Abstraction has 1105 states and 2018 transitions. [2022-02-18 15:35:55,346 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 3.4210526315789473) internal successors, (65), 20 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:55,346 INFO L276 IsEmpty]: Start isEmpty. Operand 1105 states and 2018 transitions. [2022-02-18 15:35:55,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-02-18 15:35:55,347 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:35:55,347 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:35:55,347 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-02-18 15:35:55,347 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:35:55,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:35:55,348 INFO L85 PathProgramCache]: Analyzing trace with hash 2136923978, now seen corresponding path program 12 times [2022-02-18 15:35:55,348 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:35:55,348 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930458789] [2022-02-18 15:35:55,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:35:55,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:35:55,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:35:55,775 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:35:55,776 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:35:55,776 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1930458789] [2022-02-18 15:35:55,776 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1930458789] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:35:55,776 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:35:55,776 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-02-18 15:35:55,776 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [500912861] [2022-02-18 15:35:55,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:35:55,776 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-02-18 15:35:55,776 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:35:55,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-02-18 15:35:55,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=282, Unknown=0, NotChecked=0, Total=342 [2022-02-18 15:35:55,777 INFO L87 Difference]: Start difference. First operand 1105 states and 2018 transitions. Second operand has 19 states, 18 states have (on average 3.611111111111111) internal successors, (65), 19 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:56,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:35:56,945 INFO L93 Difference]: Finished difference Result 1614 states and 2945 transitions. [2022-02-18 15:35:56,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-18 15:35:56,946 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.611111111111111) internal successors, (65), 19 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-02-18 15:35:56,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:35:56,949 INFO L225 Difference]: With dead ends: 1614 [2022-02-18 15:35:56,949 INFO L226 Difference]: Without dead ends: 1614 [2022-02-18 15:35:56,949 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 378 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=344, Invalid=1296, Unknown=0, NotChecked=0, Total=1640 [2022-02-18 15:35:56,950 INFO L933 BasicCegarLoop]: 167 mSDtfsCounter, 680 mSDsluCounter, 887 mSDsCounter, 0 mSdLazyCounter, 934 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 680 SdHoareTripleChecker+Valid, 1050 SdHoareTripleChecker+Invalid, 1015 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 934 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-02-18 15:35:56,950 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [680 Valid, 1050 Invalid, 1015 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 934 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-02-18 15:35:56,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1614 states. [2022-02-18 15:35:56,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1614 to 1110. [2022-02-18 15:35:56,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1110 states, 1103 states have (on average 1.8386219401631914) internal successors, (2028), 1109 states have internal predecessors, (2028), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:56,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1110 states to 1110 states and 2028 transitions. [2022-02-18 15:35:56,964 INFO L78 Accepts]: Start accepts. Automaton has 1110 states and 2028 transitions. Word has length 110 [2022-02-18 15:35:56,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:35:56,964 INFO L470 AbstractCegarLoop]: Abstraction has 1110 states and 2028 transitions. [2022-02-18 15:35:56,964 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.611111111111111) internal successors, (65), 19 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:56,964 INFO L276 IsEmpty]: Start isEmpty. Operand 1110 states and 2028 transitions. [2022-02-18 15:35:56,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-02-18 15:35:56,965 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:35:56,966 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:35:56,966 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-02-18 15:35:56,966 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:35:56,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:35:56,966 INFO L85 PathProgramCache]: Analyzing trace with hash 113818342, now seen corresponding path program 13 times [2022-02-18 15:35:56,966 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:35:56,966 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [322245420] [2022-02-18 15:35:56,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:35:56,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:35:57,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:35:57,379 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:35:57,379 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:35:57,379 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [322245420] [2022-02-18 15:35:57,379 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [322245420] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:35:57,379 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:35:57,379 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-02-18 15:35:57,379 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2124660780] [2022-02-18 15:35:57,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:35:57,379 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-02-18 15:35:57,380 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:35:57,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-02-18 15:35:57,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2022-02-18 15:35:57,380 INFO L87 Difference]: Start difference. First operand 1110 states and 2028 transitions. Second operand has 19 states, 18 states have (on average 3.611111111111111) internal successors, (65), 19 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:58,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:35:58,891 INFO L93 Difference]: Finished difference Result 1794 states and 3271 transitions. [2022-02-18 15:35:58,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-02-18 15:35:58,891 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.611111111111111) internal successors, (65), 19 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-02-18 15:35:58,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:35:58,894 INFO L225 Difference]: With dead ends: 1794 [2022-02-18 15:35:58,894 INFO L226 Difference]: Without dead ends: 1794 [2022-02-18 15:35:58,894 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 464 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=449, Invalid=1531, Unknown=0, NotChecked=0, Total=1980 [2022-02-18 15:35:58,895 INFO L933 BasicCegarLoop]: 126 mSDtfsCounter, 838 mSDsluCounter, 828 mSDsCounter, 0 mSdLazyCounter, 1354 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 838 SdHoareTripleChecker+Valid, 949 SdHoareTripleChecker+Invalid, 1455 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 1354 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-02-18 15:35:58,895 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [838 Valid, 949 Invalid, 1455 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 1354 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-02-18 15:35:58,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1794 states. [2022-02-18 15:35:58,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1794 to 1112. [2022-02-18 15:35:58,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1112 states, 1105 states have (on average 1.8389140271493212) internal successors, (2032), 1111 states have internal predecessors, (2032), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:58,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1112 states to 1112 states and 2032 transitions. [2022-02-18 15:35:58,908 INFO L78 Accepts]: Start accepts. Automaton has 1112 states and 2032 transitions. Word has length 110 [2022-02-18 15:35:58,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:35:58,908 INFO L470 AbstractCegarLoop]: Abstraction has 1112 states and 2032 transitions. [2022-02-18 15:35:58,908 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.611111111111111) internal successors, (65), 19 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:58,908 INFO L276 IsEmpty]: Start isEmpty. Operand 1112 states and 2032 transitions. [2022-02-18 15:35:58,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-02-18 15:35:58,909 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:35:58,909 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:35:58,909 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-02-18 15:35:58,910 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:35:58,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:35:58,910 INFO L85 PathProgramCache]: Analyzing trace with hash -1616418284, now seen corresponding path program 14 times [2022-02-18 15:35:58,910 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:35:58,910 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666939565] [2022-02-18 15:35:58,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:35:58,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:35:58,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:35:59,147 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:35:59,148 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:35:59,148 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [666939565] [2022-02-18 15:35:59,148 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [666939565] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:35:59,148 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:35:59,148 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:35:59,148 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2101615050] [2022-02-18 15:35:59,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:35:59,148 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:35:59,148 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:35:59,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:35:59,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:35:59,149 INFO L87 Difference]: Start difference. First operand 1112 states and 2032 transitions. Second operand has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:59,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:35:59,699 INFO L93 Difference]: Finished difference Result 1553 states and 2831 transitions. [2022-02-18 15:35:59,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-18 15:35:59,700 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-02-18 15:35:59,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:35:59,702 INFO L225 Difference]: With dead ends: 1553 [2022-02-18 15:35:59,702 INFO L226 Difference]: Without dead ends: 1553 [2022-02-18 15:35:59,703 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=105, Invalid=201, Unknown=0, NotChecked=0, Total=306 [2022-02-18 15:35:59,703 INFO L933 BasicCegarLoop]: 106 mSDtfsCounter, 141 mSDsluCounter, 449 mSDsCounter, 0 mSdLazyCounter, 631 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 553 SdHoareTripleChecker+Invalid, 657 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 631 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-18 15:35:59,703 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [141 Valid, 553 Invalid, 657 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 631 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-18 15:35:59,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1553 states. [2022-02-18 15:35:59,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1553 to 1111. [2022-02-18 15:35:59,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1111 states, 1104 states have (on average 1.838768115942029) internal successors, (2030), 1110 states have internal predecessors, (2030), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:59,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1111 states to 1111 states and 2030 transitions. [2022-02-18 15:35:59,716 INFO L78 Accepts]: Start accepts. Automaton has 1111 states and 2030 transitions. Word has length 110 [2022-02-18 15:35:59,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:35:59,716 INFO L470 AbstractCegarLoop]: Abstraction has 1111 states and 2030 transitions. [2022-02-18 15:35:59,716 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:59,716 INFO L276 IsEmpty]: Start isEmpty. Operand 1111 states and 2030 transitions. [2022-02-18 15:35:59,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-02-18 15:35:59,717 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:35:59,717 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:35:59,718 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-02-18 15:35:59,718 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:35:59,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:35:59,718 INFO L85 PathProgramCache]: Analyzing trace with hash -1111358124, now seen corresponding path program 15 times [2022-02-18 15:35:59,718 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:35:59,718 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465903382] [2022-02-18 15:35:59,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:35:59,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:35:59,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:36:00,065 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:36:00,066 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:36:00,066 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [465903382] [2022-02-18 15:36:00,066 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [465903382] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:36:00,066 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:36:00,066 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-02-18 15:36:00,066 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642898282] [2022-02-18 15:36:00,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:36:00,066 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-02-18 15:36:00,066 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:36:00,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-02-18 15:36:00,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2022-02-18 15:36:00,067 INFO L87 Difference]: Start difference. First operand 1111 states and 2030 transitions. Second operand has 19 states, 18 states have (on average 3.611111111111111) internal successors, (65), 19 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:01,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:36:01,112 INFO L93 Difference]: Finished difference Result 1793 states and 3273 transitions. [2022-02-18 15:36:01,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-02-18 15:36:01,112 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.611111111111111) internal successors, (65), 19 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-02-18 15:36:01,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:36:01,124 INFO L225 Difference]: With dead ends: 1793 [2022-02-18 15:36:01,125 INFO L226 Difference]: Without dead ends: 1793 [2022-02-18 15:36:01,126 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 412 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=404, Invalid=1402, Unknown=0, NotChecked=0, Total=1806 [2022-02-18 15:36:01,126 INFO L933 BasicCegarLoop]: 122 mSDtfsCounter, 837 mSDsluCounter, 759 mSDsCounter, 0 mSdLazyCounter, 1047 mSolverCounterSat, 104 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 837 SdHoareTripleChecker+Valid, 877 SdHoareTripleChecker+Invalid, 1151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 104 IncrementalHoareTripleChecker+Valid, 1047 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-18 15:36:01,127 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [837 Valid, 877 Invalid, 1151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [104 Valid, 1047 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-18 15:36:01,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1793 states. [2022-02-18 15:36:01,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1793 to 1110. [2022-02-18 15:36:01,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1110 states, 1103 states have (on average 1.8386219401631914) internal successors, (2028), 1109 states have internal predecessors, (2028), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:01,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1110 states to 1110 states and 2028 transitions. [2022-02-18 15:36:01,157 INFO L78 Accepts]: Start accepts. Automaton has 1110 states and 2028 transitions. Word has length 110 [2022-02-18 15:36:01,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:36:01,157 INFO L470 AbstractCegarLoop]: Abstraction has 1110 states and 2028 transitions. [2022-02-18 15:36:01,157 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.611111111111111) internal successors, (65), 19 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:01,157 INFO L276 IsEmpty]: Start isEmpty. Operand 1110 states and 2028 transitions. [2022-02-18 15:36:01,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-02-18 15:36:01,158 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:36:01,158 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:36:01,159 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-02-18 15:36:01,159 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:36:01,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:36:01,159 INFO L85 PathProgramCache]: Analyzing trace with hash 1433930264, now seen corresponding path program 16 times [2022-02-18 15:36:01,159 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:36:01,159 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1918678445] [2022-02-18 15:36:01,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:36:01,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:36:01,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:36:01,418 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:36:01,418 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:36:01,418 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1918678445] [2022-02-18 15:36:01,418 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1918678445] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:36:01,418 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:36:01,418 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:36:01,418 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [543184431] [2022-02-18 15:36:01,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:36:01,419 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:36:01,419 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:36:01,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:36:01,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:36:01,419 INFO L87 Difference]: Start difference. First operand 1110 states and 2028 transitions. Second operand has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:01,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:36:01,947 INFO L93 Difference]: Finished difference Result 1513 states and 2755 transitions. [2022-02-18 15:36:01,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-18 15:36:01,947 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-02-18 15:36:01,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:36:01,949 INFO L225 Difference]: With dead ends: 1513 [2022-02-18 15:36:01,949 INFO L226 Difference]: Without dead ends: 1513 [2022-02-18 15:36:01,949 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=109, Invalid=197, Unknown=0, NotChecked=0, Total=306 [2022-02-18 15:36:01,950 INFO L933 BasicCegarLoop]: 109 mSDtfsCounter, 150 mSDsluCounter, 312 mSDsCounter, 0 mSdLazyCounter, 480 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 419 SdHoareTripleChecker+Invalid, 507 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 480 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-18 15:36:01,950 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [150 Valid, 419 Invalid, 507 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 480 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-18 15:36:01,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1513 states. [2022-02-18 15:36:01,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1513 to 1105. [2022-02-18 15:36:01,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1105 states, 1098 states have (on average 1.837887067395264) internal successors, (2018), 1104 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) [2022-02-18 15:36:01,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1105 states to 1105 states and 2018 transitions. [2022-02-18 15:36:01,963 INFO L78 Accepts]: Start accepts. Automaton has 1105 states and 2018 transitions. Word has length 110 [2022-02-18 15:36:01,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:36:01,963 INFO L470 AbstractCegarLoop]: Abstraction has 1105 states and 2018 transitions. [2022-02-18 15:36:01,963 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:01,963 INFO L276 IsEmpty]: Start isEmpty. Operand 1105 states and 2018 transitions. [2022-02-18 15:36:01,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-02-18 15:36:01,964 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:36:01,964 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:36:01,964 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-02-18 15:36:01,964 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:36:01,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:36:01,965 INFO L85 PathProgramCache]: Analyzing trace with hash -347285014, now seen corresponding path program 1 times [2022-02-18 15:36:01,965 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:36:01,965 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2086563747] [2022-02-18 15:36:01,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:36:01,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:36:01,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:36:02,318 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:36:02,319 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:36:02,319 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2086563747] [2022-02-18 15:36:02,319 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2086563747] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:36:02,319 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:36:02,319 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:36:02,319 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [162284694] [2022-02-18 15:36:02,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:36:02,319 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:36:02,319 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:36:02,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:36:02,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:36:02,320 INFO L87 Difference]: Start difference. First operand 1105 states and 2018 transitions. Second operand has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:02,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:36:02,755 INFO L93 Difference]: Finished difference Result 1224 states and 2236 transitions. [2022-02-18 15:36:02,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-18 15:36:02,755 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-02-18 15:36:02,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:36:02,757 INFO L225 Difference]: With dead ends: 1224 [2022-02-18 15:36:02,757 INFO L226 Difference]: Without dead ends: 1217 [2022-02-18 15:36:02,757 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=50, Invalid=82, Unknown=0, NotChecked=0, Total=132 [2022-02-18 15:36:02,758 INFO L933 BasicCegarLoop]: 171 mSDtfsCounter, 169 mSDsluCounter, 454 mSDsCounter, 0 mSdLazyCounter, 476 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 169 SdHoareTripleChecker+Valid, 623 SdHoareTripleChecker+Invalid, 533 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 476 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-18 15:36:02,758 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [169 Valid, 623 Invalid, 533 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 476 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-18 15:36:02,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1217 states. [2022-02-18 15:36:02,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1217 to 1121. [2022-02-18 15:36:02,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1121 states, 1114 states have (on average 1.8393177737881508) internal successors, (2049), 1120 states have internal predecessors, (2049), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:02,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1121 states to 1121 states and 2049 transitions. [2022-02-18 15:36:02,768 INFO L78 Accepts]: Start accepts. Automaton has 1121 states and 2049 transitions. Word has length 110 [2022-02-18 15:36:02,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:36:02,768 INFO L470 AbstractCegarLoop]: Abstraction has 1121 states and 2049 transitions. [2022-02-18 15:36:02,769 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:02,769 INFO L276 IsEmpty]: Start isEmpty. Operand 1121 states and 2049 transitions. [2022-02-18 15:36:02,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-02-18 15:36:02,778 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:36:02,779 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] [2022-02-18 15:36:02,779 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-02-18 15:36:02,779 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:36:02,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:36:02,779 INFO L85 PathProgramCache]: Analyzing trace with hash 1081675656, now seen corresponding path program 2 times [2022-02-18 15:36:02,779 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:36:02,779 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1098589329] [2022-02-18 15:36:02,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:36:02,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:36:02,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:36:03,210 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:36:03,210 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:36:03,210 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1098589329] [2022-02-18 15:36:03,210 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1098589329] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:36:03,210 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:36:03,210 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:36:03,210 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [387410025] [2022-02-18 15:36:03,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:36:03,211 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:36:03,211 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:36:03,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:36:03,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:36:03,211 INFO L87 Difference]: Start difference. First operand 1121 states and 2049 transitions. Second operand has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:04,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:36:04,089 INFO L93 Difference]: Finished difference Result 1453 states and 2653 transitions. [2022-02-18 15:36:04,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-18 15:36:04,090 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-02-18 15:36:04,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:36:04,092 INFO L225 Difference]: With dead ends: 1453 [2022-02-18 15:36:04,092 INFO L226 Difference]: Without dead ends: 1446 [2022-02-18 15:36:04,092 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=117, Invalid=225, Unknown=0, NotChecked=0, Total=342 [2022-02-18 15:36:04,092 INFO L933 BasicCegarLoop]: 172 mSDtfsCounter, 215 mSDsluCounter, 589 mSDsCounter, 0 mSdLazyCounter, 682 mSolverCounterSat, 96 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 215 SdHoareTripleChecker+Valid, 759 SdHoareTripleChecker+Invalid, 778 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 96 IncrementalHoareTripleChecker+Valid, 682 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-18 15:36:04,092 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [215 Valid, 759 Invalid, 778 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [96 Valid, 682 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-18 15:36:04,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1446 states. [2022-02-18 15:36:04,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1446 to 1122. [2022-02-18 15:36:04,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1122 states, 1115 states have (on average 1.8394618834080718) internal successors, (2051), 1121 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) [2022-02-18 15:36:04,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1122 states to 1122 states and 2051 transitions. [2022-02-18 15:36:04,106 INFO L78 Accepts]: Start accepts. Automaton has 1122 states and 2051 transitions. Word has length 110 [2022-02-18 15:36:04,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:36:04,106 INFO L470 AbstractCegarLoop]: Abstraction has 1122 states and 2051 transitions. [2022-02-18 15:36:04,106 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:04,106 INFO L276 IsEmpty]: Start isEmpty. Operand 1122 states and 2051 transitions. [2022-02-18 15:36:04,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-02-18 15:36:04,107 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:36:04,107 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] [2022-02-18 15:36:04,107 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-02-18 15:36:04,107 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:36:04,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:36:04,108 INFO L85 PathProgramCache]: Analyzing trace with hash 1609696764, now seen corresponding path program 3 times [2022-02-18 15:36:04,108 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:36:04,108 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [92274573] [2022-02-18 15:36:04,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:36:04,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:36:04,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:36:04,459 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:36:04,460 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:36:04,460 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [92274573] [2022-02-18 15:36:04,460 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [92274573] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:36:04,460 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:36:04,460 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:36:04,460 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1467995034] [2022-02-18 15:36:04,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:36:04,460 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:36:04,460 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:36:04,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:36:04,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:36:04,461 INFO L87 Difference]: Start difference. First operand 1122 states and 2051 transitions. Second operand has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:04,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:36:04,942 INFO L93 Difference]: Finished difference Result 1287 states and 2356 transitions. [2022-02-18 15:36:04,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-18 15:36:04,942 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-02-18 15:36:04,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:36:04,944 INFO L225 Difference]: With dead ends: 1287 [2022-02-18 15:36:04,944 INFO L226 Difference]: Without dead ends: 1273 [2022-02-18 15:36:04,944 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=74, Invalid=136, Unknown=0, NotChecked=0, Total=210 [2022-02-18 15:36:04,945 INFO L933 BasicCegarLoop]: 174 mSDtfsCounter, 185 mSDsluCounter, 518 mSDsCounter, 0 mSdLazyCounter, 540 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 185 SdHoareTripleChecker+Valid, 690 SdHoareTripleChecker+Invalid, 611 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 540 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-18 15:36:04,945 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [185 Valid, 690 Invalid, 611 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 540 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-18 15:36:04,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1273 states. [2022-02-18 15:36:04,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1273 to 1140. [2022-02-18 15:36:04,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1140 states, 1133 states have (on average 1.8411297440423655) internal successors, (2086), 1139 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) [2022-02-18 15:36:04,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1140 states to 1140 states and 2086 transitions. [2022-02-18 15:36:04,957 INFO L78 Accepts]: Start accepts. Automaton has 1140 states and 2086 transitions. Word has length 110 [2022-02-18 15:36:04,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:36:04,957 INFO L470 AbstractCegarLoop]: Abstraction has 1140 states and 2086 transitions. [2022-02-18 15:36:04,957 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:04,957 INFO L276 IsEmpty]: Start isEmpty. Operand 1140 states and 2086 transitions. [2022-02-18 15:36:04,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-02-18 15:36:04,959 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:36:04,959 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:36:04,959 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-02-18 15:36:04,959 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:36:04,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:36:04,959 INFO L85 PathProgramCache]: Analyzing trace with hash -1066179186, now seen corresponding path program 4 times [2022-02-18 15:36:04,959 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:36:04,960 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1471949906] [2022-02-18 15:36:04,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:36:04,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:36:04,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:36:05,389 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:36:05,389 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:36:05,389 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1471949906] [2022-02-18 15:36:05,389 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1471949906] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:36:05,389 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:36:05,389 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:36:05,389 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358590327] [2022-02-18 15:36:05,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:36:05,390 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:36:05,390 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:36:05,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:36:05,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:36:05,391 INFO L87 Difference]: Start difference. First operand 1140 states and 2086 transitions. Second operand has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:06,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:36:06,177 INFO L93 Difference]: Finished difference Result 1487 states and 2727 transitions. [2022-02-18 15:36:06,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-18 15:36:06,178 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-02-18 15:36:06,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:36:06,180 INFO L225 Difference]: With dead ends: 1487 [2022-02-18 15:36:06,180 INFO L226 Difference]: Without dead ends: 1480 [2022-02-18 15:36:06,181 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=128, Invalid=252, Unknown=0, NotChecked=0, Total=380 [2022-02-18 15:36:06,181 INFO L933 BasicCegarLoop]: 163 mSDtfsCounter, 209 mSDsluCounter, 463 mSDsCounter, 0 mSdLazyCounter, 587 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 209 SdHoareTripleChecker+Valid, 623 SdHoareTripleChecker+Invalid, 689 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 587 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-18 15:36:06,181 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [209 Valid, 623 Invalid, 689 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 587 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-18 15:36:06,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1480 states. [2022-02-18 15:36:06,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1480 to 1142. [2022-02-18 15:36:06,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1142 states, 1135 states have (on average 1.841409691629956) internal successors, (2090), 1141 states have internal predecessors, (2090), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:06,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1142 states to 1142 states and 2090 transitions. [2022-02-18 15:36:06,194 INFO L78 Accepts]: Start accepts. Automaton has 1142 states and 2090 transitions. Word has length 110 [2022-02-18 15:36:06,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:36:06,194 INFO L470 AbstractCegarLoop]: Abstraction has 1142 states and 2090 transitions. [2022-02-18 15:36:06,194 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:06,195 INFO L276 IsEmpty]: Start isEmpty. Operand 1142 states and 2090 transitions. [2022-02-18 15:36:06,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-02-18 15:36:06,196 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:36:06,196 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:36:06,196 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-02-18 15:36:06,196 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:36:06,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:36:06,196 INFO L85 PathProgramCache]: Analyzing trace with hash -538158078, now seen corresponding path program 5 times [2022-02-18 15:36:06,197 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:36:06,197 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126995002] [2022-02-18 15:36:06,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:36:06,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:36:06,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:36:06,624 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:36:06,624 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:36:06,624 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [126995002] [2022-02-18 15:36:06,624 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [126995002] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:36:06,624 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:36:06,624 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:36:06,624 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1232228366] [2022-02-18 15:36:06,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:36:06,625 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:36:06,625 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:36:06,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:36:06,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:36:06,625 INFO L87 Difference]: Start difference. First operand 1142 states and 2090 transitions. Second operand has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:07,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:36:07,375 INFO L93 Difference]: Finished difference Result 1549 states and 2845 transitions. [2022-02-18 15:36:07,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-18 15:36:07,375 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-02-18 15:36:07,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:36:07,378 INFO L225 Difference]: With dead ends: 1549 [2022-02-18 15:36:07,378 INFO L226 Difference]: Without dead ends: 1535 [2022-02-18 15:36:07,379 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=114, Invalid=228, Unknown=0, NotChecked=0, Total=342 [2022-02-18 15:36:07,379 INFO L933 BasicCegarLoop]: 165 mSDtfsCounter, 207 mSDsluCounter, 524 mSDsCounter, 0 mSdLazyCounter, 582 mSolverCounterSat, 114 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 207 SdHoareTripleChecker+Valid, 686 SdHoareTripleChecker+Invalid, 696 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 114 IncrementalHoareTripleChecker+Valid, 582 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-18 15:36:07,379 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [207 Valid, 686 Invalid, 696 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [114 Valid, 582 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-18 15:36:07,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1535 states. [2022-02-18 15:36:07,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1535 to 1141. [2022-02-18 15:36:07,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1141 states, 1134 states have (on average 1.8412698412698412) internal successors, (2088), 1140 states have internal predecessors, (2088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:07,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1141 states to 1141 states and 2088 transitions. [2022-02-18 15:36:07,391 INFO L78 Accepts]: Start accepts. Automaton has 1141 states and 2088 transitions. Word has length 110 [2022-02-18 15:36:07,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:36:07,391 INFO L470 AbstractCegarLoop]: Abstraction has 1141 states and 2088 transitions. [2022-02-18 15:36:07,391 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:07,391 INFO L276 IsEmpty]: Start isEmpty. Operand 1141 states and 2088 transitions. [2022-02-18 15:36:07,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-02-18 15:36:07,392 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:36:07,392 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:36:07,393 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-02-18 15:36:07,393 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:36:07,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:36:07,393 INFO L85 PathProgramCache]: Analyzing trace with hash 1059393834, now seen corresponding path program 6 times [2022-02-18 15:36:07,393 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:36:07,393 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378740982] [2022-02-18 15:36:07,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:36:07,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:36:07,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:36:07,798 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:36:07,798 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:36:07,798 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [378740982] [2022-02-18 15:36:07,798 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [378740982] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:36:07,798 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:36:07,798 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:36:07,798 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590530401] [2022-02-18 15:36:07,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:36:07,798 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:36:07,798 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:36:07,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:36:07,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:36:07,799 INFO L87 Difference]: Start difference. First operand 1141 states and 2088 transitions. Second operand has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:08,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:36:08,370 INFO L93 Difference]: Finished difference Result 1335 states and 2449 transitions. [2022-02-18 15:36:08,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-18 15:36:08,372 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-02-18 15:36:08,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:36:08,374 INFO L225 Difference]: With dead ends: 1335 [2022-02-18 15:36:08,374 INFO L226 Difference]: Without dead ends: 1314 [2022-02-18 15:36:08,374 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=81, Invalid=159, Unknown=0, NotChecked=0, Total=240 [2022-02-18 15:36:08,375 INFO L933 BasicCegarLoop]: 167 mSDtfsCounter, 179 mSDsluCounter, 485 mSDsCounter, 0 mSdLazyCounter, 534 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 179 SdHoareTripleChecker+Valid, 650 SdHoareTripleChecker+Invalid, 616 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 534 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-18 15:36:08,375 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [179 Valid, 650 Invalid, 616 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 534 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-18 15:36:08,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1314 states. [2022-02-18 15:36:08,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1314 to 1159. [2022-02-18 15:36:08,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1159 states, 1152 states have (on average 1.8428819444444444) internal successors, (2123), 1158 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) [2022-02-18 15:36:08,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1159 states to 1159 states and 2123 transitions. [2022-02-18 15:36:08,386 INFO L78 Accepts]: Start accepts. Automaton has 1159 states and 2123 transitions. Word has length 110 [2022-02-18 15:36:08,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:36:08,386 INFO L470 AbstractCegarLoop]: Abstraction has 1159 states and 2123 transitions. [2022-02-18 15:36:08,386 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:08,386 INFO L276 IsEmpty]: Start isEmpty. Operand 1159 states and 2123 transitions. [2022-02-18 15:36:08,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-02-18 15:36:08,387 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:36:08,387 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:36:08,387 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-02-18 15:36:08,388 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:36:08,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:36:08,388 INFO L85 PathProgramCache]: Analyzing trace with hash 841263638, now seen corresponding path program 7 times [2022-02-18 15:36:08,388 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:36:08,388 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739029517] [2022-02-18 15:36:08,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:36:08,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:36:08,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:36:08,840 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:36:08,840 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:36:08,840 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [739029517] [2022-02-18 15:36:08,840 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [739029517] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:36:08,840 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:36:08,840 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:36:08,840 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [698441142] [2022-02-18 15:36:08,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:36:08,841 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:36:08,841 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:36:08,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:36:08,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:36:08,841 INFO L87 Difference]: Start difference. First operand 1159 states and 2123 transitions. Second operand has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:09,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:36:09,736 INFO L93 Difference]: Finished difference Result 1513 states and 2785 transitions. [2022-02-18 15:36:09,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-18 15:36:09,736 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-02-18 15:36:09,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:36:09,738 INFO L225 Difference]: With dead ends: 1513 [2022-02-18 15:36:09,738 INFO L226 Difference]: Without dead ends: 1506 [2022-02-18 15:36:09,738 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=142, Invalid=278, Unknown=0, NotChecked=0, Total=420 [2022-02-18 15:36:09,739 INFO L933 BasicCegarLoop]: 150 mSDtfsCounter, 199 mSDsluCounter, 476 mSDsCounter, 0 mSdLazyCounter, 580 mSolverCounterSat, 115 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 199 SdHoareTripleChecker+Valid, 623 SdHoareTripleChecker+Invalid, 695 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 115 IncrementalHoareTripleChecker+Valid, 580 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-18 15:36:09,739 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [199 Valid, 623 Invalid, 695 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [115 Valid, 580 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-18 15:36:09,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1506 states. [2022-02-18 15:36:09,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1506 to 1162. [2022-02-18 15:36:09,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1162 states, 1155 states have (on average 1.8432900432900432) internal successors, (2129), 1161 states have internal predecessors, (2129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:09,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1162 states to 1162 states and 2129 transitions. [2022-02-18 15:36:09,765 INFO L78 Accepts]: Start accepts. Automaton has 1162 states and 2129 transitions. Word has length 110 [2022-02-18 15:36:09,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:36:09,766 INFO L470 AbstractCegarLoop]: Abstraction has 1162 states and 2129 transitions. [2022-02-18 15:36:09,766 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:09,766 INFO L276 IsEmpty]: Start isEmpty. Operand 1162 states and 2129 transitions. [2022-02-18 15:36:09,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-02-18 15:36:09,767 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:36:09,767 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] [2022-02-18 15:36:09,767 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-02-18 15:36:09,767 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:36:09,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:36:09,768 INFO L85 PathProgramCache]: Analyzing trace with hash 1369284746, now seen corresponding path program 8 times [2022-02-18 15:36:09,768 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:36:09,768 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [699534032] [2022-02-18 15:36:09,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:36:09,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:36:09,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:36:10,238 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:36:10,238 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:36:10,238 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [699534032] [2022-02-18 15:36:10,238 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [699534032] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:36:10,238 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:36:10,238 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:36:10,238 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441277544] [2022-02-18 15:36:10,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:36:10,238 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:36:10,238 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:36:10,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:36:10,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:36:10,239 INFO L87 Difference]: Start difference. First operand 1162 states and 2129 transitions. Second operand has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:11,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:36:11,109 INFO L93 Difference]: Finished difference Result 1575 states and 2903 transitions. [2022-02-18 15:36:11,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-18 15:36:11,109 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-02-18 15:36:11,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:36:11,111 INFO L225 Difference]: With dead ends: 1575 [2022-02-18 15:36:11,111 INFO L226 Difference]: Without dead ends: 1561 [2022-02-18 15:36:11,111 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=127, Invalid=253, Unknown=0, NotChecked=0, Total=380 [2022-02-18 15:36:11,112 INFO L933 BasicCegarLoop]: 152 mSDtfsCounter, 196 mSDsluCounter, 578 mSDsCounter, 0 mSdLazyCounter, 667 mSolverCounterSat, 108 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 196 SdHoareTripleChecker+Valid, 727 SdHoareTripleChecker+Invalid, 775 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 108 IncrementalHoareTripleChecker+Valid, 667 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-18 15:36:11,112 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [196 Valid, 727 Invalid, 775 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [108 Valid, 667 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-18 15:36:11,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1561 states. [2022-02-18 15:36:11,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1561 to 1161. [2022-02-18 15:36:11,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1161 states, 1154 states have (on average 1.84315424610052) internal successors, (2127), 1160 states have internal predecessors, (2127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:11,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1161 states to 1161 states and 2127 transitions. [2022-02-18 15:36:11,123 INFO L78 Accepts]: Start accepts. Automaton has 1161 states and 2127 transitions. Word has length 110 [2022-02-18 15:36:11,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:36:11,123 INFO L470 AbstractCegarLoop]: Abstraction has 1161 states and 2127 transitions. [2022-02-18 15:36:11,123 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:11,123 INFO L276 IsEmpty]: Start isEmpty. Operand 1161 states and 2127 transitions. [2022-02-18 15:36:11,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-02-18 15:36:11,124 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:36:11,124 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:36:11,124 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-02-18 15:36:11,124 INFO L402 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:36:11,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:36:11,125 INFO L85 PathProgramCache]: Analyzing trace with hash -1328130638, now seen corresponding path program 9 times [2022-02-18 15:36:11,125 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:36:11,125 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732062535] [2022-02-18 15:36:11,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:36:11,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:36:11,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:36:11,575 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:36:11,575 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:36:11,575 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [732062535] [2022-02-18 15:36:11,575 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [732062535] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:36:11,575 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:36:11,575 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:36:11,575 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752357031] [2022-02-18 15:36:11,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:36:11,576 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:36:11,576 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:36:11,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:36:11,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:36:11,576 INFO L87 Difference]: Start difference. First operand 1161 states and 2127 transitions. Second operand has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:12,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:36:12,192 INFO L93 Difference]: Finished difference Result 1622 states and 2994 transitions. [2022-02-18 15:36:12,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-18 15:36:12,192 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-02-18 15:36:12,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:36:12,194 INFO L225 Difference]: With dead ends: 1622 [2022-02-18 15:36:12,194 INFO L226 Difference]: Without dead ends: 1601 [2022-02-18 15:36:12,195 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=113, Invalid=229, Unknown=0, NotChecked=0, Total=342 [2022-02-18 15:36:12,195 INFO L933 BasicCegarLoop]: 154 mSDtfsCounter, 229 mSDsluCounter, 317 mSDsCounter, 0 mSdLazyCounter, 424 mSolverCounterSat, 126 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 229 SdHoareTripleChecker+Valid, 469 SdHoareTripleChecker+Invalid, 550 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 126 IncrementalHoareTripleChecker+Valid, 424 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-18 15:36:12,195 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [229 Valid, 469 Invalid, 550 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [126 Valid, 424 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-18 15:36:12,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1601 states. [2022-02-18 15:36:12,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1601 to 1160. [2022-02-18 15:36:12,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1160 states, 1153 states have (on average 1.8430182133564614) internal successors, (2125), 1159 states have internal predecessors, (2125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:12,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1160 states to 1160 states and 2125 transitions. [2022-02-18 15:36:12,208 INFO L78 Accepts]: Start accepts. Automaton has 1160 states and 2125 transitions. Word has length 110 [2022-02-18 15:36:12,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:36:12,209 INFO L470 AbstractCegarLoop]: Abstraction has 1160 states and 2125 transitions. [2022-02-18 15:36:12,209 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:12,209 INFO L276 IsEmpty]: Start isEmpty. Operand 1160 states and 2125 transitions. [2022-02-18 15:36:12,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-02-18 15:36:12,210 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:36:12,210 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:36:12,210 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-02-18 15:36:12,210 INFO L402 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:36:12,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:36:12,211 INFO L85 PathProgramCache]: Analyzing trace with hash 2088485180, now seen corresponding path program 10 times [2022-02-18 15:36:12,211 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:36:12,211 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1146919929] [2022-02-18 15:36:12,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:36:12,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:36:12,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:36:12,635 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:36:12,635 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:36:12,635 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1146919929] [2022-02-18 15:36:12,635 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1146919929] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:36:12,635 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:36:12,635 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:36:12,635 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612164767] [2022-02-18 15:36:12,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:36:12,636 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:36:12,636 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:36:12,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:36:12,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:36:12,636 INFO L87 Difference]: Start difference. First operand 1160 states and 2125 transitions. Second operand has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:13,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:36:13,174 INFO L93 Difference]: Finished difference Result 1383 states and 2542 transitions. [2022-02-18 15:36:13,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-18 15:36:13,175 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-02-18 15:36:13,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:36:13,177 INFO L225 Difference]: With dead ends: 1383 [2022-02-18 15:36:13,177 INFO L226 Difference]: Without dead ends: 1355 [2022-02-18 15:36:13,177 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=90, Invalid=182, Unknown=0, NotChecked=0, Total=272 [2022-02-18 15:36:13,177 INFO L933 BasicCegarLoop]: 154 mSDtfsCounter, 170 mSDsluCounter, 462 mSDsCounter, 0 mSdLazyCounter, 496 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 613 SdHoareTripleChecker+Invalid, 583 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 496 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-18 15:36:13,177 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [170 Valid, 613 Invalid, 583 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 496 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-18 15:36:13,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1355 states. [2022-02-18 15:36:13,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1355 to 1178. [2022-02-18 15:36:13,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1178 states, 1171 states have (on average 1.8445772843723314) internal successors, (2160), 1177 states have internal predecessors, (2160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:13,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1178 states to 1178 states and 2160 transitions. [2022-02-18 15:36:13,188 INFO L78 Accepts]: Start accepts. Automaton has 1178 states and 2160 transitions. Word has length 110 [2022-02-18 15:36:13,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:36:13,188 INFO L470 AbstractCegarLoop]: Abstraction has 1178 states and 2160 transitions. [2022-02-18 15:36:13,188 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:13,188 INFO L276 IsEmpty]: Start isEmpty. Operand 1178 states and 2160 transitions. [2022-02-18 15:36:13,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-02-18 15:36:13,189 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:36:13,189 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:36:13,190 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-02-18 15:36:13,191 INFO L402 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:36:13,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:36:13,191 INFO L85 PathProgramCache]: Analyzing trace with hash 330556564, now seen corresponding path program 11 times [2022-02-18 15:36:13,191 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:36:13,191 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018199867] [2022-02-18 15:36:13,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:36:13,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:36:13,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:36:13,722 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:36:13,722 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:36:13,722 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2018199867] [2022-02-18 15:36:13,722 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2018199867] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:36:13,722 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:36:13,722 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:36:13,722 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102381810] [2022-02-18 15:36:13,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:36:13,724 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:36:13,724 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:36:13,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:36:13,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:36:13,726 INFO L87 Difference]: Start difference. First operand 1178 states and 2160 transitions. Second operand has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:14,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:36:14,273 INFO L93 Difference]: Finished difference Result 1649 states and 3022 transitions. [2022-02-18 15:36:14,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-18 15:36:14,273 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-02-18 15:36:14,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:36:14,275 INFO L225 Difference]: With dead ends: 1649 [2022-02-18 15:36:14,275 INFO L226 Difference]: Without dead ends: 1642 [2022-02-18 15:36:14,275 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=109, Invalid=197, Unknown=0, NotChecked=0, Total=306 [2022-02-18 15:36:14,276 INFO L933 BasicCegarLoop]: 129 mSDtfsCounter, 251 mSDsluCounter, 280 mSDsCounter, 0 mSdLazyCounter, 425 mSolverCounterSat, 92 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 251 SdHoareTripleChecker+Valid, 407 SdHoareTripleChecker+Invalid, 517 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 92 IncrementalHoareTripleChecker+Valid, 425 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-18 15:36:14,276 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [251 Valid, 407 Invalid, 517 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [92 Valid, 425 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-18 15:36:14,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1642 states. [2022-02-18 15:36:14,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1642 to 1177. [2022-02-18 15:36:14,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1177 states, 1170 states have (on average 1.8444444444444446) internal successors, (2158), 1176 states have internal predecessors, (2158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:14,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1177 states to 1177 states and 2158 transitions. [2022-02-18 15:36:14,288 INFO L78 Accepts]: Start accepts. Automaton has 1177 states and 2158 transitions. Word has length 110 [2022-02-18 15:36:14,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:36:14,288 INFO L470 AbstractCegarLoop]: Abstraction has 1177 states and 2158 transitions. [2022-02-18 15:36:14,288 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:14,288 INFO L276 IsEmpty]: Start isEmpty. Operand 1177 states and 2158 transitions. [2022-02-18 15:36:14,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-02-18 15:36:14,289 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:36:14,289 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:36:14,290 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-02-18 15:36:14,290 INFO L402 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:36:14,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:36:14,290 INFO L85 PathProgramCache]: Analyzing trace with hash 858577672, now seen corresponding path program 12 times [2022-02-18 15:36:14,290 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:36:14,291 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [576574047] [2022-02-18 15:36:14,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:36:14,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:36:14,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:36:14,849 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:36:14,849 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:36:14,849 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [576574047] [2022-02-18 15:36:14,849 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [576574047] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:36:14,849 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:36:14,849 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:36:14,849 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611396529] [2022-02-18 15:36:14,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:36:14,850 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:36:14,851 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:36:14,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:36:14,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:36:14,851 INFO L87 Difference]: Start difference. First operand 1177 states and 2158 transitions. Second operand has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:15,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:36:15,446 INFO L93 Difference]: Finished difference Result 1711 states and 3140 transitions. [2022-02-18 15:36:15,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-18 15:36:15,446 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-02-18 15:36:15,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:36:15,448 INFO L225 Difference]: With dead ends: 1711 [2022-02-18 15:36:15,448 INFO L226 Difference]: Without dead ends: 1697 [2022-02-18 15:36:15,448 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=107, Invalid=199, Unknown=0, NotChecked=0, Total=306 [2022-02-18 15:36:15,449 INFO L933 BasicCegarLoop]: 131 mSDtfsCounter, 242 mSDsluCounter, 289 mSDsCounter, 0 mSdLazyCounter, 454 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 242 SdHoareTripleChecker+Valid, 418 SdHoareTripleChecker+Invalid, 539 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 454 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-18 15:36:15,449 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [242 Valid, 418 Invalid, 539 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 454 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-18 15:36:15,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1697 states. [2022-02-18 15:36:15,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1697 to 1176. [2022-02-18 15:36:15,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1176 states, 1169 states have (on average 1.844311377245509) internal successors, (2156), 1175 states have internal predecessors, (2156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:15,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1176 states to 1176 states and 2156 transitions. [2022-02-18 15:36:15,460 INFO L78 Accepts]: Start accepts. Automaton has 1176 states and 2156 transitions. Word has length 110 [2022-02-18 15:36:15,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:36:15,460 INFO L470 AbstractCegarLoop]: Abstraction has 1176 states and 2156 transitions. [2022-02-18 15:36:15,460 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:15,460 INFO L276 IsEmpty]: Start isEmpty. Operand 1176 states and 2156 transitions. [2022-02-18 15:36:15,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-02-18 15:36:15,462 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:36:15,462 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:36:15,462 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2022-02-18 15:36:15,462 INFO L402 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:36:15,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:36:15,462 INFO L85 PathProgramCache]: Analyzing trace with hash -1838837712, now seen corresponding path program 13 times [2022-02-18 15:36:15,462 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:36:15,462 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113651448] [2022-02-18 15:36:15,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:36:15,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:36:15,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:36:15,898 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:36:15,898 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:36:15,898 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1113651448] [2022-02-18 15:36:15,899 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1113651448] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:36:15,899 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:36:15,899 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:36:15,899 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834221504] [2022-02-18 15:36:15,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:36:15,899 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:36:15,899 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:36:15,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:36:15,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:36:15,899 INFO L87 Difference]: Start difference. First operand 1176 states and 2156 transitions. Second operand has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:16,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:36:16,544 INFO L93 Difference]: Finished difference Result 1758 states and 3231 transitions. [2022-02-18 15:36:16,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-18 15:36:16,544 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-02-18 15:36:16,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:36:16,546 INFO L225 Difference]: With dead ends: 1758 [2022-02-18 15:36:16,546 INFO L226 Difference]: Without dead ends: 1737 [2022-02-18 15:36:16,546 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=105, Invalid=201, Unknown=0, NotChecked=0, Total=306 [2022-02-18 15:36:16,546 INFO L933 BasicCegarLoop]: 133 mSDtfsCounter, 241 mSDsluCounter, 370 mSDsCounter, 0 mSdLazyCounter, 524 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 241 SdHoareTripleChecker+Valid, 501 SdHoareTripleChecker+Invalid, 615 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 524 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-18 15:36:16,546 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [241 Valid, 501 Invalid, 615 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 524 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-18 15:36:16,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1737 states. [2022-02-18 15:36:16,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1737 to 1175. [2022-02-18 15:36:16,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1175 states, 1168 states have (on average 1.8441780821917808) internal successors, (2154), 1174 states have internal predecessors, (2154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:16,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1175 states to 1175 states and 2154 transitions. [2022-02-18 15:36:16,557 INFO L78 Accepts]: Start accepts. Automaton has 1175 states and 2154 transitions. Word has length 110 [2022-02-18 15:36:16,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:36:16,557 INFO L470 AbstractCegarLoop]: Abstraction has 1175 states and 2154 transitions. [2022-02-18 15:36:16,558 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:16,558 INFO L276 IsEmpty]: Start isEmpty. Operand 1175 states and 2154 transitions. [2022-02-18 15:36:16,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-02-18 15:36:16,559 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:36:16,559 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] [2022-02-18 15:36:16,559 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2022-02-18 15:36:16,559 INFO L402 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:36:16,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:36:16,560 INFO L85 PathProgramCache]: Analyzing trace with hash 1577778106, now seen corresponding path program 14 times [2022-02-18 15:36:16,560 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:36:16,560 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647271138] [2022-02-18 15:36:16,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:36:16,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:36:16,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:36:16,991 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:36:16,991 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:36:16,991 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1647271138] [2022-02-18 15:36:16,991 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1647271138] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:36:16,991 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:36:16,991 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:36:16,992 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1217526621] [2022-02-18 15:36:16,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:36:16,992 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:36:16,992 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:36:16,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:36:16,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:36:16,992 INFO L87 Difference]: Start difference. First operand 1175 states and 2154 transitions. Second operand has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:17,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:36:17,530 INFO L93 Difference]: Finished difference Result 1805 states and 3322 transitions. [2022-02-18 15:36:17,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-18 15:36:17,531 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-02-18 15:36:17,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:36:17,533 INFO L225 Difference]: With dead ends: 1805 [2022-02-18 15:36:17,533 INFO L226 Difference]: Without dead ends: 1777 [2022-02-18 15:36:17,533 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=103, Invalid=203, Unknown=0, NotChecked=0, Total=306 [2022-02-18 15:36:17,533 INFO L933 BasicCegarLoop]: 133 mSDtfsCounter, 225 mSDsluCounter, 450 mSDsCounter, 0 mSdLazyCounter, 568 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 225 SdHoareTripleChecker+Valid, 581 SdHoareTripleChecker+Invalid, 656 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 568 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-18 15:36:17,533 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [225 Valid, 581 Invalid, 656 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 568 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-18 15:36:17,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1777 states. [2022-02-18 15:36:17,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1777 to 1174. [2022-02-18 15:36:17,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1174 states, 1167 states have (on average 1.844044558697515) internal successors, (2152), 1173 states have internal predecessors, (2152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:17,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1174 states to 1174 states and 2152 transitions. [2022-02-18 15:36:17,560 INFO L78 Accepts]: Start accepts. Automaton has 1174 states and 2152 transitions. Word has length 110 [2022-02-18 15:36:17,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:36:17,560 INFO L470 AbstractCegarLoop]: Abstraction has 1174 states and 2152 transitions. [2022-02-18 15:36:17,560 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:17,560 INFO L276 IsEmpty]: Start isEmpty. Operand 1174 states and 2152 transitions. [2022-02-18 15:36:17,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-02-18 15:36:17,562 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:36:17,562 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:36:17,562 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2022-02-18 15:36:17,562 INFO L402 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:36:17,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:36:17,562 INFO L85 PathProgramCache]: Analyzing trace with hash -934609174, now seen corresponding path program 15 times [2022-02-18 15:36:17,562 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:36:17,563 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1489925815] [2022-02-18 15:36:17,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:36:17,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:36:17,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:36:17,974 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:36:17,974 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:36:17,974 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1489925815] [2022-02-18 15:36:17,975 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1489925815] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:36:17,975 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:36:17,975 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:36:17,975 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [223310193] [2022-02-18 15:36:17,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:36:17,975 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:36:17,975 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:36:17,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:36:17,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:36:17,976 INFO L87 Difference]: Start difference. First operand 1174 states and 2152 transitions. Second operand has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:18,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:36:18,488 INFO L93 Difference]: Finished difference Result 1615 states and 2935 transitions. [2022-02-18 15:36:18,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-18 15:36:18,488 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-02-18 15:36:18,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:36:18,490 INFO L225 Difference]: With dead ends: 1615 [2022-02-18 15:36:18,490 INFO L226 Difference]: Without dead ends: 1587 [2022-02-18 15:36:18,491 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=101, Invalid=205, Unknown=0, NotChecked=0, Total=306 [2022-02-18 15:36:18,491 INFO L933 BasicCegarLoop]: 134 mSDtfsCounter, 229 mSDsluCounter, 371 mSDsCounter, 0 mSdLazyCounter, 480 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 229 SdHoareTripleChecker+Valid, 503 SdHoareTripleChecker+Invalid, 547 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 480 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-18 15:36:18,491 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [229 Valid, 503 Invalid, 547 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 480 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-18 15:36:18,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1587 states. [2022-02-18 15:36:18,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1587 to 1142. [2022-02-18 15:36:18,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1142 states, 1135 states have (on average 1.839647577092511) internal successors, (2088), 1141 states have internal predecessors, (2088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:18,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1142 states to 1142 states and 2088 transitions. [2022-02-18 15:36:18,503 INFO L78 Accepts]: Start accepts. Automaton has 1142 states and 2088 transitions. Word has length 110 [2022-02-18 15:36:18,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:36:18,504 INFO L470 AbstractCegarLoop]: Abstraction has 1142 states and 2088 transitions. [2022-02-18 15:36:18,504 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:18,504 INFO L276 IsEmpty]: Start isEmpty. Operand 1142 states and 2088 transitions. [2022-02-18 15:36:18,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-02-18 15:36:18,505 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:36:18,505 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:36:18,505 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2022-02-18 15:36:18,505 INFO L402 AbstractCegarLoop]: === Iteration 42 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:36:18,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:36:18,505 INFO L85 PathProgramCache]: Analyzing trace with hash -1325303053, now seen corresponding path program 1 times [2022-02-18 15:36:18,505 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:36:18,506 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1773943841] [2022-02-18 15:36:18,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:36:18,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:36:18,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:36:18,609 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:36:18,609 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:36:18,609 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1773943841] [2022-02-18 15:36:18,609 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1773943841] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:36:18,609 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:36:18,610 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:36:18,610 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1419034874] [2022-02-18 15:36:18,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:36:18,610 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:36:18,610 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:36:18,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:36:18,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:36:18,610 INFO L87 Difference]: Start difference. First operand 1142 states and 2088 transitions. Second operand has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:19,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:36:19,030 INFO L93 Difference]: Finished difference Result 1511 states and 2738 transitions. [2022-02-18 15:36:19,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-18 15:36:19,030 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-02-18 15:36:19,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:36:19,032 INFO L225 Difference]: With dead ends: 1511 [2022-02-18 15:36:19,032 INFO L226 Difference]: Without dead ends: 1511 [2022-02-18 15:36:19,032 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=123, Invalid=257, Unknown=0, NotChecked=0, Total=380 [2022-02-18 15:36:19,032 INFO L933 BasicCegarLoop]: 123 mSDtfsCounter, 231 mSDsluCounter, 356 mSDsCounter, 0 mSdLazyCounter, 512 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 231 SdHoareTripleChecker+Valid, 478 SdHoareTripleChecker+Invalid, 552 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 512 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-18 15:36:19,032 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [231 Valid, 478 Invalid, 552 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 512 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-18 15:36:19,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1511 states. [2022-02-18 15:36:19,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1511 to 1145. [2022-02-18 15:36:19,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1145 states, 1138 states have (on average 1.8400702987697715) internal successors, (2094), 1144 states have internal predecessors, (2094), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:19,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1145 states to 1145 states and 2094 transitions. [2022-02-18 15:36:19,044 INFO L78 Accepts]: Start accepts. Automaton has 1145 states and 2094 transitions. Word has length 110 [2022-02-18 15:36:19,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:36:19,044 INFO L470 AbstractCegarLoop]: Abstraction has 1145 states and 2094 transitions. [2022-02-18 15:36:19,044 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:19,044 INFO L276 IsEmpty]: Start isEmpty. Operand 1145 states and 2094 transitions. [2022-02-18 15:36:19,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-02-18 15:36:19,045 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:36:19,045 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] [2022-02-18 15:36:19,045 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2022-02-18 15:36:19,045 INFO L402 AbstractCegarLoop]: === Iteration 43 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:36:19,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:36:19,046 INFO L85 PathProgramCache]: Analyzing trace with hash -1292235043, now seen corresponding path program 2 times [2022-02-18 15:36:19,046 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:36:19,046 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [31016028] [2022-02-18 15:36:19,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:36:19,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:36:19,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:36:19,178 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:36:19,178 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:36:19,178 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [31016028] [2022-02-18 15:36:19,178 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [31016028] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:36:19,179 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:36:19,179 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:36:19,179 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1662731204] [2022-02-18 15:36:19,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:36:19,179 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:36:19,179 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:36:19,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:36:19,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:36:19,180 INFO L87 Difference]: Start difference. First operand 1145 states and 2094 transitions. Second operand has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:19,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:36:19,677 INFO L93 Difference]: Finished difference Result 1506 states and 2728 transitions. [2022-02-18 15:36:19,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-18 15:36:19,678 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-02-18 15:36:19,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:36:19,679 INFO L225 Difference]: With dead ends: 1506 [2022-02-18 15:36:19,679 INFO L226 Difference]: Without dead ends: 1506 [2022-02-18 15:36:19,680 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=91, Invalid=181, Unknown=0, NotChecked=0, Total=272 [2022-02-18 15:36:19,680 INFO L933 BasicCegarLoop]: 115 mSDtfsCounter, 179 mSDsluCounter, 550 mSDsCounter, 0 mSdLazyCounter, 720 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 179 SdHoareTripleChecker+Valid, 664 SdHoareTripleChecker+Invalid, 748 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 720 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-18 15:36:19,680 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [179 Valid, 664 Invalid, 748 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 720 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-18 15:36:19,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1506 states. [2022-02-18 15:36:19,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1506 to 1149. [2022-02-18 15:36:19,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1149 states, 1142 states have (on average 1.840630472854641) internal successors, (2102), 1148 states have internal predecessors, (2102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:19,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1149 states to 1149 states and 2102 transitions. [2022-02-18 15:36:19,692 INFO L78 Accepts]: Start accepts. Automaton has 1149 states and 2102 transitions. Word has length 110 [2022-02-18 15:36:19,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:36:19,692 INFO L470 AbstractCegarLoop]: Abstraction has 1149 states and 2102 transitions. [2022-02-18 15:36:19,692 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:19,692 INFO L276 IsEmpty]: Start isEmpty. Operand 1149 states and 2102 transitions. [2022-02-18 15:36:19,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-02-18 15:36:19,693 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:36:19,693 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:36:19,693 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2022-02-18 15:36:19,693 INFO L402 AbstractCegarLoop]: === Iteration 44 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:36:19,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:36:19,694 INFO L85 PathProgramCache]: Analyzing trace with hash -1291139503, now seen corresponding path program 3 times [2022-02-18 15:36:19,694 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:36:19,694 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [173454974] [2022-02-18 15:36:19,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:36:19,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:36:19,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:36:19,861 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:36:19,861 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:36:19,861 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [173454974] [2022-02-18 15:36:19,861 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [173454974] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:36:19,861 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:36:19,861 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:36:19,861 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [35544563] [2022-02-18 15:36:19,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:36:19,861 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:36:19,861 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:36:19,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:36:19,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:36:19,862 INFO L87 Difference]: Start difference. First operand 1149 states and 2102 transitions. Second operand has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:20,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:36:20,337 INFO L93 Difference]: Finished difference Result 1501 states and 2718 transitions. [2022-02-18 15:36:20,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-18 15:36:20,338 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-02-18 15:36:20,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:36:20,339 INFO L225 Difference]: With dead ends: 1501 [2022-02-18 15:36:20,339 INFO L226 Difference]: Without dead ends: 1501 [2022-02-18 15:36:20,339 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=91, Invalid=181, Unknown=0, NotChecked=0, Total=272 [2022-02-18 15:36:20,340 INFO L933 BasicCegarLoop]: 115 mSDtfsCounter, 170 mSDsluCounter, 449 mSDsCounter, 0 mSdLazyCounter, 679 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 563 SdHoareTripleChecker+Invalid, 703 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 679 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-18 15:36:20,340 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [170 Valid, 563 Invalid, 703 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 679 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-18 15:36:20,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1501 states. [2022-02-18 15:36:20,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1501 to 1153. [2022-02-18 15:36:20,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1153 states, 1146 states have (on average 1.8411867364746946) internal successors, (2110), 1152 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) [2022-02-18 15:36:20,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1153 states to 1153 states and 2110 transitions. [2022-02-18 15:36:20,351 INFO L78 Accepts]: Start accepts. Automaton has 1153 states and 2110 transitions. Word has length 110 [2022-02-18 15:36:20,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:36:20,351 INFO L470 AbstractCegarLoop]: Abstraction has 1153 states and 2110 transitions. [2022-02-18 15:36:20,351 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:20,351 INFO L276 IsEmpty]: Start isEmpty. Operand 1153 states and 2110 transitions. [2022-02-18 15:36:20,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-02-18 15:36:20,352 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:36:20,352 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:36:20,352 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2022-02-18 15:36:20,353 INFO L402 AbstractCegarLoop]: === Iteration 45 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:36:20,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:36:20,353 INFO L85 PathProgramCache]: Analyzing trace with hash -1291103233, now seen corresponding path program 4 times [2022-02-18 15:36:20,353 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:36:20,353 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1002550643] [2022-02-18 15:36:20,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:36:20,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:36:20,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:36:20,652 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:36:20,652 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:36:20,652 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1002550643] [2022-02-18 15:36:20,652 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1002550643] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:36:20,652 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:36:20,652 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-18 15:36:20,652 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [740215368] [2022-02-18 15:36:20,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:36:20,652 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-18 15:36:20,653 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:36:20,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-18 15:36:20,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2022-02-18 15:36:20,653 INFO L87 Difference]: Start difference. First operand 1153 states and 2110 transitions. Second operand has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:21,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:36:21,057 INFO L93 Difference]: Finished difference Result 1496 states and 2709 transitions. [2022-02-18 15:36:21,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-18 15:36:21,057 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-02-18 15:36:21,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:36:21,059 INFO L225 Difference]: With dead ends: 1496 [2022-02-18 15:36:21,059 INFO L226 Difference]: Without dead ends: 1496 [2022-02-18 15:36:21,059 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=103, Invalid=203, Unknown=0, NotChecked=0, Total=306 [2022-02-18 15:36:21,059 INFO L933 BasicCegarLoop]: 116 mSDtfsCounter, 241 mSDsluCounter, 326 mSDsCounter, 0 mSdLazyCounter, 474 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 241 SdHoareTripleChecker+Valid, 442 SdHoareTripleChecker+Invalid, 511 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 474 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-18 15:36:21,060 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [241 Valid, 442 Invalid, 511 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 474 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-18 15:36:21,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1496 states. [2022-02-18 15:36:21,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1496 to 1161. [2022-02-18 15:36:21,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1161 states, 1154 states have (on average 1.8353552859618718) internal successors, (2118), 1160 states have internal predecessors, (2118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:21,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1161 states to 1161 states and 2118 transitions. [2022-02-18 15:36:21,073 INFO L78 Accepts]: Start accepts. Automaton has 1161 states and 2118 transitions. Word has length 110 [2022-02-18 15:36:21,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:36:21,073 INFO L470 AbstractCegarLoop]: Abstraction has 1161 states and 2118 transitions. [2022-02-18 15:36:21,073 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:21,073 INFO L276 IsEmpty]: Start isEmpty. Operand 1161 states and 2118 transitions. [2022-02-18 15:36:21,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-02-18 15:36:21,074 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:36:21,074 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:36:21,074 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2022-02-18 15:36:21,074 INFO L402 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:36:21,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:36:21,075 INFO L85 PathProgramCache]: Analyzing trace with hash -661546646, now seen corresponding path program 17 times [2022-02-18 15:36:21,075 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:36:21,075 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [246188805] [2022-02-18 15:36:21,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:36:21,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:36:21,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:36:21,343 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:36:21,343 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:36:21,343 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [246188805] [2022-02-18 15:36:21,344 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [246188805] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:36:21,344 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:36:21,344 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:36:21,344 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [241040784] [2022-02-18 15:36:21,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:36:21,344 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:36:21,344 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:36:21,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:36:21,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:36:21,344 INFO L87 Difference]: Start difference. First operand 1161 states and 2118 transitions. Second operand has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:21,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:36:21,728 INFO L93 Difference]: Finished difference Result 1533 states and 2776 transitions. [2022-02-18 15:36:21,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-18 15:36:21,728 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-02-18 15:36:21,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:36:21,730 INFO L225 Difference]: With dead ends: 1533 [2022-02-18 15:36:21,730 INFO L226 Difference]: Without dead ends: 1533 [2022-02-18 15:36:21,730 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2022-02-18 15:36:21,730 INFO L933 BasicCegarLoop]: 113 mSDtfsCounter, 175 mSDsluCounter, 265 mSDsCounter, 0 mSdLazyCounter, 571 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 377 SdHoareTripleChecker+Invalid, 591 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 571 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-18 15:36:21,730 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [175 Valid, 377 Invalid, 591 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 571 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-18 15:36:21,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1533 states. [2022-02-18 15:36:21,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1533 to 1142. [2022-02-18 15:36:21,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1142 states, 1135 states have (on average 1.8334801762114536) internal successors, (2081), 1141 states have internal predecessors, (2081), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:21,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1142 states to 1142 states and 2081 transitions. [2022-02-18 15:36:21,743 INFO L78 Accepts]: Start accepts. Automaton has 1142 states and 2081 transitions. Word has length 110 [2022-02-18 15:36:21,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:36:21,743 INFO L470 AbstractCegarLoop]: Abstraction has 1142 states and 2081 transitions. [2022-02-18 15:36:21,743 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:21,743 INFO L276 IsEmpty]: Start isEmpty. Operand 1142 states and 2081 transitions. [2022-02-18 15:36:21,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-02-18 15:36:21,744 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:36:21,744 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:36:21,744 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2022-02-18 15:36:21,744 INFO L402 AbstractCegarLoop]: === Iteration 47 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:36:21,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:36:21,745 INFO L85 PathProgramCache]: Analyzing trace with hash -1404654586, now seen corresponding path program 2 times [2022-02-18 15:36:21,745 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:36:21,745 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1823830552] [2022-02-18 15:36:21,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:36:21,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:36:21,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:36:21,989 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:36:21,990 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:36:21,990 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1823830552] [2022-02-18 15:36:21,990 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1823830552] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:36:21,990 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:36:21,990 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:36:21,990 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2124362485] [2022-02-18 15:36:21,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:36:21,990 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:36:21,990 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:36:21,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:36:21,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:36:21,991 INFO L87 Difference]: Start difference. First operand 1142 states and 2081 transitions. Second operand has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:22,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:36:22,361 INFO L93 Difference]: Finished difference Result 1590 states and 2886 transitions. [2022-02-18 15:36:22,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-18 15:36:22,361 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-02-18 15:36:22,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:36:22,363 INFO L225 Difference]: With dead ends: 1590 [2022-02-18 15:36:22,363 INFO L226 Difference]: Without dead ends: 1590 [2022-02-18 15:36:22,363 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 [2022-02-18 15:36:22,364 INFO L933 BasicCegarLoop]: 115 mSDtfsCounter, 183 mSDsluCounter, 331 mSDsCounter, 0 mSdLazyCounter, 525 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 446 SdHoareTripleChecker+Invalid, 567 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 525 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-18 15:36:22,364 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [183 Valid, 446 Invalid, 567 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 525 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-18 15:36:22,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1590 states. [2022-02-18 15:36:22,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1590 to 1186. [2022-02-18 15:36:22,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1186 states, 1179 states have (on average 1.8396946564885497) internal successors, (2169), 1185 states have internal predecessors, (2169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:22,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1186 states to 1186 states and 2169 transitions. [2022-02-18 15:36:22,375 INFO L78 Accepts]: Start accepts. Automaton has 1186 states and 2169 transitions. Word has length 110 [2022-02-18 15:36:22,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:36:22,375 INFO L470 AbstractCegarLoop]: Abstraction has 1186 states and 2169 transitions. [2022-02-18 15:36:22,375 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:22,375 INFO L276 IsEmpty]: Start isEmpty. Operand 1186 states and 2169 transitions. [2022-02-18 15:36:22,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-02-18 15:36:22,376 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:36:22,377 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] [2022-02-18 15:36:22,378 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2022-02-18 15:36:22,378 INFO L402 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:36:22,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:36:22,378 INFO L85 PathProgramCache]: Analyzing trace with hash 451291516, now seen corresponding path program 16 times [2022-02-18 15:36:22,378 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:36:22,378 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1403686292] [2022-02-18 15:36:22,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:36:22,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:36:22,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:36:22,830 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:36:22,831 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:36:22,831 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1403686292] [2022-02-18 15:36:22,831 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1403686292] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:36:22,831 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:36:22,831 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:36:22,831 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [562427523] [2022-02-18 15:36:22,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:36:22,831 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:36:22,831 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:36:22,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:36:22,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:36:22,832 INFO L87 Difference]: Start difference. First operand 1186 states and 2169 transitions. Second operand has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:23,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:36:23,292 INFO L93 Difference]: Finished difference Result 1661 states and 3025 transitions. [2022-02-18 15:36:23,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-18 15:36:23,292 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-02-18 15:36:23,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:36:23,294 INFO L225 Difference]: With dead ends: 1661 [2022-02-18 15:36:23,294 INFO L226 Difference]: Without dead ends: 1633 [2022-02-18 15:36:23,294 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=60, Invalid=96, Unknown=0, NotChecked=0, Total=156 [2022-02-18 15:36:23,294 INFO L933 BasicCegarLoop]: 136 mSDtfsCounter, 275 mSDsluCounter, 335 mSDsCounter, 0 mSdLazyCounter, 488 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 275 SdHoareTripleChecker+Valid, 470 SdHoareTripleChecker+Invalid, 548 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 488 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-18 15:36:23,294 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [275 Valid, 470 Invalid, 548 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 488 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-18 15:36:23,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1633 states. [2022-02-18 15:36:23,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1633 to 1221. [2022-02-18 15:36:23,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1221 states, 1214 states have (on average 1.843492586490939) internal successors, (2238), 1220 states have internal predecessors, (2238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:23,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1221 states to 1221 states and 2238 transitions. [2022-02-18 15:36:23,305 INFO L78 Accepts]: Start accepts. Automaton has 1221 states and 2238 transitions. Word has length 110 [2022-02-18 15:36:23,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:36:23,305 INFO L470 AbstractCegarLoop]: Abstraction has 1221 states and 2238 transitions. [2022-02-18 15:36:23,305 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:23,305 INFO L276 IsEmpty]: Start isEmpty. Operand 1221 states and 2238 transitions. [2022-02-18 15:36:23,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-02-18 15:36:23,306 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:36:23,306 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:36:23,306 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2022-02-18 15:36:23,307 INFO L402 AbstractCegarLoop]: === Iteration 49 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:36:23,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:36:23,307 INFO L85 PathProgramCache]: Analyzing trace with hash 60597637, now seen corresponding path program 5 times [2022-02-18 15:36:23,307 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:36:23,307 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [539228630] [2022-02-18 15:36:23,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:36:23,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:36:23,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:36:23,417 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:36:23,417 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:36:23,417 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [539228630] [2022-02-18 15:36:23,417 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [539228630] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:36:23,417 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:36:23,417 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:36:23,418 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390475566] [2022-02-18 15:36:23,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:36:23,418 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:36:23,418 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:36:23,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:36:23,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:36:23,418 INFO L87 Difference]: Start difference. First operand 1221 states and 2238 transitions. Second operand has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:24,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:36:24,047 INFO L93 Difference]: Finished difference Result 1640 states and 2986 transitions. [2022-02-18 15:36:24,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-18 15:36:24,047 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-02-18 15:36:24,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:36:24,049 INFO L225 Difference]: With dead ends: 1640 [2022-02-18 15:36:24,049 INFO L226 Difference]: Without dead ends: 1640 [2022-02-18 15:36:24,049 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=192, Unknown=0, NotChecked=0, Total=306 [2022-02-18 15:36:24,050 INFO L933 BasicCegarLoop]: 133 mSDtfsCounter, 239 mSDsluCounter, 552 mSDsCounter, 0 mSdLazyCounter, 961 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 239 SdHoareTripleChecker+Valid, 685 SdHoareTripleChecker+Invalid, 993 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 961 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-18 15:36:24,050 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [239 Valid, 685 Invalid, 993 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 961 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-18 15:36:24,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1640 states. [2022-02-18 15:36:24,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1640 to 1220. [2022-02-18 15:36:24,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1220 states, 1213 states have (on average 1.843363561417972) internal successors, (2236), 1219 states have internal predecessors, (2236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:24,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1220 states to 1220 states and 2236 transitions. [2022-02-18 15:36:24,062 INFO L78 Accepts]: Start accepts. Automaton has 1220 states and 2236 transitions. Word has length 110 [2022-02-18 15:36:24,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:36:24,062 INFO L470 AbstractCegarLoop]: Abstraction has 1220 states and 2236 transitions. [2022-02-18 15:36:24,062 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:24,062 INFO L276 IsEmpty]: Start isEmpty. Operand 1220 states and 2236 transitions. [2022-02-18 15:36:24,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-02-18 15:36:24,063 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:36:24,063 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:36:24,063 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2022-02-18 15:36:24,063 INFO L402 AbstractCegarLoop]: === Iteration 50 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:36:24,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:36:24,064 INFO L85 PathProgramCache]: Analyzing trace with hash 93665647, now seen corresponding path program 6 times [2022-02-18 15:36:24,064 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:36:24,064 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1990292830] [2022-02-18 15:36:24,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:36:24,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:36:24,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:36:24,195 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:36:24,196 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:36:24,196 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1990292830] [2022-02-18 15:36:24,196 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1990292830] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:36:24,196 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:36:24,196 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:36:24,196 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [296601710] [2022-02-18 15:36:24,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:36:24,196 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:36:24,196 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:36:24,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:36:24,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:36:24,197 INFO L87 Difference]: Start difference. First operand 1220 states and 2236 transitions. Second operand has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:24,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:36:24,570 INFO L93 Difference]: Finished difference Result 1647 states and 2996 transitions. [2022-02-18 15:36:24,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-18 15:36:24,571 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-02-18 15:36:24,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:36:24,572 INFO L225 Difference]: With dead ends: 1647 [2022-02-18 15:36:24,572 INFO L226 Difference]: Without dead ends: 1647 [2022-02-18 15:36:24,573 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=97, Unknown=0, NotChecked=0, Total=156 [2022-02-18 15:36:24,573 INFO L933 BasicCegarLoop]: 113 mSDtfsCounter, 191 mSDsluCounter, 395 mSDsCounter, 0 mSdLazyCounter, 608 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 191 SdHoareTripleChecker+Valid, 508 SdHoareTripleChecker+Invalid, 629 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 608 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-18 15:36:24,573 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [191 Valid, 508 Invalid, 629 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 608 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-18 15:36:24,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1647 states. [2022-02-18 15:36:24,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1647 to 1226. [2022-02-18 15:36:24,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1226 states, 1219 states have (on average 1.8441345365053323) internal successors, (2248), 1225 states have internal predecessors, (2248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:24,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1226 states to 1226 states and 2248 transitions. [2022-02-18 15:36:24,584 INFO L78 Accepts]: Start accepts. Automaton has 1226 states and 2248 transitions. Word has length 110 [2022-02-18 15:36:24,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:36:24,585 INFO L470 AbstractCegarLoop]: Abstraction has 1226 states and 2248 transitions. [2022-02-18 15:36:24,585 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:24,585 INFO L276 IsEmpty]: Start isEmpty. Operand 1226 states and 2248 transitions. [2022-02-18 15:36:24,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-02-18 15:36:24,586 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:36:24,586 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] [2022-02-18 15:36:24,586 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2022-02-18 15:36:24,586 INFO L402 AbstractCegarLoop]: === Iteration 51 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:36:24,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:36:24,586 INFO L85 PathProgramCache]: Analyzing trace with hash 94761187, now seen corresponding path program 7 times [2022-02-18 15:36:24,586 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:36:24,586 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174190002] [2022-02-18 15:36:24,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:36:24,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:36:24,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:36:24,749 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:36:24,750 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:36:24,750 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [174190002] [2022-02-18 15:36:24,750 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [174190002] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:36:24,750 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:36:24,750 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:36:24,750 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785846160] [2022-02-18 15:36:24,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:36:24,750 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:36:24,750 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:36:24,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:36:24,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:36:24,750 INFO L87 Difference]: Start difference. First operand 1226 states and 2248 transitions. Second operand has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:25,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:36:25,053 INFO L93 Difference]: Finished difference Result 1642 states and 2986 transitions. [2022-02-18 15:36:25,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-18 15:36:25,054 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-02-18 15:36:25,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:36:25,055 INFO L225 Difference]: With dead ends: 1642 [2022-02-18 15:36:25,056 INFO L226 Difference]: Without dead ends: 1642 [2022-02-18 15:36:25,056 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=81, Unknown=0, NotChecked=0, Total=132 [2022-02-18 15:36:25,056 INFO L933 BasicCegarLoop]: 113 mSDtfsCounter, 197 mSDsluCounter, 239 mSDsCounter, 0 mSdLazyCounter, 439 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 197 SdHoareTripleChecker+Valid, 352 SdHoareTripleChecker+Invalid, 461 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 439 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-18 15:36:25,056 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [197 Valid, 352 Invalid, 461 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 439 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-18 15:36:25,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1642 states. [2022-02-18 15:36:25,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1642 to 1229. [2022-02-18 15:36:25,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1229 states, 1222 states have (on average 1.8445171849427169) internal successors, (2254), 1228 states have internal predecessors, (2254), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:25,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1229 states to 1229 states and 2254 transitions. [2022-02-18 15:36:25,069 INFO L78 Accepts]: Start accepts. Automaton has 1229 states and 2254 transitions. Word has length 110 [2022-02-18 15:36:25,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:36:25,069 INFO L470 AbstractCegarLoop]: Abstraction has 1229 states and 2254 transitions. [2022-02-18 15:36:25,069 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:25,069 INFO L276 IsEmpty]: Start isEmpty. Operand 1229 states and 2254 transitions. [2022-02-18 15:36:25,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-02-18 15:36:25,085 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:36:25,085 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:36:25,085 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2022-02-18 15:36:25,085 INFO L402 AbstractCegarLoop]: === Iteration 52 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:36:25,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:36:25,085 INFO L85 PathProgramCache]: Analyzing trace with hash 94797457, now seen corresponding path program 8 times [2022-02-18 15:36:25,085 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:36:25,086 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1082426567] [2022-02-18 15:36:25,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:36:25,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:36:25,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:36:25,337 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:36:25,337 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:36:25,337 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1082426567] [2022-02-18 15:36:25,338 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1082426567] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:36:25,338 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:36:25,338 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:36:25,338 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [331761532] [2022-02-18 15:36:25,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:36:25,338 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:36:25,338 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:36:25,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:36:25,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:36:25,338 INFO L87 Difference]: Start difference. First operand 1229 states and 2254 transitions. Second operand has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:25,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:36:25,626 INFO L93 Difference]: Finished difference Result 1637 states and 2977 transitions. [2022-02-18 15:36:25,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-18 15:36:25,626 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-02-18 15:36:25,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:36:25,627 INFO L225 Difference]: With dead ends: 1637 [2022-02-18 15:36:25,628 INFO L226 Difference]: Without dead ends: 1637 [2022-02-18 15:36:25,628 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2022-02-18 15:36:25,628 INFO L933 BasicCegarLoop]: 113 mSDtfsCounter, 214 mSDsluCounter, 263 mSDsCounter, 0 mSdLazyCounter, 566 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 214 SdHoareTripleChecker+Valid, 376 SdHoareTripleChecker+Invalid, 589 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 566 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-18 15:36:25,628 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [214 Valid, 376 Invalid, 589 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 566 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-18 15:36:25,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1637 states. [2022-02-18 15:36:25,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1637 to 1079. [2022-02-18 15:36:25,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1079 states, 1072 states have (on average 1.8274253731343284) internal successors, (1959), 1078 states have internal predecessors, (1959), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:25,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1079 states to 1079 states and 1959 transitions. [2022-02-18 15:36:25,638 INFO L78 Accepts]: Start accepts. Automaton has 1079 states and 1959 transitions. Word has length 110 [2022-02-18 15:36:25,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:36:25,638 INFO L470 AbstractCegarLoop]: Abstraction has 1079 states and 1959 transitions. [2022-02-18 15:36:25,638 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:25,638 INFO L276 IsEmpty]: Start isEmpty. Operand 1079 states and 1959 transitions. [2022-02-18 15:36:25,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-02-18 15:36:25,639 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:36:25,639 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] [2022-02-18 15:36:25,639 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2022-02-18 15:36:25,639 INFO L402 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:36:25,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:36:25,640 INFO L85 PathProgramCache]: Analyzing trace with hash -1609272518, now seen corresponding path program 18 times [2022-02-18 15:36:25,640 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:36:25,640 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443185044] [2022-02-18 15:36:25,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:36:25,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:36:25,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:36:25,931 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:36:25,931 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:36:25,931 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [443185044] [2022-02-18 15:36:25,931 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [443185044] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:36:25,931 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:36:25,931 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:36:25,931 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [370712259] [2022-02-18 15:36:25,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:36:25,931 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:36:25,932 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:36:25,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:36:25,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:36:25,932 INFO L87 Difference]: Start difference. First operand 1079 states and 1959 transitions. Second operand has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:26,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:36:26,370 INFO L93 Difference]: Finished difference Result 1130 states and 2043 transitions. [2022-02-18 15:36:26,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-18 15:36:26,370 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-02-18 15:36:26,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:36:26,371 INFO L225 Difference]: With dead ends: 1130 [2022-02-18 15:36:26,371 INFO L226 Difference]: Without dead ends: 1130 [2022-02-18 15:36:26,372 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=49, Invalid=61, Unknown=0, NotChecked=0, Total=110 [2022-02-18 15:36:26,372 INFO L933 BasicCegarLoop]: 101 mSDtfsCounter, 141 mSDsluCounter, 334 mSDsCounter, 0 mSdLazyCounter, 615 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 434 SdHoareTripleChecker+Invalid, 639 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 615 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-18 15:36:26,372 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [141 Valid, 434 Invalid, 639 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 615 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-18 15:36:26,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1130 states. [2022-02-18 15:36:26,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1130 to 1078. [2022-02-18 15:36:26,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1078 states, 1071 states have (on average 1.8281979458450046) internal successors, (1958), 1077 states have internal predecessors, (1958), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:26,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1078 states to 1078 states and 1958 transitions. [2022-02-18 15:36:26,381 INFO L78 Accepts]: Start accepts. Automaton has 1078 states and 1958 transitions. Word has length 110 [2022-02-18 15:36:26,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:36:26,381 INFO L470 AbstractCegarLoop]: Abstraction has 1078 states and 1958 transitions. [2022-02-18 15:36:26,382 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:26,382 INFO L276 IsEmpty]: Start isEmpty. Operand 1078 states and 1958 transitions. [2022-02-18 15:36:26,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-02-18 15:36:26,382 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:36:26,383 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] [2022-02-18 15:36:26,383 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2022-02-18 15:36:26,383 INFO L402 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:36:26,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:36:26,383 INFO L85 PathProgramCache]: Analyzing trace with hash 662589142, now seen corresponding path program 19 times [2022-02-18 15:36:26,383 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:36:26,383 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [939544209] [2022-02-18 15:36:26,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:36:26,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:36:26,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:36:26,885 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:36:26,885 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:36:26,885 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [939544209] [2022-02-18 15:36:26,885 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [939544209] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:36:26,885 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:36:26,885 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-02-18 15:36:26,885 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1407430998] [2022-02-18 15:36:26,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:36:26,885 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-02-18 15:36:26,886 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:36:26,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-02-18 15:36:26,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2022-02-18 15:36:26,886 INFO L87 Difference]: Start difference. First operand 1078 states and 1958 transitions. Second operand has 19 states, 18 states have (on average 3.611111111111111) internal successors, (65), 19 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:28,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:36:28,549 INFO L93 Difference]: Finished difference Result 1755 states and 3215 transitions. [2022-02-18 15:36:28,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-02-18 15:36:28,549 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.611111111111111) internal successors, (65), 19 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-02-18 15:36:28,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:36:28,551 INFO L225 Difference]: With dead ends: 1755 [2022-02-18 15:36:28,551 INFO L226 Difference]: Without dead ends: 1755 [2022-02-18 15:36:28,552 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 473 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=422, Invalid=1558, Unknown=0, NotChecked=0, Total=1980 [2022-02-18 15:36:28,552 INFO L933 BasicCegarLoop]: 110 mSDtfsCounter, 697 mSDsluCounter, 626 mSDsCounter, 0 mSdLazyCounter, 1305 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 697 SdHoareTripleChecker+Valid, 735 SdHoareTripleChecker+Invalid, 1361 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 1305 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-02-18 15:36:28,552 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [697 Valid, 735 Invalid, 1361 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 1305 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-02-18 15:36:28,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1755 states. [2022-02-18 15:36:28,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1755 to 1077. [2022-02-18 15:36:28,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1077 states, 1070 states have (on average 1.82803738317757) internal successors, (1956), 1076 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) [2022-02-18 15:36:28,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1077 states to 1077 states and 1956 transitions. [2022-02-18 15:36:28,562 INFO L78 Accepts]: Start accepts. Automaton has 1077 states and 1956 transitions. Word has length 110 [2022-02-18 15:36:28,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:36:28,563 INFO L470 AbstractCegarLoop]: Abstraction has 1077 states and 1956 transitions. [2022-02-18 15:36:28,563 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.611111111111111) internal successors, (65), 19 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:28,563 INFO L276 IsEmpty]: Start isEmpty. Operand 1077 states and 1956 transitions. [2022-02-18 15:36:28,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-02-18 15:36:28,564 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:36:28,564 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:36:28,564 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2022-02-18 15:36:28,564 INFO L402 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:36:28,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:36:28,564 INFO L85 PathProgramCache]: Analyzing trace with hash -1067647484, now seen corresponding path program 20 times [2022-02-18 15:36:28,564 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:36:28,564 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1080796008] [2022-02-18 15:36:28,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:36:28,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:36:28,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:36:28,812 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:36:28,812 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:36:28,812 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1080796008] [2022-02-18 15:36:28,812 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1080796008] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:36:28,812 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:36:28,812 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:36:28,812 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [194278594] [2022-02-18 15:36:28,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:36:28,812 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:36:28,812 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:36:28,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:36:28,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:36:28,813 INFO L87 Difference]: Start difference. First operand 1077 states and 1956 transitions. Second operand has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:29,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:36:29,094 INFO L93 Difference]: Finished difference Result 1148 states and 2079 transitions. [2022-02-18 15:36:29,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-18 15:36:29,094 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-02-18 15:36:29,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:36:29,095 INFO L225 Difference]: With dead ends: 1148 [2022-02-18 15:36:29,095 INFO L226 Difference]: Without dead ends: 1148 [2022-02-18 15:36:29,095 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2022-02-18 15:36:29,096 INFO L933 BasicCegarLoop]: 98 mSDtfsCounter, 133 mSDsluCounter, 197 mSDsCounter, 0 mSdLazyCounter, 364 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 294 SdHoareTripleChecker+Invalid, 390 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 364 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-18 15:36:29,096 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [133 Valid, 294 Invalid, 390 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 364 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-18 15:36:29,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1148 states. [2022-02-18 15:36:29,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1148 to 1076. [2022-02-18 15:36:29,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1076 states, 1069 states have (on average 1.8278765201122544) internal successors, (1954), 1075 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) [2022-02-18 15:36:29,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1076 states to 1076 states and 1954 transitions. [2022-02-18 15:36:29,104 INFO L78 Accepts]: Start accepts. Automaton has 1076 states and 1954 transitions. Word has length 110 [2022-02-18 15:36:29,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:36:29,105 INFO L470 AbstractCegarLoop]: Abstraction has 1076 states and 1954 transitions. [2022-02-18 15:36:29,105 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:29,105 INFO L276 IsEmpty]: Start isEmpty. Operand 1076 states and 1954 transitions. [2022-02-18 15:36:29,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-02-18 15:36:29,106 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:36:29,106 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:36:29,106 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2022-02-18 15:36:29,106 INFO L402 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:36:29,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:36:29,106 INFO L85 PathProgramCache]: Analyzing trace with hash -562587324, now seen corresponding path program 21 times [2022-02-18 15:36:29,106 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:36:29,106 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [728213196] [2022-02-18 15:36:29,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:36:29,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:36:29,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:36:29,515 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:36:29,516 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:36:29,516 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [728213196] [2022-02-18 15:36:29,516 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [728213196] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:36:29,516 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:36:29,516 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-02-18 15:36:29,516 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1206657572] [2022-02-18 15:36:29,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:36:29,516 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-02-18 15:36:29,516 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:36:29,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-02-18 15:36:29,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=276, Unknown=0, NotChecked=0, Total=342 [2022-02-18 15:36:29,517 INFO L87 Difference]: Start difference. First operand 1076 states and 1954 transitions. Second operand has 19 states, 18 states have (on average 3.611111111111111) internal successors, (65), 19 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:30,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:36:30,893 INFO L93 Difference]: Finished difference Result 1713 states and 3134 transitions. [2022-02-18 15:36:30,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-02-18 15:36:30,894 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.611111111111111) internal successors, (65), 19 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-02-18 15:36:30,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:36:30,896 INFO L225 Difference]: With dead ends: 1713 [2022-02-18 15:36:30,896 INFO L226 Difference]: Without dead ends: 1713 [2022-02-18 15:36:30,896 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 294 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=305, Invalid=1101, Unknown=0, NotChecked=0, Total=1406 [2022-02-18 15:36:30,896 INFO L933 BasicCegarLoop]: 93 mSDtfsCounter, 567 mSDsluCounter, 773 mSDsCounter, 0 mSdLazyCounter, 1621 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 567 SdHoareTripleChecker+Valid, 865 SdHoareTripleChecker+Invalid, 1678 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 1621 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-02-18 15:36:30,896 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [567 Valid, 865 Invalid, 1678 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 1621 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-02-18 15:36:30,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1713 states. [2022-02-18 15:36:30,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1713 to 1050. [2022-02-18 15:36:30,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1050 states, 1043 states have (on average 1.8274209012464047) internal successors, (1906), 1049 states have internal predecessors, (1906), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:30,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1050 states to 1050 states and 1906 transitions. [2022-02-18 15:36:30,907 INFO L78 Accepts]: Start accepts. Automaton has 1050 states and 1906 transitions. Word has length 110 [2022-02-18 15:36:30,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:36:30,907 INFO L470 AbstractCegarLoop]: Abstraction has 1050 states and 1906 transitions. [2022-02-18 15:36:30,907 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.611111111111111) internal successors, (65), 19 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:30,907 INFO L276 IsEmpty]: Start isEmpty. Operand 1050 states and 1906 transitions. [2022-02-18 15:36:30,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-02-18 15:36:30,908 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:36:30,908 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:36:30,908 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2022-02-18 15:36:30,908 INFO L402 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:36:30,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:36:30,908 INFO L85 PathProgramCache]: Analyzing trace with hash 2078749440, now seen corresponding path program 17 times [2022-02-18 15:36:30,908 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:36:30,909 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1301164050] [2022-02-18 15:36:30,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:36:30,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:36:30,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:36:31,570 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:36:31,570 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:36:31,570 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1301164050] [2022-02-18 15:36:31,570 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1301164050] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:36:31,570 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:36:31,570 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:36:31,570 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [222330005] [2022-02-18 15:36:31,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:36:31,571 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:36:31,571 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:36:31,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:36:31,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:36:31,571 INFO L87 Difference]: Start difference. First operand 1050 states and 1906 transitions. Second operand has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:32,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:36:32,321 INFO L93 Difference]: Finished difference Result 1255 states and 2288 transitions. [2022-02-18 15:36:32,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-18 15:36:32,321 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-02-18 15:36:32,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:36:32,323 INFO L225 Difference]: With dead ends: 1255 [2022-02-18 15:36:32,323 INFO L226 Difference]: Without dead ends: 1248 [2022-02-18 15:36:32,323 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=100, Invalid=172, Unknown=0, NotChecked=0, Total=272 [2022-02-18 15:36:32,323 INFO L933 BasicCegarLoop]: 122 mSDtfsCounter, 203 mSDsluCounter, 330 mSDsCounter, 0 mSdLazyCounter, 524 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 203 SdHoareTripleChecker+Valid, 451 SdHoareTripleChecker+Invalid, 594 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 524 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-18 15:36:32,323 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [203 Valid, 451 Invalid, 594 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 524 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-18 15:36:32,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1248 states. [2022-02-18 15:36:32,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1248 to 1049. [2022-02-18 15:36:32,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1049 states, 1042 states have (on average 1.8272552783109406) internal successors, (1904), 1048 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) [2022-02-18 15:36:32,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1049 states to 1049 states and 1904 transitions. [2022-02-18 15:36:32,332 INFO L78 Accepts]: Start accepts. Automaton has 1049 states and 1904 transitions. Word has length 110 [2022-02-18 15:36:32,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:36:32,332 INFO L470 AbstractCegarLoop]: Abstraction has 1049 states and 1904 transitions. [2022-02-18 15:36:32,333 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:32,333 INFO L276 IsEmpty]: Start isEmpty. Operand 1049 states and 1904 transitions. [2022-02-18 15:36:32,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-02-18 15:36:32,333 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:36:32,333 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] [2022-02-18 15:36:32,334 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2022-02-18 15:36:32,334 INFO L402 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:36:32,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:36:32,334 INFO L85 PathProgramCache]: Analyzing trace with hash -1688196748, now seen corresponding path program 18 times [2022-02-18 15:36:32,334 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:36:32,334 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [214974995] [2022-02-18 15:36:32,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:36:32,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:36:32,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:36:32,853 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:36:32,853 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:36:32,853 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [214974995] [2022-02-18 15:36:32,853 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [214974995] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:36:32,853 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:36:32,853 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:36:32,853 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049678468] [2022-02-18 15:36:32,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:36:32,854 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:36:32,854 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:36:32,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:36:32,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:36:32,854 INFO L87 Difference]: Start difference. First operand 1049 states and 1904 transitions. Second operand has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:33,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:36:33,350 INFO L93 Difference]: Finished difference Result 1309 states and 2390 transitions. [2022-02-18 15:36:33,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-18 15:36:33,351 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-02-18 15:36:33,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:36:33,352 INFO L225 Difference]: With dead ends: 1309 [2022-02-18 15:36:33,353 INFO L226 Difference]: Without dead ends: 1295 [2022-02-18 15:36:33,353 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=90, Invalid=150, Unknown=0, NotChecked=0, Total=240 [2022-02-18 15:36:33,353 INFO L933 BasicCegarLoop]: 124 mSDtfsCounter, 212 mSDsluCounter, 332 mSDsCounter, 0 mSdLazyCounter, 534 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 212 SdHoareTripleChecker+Valid, 455 SdHoareTripleChecker+Invalid, 603 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 534 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-18 15:36:33,353 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [212 Valid, 455 Invalid, 603 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 534 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-18 15:36:33,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1295 states. [2022-02-18 15:36:33,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1295 to 1048. [2022-02-18 15:36:33,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1048 states, 1041 states have (on average 1.8270893371757926) internal successors, (1902), 1047 states have internal predecessors, (1902), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:33,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1048 states to 1048 states and 1902 transitions. [2022-02-18 15:36:33,370 INFO L78 Accepts]: Start accepts. Automaton has 1048 states and 1902 transitions. Word has length 110 [2022-02-18 15:36:33,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:36:33,371 INFO L470 AbstractCegarLoop]: Abstraction has 1048 states and 1902 transitions. [2022-02-18 15:36:33,371 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:33,371 INFO L276 IsEmpty]: Start isEmpty. Operand 1048 states and 1902 transitions. [2022-02-18 15:36:33,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-02-18 15:36:33,372 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:36:33,372 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:36:33,372 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2022-02-18 15:36:33,372 INFO L402 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:36:33,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:36:33,372 INFO L85 PathProgramCache]: Analyzing trace with hash -90644836, now seen corresponding path program 19 times [2022-02-18 15:36:33,373 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:36:33,373 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1534726380] [2022-02-18 15:36:33,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:36:33,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:36:33,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:36:33,846 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:36:33,846 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:36:33,847 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1534726380] [2022-02-18 15:36:33,847 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1534726380] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:36:33,847 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:36:33,847 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:36:33,847 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1229518579] [2022-02-18 15:36:33,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:36:33,847 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:36:33,847 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:36:33,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:36:33,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:36:33,848 INFO L87 Difference]: Start difference. First operand 1048 states and 1902 transitions. Second operand has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:34,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:36:34,432 INFO L93 Difference]: Finished difference Result 1356 states and 2481 transitions. [2022-02-18 15:36:34,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-18 15:36:34,432 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-02-18 15:36:34,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:36:34,433 INFO L225 Difference]: With dead ends: 1356 [2022-02-18 15:36:34,433 INFO L226 Difference]: Without dead ends: 1335 [2022-02-18 15:36:34,434 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=80, Invalid=130, Unknown=0, NotChecked=0, Total=210 [2022-02-18 15:36:34,434 INFO L933 BasicCegarLoop]: 126 mSDtfsCounter, 227 mSDsluCounter, 305 mSDsCounter, 0 mSdLazyCounter, 450 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 227 SdHoareTripleChecker+Valid, 430 SdHoareTripleChecker+Invalid, 525 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 450 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-18 15:36:34,434 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [227 Valid, 430 Invalid, 525 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 450 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-18 15:36:34,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1335 states. [2022-02-18 15:36:34,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1335 to 1047. [2022-02-18 15:36:34,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1047 states, 1040 states have (on average 1.8269230769230769) internal successors, (1900), 1046 states have internal predecessors, (1900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:34,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1047 states to 1047 states and 1900 transitions. [2022-02-18 15:36:34,443 INFO L78 Accepts]: Start accepts. Automaton has 1047 states and 1900 transitions. Word has length 110 [2022-02-18 15:36:34,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:36:34,443 INFO L470 AbstractCegarLoop]: Abstraction has 1047 states and 1900 transitions. [2022-02-18 15:36:34,443 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:34,443 INFO L276 IsEmpty]: Start isEmpty. Operand 1047 states and 1900 transitions. [2022-02-18 15:36:34,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-02-18 15:36:34,444 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:36:34,444 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] [2022-02-18 15:36:34,444 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2022-02-18 15:36:34,444 INFO L402 AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:36:34,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:36:34,444 INFO L85 PathProgramCache]: Analyzing trace with hash -968996314, now seen corresponding path program 20 times [2022-02-18 15:36:34,444 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:36:34,444 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [648084226] [2022-02-18 15:36:34,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:36:34,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:36:34,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:36:34,981 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:36:34,981 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:36:34,981 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [648084226] [2022-02-18 15:36:34,981 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [648084226] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:36:34,981 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:36:34,981 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:36:34,981 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302173797] [2022-02-18 15:36:34,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:36:34,981 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:36:34,981 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:36:34,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:36:34,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=53, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:36:34,982 INFO L87 Difference]: Start difference. First operand 1047 states and 1900 transitions. Second operand has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:35,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:36:35,536 INFO L93 Difference]: Finished difference Result 1284 states and 2346 transitions. [2022-02-18 15:36:35,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-18 15:36:35,537 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-02-18 15:36:35,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:36:35,538 INFO L225 Difference]: With dead ends: 1284 [2022-02-18 15:36:35,538 INFO L226 Difference]: Without dead ends: 1256 [2022-02-18 15:36:35,538 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=70, Invalid=112, Unknown=0, NotChecked=0, Total=182 [2022-02-18 15:36:35,538 INFO L933 BasicCegarLoop]: 126 mSDtfsCounter, 202 mSDsluCounter, 412 mSDsCounter, 0 mSdLazyCounter, 590 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 202 SdHoareTripleChecker+Valid, 537 SdHoareTripleChecker+Invalid, 660 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 590 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-18 15:36:35,539 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [202 Valid, 537 Invalid, 660 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 590 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-18 15:36:35,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1256 states. [2022-02-18 15:36:35,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1256 to 924. [2022-02-18 15:36:35,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 924 states, 919 states have (on average 1.8128400435255714) internal successors, (1666), 923 states have internal predecessors, (1666), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:35,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 924 states to 924 states and 1666 transitions. [2022-02-18 15:36:35,547 INFO L78 Accepts]: Start accepts. Automaton has 924 states and 1666 transitions. Word has length 110 [2022-02-18 15:36:35,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:36:35,547 INFO L470 AbstractCegarLoop]: Abstraction has 924 states and 1666 transitions. [2022-02-18 15:36:35,547 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:35,547 INFO L276 IsEmpty]: Start isEmpty. Operand 924 states and 1666 transitions. [2022-02-18 15:36:35,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-02-18 15:36:35,548 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:36:35,548 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:36:35,548 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2022-02-18 15:36:35,548 INFO L402 AbstractCegarLoop]: === Iteration 61 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:36:35,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:36:35,548 INFO L85 PathProgramCache]: Analyzing trace with hash 1810843363, now seen corresponding path program 9 times [2022-02-18 15:36:35,548 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:36:35,548 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [524746416] [2022-02-18 15:36:35,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:36:35,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:36:35,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:36:35,932 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:36:35,932 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:36:35,932 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [524746416] [2022-02-18 15:36:35,932 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [524746416] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:36:35,932 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:36:35,932 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:36:35,933 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [316436664] [2022-02-18 15:36:35,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:36:35,933 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:36:35,933 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:36:35,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:36:35,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:36:35,933 INFO L87 Difference]: Start difference. First operand 924 states and 1666 transitions. Second operand has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:36,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:36:36,210 INFO L93 Difference]: Finished difference Result 959 states and 1724 transitions. [2022-02-18 15:36:36,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-18 15:36:36,210 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-02-18 15:36:36,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:36:36,211 INFO L225 Difference]: With dead ends: 959 [2022-02-18 15:36:36,211 INFO L226 Difference]: Without dead ends: 959 [2022-02-18 15:36:36,212 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=49, Invalid=61, Unknown=0, NotChecked=0, Total=110 [2022-02-18 15:36:36,212 INFO L933 BasicCegarLoop]: 109 mSDtfsCounter, 140 mSDsluCounter, 218 mSDsCounter, 0 mSdLazyCounter, 365 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 327 SdHoareTripleChecker+Invalid, 398 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 365 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-18 15:36:36,212 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [140 Valid, 327 Invalid, 398 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 365 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-18 15:36:36,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 959 states. [2022-02-18 15:36:36,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 959 to 924. [2022-02-18 15:36:36,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 924 states, 919 states have (on average 1.8128400435255714) internal successors, (1666), 923 states have internal predecessors, (1666), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:36,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 924 states to 924 states and 1666 transitions. [2022-02-18 15:36:36,222 INFO L78 Accepts]: Start accepts. Automaton has 924 states and 1666 transitions. Word has length 110 [2022-02-18 15:36:36,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:36:36,222 INFO L470 AbstractCegarLoop]: Abstraction has 924 states and 1666 transitions. [2022-02-18 15:36:36,222 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:36,222 INFO L276 IsEmpty]: Start isEmpty. Operand 924 states and 1666 transitions. [2022-02-18 15:36:36,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-02-18 15:36:36,223 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:36:36,223 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:36:36,223 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2022-02-18 15:36:36,224 INFO L402 AbstractCegarLoop]: === Iteration 62 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:36:36,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:36:36,225 INFO L85 PathProgramCache]: Analyzing trace with hash 508678753, now seen corresponding path program 10 times [2022-02-18 15:36:36,225 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:36:36,225 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1881881363] [2022-02-18 15:36:36,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:36:36,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:36:36,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:36:36,583 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:36:36,584 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:36:36,584 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1881881363] [2022-02-18 15:36:36,584 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1881881363] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:36:36,584 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:36:36,584 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:36:36,584 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [960953719] [2022-02-18 15:36:36,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:36:36,584 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:36:36,584 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:36:36,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:36:36,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:36:36,585 INFO L87 Difference]: Start difference. First operand 924 states and 1666 transitions. Second operand has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:36,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:36:36,840 INFO L93 Difference]: Finished difference Result 963 states and 1732 transitions. [2022-02-18 15:36:36,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-18 15:36:36,840 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-02-18 15:36:36,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:36:36,841 INFO L225 Difference]: With dead ends: 963 [2022-02-18 15:36:36,841 INFO L226 Difference]: Without dead ends: 963 [2022-02-18 15:36:36,841 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-02-18 15:36:36,842 INFO L933 BasicCegarLoop]: 103 mSDtfsCounter, 137 mSDsluCounter, 227 mSDsCounter, 0 mSdLazyCounter, 355 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 330 SdHoareTripleChecker+Invalid, 382 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 355 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-18 15:36:36,842 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [137 Valid, 330 Invalid, 382 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 355 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-18 15:36:36,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 963 states. [2022-02-18 15:36:36,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 963 to 924. [2022-02-18 15:36:36,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 924 states, 919 states have (on average 1.8128400435255714) internal successors, (1666), 923 states have internal predecessors, (1666), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:36,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 924 states to 924 states and 1666 transitions. [2022-02-18 15:36:36,850 INFO L78 Accepts]: Start accepts. Automaton has 924 states and 1666 transitions. Word has length 110 [2022-02-18 15:36:36,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:36:36,850 INFO L470 AbstractCegarLoop]: Abstraction has 924 states and 1666 transitions. [2022-02-18 15:36:36,850 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:36,850 INFO L276 IsEmpty]: Start isEmpty. Operand 924 states and 1666 transitions. [2022-02-18 15:36:36,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-02-18 15:36:36,851 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:36:36,851 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:36:36,851 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2022-02-18 15:36:36,852 INFO L402 AbstractCegarLoop]: === Iteration 63 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:36:36,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:36:36,852 INFO L85 PathProgramCache]: Analyzing trace with hash -344843963, now seen corresponding path program 11 times [2022-02-18 15:36:36,852 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:36:36,852 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [299107326] [2022-02-18 15:36:36,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:36:36,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:36:36,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:36:37,507 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:36:37,507 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:36:37,507 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [299107326] [2022-02-18 15:36:37,507 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [299107326] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:36:37,507 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:36:37,507 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-02-18 15:36:37,508 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1886120737] [2022-02-18 15:36:37,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:36:37,508 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-02-18 15:36:37,508 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:36:37,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-02-18 15:36:37,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=267, Unknown=0, NotChecked=0, Total=342 [2022-02-18 15:36:37,508 INFO L87 Difference]: Start difference. First operand 924 states and 1666 transitions. Second operand has 19 states, 18 states have (on average 3.611111111111111) internal successors, (65), 19 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:39,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:36:39,158 INFO L93 Difference]: Finished difference Result 1789 states and 3265 transitions. [2022-02-18 15:36:39,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-18 15:36:39,158 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.611111111111111) internal successors, (65), 19 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-02-18 15:36:39,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:36:39,160 INFO L225 Difference]: With dead ends: 1789 [2022-02-18 15:36:39,160 INFO L226 Difference]: Without dead ends: 1789 [2022-02-18 15:36:39,161 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 359 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=399, Invalid=1323, Unknown=0, NotChecked=0, Total=1722 [2022-02-18 15:36:39,161 INFO L933 BasicCegarLoop]: 117 mSDtfsCounter, 591 mSDsluCounter, 951 mSDsCounter, 0 mSdLazyCounter, 1575 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 591 SdHoareTripleChecker+Valid, 1068 SdHoareTripleChecker+Invalid, 1649 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 1575 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-02-18 15:36:39,161 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [591 Valid, 1068 Invalid, 1649 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 1575 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-02-18 15:36:39,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1789 states. [2022-02-18 15:36:39,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1789 to 924. [2022-02-18 15:36:39,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 924 states, 919 states have (on average 1.8128400435255714) internal successors, (1666), 923 states have internal predecessors, (1666), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:39,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 924 states to 924 states and 1666 transitions. [2022-02-18 15:36:39,170 INFO L78 Accepts]: Start accepts. Automaton has 924 states and 1666 transitions. Word has length 110 [2022-02-18 15:36:39,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:36:39,170 INFO L470 AbstractCegarLoop]: Abstraction has 924 states and 1666 transitions. [2022-02-18 15:36:39,171 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.611111111111111) internal successors, (65), 19 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:39,171 INFO L276 IsEmpty]: Start isEmpty. Operand 924 states and 1666 transitions. [2022-02-18 15:36:39,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-02-18 15:36:39,171 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:36:39,171 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:36:39,172 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2022-02-18 15:36:39,172 INFO L402 AbstractCegarLoop]: === Iteration 64 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:36:39,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:36:39,173 INFO L85 PathProgramCache]: Analyzing trace with hash -178937729, now seen corresponding path program 12 times [2022-02-18 15:36:39,173 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:36:39,173 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1608260995] [2022-02-18 15:36:39,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:36:39,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:36:39,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:36:39,410 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:36:39,410 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:36:39,410 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1608260995] [2022-02-18 15:36:39,410 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1608260995] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:36:39,410 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:36:39,410 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:36:39,411 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696227416] [2022-02-18 15:36:39,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:36:39,411 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:36:39,411 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:36:39,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:36:39,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:36:39,411 INFO L87 Difference]: Start difference. First operand 924 states and 1666 transitions. Second operand has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:39,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:36:39,676 INFO L93 Difference]: Finished difference Result 966 states and 1741 transitions. [2022-02-18 15:36:39,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-18 15:36:39,676 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-02-18 15:36:39,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:36:39,677 INFO L225 Difference]: With dead ends: 966 [2022-02-18 15:36:39,677 INFO L226 Difference]: Without dead ends: 966 [2022-02-18 15:36:39,677 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=64, Unknown=0, NotChecked=0, Total=110 [2022-02-18 15:36:39,678 INFO L933 BasicCegarLoop]: 95 mSDtfsCounter, 118 mSDsluCounter, 210 mSDsCounter, 0 mSdLazyCounter, 380 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 305 SdHoareTripleChecker+Invalid, 405 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 380 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-18 15:36:39,678 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [118 Valid, 305 Invalid, 405 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 380 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-18 15:36:39,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 966 states. [2022-02-18 15:36:39,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 966 to 908. [2022-02-18 15:36:39,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 908 states, 903 states have (on average 1.813953488372093) internal successors, (1638), 907 states have internal predecessors, (1638), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:39,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 908 states to 908 states and 1638 transitions. [2022-02-18 15:36:39,705 INFO L78 Accepts]: Start accepts. Automaton has 908 states and 1638 transitions. Word has length 110 [2022-02-18 15:36:39,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:36:39,705 INFO L470 AbstractCegarLoop]: Abstraction has 908 states and 1638 transitions. [2022-02-18 15:36:39,705 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:39,705 INFO L276 IsEmpty]: Start isEmpty. Operand 908 states and 1638 transitions. [2022-02-18 15:36:39,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-02-18 15:36:39,706 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:36:39,706 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] [2022-02-18 15:36:39,706 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63 [2022-02-18 15:36:39,706 INFO L402 AbstractCegarLoop]: === Iteration 65 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:36:39,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:36:39,707 INFO L85 PathProgramCache]: Analyzing trace with hash 157500306, now seen corresponding path program 3 times [2022-02-18 15:36:39,707 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:36:39,707 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717463183] [2022-02-18 15:36:39,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:36:39,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:36:39,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:36:40,203 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:36:40,203 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:36:40,203 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [717463183] [2022-02-18 15:36:40,203 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [717463183] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:36:40,203 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:36:40,203 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:36:40,204 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768333733] [2022-02-18 15:36:40,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:36:40,204 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:36:40,204 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:36:40,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:36:40,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:36:40,204 INFO L87 Difference]: Start difference. First operand 908 states and 1638 transitions. Second operand has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:40,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:36:40,949 INFO L93 Difference]: Finished difference Result 1049 states and 1895 transitions. [2022-02-18 15:36:40,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-18 15:36:40,950 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-02-18 15:36:40,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:36:40,951 INFO L225 Difference]: With dead ends: 1049 [2022-02-18 15:36:40,951 INFO L226 Difference]: Without dead ends: 1038 [2022-02-18 15:36:40,952 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=94, Invalid=146, Unknown=0, NotChecked=0, Total=240 [2022-02-18 15:36:40,952 INFO L933 BasicCegarLoop]: 133 mSDtfsCounter, 187 mSDsluCounter, 413 mSDsCounter, 0 mSdLazyCounter, 590 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 187 SdHoareTripleChecker+Valid, 546 SdHoareTripleChecker+Invalid, 661 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 590 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-18 15:36:40,952 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [187 Valid, 546 Invalid, 661 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 590 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-18 15:36:40,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1038 states. [2022-02-18 15:36:40,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1038 to 923. [2022-02-18 15:36:40,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 923 states, 918 states have (on average 1.8159041394335511) internal successors, (1667), 922 states have internal predecessors, (1667), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:40,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 923 states to 923 states and 1667 transitions. [2022-02-18 15:36:40,962 INFO L78 Accepts]: Start accepts. Automaton has 923 states and 1667 transitions. Word has length 110 [2022-02-18 15:36:40,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:36:40,962 INFO L470 AbstractCegarLoop]: Abstraction has 923 states and 1667 transitions. [2022-02-18 15:36:40,963 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:40,963 INFO L276 IsEmpty]: Start isEmpty. Operand 923 states and 1667 transitions. [2022-02-18 15:36:40,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-02-18 15:36:40,963 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:36:40,964 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:36:40,964 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64 [2022-02-18 15:36:40,964 INFO L402 AbstractCegarLoop]: === Iteration 66 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:36:40,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:36:40,964 INFO L85 PathProgramCache]: Analyzing trace with hash -370520802, now seen corresponding path program 4 times [2022-02-18 15:36:40,964 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:36:40,964 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [554837243] [2022-02-18 15:36:40,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:36:40,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:36:40,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:36:41,443 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:36:41,443 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:36:41,443 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [554837243] [2022-02-18 15:36:41,443 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [554837243] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:36:41,443 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:36:41,443 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:36:41,443 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2041919486] [2022-02-18 15:36:41,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:36:41,444 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:36:41,444 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:36:41,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:36:41,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:36:41,444 INFO L87 Difference]: Start difference. First operand 923 states and 1667 transitions. Second operand has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:42,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:36:42,080 INFO L93 Difference]: Finished difference Result 1107 states and 2005 transitions. [2022-02-18 15:36:42,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-18 15:36:42,080 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-02-18 15:36:42,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:36:42,081 INFO L225 Difference]: With dead ends: 1107 [2022-02-18 15:36:42,081 INFO L226 Difference]: Without dead ends: 1085 [2022-02-18 15:36:42,081 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=84, Invalid=126, Unknown=0, NotChecked=0, Total=210 [2022-02-18 15:36:42,081 INFO L933 BasicCegarLoop]: 135 mSDtfsCounter, 218 mSDsluCounter, 377 mSDsCounter, 0 mSdLazyCounter, 517 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 218 SdHoareTripleChecker+Valid, 512 SdHoareTripleChecker+Invalid, 588 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 517 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-18 15:36:42,082 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [218 Valid, 512 Invalid, 588 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 517 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-18 15:36:42,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1085 states. [2022-02-18 15:36:42,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1085 to 941. [2022-02-18 15:36:42,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 941 states, 936 states have (on average 1.8183760683760684) internal successors, (1702), 940 states have internal predecessors, (1702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:42,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 941 states to 941 states and 1702 transitions. [2022-02-18 15:36:42,089 INFO L78 Accepts]: Start accepts. Automaton has 941 states and 1702 transitions. Word has length 110 [2022-02-18 15:36:42,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:36:42,090 INFO L470 AbstractCegarLoop]: Abstraction has 941 states and 1702 transitions. [2022-02-18 15:36:42,090 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:42,090 INFO L276 IsEmpty]: Start isEmpty. Operand 941 states and 1702 transitions. [2022-02-18 15:36:42,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-02-18 15:36:42,090 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:36:42,091 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:36:42,091 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65 [2022-02-18 15:36:42,091 INFO L402 AbstractCegarLoop]: === Iteration 67 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:36:42,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:36:42,091 INFO L85 PathProgramCache]: Analyzing trace with hash -1841162828, now seen corresponding path program 5 times [2022-02-18 15:36:42,091 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:36:42,091 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1927351035] [2022-02-18 15:36:42,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:36:42,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:36:42,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:36:42,554 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:36:42,554 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:36:42,554 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1927351035] [2022-02-18 15:36:42,554 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1927351035] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:36:42,554 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:36:42,554 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:36:42,555 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317449512] [2022-02-18 15:36:42,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:36:42,555 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:36:42,555 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:36:42,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:36:42,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:36:42,555 INFO L87 Difference]: Start difference. First operand 941 states and 1702 transitions. Second operand has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:43,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:36:43,203 INFO L93 Difference]: Finished difference Result 1158 states and 2104 transitions. [2022-02-18 15:36:43,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-18 15:36:43,203 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-02-18 15:36:43,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:36:43,204 INFO L225 Difference]: With dead ends: 1158 [2022-02-18 15:36:43,204 INFO L226 Difference]: Without dead ends: 1125 [2022-02-18 15:36:43,204 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=74, Invalid=108, Unknown=0, NotChecked=0, Total=182 [2022-02-18 15:36:43,205 INFO L933 BasicCegarLoop]: 139 mSDtfsCounter, 232 mSDsluCounter, 402 mSDsCounter, 0 mSdLazyCounter, 596 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 232 SdHoareTripleChecker+Valid, 541 SdHoareTripleChecker+Invalid, 668 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 596 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-18 15:36:43,205 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [232 Valid, 541 Invalid, 668 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 596 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-18 15:36:43,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1125 states. [2022-02-18 15:36:43,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1125 to 959. [2022-02-18 15:36:43,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 959 states, 954 states have (on average 1.820754716981132) internal successors, (1737), 958 states have internal predecessors, (1737), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:43,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 959 states to 959 states and 1737 transitions. [2022-02-18 15:36:43,213 INFO L78 Accepts]: Start accepts. Automaton has 959 states and 1737 transitions. Word has length 110 [2022-02-18 15:36:43,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:36:43,213 INFO L470 AbstractCegarLoop]: Abstraction has 959 states and 1737 transitions. [2022-02-18 15:36:43,213 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:43,213 INFO L276 IsEmpty]: Start isEmpty. Operand 959 states and 1737 transitions. [2022-02-18 15:36:43,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-02-18 15:36:43,214 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:36:43,214 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:36:43,214 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66 [2022-02-18 15:36:43,214 INFO L402 AbstractCegarLoop]: === Iteration 68 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:36:43,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:36:43,214 INFO L85 PathProgramCache]: Analyzing trace with hash 2090455932, now seen corresponding path program 6 times [2022-02-18 15:36:43,214 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:36:43,214 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537770226] [2022-02-18 15:36:43,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:36:43,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:36:43,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:36:43,664 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:36:43,664 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:36:43,664 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1537770226] [2022-02-18 15:36:43,664 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1537770226] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:36:43,664 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:36:43,664 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:36:43,664 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575396971] [2022-02-18 15:36:43,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:36:43,665 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:36:43,665 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:36:43,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:36:43,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=53, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:36:43,665 INFO L87 Difference]: Start difference. First operand 959 states and 1737 transitions. Second operand has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:44,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:36:44,175 INFO L93 Difference]: Finished difference Result 1156 states and 2097 transitions. [2022-02-18 15:36:44,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-18 15:36:44,175 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-02-18 15:36:44,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:36:44,176 INFO L225 Difference]: With dead ends: 1156 [2022-02-18 15:36:44,177 INFO L226 Difference]: Without dead ends: 1112 [2022-02-18 15:36:44,177 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=64, Invalid=92, Unknown=0, NotChecked=0, Total=156 [2022-02-18 15:36:44,177 INFO L933 BasicCegarLoop]: 143 mSDtfsCounter, 213 mSDsluCounter, 388 mSDsCounter, 0 mSdLazyCounter, 496 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 213 SdHoareTripleChecker+Valid, 531 SdHoareTripleChecker+Invalid, 569 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 496 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-18 15:36:44,177 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [213 Valid, 531 Invalid, 569 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 496 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-18 15:36:44,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1112 states. [2022-02-18 15:36:44,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1112 to 923. [2022-02-18 15:36:44,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 923 states, 918 states have (on average 1.8137254901960784) internal successors, (1665), 922 states have internal predecessors, (1665), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:44,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 923 states to 923 states and 1665 transitions. [2022-02-18 15:36:44,185 INFO L78 Accepts]: Start accepts. Automaton has 923 states and 1665 transitions. Word has length 110 [2022-02-18 15:36:44,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:36:44,185 INFO L470 AbstractCegarLoop]: Abstraction has 923 states and 1665 transitions. [2022-02-18 15:36:44,185 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:44,185 INFO L276 IsEmpty]: Start isEmpty. Operand 923 states and 1665 transitions. [2022-02-18 15:36:44,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-02-18 15:36:44,186 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:36:44,186 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] [2022-02-18 15:36:44,186 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67 [2022-02-18 15:36:44,186 INFO L402 AbstractCegarLoop]: === Iteration 69 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:36:44,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:36:44,187 INFO L85 PathProgramCache]: Analyzing trace with hash -1503701990, now seen corresponding path program 1 times [2022-02-18 15:36:44,187 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:36:44,187 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1611124016] [2022-02-18 15:36:44,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:36:44,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:36:44,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:36:44,395 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:36:44,395 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:36:44,395 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1611124016] [2022-02-18 15:36:44,395 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1611124016] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:36:44,395 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:36:44,395 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:36:44,395 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1292849873] [2022-02-18 15:36:44,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:36:44,396 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:36:44,396 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:36:44,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:36:44,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:36:44,396 INFO L87 Difference]: Start difference. First operand 923 states and 1665 transitions. Second operand has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:44,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:36:44,758 INFO L93 Difference]: Finished difference Result 962 states and 1730 transitions. [2022-02-18 15:36:44,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-18 15:36:44,759 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-02-18 15:36:44,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:36:44,760 INFO L225 Difference]: With dead ends: 962 [2022-02-18 15:36:44,760 INFO L226 Difference]: Without dead ends: 962 [2022-02-18 15:36:44,760 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=50, Invalid=82, Unknown=0, NotChecked=0, Total=132 [2022-02-18 15:36:44,760 INFO L933 BasicCegarLoop]: 163 mSDtfsCounter, 123 mSDsluCounter, 580 mSDsCounter, 0 mSdLazyCounter, 555 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 738 SdHoareTripleChecker+Invalid, 575 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 555 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-18 15:36:44,760 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [123 Valid, 738 Invalid, 575 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 555 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-18 15:36:44,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 962 states. [2022-02-18 15:36:44,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 962 to 928. [2022-02-18 15:36:44,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 928 states, 923 states have (on average 1.80931744312026) internal successors, (1670), 927 states have internal predecessors, (1670), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:44,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 928 states to 928 states and 1670 transitions. [2022-02-18 15:36:44,767 INFO L78 Accepts]: Start accepts. Automaton has 928 states and 1670 transitions. Word has length 111 [2022-02-18 15:36:44,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:36:44,767 INFO L470 AbstractCegarLoop]: Abstraction has 928 states and 1670 transitions. [2022-02-18 15:36:44,767 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:44,767 INFO L276 IsEmpty]: Start isEmpty. Operand 928 states and 1670 transitions. [2022-02-18 15:36:44,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-02-18 15:36:44,768 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:36:44,768 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:36:44,768 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68 [2022-02-18 15:36:44,768 INFO L402 AbstractCegarLoop]: === Iteration 70 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:36:44,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:36:44,768 INFO L85 PathProgramCache]: Analyzing trace with hash 1457767012, now seen corresponding path program 2 times [2022-02-18 15:36:44,769 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:36:44,769 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [563902783] [2022-02-18 15:36:44,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:36:44,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:36:44,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:36:45,004 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:36:45,004 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:36:45,004 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [563902783] [2022-02-18 15:36:45,004 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [563902783] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:36:45,004 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:36:45,004 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:36:45,005 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1174600374] [2022-02-18 15:36:45,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:36:45,005 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:36:45,005 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:36:45,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:36:45,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:36:45,005 INFO L87 Difference]: Start difference. First operand 928 states and 1670 transitions. Second operand has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:45,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:36:45,434 INFO L93 Difference]: Finished difference Result 992 states and 1779 transitions. [2022-02-18 15:36:45,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-18 15:36:45,435 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-02-18 15:36:45,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:36:45,436 INFO L225 Difference]: With dead ends: 992 [2022-02-18 15:36:45,436 INFO L226 Difference]: Without dead ends: 992 [2022-02-18 15:36:45,436 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=90, Invalid=182, Unknown=0, NotChecked=0, Total=272 [2022-02-18 15:36:45,436 INFO L933 BasicCegarLoop]: 162 mSDtfsCounter, 151 mSDsluCounter, 526 mSDsCounter, 0 mSdLazyCounter, 521 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 685 SdHoareTripleChecker+Invalid, 563 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 521 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-18 15:36:45,436 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [151 Valid, 685 Invalid, 563 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 521 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-18 15:36:45,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 992 states. [2022-02-18 15:36:45,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 992 to 929. [2022-02-18 15:36:45,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 929 states, 924 states have (on average 1.8095238095238095) internal successors, (1672), 928 states have internal predecessors, (1672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:45,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 929 states to 929 states and 1672 transitions. [2022-02-18 15:36:45,446 INFO L78 Accepts]: Start accepts. Automaton has 929 states and 1672 transitions. Word has length 111 [2022-02-18 15:36:45,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:36:45,446 INFO L470 AbstractCegarLoop]: Abstraction has 929 states and 1672 transitions. [2022-02-18 15:36:45,446 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:45,446 INFO L276 IsEmpty]: Start isEmpty. Operand 929 states and 1672 transitions. [2022-02-18 15:36:45,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-02-18 15:36:45,447 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:36:45,447 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] [2022-02-18 15:36:45,447 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable69 [2022-02-18 15:36:45,447 INFO L402 AbstractCegarLoop]: === Iteration 71 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:36:45,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:36:45,447 INFO L85 PathProgramCache]: Analyzing trace with hash -1128965560, now seen corresponding path program 3 times [2022-02-18 15:36:45,448 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:36:45,448 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1026043212] [2022-02-18 15:36:45,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:36:45,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:36:45,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:36:45,665 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:36:45,665 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:36:45,665 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1026043212] [2022-02-18 15:36:45,665 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1026043212] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:36:45,665 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:36:45,665 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:36:45,665 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [339133326] [2022-02-18 15:36:45,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:36:45,665 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:36:45,665 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:36:45,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:36:45,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:36:45,666 INFO L87 Difference]: Start difference. First operand 929 states and 1672 transitions. Second operand has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:46,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:36:46,212 INFO L93 Difference]: Finished difference Result 981 states and 1763 transitions. [2022-02-18 15:36:46,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-18 15:36:46,212 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-02-18 15:36:46,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:36:46,214 INFO L225 Difference]: With dead ends: 981 [2022-02-18 15:36:46,214 INFO L226 Difference]: Without dead ends: 981 [2022-02-18 15:36:46,214 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=74, Invalid=136, Unknown=0, NotChecked=0, Total=210 [2022-02-18 15:36:46,214 INFO L933 BasicCegarLoop]: 162 mSDtfsCounter, 128 mSDsluCounter, 658 mSDsCounter, 0 mSdLazyCounter, 621 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 817 SdHoareTripleChecker+Invalid, 648 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 621 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-18 15:36:46,214 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [128 Valid, 817 Invalid, 648 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 621 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-18 15:36:46,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 981 states. [2022-02-18 15:36:46,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 981 to 935. [2022-02-18 15:36:46,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 935 states, 930 states have (on average 1.810752688172043) internal successors, (1684), 934 states have internal predecessors, (1684), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:46,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 935 states to 935 states and 1684 transitions. [2022-02-18 15:36:46,222 INFO L78 Accepts]: Start accepts. Automaton has 935 states and 1684 transitions. Word has length 111 [2022-02-18 15:36:46,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:36:46,222 INFO L470 AbstractCegarLoop]: Abstraction has 935 states and 1684 transitions. [2022-02-18 15:36:46,222 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:46,222 INFO L276 IsEmpty]: Start isEmpty. Operand 935 states and 1684 transitions. [2022-02-18 15:36:46,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-02-18 15:36:46,223 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:36:46,223 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:36:46,223 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70 [2022-02-18 15:36:46,223 INFO L402 AbstractCegarLoop]: === Iteration 72 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:36:46,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:36:46,223 INFO L85 PathProgramCache]: Analyzing trace with hash 275674084, now seen corresponding path program 4 times [2022-02-18 15:36:46,223 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:36:46,223 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [727944066] [2022-02-18 15:36:46,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:36:46,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:36:46,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:36:46,611 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:36:46,611 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:36:46,611 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [727944066] [2022-02-18 15:36:46,611 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [727944066] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:36:46,612 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:36:46,612 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-02-18 15:36:46,612 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1736729142] [2022-02-18 15:36:46,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:36:46,612 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-02-18 15:36:46,612 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:36:46,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-02-18 15:36:46,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=285, Unknown=0, NotChecked=0, Total=342 [2022-02-18 15:36:46,612 INFO L87 Difference]: Start difference. First operand 935 states and 1684 transitions. Second operand has 19 states, 18 states have (on average 3.6666666666666665) internal successors, (66), 19 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:47,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:36:47,989 INFO L93 Difference]: Finished difference Result 1129 states and 2032 transitions. [2022-02-18 15:36:47,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-02-18 15:36:47,989 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.6666666666666665) internal successors, (66), 19 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-02-18 15:36:47,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:36:47,990 INFO L225 Difference]: With dead ends: 1129 [2022-02-18 15:36:47,990 INFO L226 Difference]: Without dead ends: 1129 [2022-02-18 15:36:47,991 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 438 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=422, Invalid=1470, Unknown=0, NotChecked=0, Total=1892 [2022-02-18 15:36:47,991 INFO L933 BasicCegarLoop]: 164 mSDtfsCounter, 628 mSDsluCounter, 1055 mSDsCounter, 0 mSdLazyCounter, 1005 mSolverCounterSat, 108 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 628 SdHoareTripleChecker+Valid, 1213 SdHoareTripleChecker+Invalid, 1113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 108 IncrementalHoareTripleChecker+Valid, 1005 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-02-18 15:36:47,991 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [628 Valid, 1213 Invalid, 1113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [108 Valid, 1005 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-02-18 15:36:47,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1129 states. [2022-02-18 15:36:47,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1129 to 937. [2022-02-18 15:36:47,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 937 states, 932 states have (on average 1.8111587982832618) internal successors, (1688), 936 states have internal predecessors, (1688), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:47,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 937 states to 937 states and 1688 transitions. [2022-02-18 15:36:47,999 INFO L78 Accepts]: Start accepts. Automaton has 937 states and 1688 transitions. Word has length 111 [2022-02-18 15:36:47,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:36:47,999 INFO L470 AbstractCegarLoop]: Abstraction has 937 states and 1688 transitions. [2022-02-18 15:36:47,999 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.6666666666666665) internal successors, (66), 19 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:47,999 INFO L276 IsEmpty]: Start isEmpty. Operand 937 states and 1688 transitions. [2022-02-18 15:36:48,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-02-18 15:36:48,000 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:36:48,000 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:36:48,000 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71 [2022-02-18 15:36:48,000 INFO L402 AbstractCegarLoop]: === Iteration 73 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:36:48,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:36:48,000 INFO L85 PathProgramCache]: Analyzing trace with hash 1983908808, now seen corresponding path program 5 times [2022-02-18 15:36:48,000 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:36:48,001 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [122865127] [2022-02-18 15:36:48,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:36:48,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:36:48,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:36:48,388 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:36:48,388 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:36:48,388 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [122865127] [2022-02-18 15:36:48,389 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [122865127] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:36:48,389 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:36:48,389 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-02-18 15:36:48,389 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2087757416] [2022-02-18 15:36:48,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:36:48,389 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-02-18 15:36:48,389 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:36:48,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-02-18 15:36:48,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=285, Unknown=0, NotChecked=0, Total=342 [2022-02-18 15:36:48,389 INFO L87 Difference]: Start difference. First operand 937 states and 1688 transitions. Second operand has 19 states, 18 states have (on average 3.6666666666666665) internal successors, (66), 19 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:49,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:36:49,776 INFO L93 Difference]: Finished difference Result 1147 states and 2063 transitions. [2022-02-18 15:36:49,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-02-18 15:36:49,776 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.6666666666666665) internal successors, (66), 19 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-02-18 15:36:49,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:36:49,777 INFO L225 Difference]: With dead ends: 1147 [2022-02-18 15:36:49,778 INFO L226 Difference]: Without dead ends: 1147 [2022-02-18 15:36:49,778 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 449 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=421, Invalid=1471, Unknown=0, NotChecked=0, Total=1892 [2022-02-18 15:36:49,778 INFO L933 BasicCegarLoop]: 167 mSDtfsCounter, 659 mSDsluCounter, 1218 mSDsCounter, 0 mSdLazyCounter, 1121 mSolverCounterSat, 119 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 659 SdHoareTripleChecker+Valid, 1380 SdHoareTripleChecker+Invalid, 1240 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 119 IncrementalHoareTripleChecker+Valid, 1121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-02-18 15:36:49,778 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [659 Valid, 1380 Invalid, 1240 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [119 Valid, 1121 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-02-18 15:36:49,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1147 states. [2022-02-18 15:36:49,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1147 to 936. [2022-02-18 15:36:49,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 936 states, 931 states have (on average 1.8109559613319013) internal successors, (1686), 935 states have internal predecessors, (1686), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:49,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 936 states to 936 states and 1686 transitions. [2022-02-18 15:36:49,787 INFO L78 Accepts]: Start accepts. Automaton has 936 states and 1686 transitions. Word has length 111 [2022-02-18 15:36:49,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:36:49,787 INFO L470 AbstractCegarLoop]: Abstraction has 936 states and 1686 transitions. [2022-02-18 15:36:49,787 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.6666666666666665) internal successors, (66), 19 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:49,787 INFO L276 IsEmpty]: Start isEmpty. Operand 936 states and 1686 transitions. [2022-02-18 15:36:49,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-02-18 15:36:49,788 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:36:49,788 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] [2022-02-18 15:36:49,788 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72 [2022-02-18 15:36:49,788 INFO L402 AbstractCegarLoop]: === Iteration 74 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:36:49,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:36:49,789 INFO L85 PathProgramCache]: Analyzing trace with hash -113819046, now seen corresponding path program 6 times [2022-02-18 15:36:49,789 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:36:49,789 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1881790132] [2022-02-18 15:36:49,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:36:49,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:36:49,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:36:50,212 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:36:50,212 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:36:50,212 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1881790132] [2022-02-18 15:36:50,212 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1881790132] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:36:50,212 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:36:50,212 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-02-18 15:36:50,212 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022123165] [2022-02-18 15:36:50,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:36:50,212 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-02-18 15:36:50,212 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:36:50,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-02-18 15:36:50,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=285, Unknown=0, NotChecked=0, Total=342 [2022-02-18 15:36:50,213 INFO L87 Difference]: Start difference. First operand 936 states and 1686 transitions. Second operand has 19 states, 18 states have (on average 3.6666666666666665) internal successors, (66), 19 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:51,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:36:51,232 INFO L93 Difference]: Finished difference Result 1117 states and 2014 transitions. [2022-02-18 15:36:51,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-02-18 15:36:51,232 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.6666666666666665) internal successors, (66), 19 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-02-18 15:36:51,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:36:51,237 INFO L225 Difference]: With dead ends: 1117 [2022-02-18 15:36:51,237 INFO L226 Difference]: Without dead ends: 1117 [2022-02-18 15:36:51,237 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 303 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=311, Invalid=1095, Unknown=0, NotChecked=0, Total=1406 [2022-02-18 15:36:51,240 INFO L933 BasicCegarLoop]: 164 mSDtfsCounter, 652 mSDsluCounter, 1164 mSDsCounter, 0 mSdLazyCounter, 1068 mSolverCounterSat, 97 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 652 SdHoareTripleChecker+Valid, 1323 SdHoareTripleChecker+Invalid, 1165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 97 IncrementalHoareTripleChecker+Valid, 1068 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-02-18 15:36:51,240 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [652 Valid, 1323 Invalid, 1165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [97 Valid, 1068 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-02-18 15:36:51,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1117 states. [2022-02-18 15:36:51,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1117 to 942. [2022-02-18 15:36:51,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 942 states, 937 states have (on average 1.8121664887940234) internal successors, (1698), 941 states have internal predecessors, (1698), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:51,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 942 states to 942 states and 1698 transitions. [2022-02-18 15:36:51,248 INFO L78 Accepts]: Start accepts. Automaton has 942 states and 1698 transitions. Word has length 111 [2022-02-18 15:36:51,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:36:51,248 INFO L470 AbstractCegarLoop]: Abstraction has 942 states and 1698 transitions. [2022-02-18 15:36:51,248 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.6666666666666665) internal successors, (66), 19 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:51,248 INFO L276 IsEmpty]: Start isEmpty. Operand 942 states and 1698 transitions. [2022-02-18 15:36:51,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-02-18 15:36:51,249 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:36:51,249 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:36:51,249 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73 [2022-02-18 15:36:51,249 INFO L402 AbstractCegarLoop]: === Iteration 75 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:36:51,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:36:51,249 INFO L85 PathProgramCache]: Analyzing trace with hash 1085021906, now seen corresponding path program 7 times [2022-02-18 15:36:51,249 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:36:51,249 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1252353937] [2022-02-18 15:36:51,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:36:51,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:36:51,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:36:51,547 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:36:51,547 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:36:51,547 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1252353937] [2022-02-18 15:36:51,547 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1252353937] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:36:51,547 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:36:51,547 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:36:51,547 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665044611] [2022-02-18 15:36:51,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:36:51,548 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:36:51,548 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:36:51,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:36:51,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:36:51,548 INFO L87 Difference]: Start difference. First operand 942 states and 1698 transitions. Second operand has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:52,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:36:52,171 INFO L93 Difference]: Finished difference Result 1024 states and 1843 transitions. [2022-02-18 15:36:52,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-18 15:36:52,172 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-02-18 15:36:52,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:36:52,178 INFO L225 Difference]: With dead ends: 1024 [2022-02-18 15:36:52,178 INFO L226 Difference]: Without dead ends: 1024 [2022-02-18 15:36:52,178 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=142, Invalid=278, Unknown=0, NotChecked=0, Total=420 [2022-02-18 15:36:52,178 INFO L933 BasicCegarLoop]: 121 mSDtfsCounter, 91 mSDsluCounter, 425 mSDsCounter, 0 mSdLazyCounter, 504 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 544 SdHoareTripleChecker+Invalid, 552 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 504 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-18 15:36:52,178 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [91 Valid, 544 Invalid, 552 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 504 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-18 15:36:52,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1024 states. [2022-02-18 15:36:52,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1024 to 945. [2022-02-18 15:36:52,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 945 states, 940 states have (on average 1.8127659574468085) internal successors, (1704), 944 states have internal predecessors, (1704), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:52,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 945 states to 945 states and 1704 transitions. [2022-02-18 15:36:52,186 INFO L78 Accepts]: Start accepts. Automaton has 945 states and 1704 transitions. Word has length 111 [2022-02-18 15:36:52,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:36:52,186 INFO L470 AbstractCegarLoop]: Abstraction has 945 states and 1704 transitions. [2022-02-18 15:36:52,187 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:52,187 INFO L276 IsEmpty]: Start isEmpty. Operand 945 states and 1704 transitions. [2022-02-18 15:36:52,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-02-18 15:36:52,187 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:36:52,188 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:36:52,188 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74 [2022-02-18 15:36:52,188 INFO L402 AbstractCegarLoop]: === Iteration 76 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:36:52,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:36:52,188 INFO L85 PathProgramCache]: Analyzing trace with hash -1501710666, now seen corresponding path program 8 times [2022-02-18 15:36:52,188 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:36:52,188 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565383398] [2022-02-18 15:36:52,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:36:52,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:36:52,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:36:52,595 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:36:52,596 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:36:52,596 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [565383398] [2022-02-18 15:36:52,596 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [565383398] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:36:52,596 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:36:52,596 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-02-18 15:36:52,596 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [644106925] [2022-02-18 15:36:52,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:36:52,596 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-02-18 15:36:52,596 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:36:52,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-02-18 15:36:52,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=283, Unknown=0, NotChecked=0, Total=342 [2022-02-18 15:36:52,597 INFO L87 Difference]: Start difference. First operand 945 states and 1704 transitions. Second operand has 19 states, 18 states have (on average 3.6666666666666665) internal successors, (66), 19 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:53,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:36:53,824 INFO L93 Difference]: Finished difference Result 1163 states and 2095 transitions. [2022-02-18 15:36:53,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-02-18 15:36:53,825 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.6666666666666665) internal successors, (66), 19 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-02-18 15:36:53,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:36:53,826 INFO L225 Difference]: With dead ends: 1163 [2022-02-18 15:36:53,826 INFO L226 Difference]: Without dead ends: 1163 [2022-02-18 15:36:53,826 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 418 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=400, Invalid=1406, Unknown=0, NotChecked=0, Total=1806 [2022-02-18 15:36:53,827 INFO L933 BasicCegarLoop]: 153 mSDtfsCounter, 607 mSDsluCounter, 1027 mSDsCounter, 0 mSdLazyCounter, 971 mSolverCounterSat, 125 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 607 SdHoareTripleChecker+Valid, 1175 SdHoareTripleChecker+Invalid, 1096 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 125 IncrementalHoareTripleChecker+Valid, 971 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-18 15:36:53,827 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [607 Valid, 1175 Invalid, 1096 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [125 Valid, 971 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-18 15:36:53,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1163 states. [2022-02-18 15:36:53,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1163 to 944. [2022-02-18 15:36:53,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 944 states, 939 states have (on average 1.812566560170394) internal successors, (1702), 943 states have internal predecessors, (1702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:53,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 944 states to 944 states and 1702 transitions. [2022-02-18 15:36:53,835 INFO L78 Accepts]: Start accepts. Automaton has 944 states and 1702 transitions. Word has length 111 [2022-02-18 15:36:53,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:36:53,835 INFO L470 AbstractCegarLoop]: Abstraction has 944 states and 1702 transitions. [2022-02-18 15:36:53,835 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.6666666666666665) internal successors, (66), 19 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:53,835 INFO L276 IsEmpty]: Start isEmpty. Operand 944 states and 1702 transitions. [2022-02-18 15:36:53,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-02-18 15:36:53,836 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:36:53,836 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] [2022-02-18 15:36:53,836 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75 [2022-02-18 15:36:53,836 INFO L402 AbstractCegarLoop]: === Iteration 77 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:36:53,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:36:53,837 INFO L85 PathProgramCache]: Analyzing trace with hash 695528776, now seen corresponding path program 9 times [2022-02-18 15:36:53,837 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:36:53,837 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159320914] [2022-02-18 15:36:53,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:36:53,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:36:53,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:36:54,101 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:36:54,101 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:36:54,101 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1159320914] [2022-02-18 15:36:54,101 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1159320914] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:36:54,101 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:36:54,101 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:36:54,101 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1482292398] [2022-02-18 15:36:54,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:36:54,102 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:36:54,102 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:36:54,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:36:54,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:36:54,102 INFO L87 Difference]: Start difference. First operand 944 states and 1702 transitions. Second operand has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:54,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:36:54,566 INFO L93 Difference]: Finished difference Result 1056 states and 1902 transitions. [2022-02-18 15:36:54,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-18 15:36:54,567 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-02-18 15:36:54,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:36:54,568 INFO L225 Difference]: With dead ends: 1056 [2022-02-18 15:36:54,568 INFO L226 Difference]: Without dead ends: 1056 [2022-02-18 15:36:54,568 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=113, Invalid=229, Unknown=0, NotChecked=0, Total=342 [2022-02-18 15:36:54,569 INFO L933 BasicCegarLoop]: 124 mSDtfsCounter, 100 mSDsluCounter, 341 mSDsCounter, 0 mSdLazyCounter, 410 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 463 SdHoareTripleChecker+Invalid, 457 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 410 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-18 15:36:54,569 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [100 Valid, 463 Invalid, 457 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 410 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-18 15:36:54,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1056 states. [2022-02-18 15:36:54,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1056 to 943. [2022-02-18 15:36:54,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 943 states, 938 states have (on average 1.812366737739872) internal successors, (1700), 942 states have internal predecessors, (1700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:54,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 943 states to 943 states and 1700 transitions. [2022-02-18 15:36:54,586 INFO L78 Accepts]: Start accepts. Automaton has 943 states and 1700 transitions. Word has length 111 [2022-02-18 15:36:54,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:36:54,586 INFO L470 AbstractCegarLoop]: Abstraction has 943 states and 1700 transitions. [2022-02-18 15:36:54,586 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:54,586 INFO L276 IsEmpty]: Start isEmpty. Operand 943 states and 1700 transitions. [2022-02-18 15:36:54,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-02-18 15:36:54,587 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:36:54,587 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] [2022-02-18 15:36:54,588 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76 [2022-02-18 15:36:54,588 INFO L402 AbstractCegarLoop]: === Iteration 78 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:36:54,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:36:54,588 INFO L85 PathProgramCache]: Analyzing trace with hash -827475448, now seen corresponding path program 10 times [2022-02-18 15:36:54,589 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:36:54,589 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067950608] [2022-02-18 15:36:54,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:36:54,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:36:54,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:36:54,845 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:36:54,845 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:36:54,845 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1067950608] [2022-02-18 15:36:54,845 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1067950608] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:36:54,845 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:36:54,845 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:36:54,845 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488837640] [2022-02-18 15:36:54,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:36:54,846 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:36:54,846 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:36:54,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:36:54,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:36:54,846 INFO L87 Difference]: Start difference. First operand 943 states and 1700 transitions. Second operand has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:55,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:36:55,184 INFO L93 Difference]: Finished difference Result 1011 states and 1823 transitions. [2022-02-18 15:36:55,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-18 15:36:55,184 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-02-18 15:36:55,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:36:55,185 INFO L225 Difference]: With dead ends: 1011 [2022-02-18 15:36:55,185 INFO L226 Difference]: Without dead ends: 1011 [2022-02-18 15:36:55,185 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=81, Invalid=159, Unknown=0, NotChecked=0, Total=240 [2022-02-18 15:36:55,185 INFO L933 BasicCegarLoop]: 121 mSDtfsCounter, 81 mSDsluCounter, 339 mSDsCounter, 0 mSdLazyCounter, 383 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 458 SdHoareTripleChecker+Invalid, 418 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 383 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-18 15:36:55,186 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [81 Valid, 458 Invalid, 418 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 383 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-18 15:36:55,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1011 states. [2022-02-18 15:36:55,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1011 to 948. [2022-02-18 15:36:55,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 948 states, 943 states have (on average 1.8133616118769884) internal successors, (1710), 947 states have internal predecessors, (1710), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:55,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 948 states to 948 states and 1710 transitions. [2022-02-18 15:36:55,193 INFO L78 Accepts]: Start accepts. Automaton has 948 states and 1710 transitions. Word has length 111 [2022-02-18 15:36:55,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:36:55,193 INFO L470 AbstractCegarLoop]: Abstraction has 948 states and 1710 transitions. [2022-02-18 15:36:55,193 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:55,193 INFO L276 IsEmpty]: Start isEmpty. Operand 948 states and 1710 transitions. [2022-02-18 15:36:55,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-02-18 15:36:55,194 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:36:55,194 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] [2022-02-18 15:36:55,194 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable77 [2022-02-18 15:36:55,195 INFO L402 AbstractCegarLoop]: === Iteration 79 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:36:55,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:36:55,195 INFO L85 PathProgramCache]: Analyzing trace with hash 1856346088, now seen corresponding path program 1 times [2022-02-18 15:36:55,195 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:36:55,195 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2027556857] [2022-02-18 15:36:55,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:36:55,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:36:55,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:36:55,424 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:36:55,425 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:36:55,425 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2027556857] [2022-02-18 15:36:55,425 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2027556857] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:36:55,425 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:36:55,425 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:36:55,425 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721747173] [2022-02-18 15:36:55,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:36:55,425 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:36:55,425 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:36:55,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:36:55,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:36:55,426 INFO L87 Difference]: Start difference. First operand 948 states and 1710 transitions. Second operand has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:55,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:36:55,821 INFO L93 Difference]: Finished difference Result 1540 states and 2789 transitions. [2022-02-18 15:36:55,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-18 15:36:55,821 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-02-18 15:36:55,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:36:55,823 INFO L225 Difference]: With dead ends: 1540 [2022-02-18 15:36:55,823 INFO L226 Difference]: Without dead ends: 1540 [2022-02-18 15:36:55,823 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2022-02-18 15:36:55,823 INFO L933 BasicCegarLoop]: 109 mSDtfsCounter, 207 mSDsluCounter, 349 mSDsCounter, 0 mSdLazyCounter, 463 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 207 SdHoareTripleChecker+Valid, 457 SdHoareTripleChecker+Invalid, 521 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 463 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-18 15:36:55,823 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [207 Valid, 457 Invalid, 521 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 463 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-18 15:36:55,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1540 states. [2022-02-18 15:36:55,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1540 to 1035. [2022-02-18 15:36:55,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1035 states, 1030 states have (on average 1.829126213592233) internal successors, (1884), 1034 states have internal predecessors, (1884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:55,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1035 states to 1035 states and 1884 transitions. [2022-02-18 15:36:55,832 INFO L78 Accepts]: Start accepts. Automaton has 1035 states and 1884 transitions. Word has length 111 [2022-02-18 15:36:55,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:36:55,832 INFO L470 AbstractCegarLoop]: Abstraction has 1035 states and 1884 transitions. [2022-02-18 15:36:55,832 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:55,832 INFO L276 IsEmpty]: Start isEmpty. Operand 1035 states and 1884 transitions. [2022-02-18 15:36:55,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-02-18 15:36:55,833 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:36:55,833 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:36:55,834 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable78 [2022-02-18 15:36:55,834 INFO L402 AbstractCegarLoop]: === Iteration 80 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:36:55,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:36:55,834 INFO L85 PathProgramCache]: Analyzing trace with hash 568687424, now seen corresponding path program 11 times [2022-02-18 15:36:55,834 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:36:55,834 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1191877257] [2022-02-18 15:36:55,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:36:55,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:36:55,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:36:56,041 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:36:56,041 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:36:56,041 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1191877257] [2022-02-18 15:36:56,041 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1191877257] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:36:56,041 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:36:56,041 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:36:56,041 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [561662796] [2022-02-18 15:36:56,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:36:56,041 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:36:56,042 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:36:56,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:36:56,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:36:56,042 INFO L87 Difference]: Start difference. First operand 1035 states and 1884 transitions. Second operand has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:56,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:36:56,390 INFO L93 Difference]: Finished difference Result 1551 states and 2809 transitions. [2022-02-18 15:36:56,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-18 15:36:56,390 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-02-18 15:36:56,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:36:56,392 INFO L225 Difference]: With dead ends: 1551 [2022-02-18 15:36:56,392 INFO L226 Difference]: Without dead ends: 1551 [2022-02-18 15:36:56,392 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 [2022-02-18 15:36:56,392 INFO L933 BasicCegarLoop]: 108 mSDtfsCounter, 222 mSDsluCounter, 285 mSDsCounter, 0 mSdLazyCounter, 499 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 222 SdHoareTripleChecker+Valid, 391 SdHoareTripleChecker+Invalid, 533 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 499 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-18 15:36:56,393 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [222 Valid, 391 Invalid, 533 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 499 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-18 15:36:56,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1551 states. [2022-02-18 15:36:56,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1551 to 1139. [2022-02-18 15:36:56,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1139 states, 1134 states have (on average 1.842151675485009) internal successors, (2089), 1138 states have internal predecessors, (2089), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:56,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1139 states to 1139 states and 2089 transitions. [2022-02-18 15:36:56,403 INFO L78 Accepts]: Start accepts. Automaton has 1139 states and 2089 transitions. Word has length 111 [2022-02-18 15:36:56,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:36:56,403 INFO L470 AbstractCegarLoop]: Abstraction has 1139 states and 2089 transitions. [2022-02-18 15:36:56,403 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:56,403 INFO L276 IsEmpty]: Start isEmpty. Operand 1139 states and 2089 transitions. [2022-02-18 15:36:56,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-02-18 15:36:56,404 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:36:56,404 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:36:56,404 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable79 [2022-02-18 15:36:56,404 INFO L402 AbstractCegarLoop]: === Iteration 81 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:36:56,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:36:56,405 INFO L85 PathProgramCache]: Analyzing trace with hash -992826476, now seen corresponding path program 2 times [2022-02-18 15:36:56,405 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:36:56,405 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702280410] [2022-02-18 15:36:56,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:36:56,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:36:56,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:36:56,636 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:36:56,637 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:36:56,637 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1702280410] [2022-02-18 15:36:56,637 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1702280410] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:36:56,637 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:36:56,637 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:36:56,637 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502004790] [2022-02-18 15:36:56,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:36:56,637 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:36:56,637 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:36:56,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:36:56,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:36:56,638 INFO L87 Difference]: Start difference. First operand 1139 states and 2089 transitions. Second operand has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:56,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:36:56,985 INFO L93 Difference]: Finished difference Result 1527 states and 2762 transitions. [2022-02-18 15:36:56,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-18 15:36:56,985 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-02-18 15:36:56,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:36:56,987 INFO L225 Difference]: With dead ends: 1527 [2022-02-18 15:36:56,987 INFO L226 Difference]: Without dead ends: 1527 [2022-02-18 15:36:56,987 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 [2022-02-18 15:36:56,987 INFO L933 BasicCegarLoop]: 110 mSDtfsCounter, 232 mSDsluCounter, 259 mSDsCounter, 0 mSdLazyCounter, 377 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 232 SdHoareTripleChecker+Valid, 368 SdHoareTripleChecker+Invalid, 439 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 377 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-18 15:36:56,987 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [232 Valid, 368 Invalid, 439 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 377 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-18 15:36:56,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1527 states. [2022-02-18 15:36:56,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1527 to 1139. [2022-02-18 15:36:57,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1139 states, 1134 states have (on average 1.8412698412698412) internal successors, (2088), 1138 states have internal predecessors, (2088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:57,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1139 states to 1139 states and 2088 transitions. [2022-02-18 15:36:57,013 INFO L78 Accepts]: Start accepts. Automaton has 1139 states and 2088 transitions. Word has length 111 [2022-02-18 15:36:57,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:36:57,013 INFO L470 AbstractCegarLoop]: Abstraction has 1139 states and 2088 transitions. [2022-02-18 15:36:57,013 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:57,013 INFO L276 IsEmpty]: Start isEmpty. Operand 1139 states and 2088 transitions. [2022-02-18 15:36:57,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-02-18 15:36:57,014 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:36:57,014 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:36:57,014 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80 [2022-02-18 15:36:57,014 INFO L402 AbstractCegarLoop]: === Iteration 82 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:36:57,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:36:57,014 INFO L85 PathProgramCache]: Analyzing trace with hash 1820135168, now seen corresponding path program 12 times [2022-02-18 15:36:57,014 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:36:57,015 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [994217326] [2022-02-18 15:36:57,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:36:57,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:36:57,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:36:57,491 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:36:57,491 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:36:57,491 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [994217326] [2022-02-18 15:36:57,491 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [994217326] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:36:57,491 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:36:57,491 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-02-18 15:36:57,492 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133716448] [2022-02-18 15:36:57,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:36:57,492 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-02-18 15:36:57,492 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:36:57,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-02-18 15:36:57,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2022-02-18 15:36:57,493 INFO L87 Difference]: Start difference. First operand 1139 states and 2088 transitions. Second operand has 19 states, 18 states have (on average 3.6666666666666665) internal successors, (66), 19 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:58,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:36:58,798 INFO L93 Difference]: Finished difference Result 1695 states and 3082 transitions. [2022-02-18 15:36:58,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-02-18 15:36:58,798 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.6666666666666665) internal successors, (66), 19 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-02-18 15:36:58,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:36:58,800 INFO L225 Difference]: With dead ends: 1695 [2022-02-18 15:36:58,800 INFO L226 Difference]: Without dead ends: 1695 [2022-02-18 15:36:58,800 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 459 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=451, Invalid=1529, Unknown=0, NotChecked=0, Total=1980 [2022-02-18 15:36:58,800 INFO L933 BasicCegarLoop]: 122 mSDtfsCounter, 987 mSDsluCounter, 493 mSDsCounter, 0 mSdLazyCounter, 767 mSolverCounterSat, 136 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 987 SdHoareTripleChecker+Valid, 613 SdHoareTripleChecker+Invalid, 903 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 136 IncrementalHoareTripleChecker+Valid, 767 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-02-18 15:36:58,800 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [987 Valid, 613 Invalid, 903 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [136 Valid, 767 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-02-18 15:36:58,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1695 states. [2022-02-18 15:36:58,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1695 to 1141. [2022-02-18 15:36:58,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1141 states, 1136 states have (on average 1.841549295774648) internal successors, (2092), 1140 states have internal predecessors, (2092), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:58,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1141 states to 1141 states and 2092 transitions. [2022-02-18 15:36:58,811 INFO L78 Accepts]: Start accepts. Automaton has 1141 states and 2092 transitions. Word has length 111 [2022-02-18 15:36:58,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:36:58,812 INFO L470 AbstractCegarLoop]: Abstraction has 1141 states and 2092 transitions. [2022-02-18 15:36:58,812 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.6666666666666665) internal successors, (66), 19 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:58,812 INFO L276 IsEmpty]: Start isEmpty. Operand 1141 states and 2092 transitions. [2022-02-18 15:36:58,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-02-18 15:36:58,813 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:36:58,813 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:36:58,813 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81 [2022-02-18 15:36:58,813 INFO L402 AbstractCegarLoop]: === Iteration 83 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:36:58,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:36:58,813 INFO L85 PathProgramCache]: Analyzing trace with hash -766597404, now seen corresponding path program 13 times [2022-02-18 15:36:58,813 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:36:58,813 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929898584] [2022-02-18 15:36:58,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:36:58,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:36:58,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:36:59,106 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:36:59,106 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:36:59,106 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1929898584] [2022-02-18 15:36:59,106 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1929898584] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:36:59,106 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:36:59,107 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:36:59,107 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1216941965] [2022-02-18 15:36:59,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:36:59,107 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:36:59,107 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:36:59,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:36:59,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:36:59,107 INFO L87 Difference]: Start difference. First operand 1141 states and 2092 transitions. Second operand has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:59,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:36:59,668 INFO L93 Difference]: Finished difference Result 1485 states and 2699 transitions. [2022-02-18 15:36:59,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-18 15:36:59,668 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-02-18 15:36:59,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:36:59,670 INFO L225 Difference]: With dead ends: 1485 [2022-02-18 15:36:59,670 INFO L226 Difference]: Without dead ends: 1485 [2022-02-18 15:36:59,670 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=107, Invalid=199, Unknown=0, NotChecked=0, Total=306 [2022-02-18 15:36:59,670 INFO L933 BasicCegarLoop]: 108 mSDtfsCounter, 151 mSDsluCounter, 324 mSDsCounter, 0 mSdLazyCounter, 538 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 430 SdHoareTripleChecker+Invalid, 569 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 538 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-18 15:36:59,670 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [151 Valid, 430 Invalid, 569 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 538 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-18 15:36:59,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1485 states. [2022-02-18 15:36:59,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1485 to 1140. [2022-02-18 15:36:59,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1140 states, 1135 states have (on average 1.841409691629956) internal successors, (2090), 1139 states have internal predecessors, (2090), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:59,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1140 states to 1140 states and 2090 transitions. [2022-02-18 15:36:59,680 INFO L78 Accepts]: Start accepts. Automaton has 1140 states and 2090 transitions. Word has length 111 [2022-02-18 15:36:59,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:36:59,681 INFO L470 AbstractCegarLoop]: Abstraction has 1140 states and 2090 transitions. [2022-02-18 15:36:59,681 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:59,681 INFO L276 IsEmpty]: Start isEmpty. Operand 1140 states and 2090 transitions. [2022-02-18 15:36:59,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-02-18 15:36:59,682 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:36:59,682 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:36:59,682 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable82 [2022-02-18 15:36:59,682 INFO L402 AbstractCegarLoop]: === Iteration 84 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:36:59,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:36:59,682 INFO L85 PathProgramCache]: Analyzing trace with hash 1430642038, now seen corresponding path program 14 times [2022-02-18 15:36:59,682 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:36:59,682 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370144132] [2022-02-18 15:36:59,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:36:59,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:36:59,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:36:59,978 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:36:59,978 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:36:59,978 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1370144132] [2022-02-18 15:36:59,978 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1370144132] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:36:59,978 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:36:59,978 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:36:59,979 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1061105576] [2022-02-18 15:36:59,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:36:59,979 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:36:59,979 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:36:59,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:36:59,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:36:59,979 INFO L87 Difference]: Start difference. First operand 1140 states and 2090 transitions. Second operand has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:00,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:37:00,548 INFO L93 Difference]: Finished difference Result 1499 states and 2727 transitions. [2022-02-18 15:37:00,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-18 15:37:00,549 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-02-18 15:37:00,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:37:00,550 INFO L225 Difference]: With dead ends: 1499 [2022-02-18 15:37:00,550 INFO L226 Difference]: Without dead ends: 1499 [2022-02-18 15:37:00,550 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=105, Invalid=201, Unknown=0, NotChecked=0, Total=306 [2022-02-18 15:37:00,551 INFO L933 BasicCegarLoop]: 106 mSDtfsCounter, 136 mSDsluCounter, 383 mSDsCounter, 0 mSdLazyCounter, 557 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 487 SdHoareTripleChecker+Invalid, 587 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 557 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-18 15:37:00,551 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [136 Valid, 487 Invalid, 587 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 557 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-18 15:37:00,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1499 states. [2022-02-18 15:37:00,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1499 to 1139. [2022-02-18 15:37:00,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1139 states, 1134 states have (on average 1.8412698412698412) internal successors, (2088), 1138 states have internal predecessors, (2088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:00,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1139 states to 1139 states and 2088 transitions. [2022-02-18 15:37:00,561 INFO L78 Accepts]: Start accepts. Automaton has 1139 states and 2088 transitions. Word has length 111 [2022-02-18 15:37:00,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:37:00,561 INFO L470 AbstractCegarLoop]: Abstraction has 1139 states and 2088 transitions. [2022-02-18 15:37:00,561 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:00,561 INFO L276 IsEmpty]: Start isEmpty. Operand 1139 states and 2088 transitions. [2022-02-18 15:37:00,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-02-18 15:37:00,562 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:37:00,562 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:37:00,562 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable83 [2022-02-18 15:37:00,562 INFO L402 AbstractCegarLoop]: === Iteration 85 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:37:00,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:37:00,563 INFO L85 PathProgramCache]: Analyzing trace with hash -92362186, now seen corresponding path program 15 times [2022-02-18 15:37:00,563 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:37:00,563 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878561601] [2022-02-18 15:37:00,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:37:00,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:37:00,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:37:00,963 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:37:00,963 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:37:00,963 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1878561601] [2022-02-18 15:37:00,963 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1878561601] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:37:00,963 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:37:00,963 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-02-18 15:37:00,964 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157593871] [2022-02-18 15:37:00,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:37:00,964 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-02-18 15:37:00,964 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:37:00,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-02-18 15:37:00,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2022-02-18 15:37:00,964 INFO L87 Difference]: Start difference. First operand 1139 states and 2088 transitions. Second operand has 19 states, 18 states have (on average 3.6666666666666665) internal successors, (66), 19 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:02,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:37:02,380 INFO L93 Difference]: Finished difference Result 1713 states and 3118 transitions. [2022-02-18 15:37:02,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-02-18 15:37:02,380 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.6666666666666665) internal successors, (66), 19 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-02-18 15:37:02,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:37:02,382 INFO L225 Difference]: With dead ends: 1713 [2022-02-18 15:37:02,382 INFO L226 Difference]: Without dead ends: 1713 [2022-02-18 15:37:02,382 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 412 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=404, Invalid=1402, Unknown=0, NotChecked=0, Total=1806 [2022-02-18 15:37:02,382 INFO L933 BasicCegarLoop]: 119 mSDtfsCounter, 889 mSDsluCounter, 860 mSDsCounter, 0 mSdLazyCounter, 1156 mSolverCounterSat, 117 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 889 SdHoareTripleChecker+Valid, 975 SdHoareTripleChecker+Invalid, 1273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 117 IncrementalHoareTripleChecker+Valid, 1156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-02-18 15:37:02,383 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [889 Valid, 975 Invalid, 1273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [117 Valid, 1156 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-02-18 15:37:02,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1713 states. [2022-02-18 15:37:02,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1713 to 1133. [2022-02-18 15:37:02,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1133 states, 1128 states have (on average 1.8404255319148937) internal successors, (2076), 1132 states have internal predecessors, (2076), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:02,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1133 states to 1133 states and 2076 transitions. [2022-02-18 15:37:02,393 INFO L78 Accepts]: Start accepts. Automaton has 1133 states and 2076 transitions. Word has length 111 [2022-02-18 15:37:02,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:37:02,394 INFO L470 AbstractCegarLoop]: Abstraction has 1133 states and 2076 transitions. [2022-02-18 15:37:02,394 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.6666666666666665) internal successors, (66), 19 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:02,394 INFO L276 IsEmpty]: Start isEmpty. Operand 1133 states and 2076 transitions. [2022-02-18 15:37:02,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-02-18 15:37:02,395 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:37:02,395 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:37:02,395 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable84 [2022-02-18 15:37:02,395 INFO L402 AbstractCegarLoop]: === Iteration 86 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:37:02,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:37:02,395 INFO L85 PathProgramCache]: Analyzing trace with hash 943271106, now seen corresponding path program 1 times [2022-02-18 15:37:02,395 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:37:02,395 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1204963386] [2022-02-18 15:37:02,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:37:02,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:37:02,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:37:02,454 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:37:02,455 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:37:02,455 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1204963386] [2022-02-18 15:37:02,455 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1204963386] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:37:02,455 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:37:02,455 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-02-18 15:37:02,455 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406210282] [2022-02-18 15:37:02,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:37:02,455 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-02-18 15:37:02,455 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:37:02,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-02-18 15:37:02,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2022-02-18 15:37:02,456 INFO L87 Difference]: Start difference. First operand 1133 states and 2076 transitions. Second operand has 8 states, 7 states have (on average 9.428571428571429) internal successors, (66), 8 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:02,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:37:02,619 INFO L93 Difference]: Finished difference Result 1176 states and 2156 transitions. [2022-02-18 15:37:02,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-18 15:37:02,620 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 9.428571428571429) internal successors, (66), 8 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-02-18 15:37:02,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:37:02,621 INFO L225 Difference]: With dead ends: 1176 [2022-02-18 15:37:02,621 INFO L226 Difference]: Without dead ends: 1176 [2022-02-18 15:37:02,621 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2022-02-18 15:37:02,621 INFO L933 BasicCegarLoop]: 101 mSDtfsCounter, 98 mSDsluCounter, 253 mSDsCounter, 0 mSdLazyCounter, 338 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 354 SdHoareTripleChecker+Invalid, 353 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 338 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-18 15:37:02,621 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [98 Valid, 354 Invalid, 353 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 338 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-18 15:37:02,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1176 states. [2022-02-18 15:37:02,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1176 to 1136. [2022-02-18 15:37:02,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1136 states, 1131 states have (on average 1.8408488063660478) internal successors, (2082), 1135 states have internal predecessors, (2082), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:02,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1136 states to 1136 states and 2082 transitions. [2022-02-18 15:37:02,631 INFO L78 Accepts]: Start accepts. Automaton has 1136 states and 2082 transitions. Word has length 111 [2022-02-18 15:37:02,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:37:02,632 INFO L470 AbstractCegarLoop]: Abstraction has 1136 states and 2082 transitions. [2022-02-18 15:37:02,632 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 9.428571428571429) internal successors, (66), 8 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:02,632 INFO L276 IsEmpty]: Start isEmpty. Operand 1136 states and 2082 transitions. [2022-02-18 15:37:02,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-02-18 15:37:02,633 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:37:02,633 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:37:02,633 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable85 [2022-02-18 15:37:02,633 INFO L402 AbstractCegarLoop]: === Iteration 87 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:37:02,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:37:02,633 INFO L85 PathProgramCache]: Analyzing trace with hash 993319986, now seen corresponding path program 2 times [2022-02-18 15:37:02,633 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:37:02,634 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1235987372] [2022-02-18 15:37:02,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:37:02,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:37:02,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:37:02,755 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:37:02,755 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:37:02,755 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1235987372] [2022-02-18 15:37:02,755 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1235987372] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:37:02,755 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:37:02,755 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:37:02,756 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [778350555] [2022-02-18 15:37:02,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:37:02,756 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:37:02,756 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:37:02,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:37:02,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:37:02,756 INFO L87 Difference]: Start difference. First operand 1136 states and 2082 transitions. Second operand has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:03,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:37:03,048 INFO L93 Difference]: Finished difference Result 1497 states and 2714 transitions. [2022-02-18 15:37:03,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-18 15:37:03,048 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-02-18 15:37:03,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:37:03,050 INFO L225 Difference]: With dead ends: 1497 [2022-02-18 15:37:03,050 INFO L226 Difference]: Without dead ends: 1497 [2022-02-18 15:37:03,050 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=91, Invalid=181, Unknown=0, NotChecked=0, Total=272 [2022-02-18 15:37:03,050 INFO L933 BasicCegarLoop]: 109 mSDtfsCounter, 255 mSDsluCounter, 244 mSDsCounter, 0 mSdLazyCounter, 362 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 255 SdHoareTripleChecker+Valid, 352 SdHoareTripleChecker+Invalid, 415 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 362 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-18 15:37:03,050 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [255 Valid, 352 Invalid, 415 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 362 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-18 15:37:03,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1497 states. [2022-02-18 15:37:03,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1497 to 1141. [2022-02-18 15:37:03,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1141 states, 1136 states have (on average 1.841549295774648) internal successors, (2092), 1140 states have internal predecessors, (2092), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:03,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1141 states to 1141 states and 2092 transitions. [2022-02-18 15:37:03,061 INFO L78 Accepts]: Start accepts. Automaton has 1141 states and 2092 transitions. Word has length 111 [2022-02-18 15:37:03,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:37:03,061 INFO L470 AbstractCegarLoop]: Abstraction has 1141 states and 2092 transitions. [2022-02-18 15:37:03,061 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:03,062 INFO L276 IsEmpty]: Start isEmpty. Operand 1141 states and 2092 transitions. [2022-02-18 15:37:03,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-02-18 15:37:03,063 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:37:03,063 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:37:03,063 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable86 [2022-02-18 15:37:03,063 INFO L402 AbstractCegarLoop]: === Iteration 88 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:37:03,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:37:03,063 INFO L85 PathProgramCache]: Analyzing trace with hash 994963296, now seen corresponding path program 3 times [2022-02-18 15:37:03,063 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:37:03,063 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1751428272] [2022-02-18 15:37:03,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:37:03,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:37:03,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:37:03,274 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:37:03,274 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:37:03,275 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1751428272] [2022-02-18 15:37:03,275 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1751428272] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:37:03,275 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:37:03,275 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:37:03,275 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [382566275] [2022-02-18 15:37:03,275 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:37:03,275 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:37:03,275 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:37:03,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:37:03,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:37:03,275 INFO L87 Difference]: Start difference. First operand 1141 states and 2092 transitions. Second operand has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:03,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:37:03,667 INFO L93 Difference]: Finished difference Result 1486 states and 2692 transitions. [2022-02-18 15:37:03,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-18 15:37:03,667 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-02-18 15:37:03,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:37:03,669 INFO L225 Difference]: With dead ends: 1486 [2022-02-18 15:37:03,669 INFO L226 Difference]: Without dead ends: 1486 [2022-02-18 15:37:03,669 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=91, Invalid=181, Unknown=0, NotChecked=0, Total=272 [2022-02-18 15:37:03,669 INFO L933 BasicCegarLoop]: 109 mSDtfsCounter, 257 mSDsluCounter, 247 mSDsCounter, 0 mSdLazyCounter, 368 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 257 SdHoareTripleChecker+Valid, 355 SdHoareTripleChecker+Invalid, 418 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 368 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-18 15:37:03,669 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [257 Valid, 355 Invalid, 418 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 368 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-18 15:37:03,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1486 states. [2022-02-18 15:37:03,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1486 to 1151. [2022-02-18 15:37:03,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1151 states, 1146 states have (on average 1.8429319371727748) internal successors, (2112), 1150 states have internal predecessors, (2112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:03,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1151 states to 1151 states and 2112 transitions. [2022-02-18 15:37:03,680 INFO L78 Accepts]: Start accepts. Automaton has 1151 states and 2112 transitions. Word has length 111 [2022-02-18 15:37:03,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:37:03,680 INFO L470 AbstractCegarLoop]: Abstraction has 1151 states and 2112 transitions. [2022-02-18 15:37:03,680 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:03,681 INFO L276 IsEmpty]: Start isEmpty. Operand 1151 states and 2112 transitions. [2022-02-18 15:37:03,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-02-18 15:37:03,682 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:37:03,682 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:37:03,682 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable87 [2022-02-18 15:37:03,682 INFO L402 AbstractCegarLoop]: === Iteration 89 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:37:03,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:37:03,682 INFO L85 PathProgramCache]: Analyzing trace with hash 995017236, now seen corresponding path program 4 times [2022-02-18 15:37:03,682 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:37:03,682 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1420134135] [2022-02-18 15:37:03,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:37:03,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:37:03,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:37:03,906 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:37:03,907 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:37:03,907 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1420134135] [2022-02-18 15:37:03,907 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1420134135] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:37:03,907 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:37:03,907 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:37:03,907 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2041736049] [2022-02-18 15:37:03,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:37:03,907 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:37:03,907 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:37:03,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:37:03,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:37:03,908 INFO L87 Difference]: Start difference. First operand 1151 states and 2112 transitions. Second operand has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:04,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:37:04,288 INFO L93 Difference]: Finished difference Result 1470 states and 2661 transitions. [2022-02-18 15:37:04,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-18 15:37:04,289 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-02-18 15:37:04,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:37:04,290 INFO L225 Difference]: With dead ends: 1470 [2022-02-18 15:37:04,290 INFO L226 Difference]: Without dead ends: 1470 [2022-02-18 15:37:04,290 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2022-02-18 15:37:04,290 INFO L933 BasicCegarLoop]: 109 mSDtfsCounter, 189 mSDsluCounter, 321 mSDsCounter, 0 mSdLazyCounter, 436 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 189 SdHoareTripleChecker+Valid, 429 SdHoareTripleChecker+Invalid, 474 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 436 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-18 15:37:04,291 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [189 Valid, 429 Invalid, 474 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 436 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-18 15:37:04,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1470 states. [2022-02-18 15:37:04,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1470 to 1163. [2022-02-18 15:37:04,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1163 states, 1158 states have (on average 1.8436960276338514) internal successors, (2135), 1162 states have internal predecessors, (2135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:04,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1163 states to 1163 states and 2135 transitions. [2022-02-18 15:37:04,301 INFO L78 Accepts]: Start accepts. Automaton has 1163 states and 2135 transitions. Word has length 111 [2022-02-18 15:37:04,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:37:04,301 INFO L470 AbstractCegarLoop]: Abstraction has 1163 states and 2135 transitions. [2022-02-18 15:37:04,301 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:04,301 INFO L276 IsEmpty]: Start isEmpty. Operand 1163 states and 2135 transitions. [2022-02-18 15:37:04,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-02-18 15:37:04,302 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:37:04,302 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] [2022-02-18 15:37:04,302 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable88 [2022-02-18 15:37:04,302 INFO L402 AbstractCegarLoop]: === Iteration 90 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:37:04,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:37:04,302 INFO L85 PathProgramCache]: Analyzing trace with hash -1369496136, now seen corresponding path program 5 times [2022-02-18 15:37:04,302 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:37:04,302 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [887419607] [2022-02-18 15:37:04,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:37:04,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:37:04,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:37:04,571 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:37:04,571 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:37:04,571 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [887419607] [2022-02-18 15:37:04,571 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [887419607] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:37:04,571 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:37:04,572 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:37:04,572 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1180688862] [2022-02-18 15:37:04,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:37:04,572 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:37:04,572 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:37:04,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:37:04,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:37:04,572 INFO L87 Difference]: Start difference. First operand 1163 states and 2135 transitions. Second operand has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:05,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:37:05,068 INFO L93 Difference]: Finished difference Result 1464 states and 2650 transitions. [2022-02-18 15:37:05,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-18 15:37:05,068 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-02-18 15:37:05,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:37:05,070 INFO L225 Difference]: With dead ends: 1464 [2022-02-18 15:37:05,070 INFO L226 Difference]: Without dead ends: 1464 [2022-02-18 15:37:05,070 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 [2022-02-18 15:37:05,070 INFO L933 BasicCegarLoop]: 110 mSDtfsCounter, 166 mSDsluCounter, 462 mSDsCounter, 0 mSdLazyCounter, 613 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 571 SdHoareTripleChecker+Invalid, 646 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 613 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-18 15:37:05,070 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [166 Valid, 571 Invalid, 646 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 613 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-18 15:37:05,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1464 states. [2022-02-18 15:37:05,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1464 to 1173. [2022-02-18 15:37:05,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1173 states, 1168 states have (on average 1.836472602739726) internal successors, (2145), 1172 states have internal predecessors, (2145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:05,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1173 states to 1173 states and 2145 transitions. [2022-02-18 15:37:05,080 INFO L78 Accepts]: Start accepts. Automaton has 1173 states and 2145 transitions. Word has length 111 [2022-02-18 15:37:05,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:37:05,080 INFO L470 AbstractCegarLoop]: Abstraction has 1173 states and 2145 transitions. [2022-02-18 15:37:05,080 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:05,080 INFO L276 IsEmpty]: Start isEmpty. Operand 1173 states and 2145 transitions. [2022-02-18 15:37:05,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-02-18 15:37:05,081 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:37:05,081 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:37:05,081 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable89 [2022-02-18 15:37:05,081 INFO L402 AbstractCegarLoop]: === Iteration 91 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:37:05,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:37:05,082 INFO L85 PathProgramCache]: Analyzing trace with hash 966891744, now seen corresponding path program 16 times [2022-02-18 15:37:05,082 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:37:05,082 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1924056758] [2022-02-18 15:37:05,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:37:05,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:37:05,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:37:05,387 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:37:05,388 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:37:05,388 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1924056758] [2022-02-18 15:37:05,388 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1924056758] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:37:05,388 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:37:05,388 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:37:05,388 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1739145704] [2022-02-18 15:37:05,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:37:05,388 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:37:05,388 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:37:05,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:37:05,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:37:05,389 INFO L87 Difference]: Start difference. First operand 1173 states and 2145 transitions. Second operand has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:05,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:37:05,800 INFO L93 Difference]: Finished difference Result 1516 states and 2744 transitions. [2022-02-18 15:37:05,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-18 15:37:05,801 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-02-18 15:37:05,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:37:05,802 INFO L225 Difference]: With dead ends: 1516 [2022-02-18 15:37:05,802 INFO L226 Difference]: Without dead ends: 1516 [2022-02-18 15:37:05,802 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 [2022-02-18 15:37:05,802 INFO L933 BasicCegarLoop]: 118 mSDtfsCounter, 187 mSDsluCounter, 341 mSDsCounter, 0 mSdLazyCounter, 633 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 187 SdHoareTripleChecker+Valid, 458 SdHoareTripleChecker+Invalid, 662 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 633 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-18 15:37:05,803 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [187 Valid, 458 Invalid, 662 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 633 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-18 15:37:05,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1516 states. [2022-02-18 15:37:05,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1516 to 1145. [2022-02-18 15:37:05,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1145 states, 1140 states have (on average 1.8350877192982455) internal successors, (2092), 1144 states have internal predecessors, (2092), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:05,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1145 states to 1145 states and 2092 transitions. [2022-02-18 15:37:05,812 INFO L78 Accepts]: Start accepts. Automaton has 1145 states and 2092 transitions. Word has length 111 [2022-02-18 15:37:05,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:37:05,812 INFO L470 AbstractCegarLoop]: Abstraction has 1145 states and 2092 transitions. [2022-02-18 15:37:05,812 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:05,812 INFO L276 IsEmpty]: Start isEmpty. Operand 1145 states and 2092 transitions. [2022-02-18 15:37:05,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-02-18 15:37:05,813 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:37:05,813 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:37:05,814 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90 [2022-02-18 15:37:05,814 INFO L402 AbstractCegarLoop]: === Iteration 92 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:37:05,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:37:05,814 INFO L85 PathProgramCache]: Analyzing trace with hash 862141272, now seen corresponding path program 3 times [2022-02-18 15:37:05,814 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:37:05,814 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166970582] [2022-02-18 15:37:05,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:37:05,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:37:05,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:37:06,035 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:37:06,035 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:37:06,035 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166970582] [2022-02-18 15:37:06,035 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [166970582] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:37:06,035 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:37:06,036 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:37:06,036 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2062212418] [2022-02-18 15:37:06,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:37:06,036 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:37:06,036 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:37:06,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:37:06,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:37:06,036 INFO L87 Difference]: Start difference. First operand 1145 states and 2092 transitions. Second operand has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:06,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:37:06,429 INFO L93 Difference]: Finished difference Result 1526 states and 2757 transitions. [2022-02-18 15:37:06,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-18 15:37:06,430 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-02-18 15:37:06,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:37:06,432 INFO L225 Difference]: With dead ends: 1526 [2022-02-18 15:37:06,432 INFO L226 Difference]: Without dead ends: 1526 [2022-02-18 15:37:06,432 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 [2022-02-18 15:37:06,432 INFO L933 BasicCegarLoop]: 120 mSDtfsCounter, 208 mSDsluCounter, 375 mSDsCounter, 0 mSdLazyCounter, 575 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 208 SdHoareTripleChecker+Valid, 495 SdHoareTripleChecker+Invalid, 620 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 575 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-18 15:37:06,432 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [208 Valid, 495 Invalid, 620 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 575 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-18 15:37:06,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1526 states. [2022-02-18 15:37:06,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1526 to 1137. [2022-02-18 15:37:06,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1137 states, 1132 states have (on average 1.8339222614840989) internal successors, (2076), 1136 states have internal predecessors, (2076), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:06,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1137 states to 1137 states and 2076 transitions. [2022-02-18 15:37:06,443 INFO L78 Accepts]: Start accepts. Automaton has 1137 states and 2076 transitions. Word has length 111 [2022-02-18 15:37:06,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:37:06,443 INFO L470 AbstractCegarLoop]: Abstraction has 1137 states and 2076 transitions. [2022-02-18 15:37:06,443 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:06,443 INFO L276 IsEmpty]: Start isEmpty. Operand 1137 states and 2076 transitions. [2022-02-18 15:37:06,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-02-18 15:37:06,444 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:37:06,444 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] [2022-02-18 15:37:06,444 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable91 [2022-02-18 15:37:06,444 INFO L402 AbstractCegarLoop]: === Iteration 93 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:37:06,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:37:06,445 INFO L85 PathProgramCache]: Analyzing trace with hash -594622156, now seen corresponding path program 4 times [2022-02-18 15:37:06,445 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:37:06,445 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256413262] [2022-02-18 15:37:06,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:37:06,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:37:06,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:37:06,731 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:37:06,731 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:37:06,731 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [256413262] [2022-02-18 15:37:06,731 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [256413262] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:37:06,731 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:37:06,731 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:37:06,731 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1597925730] [2022-02-18 15:37:06,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:37:06,732 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:37:06,732 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:37:06,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:37:06,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:37:06,732 INFO L87 Difference]: Start difference. First operand 1137 states and 2076 transitions. Second operand has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:07,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:37:07,187 INFO L93 Difference]: Finished difference Result 1511 states and 2727 transitions. [2022-02-18 15:37:07,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-18 15:37:07,187 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-02-18 15:37:07,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:37:07,189 INFO L225 Difference]: With dead ends: 1511 [2022-02-18 15:37:07,189 INFO L226 Difference]: Without dead ends: 1511 [2022-02-18 15:37:07,189 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=54, Invalid=78, Unknown=0, NotChecked=0, Total=132 [2022-02-18 15:37:07,189 INFO L933 BasicCegarLoop]: 120 mSDtfsCounter, 200 mSDsluCounter, 340 mSDsCounter, 0 mSdLazyCounter, 550 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 200 SdHoareTripleChecker+Valid, 460 SdHoareTripleChecker+Invalid, 600 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 550 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-18 15:37:07,189 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [200 Valid, 460 Invalid, 600 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 550 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-18 15:37:07,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1511 states. [2022-02-18 15:37:07,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1511 to 1135. [2022-02-18 15:37:07,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1135 states, 1130 states have (on average 1.8336283185840707) internal successors, (2072), 1134 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) [2022-02-18 15:37:07,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1135 states to 1135 states and 2072 transitions. [2022-02-18 15:37:07,202 INFO L78 Accepts]: Start accepts. Automaton has 1135 states and 2072 transitions. Word has length 111 [2022-02-18 15:37:07,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:37:07,202 INFO L470 AbstractCegarLoop]: Abstraction has 1135 states and 2072 transitions. [2022-02-18 15:37:07,202 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:07,202 INFO L276 IsEmpty]: Start isEmpty. Operand 1135 states and 2072 transitions. [2022-02-18 15:37:07,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-02-18 15:37:07,203 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:37:07,203 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:37:07,203 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable92 [2022-02-18 15:37:07,203 INFO L402 AbstractCegarLoop]: === Iteration 94 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:37:07,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:37:07,204 INFO L85 PathProgramCache]: Analyzing trace with hash 1779923954, now seen corresponding path program 6 times [2022-02-18 15:37:07,204 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:37:07,204 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [34244465] [2022-02-18 15:37:07,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:37:07,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:37:07,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:37:07,344 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:37:07,345 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:37:07,345 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [34244465] [2022-02-18 15:37:07,345 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [34244465] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:37:07,345 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:37:07,345 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:37:07,345 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153008850] [2022-02-18 15:37:07,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:37:07,345 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:37:07,345 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:37:07,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:37:07,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:37:07,345 INFO L87 Difference]: Start difference. First operand 1135 states and 2072 transitions. Second operand has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:07,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:37:07,619 INFO L93 Difference]: Finished difference Result 1524 states and 2758 transitions. [2022-02-18 15:37:07,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-18 15:37:07,619 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-02-18 15:37:07,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:37:07,621 INFO L225 Difference]: With dead ends: 1524 [2022-02-18 15:37:07,621 INFO L226 Difference]: Without dead ends: 1524 [2022-02-18 15:37:07,621 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=68, Invalid=114, Unknown=0, NotChecked=0, Total=182 [2022-02-18 15:37:07,621 INFO L933 BasicCegarLoop]: 118 mSDtfsCounter, 202 mSDsluCounter, 351 mSDsCounter, 0 mSdLazyCounter, 506 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 202 SdHoareTripleChecker+Valid, 469 SdHoareTripleChecker+Invalid, 535 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 506 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-18 15:37:07,621 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [202 Valid, 469 Invalid, 535 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 506 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-18 15:37:07,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1524 states. [2022-02-18 15:37:07,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1524 to 1138. [2022-02-18 15:37:07,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1138 states, 1133 states have (on average 1.8340688437775816) internal successors, (2078), 1137 states have internal predecessors, (2078), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:07,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1138 states to 1138 states and 2078 transitions. [2022-02-18 15:37:07,633 INFO L78 Accepts]: Start accepts. Automaton has 1138 states and 2078 transitions. Word has length 111 [2022-02-18 15:37:07,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:37:07,633 INFO L470 AbstractCegarLoop]: Abstraction has 1138 states and 2078 transitions. [2022-02-18 15:37:07,633 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:07,633 INFO L276 IsEmpty]: Start isEmpty. Operand 1138 states and 2078 transitions. [2022-02-18 15:37:07,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-02-18 15:37:07,634 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:37:07,634 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:37:07,634 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable93 [2022-02-18 15:37:07,634 INFO L402 AbstractCegarLoop]: === Iteration 95 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:37:07,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:37:07,634 INFO L85 PathProgramCache]: Analyzing trace with hash 1781567264, now seen corresponding path program 7 times [2022-02-18 15:37:07,634 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:37:07,634 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1149676636] [2022-02-18 15:37:07,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:37:07,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:37:07,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:37:07,799 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:37:07,799 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:37:07,800 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1149676636] [2022-02-18 15:37:07,800 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1149676636] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:37:07,800 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:37:07,800 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:37:07,800 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129219772] [2022-02-18 15:37:07,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:37:07,800 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:37:07,800 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:37:07,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:37:07,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:37:07,800 INFO L87 Difference]: Start difference. First operand 1138 states and 2078 transitions. Second operand has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:08,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:37:08,234 INFO L93 Difference]: Finished difference Result 1513 states and 2736 transitions. [2022-02-18 15:37:08,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-18 15:37:08,234 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-02-18 15:37:08,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:37:08,236 INFO L225 Difference]: With dead ends: 1513 [2022-02-18 15:37:08,236 INFO L226 Difference]: Without dead ends: 1513 [2022-02-18 15:37:08,236 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=60, Invalid=96, Unknown=0, NotChecked=0, Total=156 [2022-02-18 15:37:08,236 INFO L933 BasicCegarLoop]: 118 mSDtfsCounter, 195 mSDsluCounter, 382 mSDsCounter, 0 mSdLazyCounter, 651 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 195 SdHoareTripleChecker+Valid, 500 SdHoareTripleChecker+Invalid, 676 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 651 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-18 15:37:08,236 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [195 Valid, 500 Invalid, 676 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 651 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-18 15:37:08,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1513 states. [2022-02-18 15:37:08,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1513 to 1141. [2022-02-18 15:37:08,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1141 states, 1136 states have (on average 1.8345070422535212) internal successors, (2084), 1140 states have internal predecessors, (2084), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:08,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1141 states to 1141 states and 2084 transitions. [2022-02-18 15:37:08,246 INFO L78 Accepts]: Start accepts. Automaton has 1141 states and 2084 transitions. Word has length 111 [2022-02-18 15:37:08,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:37:08,246 INFO L470 AbstractCegarLoop]: Abstraction has 1141 states and 2084 transitions. [2022-02-18 15:37:08,246 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:08,246 INFO L276 IsEmpty]: Start isEmpty. Operand 1141 states and 2084 transitions. [2022-02-18 15:37:08,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-02-18 15:37:08,247 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:37:08,247 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:37:08,247 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable94 [2022-02-18 15:37:08,248 INFO L402 AbstractCegarLoop]: === Iteration 96 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:37:08,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:37:08,248 INFO L85 PathProgramCache]: Analyzing trace with hash 1781621204, now seen corresponding path program 8 times [2022-02-18 15:37:08,248 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:37:08,248 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1298374328] [2022-02-18 15:37:08,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:37:08,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:37:08,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:37:08,457 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:37:08,457 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:37:08,457 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1298374328] [2022-02-18 15:37:08,457 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1298374328] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:37:08,458 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:37:08,458 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:37:08,458 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441909870] [2022-02-18 15:37:08,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:37:08,458 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:37:08,458 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:37:08,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:37:08,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:37:08,458 INFO L87 Difference]: Start difference. First operand 1141 states and 2084 transitions. Second operand has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:08,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:37:08,799 INFO L93 Difference]: Finished difference Result 1497 states and 2705 transitions. [2022-02-18 15:37:08,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-18 15:37:08,799 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-02-18 15:37:08,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:37:08,801 INFO L225 Difference]: With dead ends: 1497 [2022-02-18 15:37:08,801 INFO L226 Difference]: Without dead ends: 1497 [2022-02-18 15:37:08,801 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2022-02-18 15:37:08,801 INFO L933 BasicCegarLoop]: 118 mSDtfsCounter, 192 mSDsluCounter, 313 mSDsCounter, 0 mSdLazyCounter, 493 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 192 SdHoareTripleChecker+Valid, 431 SdHoareTripleChecker+Invalid, 522 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 493 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-18 15:37:08,802 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [192 Valid, 431 Invalid, 522 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 493 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-18 15:37:08,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1497 states. [2022-02-18 15:37:08,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1497 to 1117. [2022-02-18 15:37:08,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1117 states, 1112 states have (on average 1.830935251798561) internal successors, (2036), 1116 states have internal predecessors, (2036), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:08,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1117 states to 1117 states and 2036 transitions. [2022-02-18 15:37:08,819 INFO L78 Accepts]: Start accepts. Automaton has 1117 states and 2036 transitions. Word has length 111 [2022-02-18 15:37:08,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:37:08,819 INFO L470 AbstractCegarLoop]: Abstraction has 1117 states and 2036 transitions. [2022-02-18 15:37:08,819 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:08,819 INFO L276 IsEmpty]: Start isEmpty. Operand 1117 states and 2036 transitions. [2022-02-18 15:37:08,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-02-18 15:37:08,821 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:37:08,821 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:37:08,821 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable95 [2022-02-18 15:37:08,821 INFO L402 AbstractCegarLoop]: === Iteration 97 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:37:08,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:37:08,822 INFO L85 PathProgramCache]: Analyzing trace with hash -1356247706, now seen corresponding path program 9 times [2022-02-18 15:37:08,822 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:37:08,822 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1603121255] [2022-02-18 15:37:08,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:37:08,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:37:08,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:37:09,097 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:37:09,097 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:37:09,097 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1603121255] [2022-02-18 15:37:09,097 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1603121255] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:37:09,097 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:37:09,097 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:37:09,111 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1108752214] [2022-02-18 15:37:09,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:37:09,111 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:37:09,111 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:37:09,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:37:09,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:37:09,112 INFO L87 Difference]: Start difference. First operand 1117 states and 2036 transitions. Second operand has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:09,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:37:09,525 INFO L93 Difference]: Finished difference Result 1491 states and 2694 transitions. [2022-02-18 15:37:09,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-18 15:37:09,525 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-02-18 15:37:09,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:37:09,527 INFO L225 Difference]: With dead ends: 1491 [2022-02-18 15:37:09,527 INFO L226 Difference]: Without dead ends: 1491 [2022-02-18 15:37:09,527 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 [2022-02-18 15:37:09,527 INFO L933 BasicCegarLoop]: 118 mSDtfsCounter, 191 mSDsluCounter, 353 mSDsCounter, 0 mSdLazyCounter, 510 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 191 SdHoareTripleChecker+Valid, 471 SdHoareTripleChecker+Invalid, 542 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 510 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-18 15:37:09,527 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [191 Valid, 471 Invalid, 542 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 510 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-18 15:37:09,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1491 states. [2022-02-18 15:37:09,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1491 to 966. [2022-02-18 15:37:09,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 966 states, 961 states have (on average 1.8106139438085327) internal successors, (1740), 965 states have internal predecessors, (1740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:09,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 966 states to 966 states and 1740 transitions. [2022-02-18 15:37:09,561 INFO L78 Accepts]: Start accepts. Automaton has 966 states and 1740 transitions. Word has length 111 [2022-02-18 15:37:09,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:37:09,562 INFO L470 AbstractCegarLoop]: Abstraction has 966 states and 1740 transitions. [2022-02-18 15:37:09,562 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:09,562 INFO L276 IsEmpty]: Start isEmpty. Operand 966 states and 1740 transitions. [2022-02-18 15:37:09,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-02-18 15:37:09,562 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:37:09,563 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:37:09,563 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable96 [2022-02-18 15:37:09,563 INFO L402 AbstractCegarLoop]: === Iteration 98 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:37:09,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:37:09,563 INFO L85 PathProgramCache]: Analyzing trace with hash 1652160784, now seen corresponding path program 17 times [2022-02-18 15:37:09,563 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:37:09,563 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268003978] [2022-02-18 15:37:09,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:37:09,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:37:09,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:37:10,123 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:37:10,124 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:37:10,124 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1268003978] [2022-02-18 15:37:10,124 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1268003978] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:37:10,124 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:37:10,124 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-02-18 15:37:10,124 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998488880] [2022-02-18 15:37:10,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:37:10,124 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-02-18 15:37:10,124 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:37:10,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-02-18 15:37:10,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=278, Unknown=0, NotChecked=0, Total=342 [2022-02-18 15:37:10,125 INFO L87 Difference]: Start difference. First operand 966 states and 1740 transitions. Second operand has 19 states, 18 states have (on average 3.6666666666666665) internal successors, (66), 19 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:11,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:37:11,876 INFO L93 Difference]: Finished difference Result 1556 states and 2824 transitions. [2022-02-18 15:37:11,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-02-18 15:37:11,877 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.6666666666666665) internal successors, (66), 19 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-02-18 15:37:11,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:37:11,878 INFO L225 Difference]: With dead ends: 1556 [2022-02-18 15:37:11,878 INFO L226 Difference]: Without dead ends: 1556 [2022-02-18 15:37:11,879 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 321 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=346, Invalid=1214, Unknown=0, NotChecked=0, Total=1560 [2022-02-18 15:37:11,879 INFO L933 BasicCegarLoop]: 111 mSDtfsCounter, 475 mSDsluCounter, 935 mSDsCounter, 0 mSdLazyCounter, 2005 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 475 SdHoareTripleChecker+Valid, 1045 SdHoareTripleChecker+Invalid, 2062 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 2005 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-02-18 15:37:11,879 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [475 Valid, 1045 Invalid, 2062 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 2005 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-02-18 15:37:11,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1556 states. [2022-02-18 15:37:11,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1556 to 965. [2022-02-18 15:37:11,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 965 states, 960 states have (on average 1.8114583333333334) internal successors, (1739), 964 states have internal predecessors, (1739), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:11,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 965 states to 965 states and 1739 transitions. [2022-02-18 15:37:11,887 INFO L78 Accepts]: Start accepts. Automaton has 965 states and 1739 transitions. Word has length 111 [2022-02-18 15:37:11,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:37:11,887 INFO L470 AbstractCegarLoop]: Abstraction has 965 states and 1739 transitions. [2022-02-18 15:37:11,888 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.6666666666666665) internal successors, (66), 19 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:11,888 INFO L276 IsEmpty]: Start isEmpty. Operand 965 states and 1739 transitions. [2022-02-18 15:37:11,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-02-18 15:37:11,888 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:37:11,888 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:37:11,888 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable97 [2022-02-18 15:37:11,888 INFO L402 AbstractCegarLoop]: === Iteration 99 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:37:11,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:37:11,889 INFO L85 PathProgramCache]: Analyzing trace with hash -934571788, now seen corresponding path program 18 times [2022-02-18 15:37:11,889 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:37:11,889 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1631513090] [2022-02-18 15:37:11,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:37:11,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:37:11,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:37:12,450 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:37:12,451 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:37:12,451 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1631513090] [2022-02-18 15:37:12,451 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1631513090] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:37:12,451 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:37:12,451 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-02-18 15:37:12,451 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445905656] [2022-02-18 15:37:12,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:37:12,451 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-02-18 15:37:12,451 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:37:12,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-02-18 15:37:12,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=278, Unknown=0, NotChecked=0, Total=342 [2022-02-18 15:37:12,451 INFO L87 Difference]: Start difference. First operand 965 states and 1739 transitions. Second operand has 19 states, 18 states have (on average 3.6666666666666665) internal successors, (66), 19 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:13,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:37:13,958 INFO L93 Difference]: Finished difference Result 1574 states and 2855 transitions. [2022-02-18 15:37:13,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-02-18 15:37:13,958 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.6666666666666665) internal successors, (66), 19 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-02-18 15:37:13,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:37:13,960 INFO L225 Difference]: With dead ends: 1574 [2022-02-18 15:37:13,960 INFO L226 Difference]: Without dead ends: 1574 [2022-02-18 15:37:13,960 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 323 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=344, Invalid=1216, Unknown=0, NotChecked=0, Total=1560 [2022-02-18 15:37:13,960 INFO L933 BasicCegarLoop]: 109 mSDtfsCounter, 587 mSDsluCounter, 665 mSDsCounter, 0 mSdLazyCounter, 1404 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 587 SdHoareTripleChecker+Valid, 773 SdHoareTripleChecker+Invalid, 1462 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 1404 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-02-18 15:37:13,960 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [587 Valid, 773 Invalid, 1462 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 1404 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-02-18 15:37:13,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1574 states. [2022-02-18 15:37:13,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1574 to 964. [2022-02-18 15:37:13,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 964 states, 959 states have (on average 1.81126173096976) internal successors, (1737), 963 states have internal predecessors, (1737), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:13,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 964 states to 964 states and 1737 transitions. [2022-02-18 15:37:13,970 INFO L78 Accepts]: Start accepts. Automaton has 964 states and 1737 transitions. Word has length 111 [2022-02-18 15:37:13,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:37:13,970 INFO L470 AbstractCegarLoop]: Abstraction has 964 states and 1737 transitions. [2022-02-18 15:37:13,970 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.6666666666666665) internal successors, (66), 19 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:13,971 INFO L276 IsEmpty]: Start isEmpty. Operand 964 states and 1737 transitions. [2022-02-18 15:37:13,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-02-18 15:37:13,971 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:37:13,971 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:37:13,971 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable98 [2022-02-18 15:37:13,971 INFO L402 AbstractCegarLoop]: === Iteration 100 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:37:13,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:37:13,972 INFO L85 PathProgramCache]: Analyzing trace with hash 1262667654, now seen corresponding path program 19 times [2022-02-18 15:37:13,972 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:37:13,972 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [135413228] [2022-02-18 15:37:13,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:37:13,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:37:13,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:37:14,301 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:37:14,301 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:37:14,302 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [135413228] [2022-02-18 15:37:14,302 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [135413228] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:37:14,302 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:37:14,302 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:37:14,302 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740237030] [2022-02-18 15:37:14,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:37:14,302 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:37:14,302 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:37:14,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:37:14,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:37:14,302 INFO L87 Difference]: Start difference. First operand 964 states and 1737 transitions. Second operand has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:14,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:37:14,697 INFO L93 Difference]: Finished difference Result 1051 states and 1889 transitions. [2022-02-18 15:37:14,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-18 15:37:14,697 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-02-18 15:37:14,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:37:14,698 INFO L225 Difference]: With dead ends: 1051 [2022-02-18 15:37:14,698 INFO L226 Difference]: Without dead ends: 1051 [2022-02-18 15:37:14,698 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=74, Invalid=108, Unknown=0, NotChecked=0, Total=182 [2022-02-18 15:37:14,698 INFO L933 BasicCegarLoop]: 98 mSDtfsCounter, 136 mSDsluCounter, 250 mSDsCounter, 0 mSdLazyCounter, 433 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 347 SdHoareTripleChecker+Invalid, 464 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 433 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-18 15:37:14,699 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [136 Valid, 347 Invalid, 464 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 433 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-18 15:37:14,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1051 states. [2022-02-18 15:37:14,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1051 to 963. [2022-02-18 15:37:14,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 963 states, 958 states have (on average 1.8110647181628392) internal successors, (1735), 962 states have internal predecessors, (1735), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:14,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 963 states to 963 states and 1735 transitions. [2022-02-18 15:37:14,707 INFO L78 Accepts]: Start accepts. Automaton has 963 states and 1735 transitions. Word has length 111 [2022-02-18 15:37:14,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:37:14,707 INFO L470 AbstractCegarLoop]: Abstraction has 963 states and 1735 transitions. [2022-02-18 15:37:14,707 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:14,707 INFO L276 IsEmpty]: Start isEmpty. Operand 963 states and 1735 transitions. [2022-02-18 15:37:14,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-02-18 15:37:14,707 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:37:14,708 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:37:14,708 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable99 [2022-02-18 15:37:14,708 INFO L402 AbstractCegarLoop]: === Iteration 101 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:37:14,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:37:14,708 INFO L85 PathProgramCache]: Analyzing trace with hash -260336570, now seen corresponding path program 20 times [2022-02-18 15:37:14,708 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:37:14,708 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [199523238] [2022-02-18 15:37:14,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:37:14,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:37:14,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:37:15,234 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:37:15,234 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:37:15,234 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [199523238] [2022-02-18 15:37:15,234 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [199523238] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:37:15,234 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:37:15,234 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-02-18 15:37:15,234 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2094170803] [2022-02-18 15:37:15,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:37:15,235 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-02-18 15:37:15,235 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:37:15,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-02-18 15:37:15,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=278, Unknown=0, NotChecked=0, Total=342 [2022-02-18 15:37:15,235 INFO L87 Difference]: Start difference. First operand 963 states and 1735 transitions. Second operand has 19 states, 18 states have (on average 3.6666666666666665) internal successors, (66), 19 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:16,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:37:16,533 INFO L93 Difference]: Finished difference Result 1574 states and 2860 transitions. [2022-02-18 15:37:16,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-02-18 15:37:16,534 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.6666666666666665) internal successors, (66), 19 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-02-18 15:37:16,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:37:16,535 INFO L225 Difference]: With dead ends: 1574 [2022-02-18 15:37:16,535 INFO L226 Difference]: Without dead ends: 1574 [2022-02-18 15:37:16,535 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 292 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=303, Invalid=1103, Unknown=0, NotChecked=0, Total=1406 [2022-02-18 15:37:16,536 INFO L933 BasicCegarLoop]: 99 mSDtfsCounter, 541 mSDsluCounter, 613 mSDsCounter, 0 mSdLazyCounter, 1134 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 541 SdHoareTripleChecker+Valid, 711 SdHoareTripleChecker+Invalid, 1190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 1134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-02-18 15:37:16,536 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [541 Valid, 711 Invalid, 1190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 1134 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-02-18 15:37:16,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1574 states. [2022-02-18 15:37:16,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1574 to 925. [2022-02-18 15:37:16,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 925 states, 920 states have (on average 1.808695652173913) internal successors, (1664), 924 states have internal predecessors, (1664), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:16,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 925 states to 925 states and 1664 transitions. [2022-02-18 15:37:16,544 INFO L78 Accepts]: Start accepts. Automaton has 925 states and 1664 transitions. Word has length 111 [2022-02-18 15:37:16,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:37:16,544 INFO L470 AbstractCegarLoop]: Abstraction has 925 states and 1664 transitions. [2022-02-18 15:37:16,544 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.6666666666666665) internal successors, (66), 19 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:16,544 INFO L276 IsEmpty]: Start isEmpty. Operand 925 states and 1664 transitions. [2022-02-18 15:37:16,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-02-18 15:37:16,545 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:37:16,545 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:37:16,545 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable100 [2022-02-18 15:37:16,545 INFO L402 AbstractCegarLoop]: === Iteration 102 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:37:16,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:37:16,545 INFO L85 PathProgramCache]: Analyzing trace with hash 301567828, now seen corresponding path program 10 times [2022-02-18 15:37:16,545 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:37:16,545 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [26033857] [2022-02-18 15:37:16,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:37:16,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:37:16,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:37:16,906 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:37:16,906 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:37:16,906 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [26033857] [2022-02-18 15:37:16,906 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [26033857] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:37:16,906 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:37:16,906 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:37:16,906 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1776149026] [2022-02-18 15:37:16,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:37:16,907 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:37:16,908 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:37:16,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:37:16,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:37:16,910 INFO L87 Difference]: Start difference. First operand 925 states and 1664 transitions. Second operand has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:17,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:37:17,372 INFO L93 Difference]: Finished difference Result 957 states and 1719 transitions. [2022-02-18 15:37:17,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-18 15:37:17,372 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-02-18 15:37:17,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:37:17,373 INFO L225 Difference]: With dead ends: 957 [2022-02-18 15:37:17,373 INFO L226 Difference]: Without dead ends: 957 [2022-02-18 15:37:17,373 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 [2022-02-18 15:37:17,373 INFO L933 BasicCegarLoop]: 107 mSDtfsCounter, 159 mSDsluCounter, 294 mSDsCounter, 0 mSdLazyCounter, 443 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 401 SdHoareTripleChecker+Invalid, 482 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 443 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-18 15:37:17,373 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [159 Valid, 401 Invalid, 482 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 443 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-18 15:37:17,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 957 states. [2022-02-18 15:37:17,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 957 to 925. [2022-02-18 15:37:17,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 925 states, 920 states have (on average 1.808695652173913) internal successors, (1664), 924 states have internal predecessors, (1664), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:17,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 925 states to 925 states and 1664 transitions. [2022-02-18 15:37:17,380 INFO L78 Accepts]: Start accepts. Automaton has 925 states and 1664 transitions. Word has length 111 [2022-02-18 15:37:17,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:37:17,381 INFO L470 AbstractCegarLoop]: Abstraction has 925 states and 1664 transitions. [2022-02-18 15:37:17,381 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:17,381 INFO L276 IsEmpty]: Start isEmpty. Operand 925 states and 1664 transitions. [2022-02-18 15:37:17,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-02-18 15:37:17,383 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:37:17,383 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] [2022-02-18 15:37:17,383 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable101 [2022-02-18 15:37:17,383 INFO L402 AbstractCegarLoop]: === Iteration 103 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:37:17,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:37:17,383 INFO L85 PathProgramCache]: Analyzing trace with hash -1410829418, now seen corresponding path program 11 times [2022-02-18 15:37:17,383 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:37:17,384 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [222682274] [2022-02-18 15:37:17,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:37:17,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:37:17,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:37:17,685 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:37:17,686 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:37:17,686 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [222682274] [2022-02-18 15:37:17,686 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [222682274] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:37:17,686 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:37:17,686 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:37:17,686 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56931525] [2022-02-18 15:37:17,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:37:17,686 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:37:17,686 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:37:17,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:37:17,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:37:17,687 INFO L87 Difference]: Start difference. First operand 925 states and 1664 transitions. Second operand has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:18,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:37:18,026 INFO L93 Difference]: Finished difference Result 967 states and 1734 transitions. [2022-02-18 15:37:18,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-18 15:37:18,026 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-02-18 15:37:18,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:37:18,027 INFO L225 Difference]: With dead ends: 967 [2022-02-18 15:37:18,027 INFO L226 Difference]: Without dead ends: 967 [2022-02-18 15:37:18,027 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-02-18 15:37:18,027 INFO L933 BasicCegarLoop]: 103 mSDtfsCounter, 139 mSDsluCounter, 321 mSDsCounter, 0 mSdLazyCounter, 500 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 424 SdHoareTripleChecker+Invalid, 533 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 500 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-18 15:37:18,027 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [139 Valid, 424 Invalid, 533 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 500 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-18 15:37:18,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 967 states. [2022-02-18 15:37:18,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 967 to 925. [2022-02-18 15:37:18,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 925 states, 920 states have (on average 1.808695652173913) internal successors, (1664), 924 states have internal predecessors, (1664), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:18,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 925 states to 925 states and 1664 transitions. [2022-02-18 15:37:18,035 INFO L78 Accepts]: Start accepts. Automaton has 925 states and 1664 transitions. Word has length 111 [2022-02-18 15:37:18,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:37:18,035 INFO L470 AbstractCegarLoop]: Abstraction has 925 states and 1664 transitions. [2022-02-18 15:37:18,035 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:18,035 INFO L276 IsEmpty]: Start isEmpty. Operand 925 states and 1664 transitions. [2022-02-18 15:37:18,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-02-18 15:37:18,035 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:37:18,036 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] [2022-02-18 15:37:18,036 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable102 [2022-02-18 15:37:18,036 INFO L402 AbstractCegarLoop]: === Iteration 104 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:37:18,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:37:18,036 INFO L85 PathProgramCache]: Analyzing trace with hash -2100229838, now seen corresponding path program 12 times [2022-02-18 15:37:18,036 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:37:18,036 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1163552679] [2022-02-18 15:37:18,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:37:18,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:37:18,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:37:18,294 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:37:18,294 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:37:18,294 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1163552679] [2022-02-18 15:37:18,294 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1163552679] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:37:18,294 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:37:18,295 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:37:18,295 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1953104429] [2022-02-18 15:37:18,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:37:18,295 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:37:18,295 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:37:18,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:37:18,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:37:18,295 INFO L87 Difference]: Start difference. First operand 925 states and 1664 transitions. Second operand has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:18,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:37:18,549 INFO L93 Difference]: Finished difference Result 977 states and 1754 transitions. [2022-02-18 15:37:18,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-18 15:37:18,549 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-02-18 15:37:18,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:37:18,550 INFO L225 Difference]: With dead ends: 977 [2022-02-18 15:37:18,550 INFO L226 Difference]: Without dead ends: 977 [2022-02-18 15:37:18,550 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2022-02-18 15:37:18,550 INFO L933 BasicCegarLoop]: 99 mSDtfsCounter, 132 mSDsluCounter, 294 mSDsCounter, 0 mSdLazyCounter, 442 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 393 SdHoareTripleChecker+Invalid, 474 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 442 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-18 15:37:18,550 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [132 Valid, 393 Invalid, 474 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 442 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-18 15:37:18,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 977 states. [2022-02-18 15:37:18,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 977 to 925. [2022-02-18 15:37:18,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 925 states, 920 states have (on average 1.808695652173913) internal successors, (1664), 924 states have internal predecessors, (1664), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:18,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 925 states to 925 states and 1664 transitions. [2022-02-18 15:37:18,558 INFO L78 Accepts]: Start accepts. Automaton has 925 states and 1664 transitions. Word has length 111 [2022-02-18 15:37:18,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:37:18,558 INFO L470 AbstractCegarLoop]: Abstraction has 925 states and 1664 transitions. [2022-02-18 15:37:18,558 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:18,558 INFO L276 IsEmpty]: Start isEmpty. Operand 925 states and 1664 transitions. [2022-02-18 15:37:18,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-02-18 15:37:18,559 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:37:18,559 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] [2022-02-18 15:37:18,559 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable103 [2022-02-18 15:37:18,559 INFO L402 AbstractCegarLoop]: === Iteration 105 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:37:18,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:37:18,559 INFO L85 PathProgramCache]: Analyzing trace with hash -1252103880, now seen corresponding path program 13 times [2022-02-18 15:37:18,559 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:37:18,559 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [402507568] [2022-02-18 15:37:18,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:37:18,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:37:18,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:37:19,051 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:37:19,052 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:37:19,052 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [402507568] [2022-02-18 15:37:19,052 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [402507568] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:37:19,052 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:37:19,052 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-02-18 15:37:19,052 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1014797811] [2022-02-18 15:37:19,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:37:19,052 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-02-18 15:37:19,052 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:37:19,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-02-18 15:37:19,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=248, Unknown=0, NotChecked=0, Total=306 [2022-02-18 15:37:19,053 INFO L87 Difference]: Start difference. First operand 925 states and 1664 transitions. Second operand has 18 states, 17 states have (on average 3.8823529411764706) internal successors, (66), 18 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:20,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:37:20,172 INFO L93 Difference]: Finished difference Result 1319 states and 2380 transitions. [2022-02-18 15:37:20,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-18 15:37:20,173 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.8823529411764706) internal successors, (66), 18 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-02-18 15:37:20,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:37:20,174 INFO L225 Difference]: With dead ends: 1319 [2022-02-18 15:37:20,174 INFO L226 Difference]: Without dead ends: 1319 [2022-02-18 15:37:20,174 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 245 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=274, Invalid=986, Unknown=0, NotChecked=0, Total=1260 [2022-02-18 15:37:20,174 INFO L933 BasicCegarLoop]: 100 mSDtfsCounter, 506 mSDsluCounter, 665 mSDsCounter, 0 mSdLazyCounter, 1057 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 506 SdHoareTripleChecker+Valid, 765 SdHoareTripleChecker+Invalid, 1115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 1057 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-02-18 15:37:20,174 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [506 Valid, 765 Invalid, 1115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 1057 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-02-18 15:37:20,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1319 states. [2022-02-18 15:37:20,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1319 to 904. [2022-02-18 15:37:20,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 904 states, 899 states have (on average 1.8097886540600667) internal successors, (1627), 903 states have internal predecessors, (1627), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:20,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 904 states to 904 states and 1627 transitions. [2022-02-18 15:37:20,183 INFO L78 Accepts]: Start accepts. Automaton has 904 states and 1627 transitions. Word has length 111 [2022-02-18 15:37:20,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:37:20,183 INFO L470 AbstractCegarLoop]: Abstraction has 904 states and 1627 transitions. [2022-02-18 15:37:20,184 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.8823529411764706) internal successors, (66), 18 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:20,184 INFO L276 IsEmpty]: Start isEmpty. Operand 904 states and 1627 transitions. [2022-02-18 15:37:20,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-02-18 15:37:20,184 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:37:20,184 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:37:20,184 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable104 [2022-02-18 15:37:20,184 INFO L402 AbstractCegarLoop]: === Iteration 106 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:37:20,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:37:20,185 INFO L85 PathProgramCache]: Analyzing trace with hash 629879887, now seen corresponding path program 1 times [2022-02-18 15:37:20,185 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:37:20,185 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1655382939] [2022-02-18 15:37:20,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:37:20,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:37:20,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:37:20,438 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:37:20,439 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:37:20,439 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1655382939] [2022-02-18 15:37:20,439 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1655382939] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:37:20,439 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:37:20,439 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:37:20,439 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287083628] [2022-02-18 15:37:20,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:37:20,439 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:37:20,439 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:37:20,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:37:20,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:37:20,439 INFO L87 Difference]: Start difference. First operand 904 states and 1627 transitions. Second operand has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:20,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:37:20,815 INFO L93 Difference]: Finished difference Result 958 states and 1720 transitions. [2022-02-18 15:37:20,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-18 15:37:20,816 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-02-18 15:37:20,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:37:20,817 INFO L225 Difference]: With dead ends: 958 [2022-02-18 15:37:20,817 INFO L226 Difference]: Without dead ends: 958 [2022-02-18 15:37:20,817 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=50, Invalid=82, Unknown=0, NotChecked=0, Total=132 [2022-02-18 15:37:20,817 INFO L933 BasicCegarLoop]: 163 mSDtfsCounter, 126 mSDsluCounter, 405 mSDsCounter, 0 mSdLazyCounter, 432 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 566 SdHoareTripleChecker+Invalid, 459 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 432 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-18 15:37:20,817 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [126 Valid, 566 Invalid, 459 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 432 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-18 15:37:20,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 958 states. [2022-02-18 15:37:20,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 958 to 910. [2022-02-18 15:37:20,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 910 states, 905 states have (on average 1.8044198895027623) internal successors, (1633), 909 states have internal predecessors, (1633), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:20,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 910 states to 910 states and 1633 transitions. [2022-02-18 15:37:20,825 INFO L78 Accepts]: Start accepts. Automaton has 910 states and 1633 transitions. Word has length 112 [2022-02-18 15:37:20,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:37:20,825 INFO L470 AbstractCegarLoop]: Abstraction has 910 states and 1633 transitions. [2022-02-18 15:37:20,825 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:20,825 INFO L276 IsEmpty]: Start isEmpty. Operand 910 states and 1633 transitions. [2022-02-18 15:37:20,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-02-18 15:37:20,826 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:37:20,826 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:37:20,826 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable105 [2022-02-18 15:37:20,826 INFO L402 AbstractCegarLoop]: === Iteration 107 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:37:20,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:37:20,826 INFO L85 PathProgramCache]: Analyzing trace with hash -2053861563, now seen corresponding path program 2 times [2022-02-18 15:37:20,827 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:37:20,827 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1432440046] [2022-02-18 15:37:20,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:37:20,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:37:20,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:37:21,269 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:37:21,270 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:37:21,270 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1432440046] [2022-02-18 15:37:21,270 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1432440046] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:37:21,270 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:37:21,270 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-02-18 15:37:21,270 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [581970197] [2022-02-18 15:37:21,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:37:21,270 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-02-18 15:37:21,270 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:37:21,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-02-18 15:37:21,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=285, Unknown=0, NotChecked=0, Total=342 [2022-02-18 15:37:21,271 INFO L87 Difference]: Start difference. First operand 910 states and 1633 transitions. Second operand has 19 states, 18 states have (on average 3.7222222222222223) internal successors, (67), 19 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:22,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:37:22,680 INFO L93 Difference]: Finished difference Result 1114 states and 1998 transitions. [2022-02-18 15:37:22,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-02-18 15:37:22,681 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.7222222222222223) internal successors, (67), 19 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-02-18 15:37:22,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:37:22,682 INFO L225 Difference]: With dead ends: 1114 [2022-02-18 15:37:22,682 INFO L226 Difference]: Without dead ends: 1114 [2022-02-18 15:37:22,682 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 465 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=437, Invalid=1543, Unknown=0, NotChecked=0, Total=1980 [2022-02-18 15:37:22,682 INFO L933 BasicCegarLoop]: 191 mSDtfsCounter, 719 mSDsluCounter, 1122 mSDsCounter, 0 mSdLazyCounter, 967 mSolverCounterSat, 132 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 719 SdHoareTripleChecker+Valid, 1308 SdHoareTripleChecker+Invalid, 1099 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 132 IncrementalHoareTripleChecker+Valid, 967 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-02-18 15:37:22,683 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [719 Valid, 1308 Invalid, 1099 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [132 Valid, 967 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-02-18 15:37:22,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1114 states. [2022-02-18 15:37:22,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1114 to 911. [2022-02-18 15:37:22,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 911 states, 906 states have (on average 1.804635761589404) internal successors, (1635), 910 states have internal predecessors, (1635), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:22,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 911 states to 911 states and 1635 transitions. [2022-02-18 15:37:22,691 INFO L78 Accepts]: Start accepts. Automaton has 911 states and 1635 transitions. Word has length 112 [2022-02-18 15:37:22,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:37:22,691 INFO L470 AbstractCegarLoop]: Abstraction has 911 states and 1635 transitions. [2022-02-18 15:37:22,691 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.7222222222222223) internal successors, (67), 19 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:22,691 INFO L276 IsEmpty]: Start isEmpty. Operand 911 states and 1635 transitions. [2022-02-18 15:37:22,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-02-18 15:37:22,692 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:37:22,692 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:37:22,692 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable106 [2022-02-18 15:37:22,692 INFO L402 AbstractCegarLoop]: === Iteration 108 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:37:22,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:37:22,693 INFO L85 PathProgramCache]: Analyzing trace with hash -638192671, now seen corresponding path program 3 times [2022-02-18 15:37:22,693 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:37:22,693 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506236155] [2022-02-18 15:37:22,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:37:22,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:37:22,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:37:22,966 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:37:22,966 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:37:22,966 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [506236155] [2022-02-18 15:37:22,967 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [506236155] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:37:22,967 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:37:22,967 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:37:22,967 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642339073] [2022-02-18 15:37:22,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:37:22,967 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:37:22,967 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:37:22,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:37:22,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:37:22,967 INFO L87 Difference]: Start difference. First operand 911 states and 1635 transitions. Second operand has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:23,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:37:23,386 INFO L93 Difference]: Finished difference Result 983 states and 1764 transitions. [2022-02-18 15:37:23,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-18 15:37:23,387 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-02-18 15:37:23,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:37:23,388 INFO L225 Difference]: With dead ends: 983 [2022-02-18 15:37:23,388 INFO L226 Difference]: Without dead ends: 983 [2022-02-18 15:37:23,388 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=74, Invalid=136, Unknown=0, NotChecked=0, Total=210 [2022-02-18 15:37:23,388 INFO L933 BasicCegarLoop]: 162 mSDtfsCounter, 144 mSDsluCounter, 367 mSDsCounter, 0 mSdLazyCounter, 376 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 527 SdHoareTripleChecker+Invalid, 419 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 376 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-18 15:37:23,388 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [144 Valid, 527 Invalid, 419 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 376 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-18 15:37:23,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 983 states. [2022-02-18 15:37:23,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 983 to 919. [2022-02-18 15:37:23,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 919 states, 914 states have (on average 1.8063457330415755) internal successors, (1651), 918 states have internal predecessors, (1651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:23,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 919 states to 919 states and 1651 transitions. [2022-02-18 15:37:23,396 INFO L78 Accepts]: Start accepts. Automaton has 919 states and 1651 transitions. Word has length 112 [2022-02-18 15:37:23,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:37:23,396 INFO L470 AbstractCegarLoop]: Abstraction has 919 states and 1651 transitions. [2022-02-18 15:37:23,396 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:23,396 INFO L276 IsEmpty]: Start isEmpty. Operand 919 states and 1651 transitions. [2022-02-18 15:37:23,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-02-18 15:37:23,397 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:37:23,397 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:37:23,397 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable107 [2022-02-18 15:37:23,397 INFO L402 AbstractCegarLoop]: === Iteration 109 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:37:23,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:37:23,397 INFO L85 PathProgramCache]: Analyzing trace with hash -44036667, now seen corresponding path program 4 times [2022-02-18 15:37:23,397 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:37:23,397 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1901555367] [2022-02-18 15:37:23,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:37:23,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:37:23,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:37:23,854 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:37:23,854 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:37:23,854 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1901555367] [2022-02-18 15:37:23,854 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1901555367] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:37:23,855 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:37:23,855 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-02-18 15:37:23,855 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1976885008] [2022-02-18 15:37:23,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:37:23,855 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-02-18 15:37:23,855 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:37:23,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-02-18 15:37:23,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=285, Unknown=0, NotChecked=0, Total=342 [2022-02-18 15:37:23,855 INFO L87 Difference]: Start difference. First operand 919 states and 1651 transitions. Second operand has 19 states, 18 states have (on average 3.7222222222222223) internal successors, (67), 19 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:24,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:37:24,942 INFO L93 Difference]: Finished difference Result 1134 states and 2038 transitions. [2022-02-18 15:37:24,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-02-18 15:37:24,942 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.7222222222222223) internal successors, (67), 19 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-02-18 15:37:24,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:37:24,943 INFO L225 Difference]: With dead ends: 1134 [2022-02-18 15:37:24,944 INFO L226 Difference]: Without dead ends: 1134 [2022-02-18 15:37:24,944 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 462 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=441, Invalid=1539, Unknown=0, NotChecked=0, Total=1980 [2022-02-18 15:37:24,944 INFO L933 BasicCegarLoop]: 164 mSDtfsCounter, 580 mSDsluCounter, 1033 mSDsCounter, 0 mSdLazyCounter, 993 mSolverCounterSat, 138 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 580 SdHoareTripleChecker+Valid, 1192 SdHoareTripleChecker+Invalid, 1131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 138 IncrementalHoareTripleChecker+Valid, 993 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-18 15:37:24,944 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [580 Valid, 1192 Invalid, 1131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [138 Valid, 993 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-18 15:37:24,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1134 states. [2022-02-18 15:37:24,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1134 to 921. [2022-02-18 15:37:24,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 921 states, 916 states have (on average 1.806768558951965) internal successors, (1655), 920 states have internal predecessors, (1655), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:24,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 921 states to 921 states and 1655 transitions. [2022-02-18 15:37:24,952 INFO L78 Accepts]: Start accepts. Automaton has 921 states and 1655 transitions. Word has length 112 [2022-02-18 15:37:24,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:37:24,953 INFO L470 AbstractCegarLoop]: Abstraction has 921 states and 1655 transitions. [2022-02-18 15:37:24,953 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.7222222222222223) internal successors, (67), 19 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:24,953 INFO L276 IsEmpty]: Start isEmpty. Operand 921 states and 1655 transitions. [2022-02-18 15:37:24,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-02-18 15:37:24,953 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:37:24,953 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:37:24,954 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable108 [2022-02-18 15:37:24,954 INFO L402 AbstractCegarLoop]: === Iteration 110 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:37:24,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:37:24,954 INFO L85 PathProgramCache]: Analyzing trace with hash 1371632225, now seen corresponding path program 5 times [2022-02-18 15:37:24,954 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:37:24,954 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159682887] [2022-02-18 15:37:24,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:37:24,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:37:24,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:37:25,187 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:37:25,187 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:37:25,187 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [159682887] [2022-02-18 15:37:25,187 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [159682887] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:37:25,187 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:37:25,187 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:37:25,187 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1931489086] [2022-02-18 15:37:25,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:37:25,187 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:37:25,187 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:37:25,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:37:25,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:37:25,188 INFO L87 Difference]: Start difference. First operand 921 states and 1655 transitions. Second operand has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:25,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:37:25,667 INFO L93 Difference]: Finished difference Result 1045 states and 1875 transitions. [2022-02-18 15:37:25,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-18 15:37:25,667 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-02-18 15:37:25,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:37:25,669 INFO L225 Difference]: With dead ends: 1045 [2022-02-18 15:37:25,669 INFO L226 Difference]: Without dead ends: 1045 [2022-02-18 15:37:25,669 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=114, Invalid=228, Unknown=0, NotChecked=0, Total=342 [2022-02-18 15:37:25,669 INFO L933 BasicCegarLoop]: 138 mSDtfsCounter, 116 mSDsluCounter, 448 mSDsCounter, 0 mSdLazyCounter, 468 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 583 SdHoareTripleChecker+Invalid, 518 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 468 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-18 15:37:25,669 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [116 Valid, 583 Invalid, 518 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 468 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-18 15:37:25,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1045 states. [2022-02-18 15:37:25,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1045 to 920. [2022-02-18 15:37:25,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 920 states, 915 states have (on average 1.8065573770491803) internal successors, (1653), 919 states have internal predecessors, (1653), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:25,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 920 states to 920 states and 1653 transitions. [2022-02-18 15:37:25,678 INFO L78 Accepts]: Start accepts. Automaton has 920 states and 1653 transitions. Word has length 112 [2022-02-18 15:37:25,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:37:25,678 INFO L470 AbstractCegarLoop]: Abstraction has 920 states and 1653 transitions. [2022-02-18 15:37:25,678 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:25,678 INFO L276 IsEmpty]: Start isEmpty. Operand 920 states and 1653 transitions. [2022-02-18 15:37:25,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-02-18 15:37:25,679 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:37:25,679 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] [2022-02-18 15:37:25,679 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable109 [2022-02-18 15:37:25,679 INFO L402 AbstractCegarLoop]: === Iteration 111 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:37:25,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:37:25,679 INFO L85 PathProgramCache]: Analyzing trace with hash 766578191, now seen corresponding path program 6 times [2022-02-18 15:37:25,679 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:37:25,679 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1515836997] [2022-02-18 15:37:25,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:37:25,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:37:25,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:37:25,945 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:37:25,945 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:37:25,945 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1515836997] [2022-02-18 15:37:25,946 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1515836997] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:37:25,946 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:37:25,946 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:37:25,946 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838033898] [2022-02-18 15:37:25,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:37:25,946 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:37:25,946 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:37:25,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:37:25,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:37:25,946 INFO L87 Difference]: Start difference. First operand 920 states and 1653 transitions. Second operand has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:26,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:37:26,346 INFO L93 Difference]: Finished difference Result 1002 states and 1802 transitions. [2022-02-18 15:37:26,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-18 15:37:26,351 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-02-18 15:37:26,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:37:26,352 INFO L225 Difference]: With dead ends: 1002 [2022-02-18 15:37:26,352 INFO L226 Difference]: Without dead ends: 1002 [2022-02-18 15:37:26,352 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=71, Invalid=139, Unknown=0, NotChecked=0, Total=210 [2022-02-18 15:37:26,352 INFO L933 BasicCegarLoop]: 135 mSDtfsCounter, 92 mSDsluCounter, 516 mSDsCounter, 0 mSdLazyCounter, 509 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 647 SdHoareTripleChecker+Invalid, 539 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 509 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-18 15:37:26,352 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [92 Valid, 647 Invalid, 539 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 509 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-18 15:37:26,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1002 states. [2022-02-18 15:37:26,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1002 to 927. [2022-02-18 15:37:26,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 927 states, 922 states have (on average 1.8080260303687636) internal successors, (1667), 926 states have internal predecessors, (1667), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:26,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 927 states to 927 states and 1667 transitions. [2022-02-18 15:37:26,360 INFO L78 Accepts]: Start accepts. Automaton has 927 states and 1667 transitions. Word has length 112 [2022-02-18 15:37:26,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:37:26,360 INFO L470 AbstractCegarLoop]: Abstraction has 927 states and 1667 transitions. [2022-02-18 15:37:26,361 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:26,361 INFO L276 IsEmpty]: Start isEmpty. Operand 927 states and 1667 transitions. [2022-02-18 15:37:26,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-02-18 15:37:26,361 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:37:26,361 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:37:26,362 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable110 [2022-02-18 15:37:26,362 INFO L402 AbstractCegarLoop]: === Iteration 112 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:37:26,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:37:26,362 INFO L85 PathProgramCache]: Analyzing trace with hash -1069711987, now seen corresponding path program 1 times [2022-02-18 15:37:26,362 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:37:26,362 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2086580543] [2022-02-18 15:37:26,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:37:26,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:37:26,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:37:26,580 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:37:26,581 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:37:26,581 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2086580543] [2022-02-18 15:37:26,581 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2086580543] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:37:26,581 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:37:26,581 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:37:26,581 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1791336857] [2022-02-18 15:37:26,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:37:26,581 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:37:26,581 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:37:26,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:37:26,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:37:26,581 INFO L87 Difference]: Start difference. First operand 927 states and 1667 transitions. Second operand has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:27,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:37:27,011 INFO L93 Difference]: Finished difference Result 1525 states and 2757 transitions. [2022-02-18 15:37:27,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-18 15:37:27,012 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-02-18 15:37:27,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:37:27,013 INFO L225 Difference]: With dead ends: 1525 [2022-02-18 15:37:27,013 INFO L226 Difference]: Without dead ends: 1525 [2022-02-18 15:37:27,013 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2022-02-18 15:37:27,014 INFO L933 BasicCegarLoop]: 109 mSDtfsCounter, 220 mSDsluCounter, 433 mSDsCounter, 0 mSdLazyCounter, 582 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 220 SdHoareTripleChecker+Valid, 541 SdHoareTripleChecker+Invalid, 640 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 582 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-18 15:37:27,014 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [220 Valid, 541 Invalid, 640 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 582 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-18 15:37:27,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1525 states. [2022-02-18 15:37:27,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1525 to 1007. [2022-02-18 15:37:27,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1007 states, 1002 states have (on average 1.8233532934131738) internal successors, (1827), 1006 states have internal predecessors, (1827), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:27,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1007 states to 1007 states and 1827 transitions. [2022-02-18 15:37:27,024 INFO L78 Accepts]: Start accepts. Automaton has 1007 states and 1827 transitions. Word has length 112 [2022-02-18 15:37:27,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:37:27,024 INFO L470 AbstractCegarLoop]: Abstraction has 1007 states and 1827 transitions. [2022-02-18 15:37:27,024 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:27,024 INFO L276 IsEmpty]: Start isEmpty. Operand 1007 states and 1827 transitions. [2022-02-18 15:37:27,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-02-18 15:37:27,025 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:37:27,025 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] [2022-02-18 15:37:27,025 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable111 [2022-02-18 15:37:27,025 INFO L402 AbstractCegarLoop]: === Iteration 113 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:37:27,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:37:27,025 INFO L85 PathProgramCache]: Analyzing trace with hash -724057961, now seen corresponding path program 7 times [2022-02-18 15:37:27,025 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:37:27,025 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1716377653] [2022-02-18 15:37:27,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:37:27,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:37:27,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:37:27,415 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:37:27,416 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:37:27,416 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1716377653] [2022-02-18 15:37:27,416 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1716377653] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:37:27,416 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:37:27,416 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:37:27,416 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1816513414] [2022-02-18 15:37:27,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:37:27,416 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:37:27,416 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:37:27,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:37:27,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:37:27,417 INFO L87 Difference]: Start difference. First operand 1007 states and 1827 transitions. Second operand has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:28,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:37:28,186 INFO L93 Difference]: Finished difference Result 1116 states and 2023 transitions. [2022-02-18 15:37:28,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-18 15:37:28,186 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-02-18 15:37:28,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:37:28,187 INFO L225 Difference]: With dead ends: 1116 [2022-02-18 15:37:28,187 INFO L226 Difference]: Without dead ends: 1116 [2022-02-18 15:37:28,187 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=142, Invalid=278, Unknown=0, NotChecked=0, Total=420 [2022-02-18 15:37:28,188 INFO L933 BasicCegarLoop]: 121 mSDtfsCounter, 83 mSDsluCounter, 474 mSDsCounter, 0 mSdLazyCounter, 520 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 592 SdHoareTripleChecker+Invalid, 575 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 520 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-18 15:37:28,188 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [83 Valid, 592 Invalid, 575 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 520 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-18 15:37:28,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1116 states. [2022-02-18 15:37:28,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1116 to 1010. [2022-02-18 15:37:28,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1010 states, 1005 states have (on average 1.8238805970149254) internal successors, (1833), 1009 states have internal predecessors, (1833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:28,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1010 states to 1010 states and 1833 transitions. [2022-02-18 15:37:28,196 INFO L78 Accepts]: Start accepts. Automaton has 1010 states and 1833 transitions. Word has length 112 [2022-02-18 15:37:28,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:37:28,196 INFO L470 AbstractCegarLoop]: Abstraction has 1010 states and 1833 transitions. [2022-02-18 15:37:28,196 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:28,196 INFO L276 IsEmpty]: Start isEmpty. Operand 1010 states and 1833 transitions. [2022-02-18 15:37:28,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-02-18 15:37:28,197 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:37:28,197 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:37:28,197 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable112 [2022-02-18 15:37:28,197 INFO L402 AbstractCegarLoop]: === Iteration 114 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:37:28,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:37:28,197 INFO L85 PathProgramCache]: Analyzing trace with hash 691610931, now seen corresponding path program 8 times [2022-02-18 15:37:28,198 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:37:28,198 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1615672714] [2022-02-18 15:37:28,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:37:28,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:37:28,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:37:28,655 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:37:28,656 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:37:28,656 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1615672714] [2022-02-18 15:37:28,656 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1615672714] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:37:28,656 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:37:28,656 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-02-18 15:37:28,656 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2027374969] [2022-02-18 15:37:28,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:37:28,656 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-02-18 15:37:28,656 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:37:28,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-02-18 15:37:28,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=283, Unknown=0, NotChecked=0, Total=342 [2022-02-18 15:37:28,657 INFO L87 Difference]: Start difference. First operand 1010 states and 1833 transitions. Second operand has 19 states, 18 states have (on average 3.7222222222222223) internal successors, (67), 19 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:30,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:37:30,096 INFO L93 Difference]: Finished difference Result 1253 states and 2270 transitions. [2022-02-18 15:37:30,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-02-18 15:37:30,096 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.7222222222222223) internal successors, (67), 19 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-02-18 15:37:30,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:37:30,098 INFO L225 Difference]: With dead ends: 1253 [2022-02-18 15:37:30,098 INFO L226 Difference]: Without dead ends: 1253 [2022-02-18 15:37:30,098 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 418 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=400, Invalid=1406, Unknown=0, NotChecked=0, Total=1806 [2022-02-18 15:37:30,099 INFO L933 BasicCegarLoop]: 153 mSDtfsCounter, 715 mSDsluCounter, 797 mSDsCounter, 0 mSdLazyCounter, 906 mSolverCounterSat, 150 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 715 SdHoareTripleChecker+Valid, 948 SdHoareTripleChecker+Invalid, 1056 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 150 IncrementalHoareTripleChecker+Valid, 906 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-02-18 15:37:30,099 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [715 Valid, 948 Invalid, 1056 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [150 Valid, 906 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-02-18 15:37:30,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1253 states. [2022-02-18 15:37:30,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1253 to 1009. [2022-02-18 15:37:30,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1009 states, 1004 states have (on average 1.8237051792828685) internal successors, (1831), 1008 states have internal predecessors, (1831), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:30,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1009 states to 1009 states and 1831 transitions. [2022-02-18 15:37:30,109 INFO L78 Accepts]: Start accepts. Automaton has 1009 states and 1831 transitions. Word has length 112 [2022-02-18 15:37:30,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:37:30,109 INFO L470 AbstractCegarLoop]: Abstraction has 1009 states and 1831 transitions. [2022-02-18 15:37:30,109 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.7222222222222223) internal successors, (67), 19 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:30,110 INFO L276 IsEmpty]: Start isEmpty. Operand 1009 states and 1831 transitions. [2022-02-18 15:37:30,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-02-18 15:37:30,110 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:37:30,110 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:37:30,111 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable113 [2022-02-18 15:37:30,111 INFO L402 AbstractCegarLoop]: === Iteration 115 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:37:30,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:37:30,111 INFO L85 PathProgramCache]: Analyzing trace with hash 86556897, now seen corresponding path program 9 times [2022-02-18 15:37:30,111 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:37:30,111 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1011208693] [2022-02-18 15:37:30,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:37:30,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:37:30,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:37:30,565 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:37:30,566 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:37:30,566 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1011208693] [2022-02-18 15:37:30,566 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1011208693] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:37:30,566 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:37:30,566 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-02-18 15:37:30,566 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1291423682] [2022-02-18 15:37:30,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:37:30,566 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-02-18 15:37:30,566 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:37:30,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-02-18 15:37:30,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=283, Unknown=0, NotChecked=0, Total=342 [2022-02-18 15:37:30,567 INFO L87 Difference]: Start difference. First operand 1009 states and 1831 transitions. Second operand has 19 states, 18 states have (on average 3.7222222222222223) internal successors, (67), 19 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:31,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:37:31,846 INFO L93 Difference]: Finished difference Result 1268 states and 2300 transitions. [2022-02-18 15:37:31,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-18 15:37:31,846 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.7222222222222223) internal successors, (67), 19 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-02-18 15:37:31,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:37:31,848 INFO L225 Difference]: With dead ends: 1268 [2022-02-18 15:37:31,848 INFO L226 Difference]: Without dead ends: 1268 [2022-02-18 15:37:31,848 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 399 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=379, Invalid=1343, Unknown=0, NotChecked=0, Total=1722 [2022-02-18 15:37:31,848 INFO L933 BasicCegarLoop]: 153 mSDtfsCounter, 593 mSDsluCounter, 811 mSDsCounter, 0 mSdLazyCounter, 807 mSolverCounterSat, 139 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 593 SdHoareTripleChecker+Valid, 959 SdHoareTripleChecker+Invalid, 946 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 139 IncrementalHoareTripleChecker+Valid, 807 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-18 15:37:31,849 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [593 Valid, 959 Invalid, 946 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [139 Valid, 807 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-18 15:37:31,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1268 states. [2022-02-18 15:37:31,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1268 to 1008. [2022-02-18 15:37:31,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1008 states, 1003 states have (on average 1.8235294117647058) internal successors, (1829), 1007 states have internal predecessors, (1829), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:31,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1008 states to 1008 states and 1829 transitions. [2022-02-18 15:37:31,857 INFO L78 Accepts]: Start accepts. Automaton has 1008 states and 1829 transitions. Word has length 112 [2022-02-18 15:37:31,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:37:31,857 INFO L470 AbstractCegarLoop]: Abstraction has 1008 states and 1829 transitions. [2022-02-18 15:37:31,858 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.7222222222222223) internal successors, (67), 19 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:31,858 INFO L276 IsEmpty]: Start isEmpty. Operand 1008 states and 1829 transitions. [2022-02-18 15:37:31,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-02-18 15:37:31,858 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:37:31,858 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:37:31,858 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable114 [2022-02-18 15:37:31,859 INFO L402 AbstractCegarLoop]: === Iteration 116 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:37:31,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:37:31,859 INFO L85 PathProgramCache]: Analyzing trace with hash 118066209, now seen corresponding path program 10 times [2022-02-18 15:37:31,859 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:37:31,859 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [129451603] [2022-02-18 15:37:31,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:37:31,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:37:31,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:37:32,175 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:37:32,175 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:37:32,176 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [129451603] [2022-02-18 15:37:32,176 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [129451603] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:37:32,176 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:37:32,176 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:37:32,176 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1092807863] [2022-02-18 15:37:32,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:37:32,176 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:37:32,176 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:37:32,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:37:32,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:37:32,176 INFO L87 Difference]: Start difference. First operand 1008 states and 1829 transitions. Second operand has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:32,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:37:32,586 INFO L93 Difference]: Finished difference Result 1099 states and 1996 transitions. [2022-02-18 15:37:32,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-18 15:37:32,586 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-02-18 15:37:32,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:37:32,587 INFO L225 Difference]: With dead ends: 1099 [2022-02-18 15:37:32,587 INFO L226 Difference]: Without dead ends: 1099 [2022-02-18 15:37:32,587 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=81, Invalid=159, Unknown=0, NotChecked=0, Total=240 [2022-02-18 15:37:32,588 INFO L933 BasicCegarLoop]: 121 mSDtfsCounter, 77 mSDsluCounter, 388 mSDsCounter, 0 mSdLazyCounter, 398 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 506 SdHoareTripleChecker+Invalid, 438 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 398 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-18 15:37:32,588 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [77 Valid, 506 Invalid, 438 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 398 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-18 15:37:32,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1099 states. [2022-02-18 15:37:32,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1099 to 1014. [2022-02-18 15:37:32,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1014 states, 1009 states have (on average 1.8245787908820614) internal successors, (1841), 1013 states have internal predecessors, (1841), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:32,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1014 states to 1014 states and 1841 transitions. [2022-02-18 15:37:32,596 INFO L78 Accepts]: Start accepts. Automaton has 1014 states and 1841 transitions. Word has length 112 [2022-02-18 15:37:32,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:37:32,596 INFO L470 AbstractCegarLoop]: Abstraction has 1014 states and 1841 transitions. [2022-02-18 15:37:32,596 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:32,596 INFO L276 IsEmpty]: Start isEmpty. Operand 1014 states and 1841 transitions. [2022-02-18 15:37:32,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-02-18 15:37:32,597 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:37:32,597 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] [2022-02-18 15:37:32,597 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable115 [2022-02-18 15:37:32,597 INFO L402 AbstractCegarLoop]: === Iteration 117 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:37:32,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:37:32,597 INFO L85 PathProgramCache]: Analyzing trace with hash 1712150713, now seen corresponding path program 2 times [2022-02-18 15:37:32,598 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:37:32,598 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1652296284] [2022-02-18 15:37:32,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:37:32,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:37:32,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:37:32,869 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:37:32,869 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:37:32,869 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1652296284] [2022-02-18 15:37:32,869 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1652296284] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:37:32,869 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:37:32,869 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:37:32,869 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281427673] [2022-02-18 15:37:32,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:37:32,869 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:37:32,869 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:37:32,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:37:32,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:37:32,870 INFO L87 Difference]: Start difference. First operand 1014 states and 1841 transitions. Second operand has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:33,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:37:33,310 INFO L93 Difference]: Finished difference Result 1504 states and 2715 transitions. [2022-02-18 15:37:33,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-18 15:37:33,310 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-02-18 15:37:33,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:37:33,311 INFO L225 Difference]: With dead ends: 1504 [2022-02-18 15:37:33,312 INFO L226 Difference]: Without dead ends: 1504 [2022-02-18 15:37:33,312 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 [2022-02-18 15:37:33,312 INFO L933 BasicCegarLoop]: 109 mSDtfsCounter, 192 mSDsluCounter, 352 mSDsCounter, 0 mSdLazyCounter, 464 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 192 SdHoareTripleChecker+Valid, 460 SdHoareTripleChecker+Invalid, 524 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 464 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-18 15:37:33,312 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [192 Valid, 460 Invalid, 524 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 464 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-18 15:37:33,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1504 states. [2022-02-18 15:37:33,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1504 to 1026. [2022-02-18 15:37:33,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1026 states, 1021 states have (on average 1.8266405484818804) internal successors, (1865), 1025 states have internal predecessors, (1865), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:33,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1026 states to 1026 states and 1865 transitions. [2022-02-18 15:37:33,321 INFO L78 Accepts]: Start accepts. Automaton has 1026 states and 1865 transitions. Word has length 112 [2022-02-18 15:37:33,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:37:33,321 INFO L470 AbstractCegarLoop]: Abstraction has 1026 states and 1865 transitions. [2022-02-18 15:37:33,321 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:33,321 INFO L276 IsEmpty]: Start isEmpty. Operand 1026 states and 1865 transitions. [2022-02-18 15:37:33,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-02-18 15:37:33,322 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:37:33,322 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:37:33,322 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable116 [2022-02-18 15:37:33,322 INFO L402 AbstractCegarLoop]: === Iteration 118 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:37:33,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:37:33,322 INFO L85 PathProgramCache]: Analyzing trace with hash 449442281, now seen corresponding path program 11 times [2022-02-18 15:37:33,322 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:37:33,322 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010138600] [2022-02-18 15:37:33,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:37:33,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:37:33,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:37:33,754 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:37:33,755 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:37:33,755 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2010138600] [2022-02-18 15:37:33,755 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2010138600] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:37:33,755 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:37:33,755 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-02-18 15:37:33,755 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709555335] [2022-02-18 15:37:33,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:37:33,755 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-02-18 15:37:33,755 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:37:33,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-02-18 15:37:33,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2022-02-18 15:37:33,756 INFO L87 Difference]: Start difference. First operand 1026 states and 1865 transitions. Second operand has 19 states, 18 states have (on average 3.7222222222222223) internal successors, (67), 19 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:34,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:37:34,908 INFO L93 Difference]: Finished difference Result 1621 states and 2925 transitions. [2022-02-18 15:37:34,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-02-18 15:37:34,908 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.7222222222222223) internal successors, (67), 19 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-02-18 15:37:34,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:37:34,910 INFO L225 Difference]: With dead ends: 1621 [2022-02-18 15:37:34,910 INFO L226 Difference]: Without dead ends: 1621 [2022-02-18 15:37:34,910 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 509 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=499, Invalid=1663, Unknown=0, NotChecked=0, Total=2162 [2022-02-18 15:37:34,910 INFO L933 BasicCegarLoop]: 123 mSDtfsCounter, 917 mSDsluCounter, 907 mSDsCounter, 0 mSdLazyCounter, 1266 mSolverCounterSat, 120 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 917 SdHoareTripleChecker+Valid, 1026 SdHoareTripleChecker+Invalid, 1386 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 120 IncrementalHoareTripleChecker+Valid, 1266 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-02-18 15:37:34,910 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [917 Valid, 1026 Invalid, 1386 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [120 Valid, 1266 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-02-18 15:37:34,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1621 states. [2022-02-18 15:37:34,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1621 to 1153. [2022-02-18 15:37:34,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1153 states, 1148 states have (on average 1.8414634146341464) internal successors, (2114), 1152 states have internal predecessors, (2114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:34,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1153 states to 1153 states and 2114 transitions. [2022-02-18 15:37:34,921 INFO L78 Accepts]: Start accepts. Automaton has 1153 states and 2114 transitions. Word has length 112 [2022-02-18 15:37:34,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:37:34,921 INFO L470 AbstractCegarLoop]: Abstraction has 1153 states and 2114 transitions. [2022-02-18 15:37:34,921 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.7222222222222223) internal successors, (67), 19 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:34,921 INFO L276 IsEmpty]: Start isEmpty. Operand 1153 states and 2114 transitions. [2022-02-18 15:37:34,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-02-18 15:37:34,922 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:37:34,922 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] [2022-02-18 15:37:34,922 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable117 [2022-02-18 15:37:34,922 INFO L402 AbstractCegarLoop]: === Iteration 119 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:37:34,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:37:34,922 INFO L85 PathProgramCache]: Analyzing trace with hash -712852851, now seen corresponding path program 3 times [2022-02-18 15:37:34,922 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:37:34,922 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517546622] [2022-02-18 15:37:34,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:37:34,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:37:34,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:37:35,241 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:37:35,241 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:37:35,241 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1517546622] [2022-02-18 15:37:35,241 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1517546622] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:37:35,241 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:37:35,241 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-02-18 15:37:35,241 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [205967089] [2022-02-18 15:37:35,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:37:35,242 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-02-18 15:37:35,242 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:37:35,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-02-18 15:37:35,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2022-02-18 15:37:35,242 INFO L87 Difference]: Start difference. First operand 1153 states and 2114 transitions. Second operand has 19 states, 18 states have (on average 3.7222222222222223) internal successors, (67), 19 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:37,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:37:37,282 INFO L93 Difference]: Finished difference Result 1583 states and 2853 transitions. [2022-02-18 15:37:37,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-02-18 15:37:37,282 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.7222222222222223) internal successors, (67), 19 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-02-18 15:37:37,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:37:37,284 INFO L225 Difference]: With dead ends: 1583 [2022-02-18 15:37:37,284 INFO L226 Difference]: Without dead ends: 1583 [2022-02-18 15:37:37,284 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1110 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=1106, Invalid=3184, Unknown=0, NotChecked=0, Total=4290 [2022-02-18 15:37:37,284 INFO L933 BasicCegarLoop]: 121 mSDtfsCounter, 908 mSDsluCounter, 811 mSDsCounter, 0 mSdLazyCounter, 1025 mSolverCounterSat, 212 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 908 SdHoareTripleChecker+Valid, 929 SdHoareTripleChecker+Invalid, 1237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 212 IncrementalHoareTripleChecker+Valid, 1025 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-02-18 15:37:37,284 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [908 Valid, 929 Invalid, 1237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [212 Valid, 1025 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-02-18 15:37:37,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1583 states. [2022-02-18 15:37:37,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1583 to 1153. [2022-02-18 15:37:37,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1153 states, 1148 states have (on average 1.8405923344947734) internal successors, (2113), 1152 states have internal predecessors, (2113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:37,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1153 states to 1153 states and 2113 transitions. [2022-02-18 15:37:37,294 INFO L78 Accepts]: Start accepts. Automaton has 1153 states and 2113 transitions. Word has length 112 [2022-02-18 15:37:37,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:37:37,294 INFO L470 AbstractCegarLoop]: Abstraction has 1153 states and 2113 transitions. [2022-02-18 15:37:37,294 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.7222222222222223) internal successors, (67), 19 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:37,295 INFO L276 IsEmpty]: Start isEmpty. Operand 1153 states and 2113 transitions. [2022-02-18 15:37:37,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-02-18 15:37:37,295 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:37:37,295 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:37:37,296 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable118 [2022-02-18 15:37:37,296 INFO L402 AbstractCegarLoop]: === Iteration 120 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:37:37,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:37:37,296 INFO L85 PathProgramCache]: Analyzing trace with hash 589616681, now seen corresponding path program 12 times [2022-02-18 15:37:37,296 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:37:37,296 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1728258506] [2022-02-18 15:37:37,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:37:37,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:37:37,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:37:37,675 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:37:37,675 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:37:37,675 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1728258506] [2022-02-18 15:37:37,675 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1728258506] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:37:37,676 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:37:37,676 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:37:37,676 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1141024224] [2022-02-18 15:37:37,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:37:37,676 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:37:37,676 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:37:37,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:37:37,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:37:37,676 INFO L87 Difference]: Start difference. First operand 1153 states and 2113 transitions. Second operand has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:38,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:37:38,216 INFO L93 Difference]: Finished difference Result 1438 states and 2606 transitions. [2022-02-18 15:37:38,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-18 15:37:38,217 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-02-18 15:37:38,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:37:38,218 INFO L225 Difference]: With dead ends: 1438 [2022-02-18 15:37:38,218 INFO L226 Difference]: Without dead ends: 1438 [2022-02-18 15:37:38,218 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=109, Invalid=197, Unknown=0, NotChecked=0, Total=306 [2022-02-18 15:37:38,218 INFO L933 BasicCegarLoop]: 107 mSDtfsCounter, 156 mSDsluCounter, 311 mSDsCounter, 0 mSdLazyCounter, 470 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 416 SdHoareTripleChecker+Invalid, 514 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 470 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-18 15:37:38,219 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [156 Valid, 416 Invalid, 514 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 470 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-18 15:37:38,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1438 states. [2022-02-18 15:37:38,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1438 to 1154. [2022-02-18 15:37:38,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1154 states, 1149 states have (on average 1.8407310704960835) internal successors, (2115), 1153 states have internal predecessors, (2115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:38,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1154 states to 1154 states and 2115 transitions. [2022-02-18 15:37:38,228 INFO L78 Accepts]: Start accepts. Automaton has 1154 states and 2115 transitions. Word has length 112 [2022-02-18 15:37:38,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:37:38,228 INFO L470 AbstractCegarLoop]: Abstraction has 1154 states and 2115 transitions. [2022-02-18 15:37:38,228 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:38,229 INFO L276 IsEmpty]: Start isEmpty. Operand 1154 states and 2115 transitions. [2022-02-18 15:37:38,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-02-18 15:37:38,229 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:37:38,229 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] [2022-02-18 15:37:38,230 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable119 [2022-02-18 15:37:38,230 INFO L402 AbstractCegarLoop]: === Iteration 121 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:37:38,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:37:38,230 INFO L85 PathProgramCache]: Analyzing trace with hash 2005285573, now seen corresponding path program 13 times [2022-02-18 15:37:38,230 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:37:38,230 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [942450756] [2022-02-18 15:37:38,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:37:38,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:37:38,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:37:38,598 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:37:38,599 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:37:38,599 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [942450756] [2022-02-18 15:37:38,599 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [942450756] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:37:38,599 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:37:38,599 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:37:38,599 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431553792] [2022-02-18 15:37:38,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:37:38,599 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:37:38,599 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:37:38,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:37:38,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:37:38,599 INFO L87 Difference]: Start difference. First operand 1154 states and 2115 transitions. Second operand has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:39,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:37:39,178 INFO L93 Difference]: Finished difference Result 1462 states and 2648 transitions. [2022-02-18 15:37:39,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-18 15:37:39,179 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-02-18 15:37:39,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:37:39,180 INFO L225 Difference]: With dead ends: 1462 [2022-02-18 15:37:39,180 INFO L226 Difference]: Without dead ends: 1462 [2022-02-18 15:37:39,180 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=107, Invalid=199, Unknown=0, NotChecked=0, Total=306 [2022-02-18 15:37:39,180 INFO L933 BasicCegarLoop]: 108 mSDtfsCounter, 154 mSDsluCounter, 270 mSDsCounter, 0 mSdLazyCounter, 521 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 376 SdHoareTripleChecker+Invalid, 561 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 521 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-18 15:37:39,180 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [154 Valid, 376 Invalid, 561 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 521 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-18 15:37:39,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1462 states. [2022-02-18 15:37:39,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1462 to 1153. [2022-02-18 15:37:39,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1153 states, 1148 states have (on average 1.8405923344947734) internal successors, (2113), 1152 states have internal predecessors, (2113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:39,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1153 states to 1153 states and 2113 transitions. [2022-02-18 15:37:39,190 INFO L78 Accepts]: Start accepts. Automaton has 1153 states and 2113 transitions. Word has length 112 [2022-02-18 15:37:39,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:37:39,190 INFO L470 AbstractCegarLoop]: Abstraction has 1153 states and 2113 transitions. [2022-02-18 15:37:39,190 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:39,190 INFO L276 IsEmpty]: Start isEmpty. Operand 1153 states and 2113 transitions. [2022-02-18 15:37:39,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-02-18 15:37:39,191 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:37:39,191 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:37:39,191 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable120 [2022-02-18 15:37:39,191 INFO L402 AbstractCegarLoop]: === Iteration 122 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:37:39,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:37:39,191 INFO L85 PathProgramCache]: Analyzing trace with hash 1400231539, now seen corresponding path program 14 times [2022-02-18 15:37:39,191 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:37:39,192 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [551120595] [2022-02-18 15:37:39,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:37:39,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:37:39,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:37:39,494 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:37:39,495 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:37:39,495 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [551120595] [2022-02-18 15:37:39,495 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [551120595] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:37:39,495 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:37:39,495 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:37:39,495 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721764094] [2022-02-18 15:37:39,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:37:39,495 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:37:39,495 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:37:39,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:37:39,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:37:39,495 INFO L87 Difference]: Start difference. First operand 1153 states and 2113 transitions. Second operand has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:39,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:37:39,923 INFO L93 Difference]: Finished difference Result 1477 states and 2678 transitions. [2022-02-18 15:37:39,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-18 15:37:39,923 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-02-18 15:37:39,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:37:39,925 INFO L225 Difference]: With dead ends: 1477 [2022-02-18 15:37:39,925 INFO L226 Difference]: Without dead ends: 1477 [2022-02-18 15:37:39,925 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=105, Invalid=201, Unknown=0, NotChecked=0, Total=306 [2022-02-18 15:37:39,925 INFO L933 BasicCegarLoop]: 106 mSDtfsCounter, 136 mSDsluCounter, 317 mSDsCounter, 0 mSdLazyCounter, 503 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 421 SdHoareTripleChecker+Invalid, 540 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 503 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-18 15:37:39,925 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [136 Valid, 421 Invalid, 540 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 503 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-18 15:37:39,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1477 states. [2022-02-18 15:37:39,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1477 to 1152. [2022-02-18 15:37:39,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1152 states, 1147 states have (on average 1.8404533565823888) internal successors, (2111), 1151 states have internal predecessors, (2111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:39,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1152 states to 1152 states and 2111 transitions. [2022-02-18 15:37:39,935 INFO L78 Accepts]: Start accepts. Automaton has 1152 states and 2111 transitions. Word has length 112 [2022-02-18 15:37:39,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:37:39,935 INFO L470 AbstractCegarLoop]: Abstraction has 1152 states and 2111 transitions. [2022-02-18 15:37:39,935 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:39,935 INFO L276 IsEmpty]: Start isEmpty. Operand 1152 states and 2111 transitions. [2022-02-18 15:37:39,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-02-18 15:37:39,936 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:37:39,936 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:37:39,936 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable121 [2022-02-18 15:37:39,936 INFO L402 AbstractCegarLoop]: === Iteration 123 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:37:39,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:37:39,937 INFO L85 PathProgramCache]: Analyzing trace with hash 1431740851, now seen corresponding path program 15 times [2022-02-18 15:37:39,937 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:37:39,937 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [734343779] [2022-02-18 15:37:39,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:37:39,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:37:39,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:37:40,269 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:37:40,270 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:37:40,270 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [734343779] [2022-02-18 15:37:40,270 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [734343779] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:37:40,270 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:37:40,270 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:37:40,270 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150099161] [2022-02-18 15:37:40,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:37:40,270 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:37:40,270 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:37:40,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:37:40,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:37:40,270 INFO L87 Difference]: Start difference. First operand 1152 states and 2111 transitions. Second operand has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:40,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:37:40,713 INFO L93 Difference]: Finished difference Result 1460 states and 2650 transitions. [2022-02-18 15:37:40,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-18 15:37:40,714 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-02-18 15:37:40,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:37:40,715 INFO L225 Difference]: With dead ends: 1460 [2022-02-18 15:37:40,715 INFO L226 Difference]: Without dead ends: 1460 [2022-02-18 15:37:40,715 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=103, Invalid=203, Unknown=0, NotChecked=0, Total=306 [2022-02-18 15:37:40,716 INFO L933 BasicCegarLoop]: 104 mSDtfsCounter, 129 mSDsluCounter, 440 mSDsCounter, 0 mSdLazyCounter, 602 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 542 SdHoareTripleChecker+Invalid, 638 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 602 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-18 15:37:40,716 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [129 Valid, 542 Invalid, 638 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 602 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-18 15:37:40,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1460 states. [2022-02-18 15:37:40,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1460 to 1139. [2022-02-18 15:37:40,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1139 states, 1134 states have (on average 1.8386243386243386) internal successors, (2085), 1138 states have internal predecessors, (2085), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:40,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1139 states to 1139 states and 2085 transitions. [2022-02-18 15:37:40,725 INFO L78 Accepts]: Start accepts. Automaton has 1139 states and 2085 transitions. Word has length 112 [2022-02-18 15:37:40,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:37:40,725 INFO L470 AbstractCegarLoop]: Abstraction has 1139 states and 2085 transitions. [2022-02-18 15:37:40,726 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:40,726 INFO L276 IsEmpty]: Start isEmpty. Operand 1139 states and 2085 transitions. [2022-02-18 15:37:40,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-02-18 15:37:40,726 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:37:40,726 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] [2022-02-18 15:37:40,727 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable122 [2022-02-18 15:37:40,727 INFO L402 AbstractCegarLoop]: === Iteration 124 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:37:40,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:37:40,727 INFO L85 PathProgramCache]: Analyzing trace with hash -1523314844, now seen corresponding path program 1 times [2022-02-18 15:37:40,727 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:37:40,727 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1001018047] [2022-02-18 15:37:40,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:37:40,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:37:40,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:37:40,823 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:37:40,823 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:37:40,823 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1001018047] [2022-02-18 15:37:40,824 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1001018047] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:37:40,824 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:37:40,824 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-02-18 15:37:40,824 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1057683289] [2022-02-18 15:37:40,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:37:40,824 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-02-18 15:37:40,824 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:37:40,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-02-18 15:37:40,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2022-02-18 15:37:40,824 INFO L87 Difference]: Start difference. First operand 1139 states and 2085 transitions. Second operand has 8 states, 7 states have (on average 9.571428571428571) internal successors, (67), 8 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:40,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:37:40,997 INFO L93 Difference]: Finished difference Result 1209 states and 2218 transitions. [2022-02-18 15:37:40,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-18 15:37:40,997 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 9.571428571428571) internal successors, (67), 8 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-02-18 15:37:40,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:37:40,999 INFO L225 Difference]: With dead ends: 1209 [2022-02-18 15:37:40,999 INFO L226 Difference]: Without dead ends: 1209 [2022-02-18 15:37:40,999 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2022-02-18 15:37:40,999 INFO L933 BasicCegarLoop]: 101 mSDtfsCounter, 112 mSDsluCounter, 200 mSDsCounter, 0 mSdLazyCounter, 269 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 301 SdHoareTripleChecker+Invalid, 290 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 269 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-18 15:37:40,999 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [112 Valid, 301 Invalid, 290 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 269 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-18 15:37:41,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1209 states. [2022-02-18 15:37:41,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1209 to 1144. [2022-02-18 15:37:41,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1144 states, 1139 states have (on average 1.839332748024583) internal successors, (2095), 1143 states have internal predecessors, (2095), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:41,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1144 states to 1144 states and 2095 transitions. [2022-02-18 15:37:41,008 INFO L78 Accepts]: Start accepts. Automaton has 1144 states and 2095 transitions. Word has length 112 [2022-02-18 15:37:41,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:37:41,008 INFO L470 AbstractCegarLoop]: Abstraction has 1144 states and 2095 transitions. [2022-02-18 15:37:41,008 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 9.571428571428571) internal successors, (67), 8 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:41,008 INFO L276 IsEmpty]: Start isEmpty. Operand 1144 states and 2095 transitions. [2022-02-18 15:37:41,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-02-18 15:37:41,009 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:37:41,009 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:37:41,009 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable123 [2022-02-18 15:37:41,009 INFO L402 AbstractCegarLoop]: === Iteration 125 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:37:41,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:37:41,009 INFO L85 PathProgramCache]: Analyzing trace with hash -1436623034, now seen corresponding path program 2 times [2022-02-18 15:37:41,009 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:37:41,009 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [454379059] [2022-02-18 15:37:41,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:37:41,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:37:41,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:37:41,097 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:37:41,097 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:37:41,097 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [454379059] [2022-02-18 15:37:41,098 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [454379059] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:37:41,098 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:37:41,098 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-02-18 15:37:41,098 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1473810646] [2022-02-18 15:37:41,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:37:41,098 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-02-18 15:37:41,098 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:37:41,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-02-18 15:37:41,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-02-18 15:37:41,098 INFO L87 Difference]: Start difference. First operand 1144 states and 2095 transitions. Second operand has 8 states, 7 states have (on average 9.571428571428571) internal successors, (67), 8 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:41,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:37:41,338 INFO L93 Difference]: Finished difference Result 1227 states and 2252 transitions. [2022-02-18 15:37:41,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-18 15:37:41,338 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 9.571428571428571) internal successors, (67), 8 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-02-18 15:37:41,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:37:41,339 INFO L225 Difference]: With dead ends: 1227 [2022-02-18 15:37:41,339 INFO L226 Difference]: Without dead ends: 1227 [2022-02-18 15:37:41,339 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:37:41,340 INFO L933 BasicCegarLoop]: 101 mSDtfsCounter, 112 mSDsluCounter, 341 mSDsCounter, 0 mSdLazyCounter, 426 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 442 SdHoareTripleChecker+Invalid, 448 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 426 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-18 15:37:41,340 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [112 Valid, 442 Invalid, 448 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 426 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-18 15:37:41,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1227 states. [2022-02-18 15:37:41,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1227 to 1151. [2022-02-18 15:37:41,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1151 states, 1146 states have (on average 1.8403141361256545) internal successors, (2109), 1150 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) [2022-02-18 15:37:41,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1151 states to 1151 states and 2109 transitions. [2022-02-18 15:37:41,348 INFO L78 Accepts]: Start accepts. Automaton has 1151 states and 2109 transitions. Word has length 112 [2022-02-18 15:37:41,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:37:41,349 INFO L470 AbstractCegarLoop]: Abstraction has 1151 states and 2109 transitions. [2022-02-18 15:37:41,349 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 9.571428571428571) internal successors, (67), 8 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:41,349 INFO L276 IsEmpty]: Start isEmpty. Operand 1151 states and 2109 transitions. [2022-02-18 15:37:41,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-02-18 15:37:41,349 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:37:41,350 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:37:41,350 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable124 [2022-02-18 15:37:41,350 INFO L402 AbstractCegarLoop]: === Iteration 126 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:37:41,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:37:41,350 INFO L85 PathProgramCache]: Analyzing trace with hash -1433797694, now seen corresponding path program 3 times [2022-02-18 15:37:41,350 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:37:41,350 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [591834686] [2022-02-18 15:37:41,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:37:41,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:37:41,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:37:41,494 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:37:41,494 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:37:41,495 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [591834686] [2022-02-18 15:37:41,495 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [591834686] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:37:41,495 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:37:41,495 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:37:41,495 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1812853980] [2022-02-18 15:37:41,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:37:41,495 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:37:41,495 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:37:41,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:37:41,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:37:41,495 INFO L87 Difference]: Start difference. First operand 1151 states and 2109 transitions. Second operand has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:41,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:37:41,841 INFO L93 Difference]: Finished difference Result 1489 states and 2694 transitions. [2022-02-18 15:37:41,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-18 15:37:41,841 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-02-18 15:37:41,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:37:41,842 INFO L225 Difference]: With dead ends: 1489 [2022-02-18 15:37:41,842 INFO L226 Difference]: Without dead ends: 1489 [2022-02-18 15:37:41,843 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=91, Invalid=181, Unknown=0, NotChecked=0, Total=272 [2022-02-18 15:37:41,843 INFO L933 BasicCegarLoop]: 109 mSDtfsCounter, 203 mSDsluCounter, 323 mSDsCounter, 0 mSdLazyCounter, 461 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 203 SdHoareTripleChecker+Valid, 431 SdHoareTripleChecker+Invalid, 503 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 461 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-18 15:37:41,843 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [203 Valid, 431 Invalid, 503 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 461 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-18 15:37:41,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1489 states. [2022-02-18 15:37:41,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1489 to 1163. [2022-02-18 15:37:41,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1163 states, 1158 states have (on average 1.8419689119170986) internal successors, (2133), 1162 states have internal predecessors, (2133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:41,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1163 states to 1163 states and 2133 transitions. [2022-02-18 15:37:41,852 INFO L78 Accepts]: Start accepts. Automaton has 1163 states and 2133 transitions. Word has length 112 [2022-02-18 15:37:41,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:37:41,853 INFO L470 AbstractCegarLoop]: Abstraction has 1163 states and 2133 transitions. [2022-02-18 15:37:41,853 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:41,853 INFO L276 IsEmpty]: Start isEmpty. Operand 1163 states and 2133 transitions. [2022-02-18 15:37:41,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-02-18 15:37:41,854 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:37:41,854 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:37:41,854 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable125 [2022-02-18 15:37:41,854 INFO L402 AbstractCegarLoop]: === Iteration 127 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:37:41,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:37:41,854 INFO L85 PathProgramCache]: Analyzing trace with hash -1433705624, now seen corresponding path program 4 times [2022-02-18 15:37:41,854 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:37:41,854 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1239183969] [2022-02-18 15:37:41,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:37:41,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:37:41,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:37:42,030 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:37:42,031 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:37:42,031 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1239183969] [2022-02-18 15:37:42,031 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1239183969] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:37:42,031 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:37:42,031 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:37:42,031 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1909738637] [2022-02-18 15:37:42,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:37:42,031 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:37:42,031 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:37:42,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:37:42,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:37:42,031 INFO L87 Difference]: Start difference. First operand 1163 states and 2133 transitions. Second operand has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:42,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:37:42,423 INFO L93 Difference]: Finished difference Result 1467 states and 2651 transitions. [2022-02-18 15:37:42,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-18 15:37:42,424 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-02-18 15:37:42,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:37:42,425 INFO L225 Difference]: With dead ends: 1467 [2022-02-18 15:37:42,425 INFO L226 Difference]: Without dead ends: 1467 [2022-02-18 15:37:42,425 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2022-02-18 15:37:42,426 INFO L933 BasicCegarLoop]: 109 mSDtfsCounter, 185 mSDsluCounter, 396 mSDsCounter, 0 mSdLazyCounter, 534 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 185 SdHoareTripleChecker+Valid, 504 SdHoareTripleChecker+Invalid, 574 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 534 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-18 15:37:42,426 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [185 Valid, 504 Invalid, 574 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 534 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-18 15:37:42,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1467 states. [2022-02-18 15:37:42,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1467 to 1163. [2022-02-18 15:37:42,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1163 states, 1158 states have (on average 1.8411053540587219) internal successors, (2132), 1162 states have internal predecessors, (2132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:42,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1163 states to 1163 states and 2132 transitions. [2022-02-18 15:37:42,437 INFO L78 Accepts]: Start accepts. Automaton has 1163 states and 2132 transitions. Word has length 112 [2022-02-18 15:37:42,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:37:42,437 INFO L470 AbstractCegarLoop]: Abstraction has 1163 states and 2132 transitions. [2022-02-18 15:37:42,437 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:42,438 INFO L276 IsEmpty]: Start isEmpty. Operand 1163 states and 2132 transitions. [2022-02-18 15:37:42,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-02-18 15:37:42,439 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:37:42,439 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] [2022-02-18 15:37:42,441 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable126 [2022-02-18 15:37:42,441 INFO L402 AbstractCegarLoop]: === Iteration 128 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:37:42,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:37:42,441 INFO L85 PathProgramCache]: Analyzing trace with hash 780760396, now seen corresponding path program 5 times [2022-02-18 15:37:42,442 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:37:42,442 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2013023751] [2022-02-18 15:37:42,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:37:42,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:37:42,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:37:42,720 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:37:42,720 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:37:42,720 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2013023751] [2022-02-18 15:37:42,720 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2013023751] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:37:42,720 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:37:42,720 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:37:42,720 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [960864639] [2022-02-18 15:37:42,720 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:37:42,720 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:37:42,720 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:37:42,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:37:42,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:37:42,721 INFO L87 Difference]: Start difference. First operand 1163 states and 2132 transitions. Second operand has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:43,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:37:43,186 INFO L93 Difference]: Finished difference Result 1441 states and 2600 transitions. [2022-02-18 15:37:43,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-18 15:37:43,186 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-02-18 15:37:43,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:37:43,188 INFO L225 Difference]: With dead ends: 1441 [2022-02-18 15:37:43,188 INFO L226 Difference]: Without dead ends: 1441 [2022-02-18 15:37:43,188 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 [2022-02-18 15:37:43,188 INFO L933 BasicCegarLoop]: 109 mSDtfsCounter, 205 mSDsluCounter, 331 mSDsCounter, 0 mSdLazyCounter, 483 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 205 SdHoareTripleChecker+Valid, 439 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 [2022-02-18 15:37:43,188 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [205 Valid, 439 Invalid, 528 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 483 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-18 15:37:43,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1441 states. [2022-02-18 15:37:43,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1441 to 1173. [2022-02-18 15:37:43,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1173 states, 1168 states have (on average 1.841609589041096) internal successors, (2151), 1172 states have internal predecessors, (2151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:43,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1173 states to 1173 states and 2151 transitions. [2022-02-18 15:37:43,200 INFO L78 Accepts]: Start accepts. Automaton has 1173 states and 2151 transitions. Word has length 112 [2022-02-18 15:37:43,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:37:43,200 INFO L470 AbstractCegarLoop]: Abstraction has 1173 states and 2151 transitions. [2022-02-18 15:37:43,200 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:43,200 INFO L276 IsEmpty]: Start isEmpty. Operand 1173 states and 2151 transitions. [2022-02-18 15:37:43,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-02-18 15:37:43,201 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:37:43,201 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:37:43,201 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable127 [2022-02-18 15:37:43,201 INFO L402 AbstractCegarLoop]: === Iteration 129 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:37:43,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:37:43,201 INFO L85 PathProgramCache]: Analyzing trace with hash 495289896, now seen corresponding path program 6 times [2022-02-18 15:37:43,201 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:37:43,201 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [18664929] [2022-02-18 15:37:43,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:37:43,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:37:43,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:37:43,538 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:37:43,538 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:37:43,538 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [18664929] [2022-02-18 15:37:43,538 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [18664929] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:37:43,538 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:37:43,538 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:37:43,538 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1214514915] [2022-02-18 15:37:43,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:37:43,539 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:37:43,539 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:37:43,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:37:43,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:37:43,539 INFO L87 Difference]: Start difference. First operand 1173 states and 2151 transitions. Second operand has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:43,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:37:43,979 INFO L93 Difference]: Finished difference Result 1429 states and 2578 transitions. [2022-02-18 15:37:43,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-18 15:37:43,980 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-02-18 15:37:43,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:37:43,981 INFO L225 Difference]: With dead ends: 1429 [2022-02-18 15:37:43,981 INFO L226 Difference]: Without dead ends: 1429 [2022-02-18 15:37:43,981 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2022-02-18 15:37:43,981 INFO L933 BasicCegarLoop]: 110 mSDtfsCounter, 180 mSDsluCounter, 318 mSDsCounter, 0 mSdLazyCounter, 421 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 180 SdHoareTripleChecker+Valid, 427 SdHoareTripleChecker+Invalid, 470 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 421 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-18 15:37:43,982 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [180 Valid, 427 Invalid, 470 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 421 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-18 15:37:43,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1429 states. [2022-02-18 15:37:43,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1429 to 1184. [2022-02-18 15:37:43,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1184 states, 1179 states have (on average 1.8337574215436812) internal successors, (2162), 1183 states have internal predecessors, (2162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:43,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1184 states to 1184 states and 2162 transitions. [2022-02-18 15:37:43,993 INFO L78 Accepts]: Start accepts. Automaton has 1184 states and 2162 transitions. Word has length 112 [2022-02-18 15:37:43,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:37:43,993 INFO L470 AbstractCegarLoop]: Abstraction has 1184 states and 2162 transitions. [2022-02-18 15:37:43,993 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:43,993 INFO L276 IsEmpty]: Start isEmpty. Operand 1184 states and 2162 transitions. [2022-02-18 15:37:43,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-02-18 15:37:43,994 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:37:43,994 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:37:43,994 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable128 [2022-02-18 15:37:43,994 INFO L402 AbstractCegarLoop]: === Iteration 130 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:37:43,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:37:43,994 INFO L85 PathProgramCache]: Analyzing trace with hash -91125687, now seen corresponding path program 16 times [2022-02-18 15:37:43,994 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:37:43,994 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1908994824] [2022-02-18 15:37:43,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:37:43,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:37:44,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:37:44,524 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:37:44,524 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:37:44,524 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1908994824] [2022-02-18 15:37:44,524 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1908994824] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:37:44,524 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:37:44,524 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-02-18 15:37:44,524 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1737069141] [2022-02-18 15:37:44,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:37:44,524 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-02-18 15:37:44,524 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:37:44,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-02-18 15:37:44,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=278, Unknown=0, NotChecked=0, Total=342 [2022-02-18 15:37:44,525 INFO L87 Difference]: Start difference. First operand 1184 states and 2162 transitions. Second operand has 19 states, 18 states have (on average 3.7222222222222223) internal successors, (67), 19 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:45,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:37:45,718 INFO L93 Difference]: Finished difference Result 2052 states and 3733 transitions. [2022-02-18 15:37:45,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-18 15:37:45,719 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.7222222222222223) internal successors, (67), 19 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-02-18 15:37:45,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:37:45,721 INFO L225 Difference]: With dead ends: 2052 [2022-02-18 15:37:45,721 INFO L226 Difference]: Without dead ends: 2052 [2022-02-18 15:37:45,721 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 366 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=355, Invalid=1285, Unknown=0, NotChecked=0, Total=1640 [2022-02-18 15:37:45,721 INFO L933 BasicCegarLoop]: 110 mSDtfsCounter, 727 mSDsluCounter, 682 mSDsCounter, 0 mSdLazyCounter, 1126 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 727 SdHoareTripleChecker+Valid, 791 SdHoareTripleChecker+Invalid, 1226 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 1126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-02-18 15:37:45,721 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [727 Valid, 791 Invalid, 1226 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 1126 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-02-18 15:37:45,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2052 states. [2022-02-18 15:37:45,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2052 to 1276. [2022-02-18 15:37:45,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1276 states, 1271 states have (on average 1.846577498033045) internal successors, (2347), 1275 states have internal predecessors, (2347), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:45,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1276 states to 1276 states and 2347 transitions. [2022-02-18 15:37:45,733 INFO L78 Accepts]: Start accepts. Automaton has 1276 states and 2347 transitions. Word has length 112 [2022-02-18 15:37:45,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:37:45,733 INFO L470 AbstractCegarLoop]: Abstraction has 1276 states and 2347 transitions. [2022-02-18 15:37:45,733 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.7222222222222223) internal successors, (67), 19 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:45,733 INFO L276 IsEmpty]: Start isEmpty. Operand 1276 states and 2347 transitions. [2022-02-18 15:37:45,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-02-18 15:37:45,734 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:37:45,734 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] [2022-02-18 15:37:45,734 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable129 [2022-02-18 15:37:45,734 INFO L402 AbstractCegarLoop]: === Iteration 131 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:37:45,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:37:45,734 INFO L85 PathProgramCache]: Analyzing trace with hash 1042863377, now seen corresponding path program 4 times [2022-02-18 15:37:45,734 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:37:45,734 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [777203237] [2022-02-18 15:37:45,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:37:45,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:37:45,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:37:45,941 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:37:45,942 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:37:45,942 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [777203237] [2022-02-18 15:37:45,942 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [777203237] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:37:45,942 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:37:45,942 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:37:45,942 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619214500] [2022-02-18 15:37:45,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:37:45,942 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:37:45,942 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:37:45,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:37:45,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:37:45,942 INFO L87 Difference]: Start difference. First operand 1276 states and 2347 transitions. Second operand has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:46,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:37:46,268 INFO L93 Difference]: Finished difference Result 1658 states and 3011 transitions. [2022-02-18 15:37:46,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-18 15:37:46,268 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-02-18 15:37:46,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:37:46,269 INFO L225 Difference]: With dead ends: 1658 [2022-02-18 15:37:46,269 INFO L226 Difference]: Without dead ends: 1658 [2022-02-18 15:37:46,270 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=78, Unknown=0, NotChecked=0, Total=132 [2022-02-18 15:37:46,270 INFO L933 BasicCegarLoop]: 120 mSDtfsCounter, 203 mSDsluCounter, 398 mSDsCounter, 0 mSdLazyCounter, 554 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 203 SdHoareTripleChecker+Valid, 518 SdHoareTripleChecker+Invalid, 605 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 554 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-18 15:37:46,270 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [203 Valid, 518 Invalid, 605 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 554 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-18 15:37:46,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1658 states. [2022-02-18 15:37:46,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1658 to 1274. [2022-02-18 15:37:46,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1274 states, 1269 states have (on average 1.846335697399527) internal successors, (2343), 1273 states have internal predecessors, (2343), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:46,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1274 states to 1274 states and 2343 transitions. [2022-02-18 15:37:46,280 INFO L78 Accepts]: Start accepts. Automaton has 1274 states and 2343 transitions. Word has length 112 [2022-02-18 15:37:46,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:37:46,280 INFO L470 AbstractCegarLoop]: Abstraction has 1274 states and 2343 transitions. [2022-02-18 15:37:46,281 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:46,281 INFO L276 IsEmpty]: Start isEmpty. Operand 1274 states and 2343 transitions. [2022-02-18 15:37:46,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-02-18 15:37:46,281 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:37:46,282 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] [2022-02-18 15:37:46,282 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable130 [2022-02-18 15:37:46,282 INFO L402 AbstractCegarLoop]: === Iteration 132 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:37:46,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:37:46,282 INFO L85 PathProgramCache]: Analyzing trace with hash 956572489, now seen corresponding path program 5 times [2022-02-18 15:37:46,282 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:37:46,282 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [144425628] [2022-02-18 15:37:46,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:37:46,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:37:46,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:37:46,579 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:37:46,579 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:37:46,579 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [144425628] [2022-02-18 15:37:46,579 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [144425628] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:37:46,579 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:37:46,579 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:37:46,579 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [537523525] [2022-02-18 15:37:46,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:37:46,579 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:37:46,580 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:37:46,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:37:46,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:37:46,580 INFO L87 Difference]: Start difference. First operand 1274 states and 2343 transitions. Second operand has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:46,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:37:46,951 INFO L93 Difference]: Finished difference Result 1622 states and 2939 transitions. [2022-02-18 15:37:46,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-18 15:37:46,951 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-02-18 15:37:46,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:37:46,953 INFO L225 Difference]: With dead ends: 1622 [2022-02-18 15:37:46,953 INFO L226 Difference]: Without dead ends: 1622 [2022-02-18 15:37:46,953 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=54, Invalid=78, Unknown=0, NotChecked=0, Total=132 [2022-02-18 15:37:46,953 INFO L933 BasicCegarLoop]: 120 mSDtfsCounter, 219 mSDsluCounter, 270 mSDsCounter, 0 mSdLazyCounter, 454 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 219 SdHoareTripleChecker+Valid, 390 SdHoareTripleChecker+Invalid, 506 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 454 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-18 15:37:46,953 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [219 Valid, 390 Invalid, 506 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 454 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-18 15:37:46,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1622 states. [2022-02-18 15:37:46,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1622 to 1268. [2022-02-18 15:37:46,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1268 states, 1263 states have (on average 1.845605700712589) internal successors, (2331), 1267 states have internal predecessors, (2331), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:46,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1268 states to 1268 states and 2331 transitions. [2022-02-18 15:37:46,965 INFO L78 Accepts]: Start accepts. Automaton has 1268 states and 2331 transitions. Word has length 112 [2022-02-18 15:37:46,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:37:46,965 INFO L470 AbstractCegarLoop]: Abstraction has 1268 states and 2331 transitions. [2022-02-18 15:37:46,965 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:46,965 INFO L276 IsEmpty]: Start isEmpty. Operand 1268 states and 2331 transitions. [2022-02-18 15:37:46,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-02-18 15:37:46,966 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:37:46,966 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:37:46,966 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable131 [2022-02-18 15:37:46,966 INFO L402 AbstractCegarLoop]: === Iteration 133 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:37:46,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:37:46,966 INFO L85 PathProgramCache]: Analyzing trace with hash -1253420819, now seen corresponding path program 6 times [2022-02-18 15:37:46,967 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:37:46,967 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1503640203] [2022-02-18 15:37:46,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:37:46,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:37:46,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:37:47,334 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:37:47,334 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:37:47,334 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1503640203] [2022-02-18 15:37:47,334 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1503640203] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:37:47,334 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:37:47,334 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:37:47,334 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352777442] [2022-02-18 15:37:47,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:37:47,335 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:37:47,335 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:37:47,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:37:47,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:37:47,335 INFO L87 Difference]: Start difference. First operand 1268 states and 2331 transitions. Second operand has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:47,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:37:47,754 INFO L93 Difference]: Finished difference Result 1592 states and 2878 transitions. [2022-02-18 15:37:47,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-18 15:37:47,754 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-02-18 15:37:47,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:37:47,756 INFO L225 Difference]: With dead ends: 1592 [2022-02-18 15:37:47,756 INFO L226 Difference]: Without dead ends: 1592 [2022-02-18 15:37:47,756 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=54, Invalid=78, Unknown=0, NotChecked=0, Total=132 [2022-02-18 15:37:47,756 INFO L933 BasicCegarLoop]: 120 mSDtfsCounter, 200 mSDsluCounter, 363 mSDsCounter, 0 mSdLazyCounter, 565 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 200 SdHoareTripleChecker+Valid, 483 SdHoareTripleChecker+Invalid, 614 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 565 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-18 15:37:47,756 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [200 Valid, 483 Invalid, 614 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 565 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-18 15:37:47,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1592 states. [2022-02-18 15:37:47,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1592 to 1266. [2022-02-18 15:37:47,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1266 states, 1261 states have (on average 1.84456780333069) internal successors, (2326), 1265 states have internal predecessors, (2326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:47,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1266 states to 1266 states and 2326 transitions. [2022-02-18 15:37:47,766 INFO L78 Accepts]: Start accepts. Automaton has 1266 states and 2326 transitions. Word has length 112 [2022-02-18 15:37:47,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:37:47,767 INFO L470 AbstractCegarLoop]: Abstraction has 1266 states and 2326 transitions. [2022-02-18 15:37:47,767 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:47,767 INFO L276 IsEmpty]: Start isEmpty. Operand 1266 states and 2326 transitions. [2022-02-18 15:37:47,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-02-18 15:37:47,768 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:37:47,768 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:37:47,768 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable132 [2022-02-18 15:37:47,768 INFO L402 AbstractCegarLoop]: === Iteration 134 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:37:47,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:37:47,768 INFO L85 PathProgramCache]: Analyzing trace with hash -1704573036, now seen corresponding path program 7 times [2022-02-18 15:37:47,768 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:37:47,768 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737669320] [2022-02-18 15:37:47,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:37:47,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:37:47,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:37:47,890 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:37:47,890 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:37:47,890 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [737669320] [2022-02-18 15:37:47,890 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [737669320] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:37:47,890 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:37:47,890 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:37:47,890 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [624344572] [2022-02-18 15:37:47,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:37:47,890 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:37:47,891 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:37:47,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:37:47,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:37:47,891 INFO L87 Difference]: Start difference. First operand 1266 states and 2326 transitions. Second operand has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:48,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:37:48,225 INFO L93 Difference]: Finished difference Result 1644 states and 2987 transitions. [2022-02-18 15:37:48,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-18 15:37:48,226 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-02-18 15:37:48,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:37:48,227 INFO L225 Difference]: With dead ends: 1644 [2022-02-18 15:37:48,228 INFO L226 Difference]: Without dead ends: 1644 [2022-02-18 15:37:48,228 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=81, Unknown=0, NotChecked=0, Total=132 [2022-02-18 15:37:48,228 INFO L933 BasicCegarLoop]: 118 mSDtfsCounter, 198 mSDsluCounter, 372 mSDsCounter, 0 mSdLazyCounter, 602 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 198 SdHoareTripleChecker+Valid, 490 SdHoareTripleChecker+Invalid, 634 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 602 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-18 15:37:48,228 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [198 Valid, 490 Invalid, 634 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 602 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-18 15:37:48,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1644 states. [2022-02-18 15:37:48,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1644 to 1267. [2022-02-18 15:37:48,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1267 states, 1262 states have (on average 1.8446909667194928) internal successors, (2328), 1266 states have internal predecessors, (2328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:48,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1267 states to 1267 states and 2328 transitions. [2022-02-18 15:37:48,239 INFO L78 Accepts]: Start accepts. Automaton has 1267 states and 2328 transitions. Word has length 112 [2022-02-18 15:37:48,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:37:48,239 INFO L470 AbstractCegarLoop]: Abstraction has 1267 states and 2328 transitions. [2022-02-18 15:37:48,239 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:48,239 INFO L276 IsEmpty]: Start isEmpty. Operand 1267 states and 2328 transitions. [2022-02-18 15:37:48,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-02-18 15:37:48,240 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:37:48,240 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] [2022-02-18 15:37:48,240 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable133 [2022-02-18 15:37:48,240 INFO L402 AbstractCegarLoop]: === Iteration 135 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:37:48,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:37:48,240 INFO L85 PathProgramCache]: Analyzing trace with hash -1704480966, now seen corresponding path program 8 times [2022-02-18 15:37:48,240 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:37:48,241 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [56851405] [2022-02-18 15:37:48,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:37:48,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:37:48,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:37:48,475 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:37:48,475 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:37:48,475 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [56851405] [2022-02-18 15:37:48,475 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [56851405] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:37:48,475 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:37:48,475 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:37:48,475 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086103791] [2022-02-18 15:37:48,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:37:48,475 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:37:48,476 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:37:48,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:37:48,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:37:48,476 INFO L87 Difference]: Start difference. First operand 1267 states and 2328 transitions. Second operand has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:48,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:37:48,853 INFO L93 Difference]: Finished difference Result 1609 states and 2918 transitions. [2022-02-18 15:37:48,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-18 15:37:48,853 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-02-18 15:37:48,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:37:48,854 INFO L225 Difference]: With dead ends: 1609 [2022-02-18 15:37:48,855 INFO L226 Difference]: Without dead ends: 1609 [2022-02-18 15:37:48,855 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=54, Invalid=78, Unknown=0, NotChecked=0, Total=132 [2022-02-18 15:37:48,855 INFO L933 BasicCegarLoop]: 118 mSDtfsCounter, 204 mSDsluCounter, 303 mSDsCounter, 0 mSdLazyCounter, 481 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 204 SdHoareTripleChecker+Valid, 421 SdHoareTripleChecker+Invalid, 517 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 481 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-18 15:37:48,855 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [204 Valid, 421 Invalid, 517 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 481 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-18 15:37:48,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1609 states. [2022-02-18 15:37:48,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1609 to 1239. [2022-02-18 15:37:48,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1239 states, 1234 states have (on average 1.8411669367909238) internal successors, (2272), 1238 states have internal predecessors, (2272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:48,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1239 states to 1239 states and 2272 transitions. [2022-02-18 15:37:48,865 INFO L78 Accepts]: Start accepts. Automaton has 1239 states and 2272 transitions. Word has length 112 [2022-02-18 15:37:48,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:37:48,865 INFO L470 AbstractCegarLoop]: Abstraction has 1239 states and 2272 transitions. [2022-02-18 15:37:48,865 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:48,865 INFO L276 IsEmpty]: Start isEmpty. Operand 1239 states and 2272 transitions. [2022-02-18 15:37:48,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-02-18 15:37:48,866 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:37:48,866 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:37:48,866 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable134 [2022-02-18 15:37:48,866 INFO L402 AbstractCegarLoop]: === Iteration 136 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:37:48,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:37:48,867 INFO L85 PathProgramCache]: Analyzing trace with hash -604320372, now seen corresponding path program 9 times [2022-02-18 15:37:48,867 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:37:48,867 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2126820775] [2022-02-18 15:37:48,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:37:48,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:37:48,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:37:49,131 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:37:49,132 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:37:49,132 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2126820775] [2022-02-18 15:37:49,132 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2126820775] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:37:49,132 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:37:49,132 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:37:49,132 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139880179] [2022-02-18 15:37:49,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:37:49,132 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:37:49,132 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:37:49,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:37:49,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:37:49,132 INFO L87 Difference]: Start difference. First operand 1239 states and 2272 transitions. Second operand has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:49,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:37:49,531 INFO L93 Difference]: Finished difference Result 1577 states and 2855 transitions. [2022-02-18 15:37:49,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-18 15:37:49,531 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-02-18 15:37:49,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:37:49,532 INFO L225 Difference]: With dead ends: 1577 [2022-02-18 15:37:49,532 INFO L226 Difference]: Without dead ends: 1577 [2022-02-18 15:37:49,533 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 [2022-02-18 15:37:49,533 INFO L933 BasicCegarLoop]: 118 mSDtfsCounter, 203 mSDsluCounter, 300 mSDsCounter, 0 mSdLazyCounter, 480 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 203 SdHoareTripleChecker+Valid, 418 SdHoareTripleChecker+Invalid, 518 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 480 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-18 15:37:49,533 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [203 Valid, 418 Invalid, 518 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 480 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-18 15:37:49,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1577 states. [2022-02-18 15:37:49,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1577 to 1213. [2022-02-18 15:37:49,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1213 states, 1208 states have (on average 1.8377483443708609) internal successors, (2220), 1212 states have internal predecessors, (2220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:49,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1213 states to 1213 states and 2220 transitions. [2022-02-18 15:37:49,543 INFO L78 Accepts]: Start accepts. Automaton has 1213 states and 2220 transitions. Word has length 112 [2022-02-18 15:37:49,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:37:49,543 INFO L470 AbstractCegarLoop]: Abstraction has 1213 states and 2220 transitions. [2022-02-18 15:37:49,543 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:49,543 INFO L276 IsEmpty]: Start isEmpty. Operand 1213 states and 2220 transitions. [2022-02-18 15:37:49,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-02-18 15:37:49,544 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:37:49,544 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:37:49,544 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable135 [2022-02-18 15:37:49,544 INFO L402 AbstractCegarLoop]: === Iteration 137 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:37:49,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:37:49,544 INFO L85 PathProgramCache]: Analyzing trace with hash 905991226, now seen corresponding path program 10 times [2022-02-18 15:37:49,544 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:37:49,544 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061787087] [2022-02-18 15:37:49,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:37:49,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:37:49,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:37:49,884 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:37:49,884 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:37:49,884 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1061787087] [2022-02-18 15:37:49,884 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1061787087] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:37:49,884 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:37:49,884 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:37:49,884 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [13518149] [2022-02-18 15:37:49,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:37:49,885 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:37:49,885 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:37:49,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:37:49,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:37:49,885 INFO L87 Difference]: Start difference. First operand 1213 states and 2220 transitions. Second operand has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:50,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:37:50,318 INFO L93 Difference]: Finished difference Result 1565 states and 2833 transitions. [2022-02-18 15:37:50,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-18 15:37:50,318 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-02-18 15:37:50,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:37:50,320 INFO L225 Difference]: With dead ends: 1565 [2022-02-18 15:37:50,320 INFO L226 Difference]: Without dead ends: 1565 [2022-02-18 15:37:50,320 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=54, Invalid=78, Unknown=0, NotChecked=0, Total=132 [2022-02-18 15:37:50,320 INFO L933 BasicCegarLoop]: 118 mSDtfsCounter, 193 mSDsluCounter, 256 mSDsCounter, 0 mSdLazyCounter, 475 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 193 SdHoareTripleChecker+Valid, 374 SdHoareTripleChecker+Invalid, 512 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 475 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-18 15:37:50,320 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [193 Valid, 374 Invalid, 512 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 475 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-18 15:37:50,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1565 states. [2022-02-18 15:37:50,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1565 to 1061. [2022-02-18 15:37:50,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1061 states, 1056 states have (on average 1.8210227272727273) internal successors, (1923), 1060 states have internal predecessors, (1923), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:50,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1061 states to 1061 states and 1923 transitions. [2022-02-18 15:37:50,329 INFO L78 Accepts]: Start accepts. Automaton has 1061 states and 1923 transitions. Word has length 112 [2022-02-18 15:37:50,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:37:50,329 INFO L470 AbstractCegarLoop]: Abstraction has 1061 states and 1923 transitions. [2022-02-18 15:37:50,329 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:50,329 INFO L276 IsEmpty]: Start isEmpty. Operand 1061 states and 1923 transitions. [2022-02-18 15:37:50,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-02-18 15:37:50,330 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:37:50,330 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:37:50,330 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable136 [2022-02-18 15:37:50,330 INFO L402 AbstractCegarLoop]: === Iteration 138 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:37:50,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:37:50,330 INFO L85 PathProgramCache]: Analyzing trace with hash -462796327, now seen corresponding path program 17 times [2022-02-18 15:37:50,330 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:37:50,330 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [162362807] [2022-02-18 15:37:50,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:37:50,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:37:50,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:37:50,655 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:37:50,655 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:37:50,655 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [162362807] [2022-02-18 15:37:50,655 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [162362807] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:37:50,656 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:37:50,656 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:37:50,656 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490009082] [2022-02-18 15:37:50,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:37:50,656 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:37:50,656 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:37:50,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:37:50,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:37:50,656 INFO L87 Difference]: Start difference. First operand 1061 states and 1923 transitions. Second operand has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:51,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:37:51,101 INFO L93 Difference]: Finished difference Result 1612 states and 2917 transitions. [2022-02-18 15:37:51,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-18 15:37:51,101 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-02-18 15:37:51,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:37:51,104 INFO L225 Difference]: With dead ends: 1612 [2022-02-18 15:37:51,104 INFO L226 Difference]: Without dead ends: 1612 [2022-02-18 15:37:51,104 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=54, Invalid=78, Unknown=0, NotChecked=0, Total=132 [2022-02-18 15:37:51,104 INFO L933 BasicCegarLoop]: 118 mSDtfsCounter, 206 mSDsluCounter, 279 mSDsCounter, 0 mSdLazyCounter, 551 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 206 SdHoareTripleChecker+Valid, 396 SdHoareTripleChecker+Invalid, 590 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 551 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-18 15:37:51,104 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [206 Valid, 396 Invalid, 590 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 551 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-18 15:37:51,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1612 states. [2022-02-18 15:37:51,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1612 to 950. [2022-02-18 15:37:51,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 950 states, 945 states have (on average 1.8052910052910054) internal successors, (1706), 949 states have internal predecessors, (1706), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:51,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 950 states to 950 states and 1706 transitions. [2022-02-18 15:37:51,114 INFO L78 Accepts]: Start accepts. Automaton has 950 states and 1706 transitions. Word has length 112 [2022-02-18 15:37:51,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:37:51,114 INFO L470 AbstractCegarLoop]: Abstraction has 950 states and 1706 transitions. [2022-02-18 15:37:51,114 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:51,114 INFO L276 IsEmpty]: Start isEmpty. Operand 950 states and 1706 transitions. [2022-02-18 15:37:51,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-02-18 15:37:51,115 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:37:51,115 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:37:51,115 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable137 [2022-02-18 15:37:51,115 INFO L402 AbstractCegarLoop]: === Iteration 139 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:37:51,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:37:51,115 INFO L85 PathProgramCache]: Analyzing trace with hash -322621927, now seen corresponding path program 18 times [2022-02-18 15:37:51,115 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:37:51,115 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2135186434] [2022-02-18 15:37:51,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:37:51,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:37:51,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:37:51,516 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:37:51,517 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:37:51,517 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2135186434] [2022-02-18 15:37:51,517 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2135186434] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:37:51,517 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:37:51,517 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:37:51,517 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782986077] [2022-02-18 15:37:51,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:37:51,517 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:37:51,517 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:37:51,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:37:51,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:37:51,518 INFO L87 Difference]: Start difference. First operand 950 states and 1706 transitions. Second operand has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:52,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:37:52,109 INFO L93 Difference]: Finished difference Result 1007 states and 1802 transitions. [2022-02-18 15:37:52,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-18 15:37:52,109 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-02-18 15:37:52,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:37:52,110 INFO L225 Difference]: With dead ends: 1007 [2022-02-18 15:37:52,110 INFO L226 Difference]: Without dead ends: 1007 [2022-02-18 15:37:52,110 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=94, Invalid=146, Unknown=0, NotChecked=0, Total=240 [2022-02-18 15:37:52,110 INFO L933 BasicCegarLoop]: 99 mSDtfsCounter, 151 mSDsluCounter, 252 mSDsCounter, 0 mSdLazyCounter, 452 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 350 SdHoareTripleChecker+Invalid, 496 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 452 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-18 15:37:52,110 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [151 Valid, 350 Invalid, 496 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 452 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-18 15:37:52,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1007 states. [2022-02-18 15:37:52,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1007 to 949. [2022-02-18 15:37:52,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 949 states, 944 states have (on average 1.80614406779661) internal successors, (1705), 948 states have internal predecessors, (1705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:52,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 949 states to 949 states and 1705 transitions. [2022-02-18 15:37:52,117 INFO L78 Accepts]: Start accepts. Automaton has 949 states and 1705 transitions. Word has length 112 [2022-02-18 15:37:52,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:37:52,118 INFO L470 AbstractCegarLoop]: Abstraction has 949 states and 1705 transitions. [2022-02-18 15:37:52,118 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:52,118 INFO L276 IsEmpty]: Start isEmpty. Operand 949 states and 1705 transitions. [2022-02-18 15:37:52,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-02-18 15:37:52,118 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:37:52,118 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] [2022-02-18 15:37:52,118 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable138 [2022-02-18 15:37:52,118 INFO L402 AbstractCegarLoop]: === Iteration 140 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:37:52,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:37:52,119 INFO L85 PathProgramCache]: Analyzing trace with hash 1093046965, now seen corresponding path program 19 times [2022-02-18 15:37:52,119 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:37:52,119 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953348991] [2022-02-18 15:37:52,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:37:52,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:37:52,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:37:52,465 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:37:52,466 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:37:52,466 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1953348991] [2022-02-18 15:37:52,466 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1953348991] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:37:52,466 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:37:52,466 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:37:52,466 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946550223] [2022-02-18 15:37:52,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:37:52,466 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:37:52,466 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:37:52,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:37:52,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:37:52,467 INFO L87 Difference]: Start difference. First operand 949 states and 1705 transitions. Second operand has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:52,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:37:52,935 INFO L93 Difference]: Finished difference Result 1031 states and 1844 transitions. [2022-02-18 15:37:52,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-18 15:37:52,935 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-02-18 15:37:52,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:37:52,937 INFO L225 Difference]: With dead ends: 1031 [2022-02-18 15:37:52,937 INFO L226 Difference]: Without dead ends: 1031 [2022-02-18 15:37:52,937 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=84, Invalid=126, Unknown=0, NotChecked=0, Total=210 [2022-02-18 15:37:52,937 INFO L933 BasicCegarLoop]: 100 mSDtfsCounter, 143 mSDsluCounter, 250 mSDsCounter, 0 mSdLazyCounter, 444 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 349 SdHoareTripleChecker+Invalid, 484 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 444 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-18 15:37:52,937 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [143 Valid, 349 Invalid, 484 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 444 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-18 15:37:52,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1031 states. [2022-02-18 15:37:52,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1031 to 948. [2022-02-18 15:37:52,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 948 states, 943 states have (on average 1.8059384941675505) internal successors, (1703), 947 states have internal predecessors, (1703), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:52,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 948 states to 948 states and 1703 transitions. [2022-02-18 15:37:52,945 INFO L78 Accepts]: Start accepts. Automaton has 948 states and 1703 transitions. Word has length 112 [2022-02-18 15:37:52,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:37:52,945 INFO L470 AbstractCegarLoop]: Abstraction has 948 states and 1703 transitions. [2022-02-18 15:37:52,945 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:52,945 INFO L276 IsEmpty]: Start isEmpty. Operand 948 states and 1703 transitions. [2022-02-18 15:37:52,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-02-18 15:37:52,946 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:37:52,946 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:37:52,946 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable139 [2022-02-18 15:37:52,946 INFO L402 AbstractCegarLoop]: === Iteration 141 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:37:52,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:37:52,947 INFO L85 PathProgramCache]: Analyzing trace with hash 487992931, now seen corresponding path program 20 times [2022-02-18 15:37:52,947 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:37:52,947 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [244744645] [2022-02-18 15:37:52,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:37:52,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:37:52,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:37:53,542 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:37:53,542 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:37:53,542 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [244744645] [2022-02-18 15:37:53,542 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [244744645] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:37:53,542 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:37:53,542 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-02-18 15:37:53,542 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [579159783] [2022-02-18 15:37:53,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:37:53,543 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-02-18 15:37:53,543 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:37:53,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-02-18 15:37:53,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=278, Unknown=0, NotChecked=0, Total=342 [2022-02-18 15:37:53,543 INFO L87 Difference]: Start difference. First operand 948 states and 1703 transitions. Second operand has 19 states, 18 states have (on average 3.7222222222222223) internal successors, (67), 19 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:55,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:37:55,231 INFO L93 Difference]: Finished difference Result 1542 states and 2785 transitions. [2022-02-18 15:37:55,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-18 15:37:55,232 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.7222222222222223) internal successors, (67), 19 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-02-18 15:37:55,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:37:55,233 INFO L225 Difference]: With dead ends: 1542 [2022-02-18 15:37:55,233 INFO L226 Difference]: Without dead ends: 1542 [2022-02-18 15:37:55,234 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 308 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=323, Invalid=1159, Unknown=0, NotChecked=0, Total=1482 [2022-02-18 15:37:55,234 INFO L933 BasicCegarLoop]: 104 mSDtfsCounter, 513 mSDsluCounter, 778 mSDsCounter, 0 mSdLazyCounter, 1711 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 513 SdHoareTripleChecker+Valid, 881 SdHoareTripleChecker+Invalid, 1790 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 1711 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-02-18 15:37:55,234 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [513 Valid, 881 Invalid, 1790 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 1711 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-02-18 15:37:55,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1542 states. [2022-02-18 15:37:55,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1542 to 947. [2022-02-18 15:37:55,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 947 states, 942 states have (on average 1.805732484076433) internal successors, (1701), 946 states have internal predecessors, (1701), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:55,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 947 states to 947 states and 1701 transitions. [2022-02-18 15:37:55,243 INFO L78 Accepts]: Start accepts. Automaton has 947 states and 1701 transitions. Word has length 112 [2022-02-18 15:37:55,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:37:55,243 INFO L470 AbstractCegarLoop]: Abstraction has 947 states and 1701 transitions. [2022-02-18 15:37:55,243 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.7222222222222223) internal successors, (67), 19 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:55,243 INFO L276 IsEmpty]: Start isEmpty. Operand 947 states and 1701 transitions. [2022-02-18 15:37:55,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-02-18 15:37:55,244 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:37:55,244 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] [2022-02-18 15:37:55,244 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable140 [2022-02-18 15:37:55,244 INFO L402 AbstractCegarLoop]: === Iteration 142 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:37:55,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:37:55,244 INFO L85 PathProgramCache]: Analyzing trace with hash 519502243, now seen corresponding path program 21 times [2022-02-18 15:37:55,244 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:37:55,244 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811385333] [2022-02-18 15:37:55,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:37:55,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:37:55,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:37:55,724 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:37:55,724 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:37:55,724 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1811385333] [2022-02-18 15:37:55,724 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1811385333] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:37:55,725 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:37:55,725 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-02-18 15:37:55,725 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495143860] [2022-02-18 15:37:55,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:37:55,725 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-02-18 15:37:55,725 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:37:55,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-02-18 15:37:55,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=278, Unknown=0, NotChecked=0, Total=342 [2022-02-18 15:37:55,725 INFO L87 Difference]: Start difference. First operand 947 states and 1701 transitions. Second operand has 19 states, 18 states have (on average 3.7222222222222223) internal successors, (67), 19 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:56,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:37:56,924 INFO L93 Difference]: Finished difference Result 1525 states and 2757 transitions. [2022-02-18 15:37:56,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-02-18 15:37:56,924 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.7222222222222223) internal successors, (67), 19 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-02-18 15:37:56,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:37:56,926 INFO L225 Difference]: With dead ends: 1525 [2022-02-18 15:37:56,926 INFO L226 Difference]: Without dead ends: 1525 [2022-02-18 15:37:56,926 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 292 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=303, Invalid=1103, Unknown=0, NotChecked=0, Total=1406 [2022-02-18 15:37:56,926 INFO L933 BasicCegarLoop]: 99 mSDtfsCounter, 515 mSDsluCounter, 663 mSDsCounter, 0 mSdLazyCounter, 1441 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 515 SdHoareTripleChecker+Valid, 761 SdHoareTripleChecker+Invalid, 1512 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 1441 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-02-18 15:37:56,926 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [515 Valid, 761 Invalid, 1512 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 1441 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-02-18 15:37:56,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1525 states. [2022-02-18 15:37:56,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1525 to 906. [2022-02-18 15:37:56,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 906 states, 901 states have (on average 1.8035516093229744) internal successors, (1625), 905 states have internal predecessors, (1625), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:56,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 906 states to 906 states and 1625 transitions. [2022-02-18 15:37:56,934 INFO L78 Accepts]: Start accepts. Automaton has 906 states and 1625 transitions. Word has length 112 [2022-02-18 15:37:56,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:37:56,934 INFO L470 AbstractCegarLoop]: Abstraction has 906 states and 1625 transitions. [2022-02-18 15:37:56,935 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.7222222222222223) internal successors, (67), 19 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:56,935 INFO L276 IsEmpty]: Start isEmpty. Operand 906 states and 1625 transitions. [2022-02-18 15:37:56,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-02-18 15:37:56,935 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:37:56,935 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:37:56,935 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable141 [2022-02-18 15:37:56,935 INFO L402 AbstractCegarLoop]: === Iteration 143 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:37:56,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:37:56,936 INFO L85 PathProgramCache]: Analyzing trace with hash 758665228, now seen corresponding path program 11 times [2022-02-18 15:37:56,936 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:37:56,936 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1514493371] [2022-02-18 15:37:56,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:37:56,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:37:56,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:37:57,257 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:37:57,258 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:37:57,258 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1514493371] [2022-02-18 15:37:57,258 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1514493371] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:37:57,258 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:37:57,258 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:37:57,258 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [537466555] [2022-02-18 15:37:57,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:37:57,258 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:37:57,258 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:37:57,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:37:57,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:37:57,258 INFO L87 Difference]: Start difference. First operand 906 states and 1625 transitions. Second operand has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:57,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:37:57,772 INFO L93 Difference]: Finished difference Result 939 states and 1681 transitions. [2022-02-18 15:37:57,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-18 15:37:57,772 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-02-18 15:37:57,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:37:57,773 INFO L225 Difference]: With dead ends: 939 [2022-02-18 15:37:57,773 INFO L226 Difference]: Without dead ends: 939 [2022-02-18 15:37:57,773 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=94, Invalid=146, Unknown=0, NotChecked=0, Total=240 [2022-02-18 15:37:57,773 INFO L933 BasicCegarLoop]: 107 mSDtfsCounter, 153 mSDsluCounter, 362 mSDsCounter, 0 mSdLazyCounter, 534 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 153 SdHoareTripleChecker+Valid, 469 SdHoareTripleChecker+Invalid, 582 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 534 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-18 15:37:57,773 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [153 Valid, 469 Invalid, 582 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 534 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-18 15:37:57,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 939 states. [2022-02-18 15:37:57,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 939 to 906. [2022-02-18 15:37:57,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 906 states, 901 states have (on average 1.8035516093229744) internal successors, (1625), 905 states have internal predecessors, (1625), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:57,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 906 states to 906 states and 1625 transitions. [2022-02-18 15:37:57,780 INFO L78 Accepts]: Start accepts. Automaton has 906 states and 1625 transitions. Word has length 112 [2022-02-18 15:37:57,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:37:57,780 INFO L470 AbstractCegarLoop]: Abstraction has 906 states and 1625 transitions. [2022-02-18 15:37:57,780 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:57,780 INFO L276 IsEmpty]: Start isEmpty. Operand 906 states and 1625 transitions. [2022-02-18 15:37:57,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-02-18 15:37:57,781 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:37:57,781 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:37:57,781 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable142 [2022-02-18 15:37:57,781 INFO L402 AbstractCegarLoop]: === Iteration 144 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:37:57,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:37:57,781 INFO L85 PathProgramCache]: Analyzing trace with hash -786041846, now seen corresponding path program 12 times [2022-02-18 15:37:57,781 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:37:57,781 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2062246997] [2022-02-18 15:37:57,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:37:57,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:37:57,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:37:58,132 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:37:58,133 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:37:58,133 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2062246997] [2022-02-18 15:37:58,133 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2062246997] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:37:58,133 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:37:58,133 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:37:58,133 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019994944] [2022-02-18 15:37:58,133 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:37:58,133 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:37:58,133 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:37:58,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:37:58,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:37:58,133 INFO L87 Difference]: Start difference. First operand 906 states and 1625 transitions. Second operand has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:58,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:37:58,633 INFO L93 Difference]: Finished difference Result 951 states and 1699 transitions. [2022-02-18 15:37:58,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-18 15:37:58,634 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-02-18 15:37:58,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:37:58,635 INFO L225 Difference]: With dead ends: 951 [2022-02-18 15:37:58,635 INFO L226 Difference]: Without dead ends: 951 [2022-02-18 15:37:58,635 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=84, Invalid=126, Unknown=0, NotChecked=0, Total=210 [2022-02-18 15:37:58,635 INFO L933 BasicCegarLoop]: 103 mSDtfsCounter, 159 mSDsluCounter, 220 mSDsCounter, 0 mSdLazyCounter, 367 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 323 SdHoareTripleChecker+Invalid, 416 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 367 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-18 15:37:58,635 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [159 Valid, 323 Invalid, 416 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 367 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-18 15:37:58,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 951 states. [2022-02-18 15:37:58,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 951 to 906. [2022-02-18 15:37:58,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 906 states, 901 states have (on average 1.8035516093229744) internal successors, (1625), 905 states have internal predecessors, (1625), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:58,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 906 states to 906 states and 1625 transitions. [2022-02-18 15:37:58,643 INFO L78 Accepts]: Start accepts. Automaton has 906 states and 1625 transitions. Word has length 112 [2022-02-18 15:37:58,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:37:58,643 INFO L470 AbstractCegarLoop]: Abstraction has 906 states and 1625 transitions. [2022-02-18 15:37:58,643 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:58,643 INFO L276 IsEmpty]: Start isEmpty. Operand 906 states and 1625 transitions. [2022-02-18 15:37:58,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-02-18 15:37:58,644 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:37:58,644 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:37:58,644 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable143 [2022-02-18 15:37:58,644 INFO L402 AbstractCegarLoop]: === Iteration 145 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:37:58,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:37:58,644 INFO L85 PathProgramCache]: Analyzing trace with hash -682618386, now seen corresponding path program 13 times [2022-02-18 15:37:58,644 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:37:58,644 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [597190625] [2022-02-18 15:37:58,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:37:58,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:37:58,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:37:59,046 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:37:59,046 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:37:59,046 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [597190625] [2022-02-18 15:37:59,046 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [597190625] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:37:59,046 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:37:59,046 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:37:59,046 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [196674848] [2022-02-18 15:37:59,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:37:59,046 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:37:59,046 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:37:59,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:37:59,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:37:59,047 INFO L87 Difference]: Start difference. First operand 906 states and 1625 transitions. Second operand has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:59,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:37:59,569 INFO L93 Difference]: Finished difference Result 963 states and 1723 transitions. [2022-02-18 15:37:59,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-18 15:37:59,569 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-02-18 15:37:59,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:37:59,570 INFO L225 Difference]: With dead ends: 963 [2022-02-18 15:37:59,570 INFO L226 Difference]: Without dead ends: 963 [2022-02-18 15:37:59,570 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=74, Invalid=108, Unknown=0, NotChecked=0, Total=182 [2022-02-18 15:37:59,571 INFO L933 BasicCegarLoop]: 99 mSDtfsCounter, 133 mSDsluCounter, 344 mSDsCounter, 0 mSdLazyCounter, 497 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 443 SdHoareTripleChecker+Invalid, 537 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 497 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-18 15:37:59,571 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [133 Valid, 443 Invalid, 537 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 497 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-18 15:37:59,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 963 states. [2022-02-18 15:37:59,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 963 to 906. [2022-02-18 15:37:59,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 906 states, 901 states have (on average 1.8035516093229744) internal successors, (1625), 905 states have internal predecessors, (1625), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:59,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 906 states to 906 states and 1625 transitions. [2022-02-18 15:37:59,578 INFO L78 Accepts]: Start accepts. Automaton has 906 states and 1625 transitions. Word has length 112 [2022-02-18 15:37:59,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:37:59,578 INFO L470 AbstractCegarLoop]: Abstraction has 906 states and 1625 transitions. [2022-02-18 15:37:59,578 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:37:59,578 INFO L276 IsEmpty]: Start isEmpty. Operand 906 states and 1625 transitions. [2022-02-18 15:37:59,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-02-18 15:37:59,579 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:37:59,579 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:37:59,583 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable144 [2022-02-18 15:37:59,583 INFO L402 AbstractCegarLoop]: === Iteration 146 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:37:59,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:37:59,584 INFO L85 PathProgramCache]: Analyzing trace with hash -160517464, now seen corresponding path program 14 times [2022-02-18 15:37:59,584 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:37:59,584 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [175566942] [2022-02-18 15:37:59,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:37:59,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:37:59,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:37:59,862 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:37:59,862 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:37:59,862 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [175566942] [2022-02-18 15:37:59,863 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [175566942] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:37:59,863 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:37:59,863 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:37:59,863 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1373707613] [2022-02-18 15:37:59,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:37:59,863 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:37:59,863 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:37:59,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:37:59,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=53, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:37:59,863 INFO L87 Difference]: Start difference. First operand 906 states and 1625 transitions. Second operand has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:38:00,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:38:00,291 INFO L93 Difference]: Finished difference Result 950 states and 1703 transitions. [2022-02-18 15:38:00,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-18 15:38:00,291 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-02-18 15:38:00,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:38:00,292 INFO L225 Difference]: With dead ends: 950 [2022-02-18 15:38:00,292 INFO L226 Difference]: Without dead ends: 950 [2022-02-18 15:38:00,292 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=64, Invalid=92, Unknown=0, NotChecked=0, Total=156 [2022-02-18 15:38:00,292 INFO L933 BasicCegarLoop]: 95 mSDtfsCounter, 124 mSDsluCounter, 327 mSDsCounter, 0 mSdLazyCounter, 452 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 422 SdHoareTripleChecker+Invalid, 489 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 452 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-18 15:38:00,293 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [124 Valid, 422 Invalid, 489 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 452 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-18 15:38:00,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 950 states. [2022-02-18 15:38:00,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 950 to 881. [2022-02-18 15:38:00,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 881 states, 876 states have (on average 1.8047945205479452) internal successors, (1581), 880 states have internal predecessors, (1581), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:38:00,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 881 states to 881 states and 1581 transitions. [2022-02-18 15:38:00,299 INFO L78 Accepts]: Start accepts. Automaton has 881 states and 1581 transitions. Word has length 112 [2022-02-18 15:38:00,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:38:00,300 INFO L470 AbstractCegarLoop]: Abstraction has 881 states and 1581 transitions. [2022-02-18 15:38:00,300 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:38:00,300 INFO L276 IsEmpty]: Start isEmpty. Operand 881 states and 1581 transitions. [2022-02-18 15:38:00,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-18 15:38:00,300 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:38:00,300 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:38:00,300 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable145 [2022-02-18 15:38:00,300 INFO L402 AbstractCegarLoop]: === Iteration 147 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:38:00,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:38:00,301 INFO L85 PathProgramCache]: Analyzing trace with hash -1948558631, now seen corresponding path program 1 times [2022-02-18 15:38:00,301 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:38:00,301 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929809393] [2022-02-18 15:38:00,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:38:00,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:38:00,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:38:00,884 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:38:00,884 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:38:00,884 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1929809393] [2022-02-18 15:38:00,884 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1929809393] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:38:00,884 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:38:00,884 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-02-18 15:38:00,884 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31844441] [2022-02-18 15:38:00,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:38:00,885 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-02-18 15:38:00,885 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:38:00,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-02-18 15:38:00,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=284, Unknown=0, NotChecked=0, Total=342 [2022-02-18 15:38:00,885 INFO L87 Difference]: Start difference. First operand 881 states and 1581 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) [2022-02-18 15:38:01,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:38:01,744 INFO L93 Difference]: Finished difference Result 951 states and 1686 transitions. [2022-02-18 15:38:01,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-18 15:38:01,744 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 [2022-02-18 15:38:01,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:38:01,745 INFO L225 Difference]: With dead ends: 951 [2022-02-18 15:38:01,745 INFO L226 Difference]: Without dead ends: 917 [2022-02-18 15:38:01,746 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 228 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=226, Invalid=896, Unknown=0, NotChecked=0, Total=1122 [2022-02-18 15:38:01,746 INFO L933 BasicCegarLoop]: 194 mSDtfsCounter, 532 mSDsluCounter, 1065 mSDsCounter, 0 mSdLazyCounter, 820 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 532 SdHoareTripleChecker+Valid, 1254 SdHoareTripleChecker+Invalid, 886 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 820 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-18 15:38:01,746 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [532 Valid, 1254 Invalid, 886 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 820 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-18 15:38:01,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 917 states. [2022-02-18 15:38:01,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 917 to 870. [2022-02-18 15:38:01,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 870 states, 865 states have (on average 1.8023121387283236) internal successors, (1559), 869 states have internal predecessors, (1559), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:38:01,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 870 states to 870 states and 1559 transitions. [2022-02-18 15:38:01,753 INFO L78 Accepts]: Start accepts. Automaton has 870 states and 1559 transitions. Word has length 113 [2022-02-18 15:38:01,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:38:01,754 INFO L470 AbstractCegarLoop]: Abstraction has 870 states and 1559 transitions. [2022-02-18 15:38:01,754 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) [2022-02-18 15:38:01,754 INFO L276 IsEmpty]: Start isEmpty. Operand 870 states and 1559 transitions. [2022-02-18 15:38:01,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-18 15:38:01,754 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:38:01,754 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:38:01,754 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable146 [2022-02-18 15:38:01,755 INFO L402 AbstractCegarLoop]: === Iteration 148 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:38:01,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:38:01,755 INFO L85 PathProgramCache]: Analyzing trace with hash 754802339, now seen corresponding path program 2 times [2022-02-18 15:38:01,755 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:38:01,755 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2046542933] [2022-02-18 15:38:01,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:38:01,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:38:01,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:38:02,102 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:38:02,102 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:38:02,102 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2046542933] [2022-02-18 15:38:02,102 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2046542933] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:38:02,102 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:38:02,102 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:38:02,103 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1927369870] [2022-02-18 15:38:02,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:38:02,103 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:38:02,103 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:38:02,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:38:02,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:38:02,103 INFO L87 Difference]: Start difference. First operand 870 states and 1559 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) [2022-02-18 15:38:02,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:38:02,821 INFO L93 Difference]: Finished difference Result 1109 states and 1961 transitions. [2022-02-18 15:38:02,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-18 15:38:02,821 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 [2022-02-18 15:38:02,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:38:02,822 INFO L225 Difference]: With dead ends: 1109 [2022-02-18 15:38:02,822 INFO L226 Difference]: Without dead ends: 1086 [2022-02-18 15:38:02,822 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=117, Invalid=225, Unknown=0, NotChecked=0, Total=342 [2022-02-18 15:38:02,823 INFO L933 BasicCegarLoop]: 160 mSDtfsCounter, 221 mSDsluCounter, 430 mSDsCounter, 0 mSdLazyCounter, 486 mSolverCounterSat, 118 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 221 SdHoareTripleChecker+Valid, 587 SdHoareTripleChecker+Invalid, 604 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 118 IncrementalHoareTripleChecker+Valid, 486 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-18 15:38:02,823 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [221 Valid, 587 Invalid, 604 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [118 Valid, 486 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-18 15:38:02,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1086 states. [2022-02-18 15:38:02,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1086 to 871. [2022-02-18 15:38:02,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 871 states, 866 states have (on average 1.8013856812933025) internal successors, (1560), 870 states have internal predecessors, (1560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:38:02,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 871 states to 871 states and 1560 transitions. [2022-02-18 15:38:02,830 INFO L78 Accepts]: Start accepts. Automaton has 871 states and 1560 transitions. Word has length 113 [2022-02-18 15:38:02,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:38:02,830 INFO L470 AbstractCegarLoop]: Abstraction has 871 states and 1560 transitions. [2022-02-18 15:38:02,830 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) [2022-02-18 15:38:02,830 INFO L276 IsEmpty]: Start isEmpty. Operand 871 states and 1560 transitions. [2022-02-18 15:38:02,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-18 15:38:02,840 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:38:02,840 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:38:02,840 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable147 [2022-02-18 15:38:02,840 INFO L402 AbstractCegarLoop]: === Iteration 149 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:38:02,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:38:02,840 INFO L85 PathProgramCache]: Analyzing trace with hash 1690865031, now seen corresponding path program 3 times [2022-02-18 15:38:02,840 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:38:02,840 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1824040091] [2022-02-18 15:38:02,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:38:02,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:38:02,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:38:03,357 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:38:03,357 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:38:03,357 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1824040091] [2022-02-18 15:38:03,357 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1824040091] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:38:03,357 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:38:03,357 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-18 15:38:03,357 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1830947848] [2022-02-18 15:38:03,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:38:03,357 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-18 15:38:03,357 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:38:03,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-18 15:38:03,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2022-02-18 15:38:03,358 INFO L87 Difference]: Start difference. First operand 871 states and 1560 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) [2022-02-18 15:38:03,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:38:03,932 INFO L93 Difference]: Finished difference Result 1018 states and 1815 transitions. [2022-02-18 15:38:03,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-18 15:38:03,932 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 [2022-02-18 15:38:03,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:38:03,933 INFO L225 Difference]: With dead ends: 1018 [2022-02-18 15:38:03,933 INFO L226 Difference]: Without dead ends: 989 [2022-02-18 15:38:03,934 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=71, Invalid=139, Unknown=0, NotChecked=0, Total=210 [2022-02-18 15:38:03,934 INFO L933 BasicCegarLoop]: 159 mSDtfsCounter, 200 mSDsluCounter, 586 mSDsCounter, 0 mSdLazyCounter, 589 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 200 SdHoareTripleChecker+Valid, 742 SdHoareTripleChecker+Invalid, 650 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 589 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-18 15:38:03,934 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [200 Valid, 742 Invalid, 650 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 589 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-18 15:38:03,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 989 states. [2022-02-18 15:38:03,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 989 to 892. [2022-02-18 15:38:03,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 892 states, 887 states have (on average 1.7981961668545658) internal successors, (1595), 891 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) [2022-02-18 15:38:03,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 892 states to 892 states and 1595 transitions. [2022-02-18 15:38:03,941 INFO L78 Accepts]: Start accepts. Automaton has 892 states and 1595 transitions. Word has length 113 [2022-02-18 15:38:03,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:38:03,941 INFO L470 AbstractCegarLoop]: Abstraction has 892 states and 1595 transitions. [2022-02-18 15:38:03,941 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) [2022-02-18 15:38:03,941 INFO L276 IsEmpty]: Start isEmpty. Operand 892 states and 1595 transitions. [2022-02-18 15:38:03,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-18 15:38:03,942 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:38:03,942 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:38:03,942 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable148 [2022-02-18 15:38:03,942 INFO L402 AbstractCegarLoop]: === Iteration 150 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:38:03,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:38:03,942 INFO L85 PathProgramCache]: Analyzing trace with hash 1232319187, now seen corresponding path program 1 times [2022-02-18 15:38:03,942 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:38:03,943 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [306116032] [2022-02-18 15:38:03,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:38:03,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:38:03,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:38:04,151 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:38:04,151 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:38:04,151 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [306116032] [2022-02-18 15:38:04,151 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [306116032] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:38:04,152 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:38:04,152 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:38:04,152 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [754098648] [2022-02-18 15:38:04,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:38:04,152 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:38:04,152 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:38:04,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:38:04,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:38:04,152 INFO L87 Difference]: Start difference. First operand 892 states and 1595 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) [2022-02-18 15:38:04,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:38:04,639 INFO L93 Difference]: Finished difference Result 1601 states and 2853 transitions. [2022-02-18 15:38:04,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-02-18 15:38:04,639 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 [2022-02-18 15:38:04,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:38:04,641 INFO L225 Difference]: With dead ends: 1601 [2022-02-18 15:38:04,641 INFO L226 Difference]: Without dead ends: 1553 [2022-02-18 15:38:04,641 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2022-02-18 15:38:04,641 INFO L933 BasicCegarLoop]: 136 mSDtfsCounter, 249 mSDsluCounter, 449 mSDsCounter, 0 mSdLazyCounter, 536 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 249 SdHoareTripleChecker+Valid, 584 SdHoareTripleChecker+Invalid, 614 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 536 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-18 15:38:04,642 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [249 Valid, 584 Invalid, 614 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 536 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-18 15:38:04,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1553 states. [2022-02-18 15:38:04,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1553 to 960. [2022-02-18 15:38:04,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 960 states, 955 states have (on average 1.8083769633507853) internal successors, (1727), 959 states have internal predecessors, (1727), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:38:04,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 960 states to 960 states and 1727 transitions. [2022-02-18 15:38:04,652 INFO L78 Accepts]: Start accepts. Automaton has 960 states and 1727 transitions. Word has length 113 [2022-02-18 15:38:04,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:38:04,652 INFO L470 AbstractCegarLoop]: Abstraction has 960 states and 1727 transitions. [2022-02-18 15:38:04,652 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) [2022-02-18 15:38:04,652 INFO L276 IsEmpty]: Start isEmpty. Operand 960 states and 1727 transitions. [2022-02-18 15:38:04,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-18 15:38:04,652 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:38:04,653 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:38:04,653 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable149 [2022-02-18 15:38:04,653 INFO L402 AbstractCegarLoop]: === Iteration 151 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:38:04,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:38:04,653 INFO L85 PathProgramCache]: Analyzing trace with hash -1365135325, now seen corresponding path program 4 times [2022-02-18 15:38:04,653 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:38:04,653 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [32342196] [2022-02-18 15:38:04,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:38:04,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:38:04,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:38:05,070 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:38:05,070 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:38:05,070 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [32342196] [2022-02-18 15:38:05,070 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [32342196] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:38:05,070 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:38:05,070 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-18 15:38:05,070 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [537379029] [2022-02-18 15:38:05,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:38:05,070 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-18 15:38:05,070 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:38:05,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-18 15:38:05,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2022-02-18 15:38:05,071 INFO L87 Difference]: Start difference. First operand 960 states and 1727 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) [2022-02-18 15:38:06,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:38:06,017 INFO L93 Difference]: Finished difference Result 1181 states and 2103 transitions. [2022-02-18 15:38:06,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-18 15:38:06,018 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 [2022-02-18 15:38:06,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:38:06,019 INFO L225 Difference]: With dead ends: 1181 [2022-02-18 15:38:06,019 INFO L226 Difference]: Without dead ends: 1158 [2022-02-18 15:38:06,019 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=138, Invalid=282, Unknown=0, NotChecked=0, Total=420 [2022-02-18 15:38:06,019 INFO L933 BasicCegarLoop]: 154 mSDtfsCounter, 190 mSDsluCounter, 597 mSDsCounter, 0 mSdLazyCounter, 738 mSolverCounterSat, 110 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 190 SdHoareTripleChecker+Valid, 748 SdHoareTripleChecker+Invalid, 848 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 110 IncrementalHoareTripleChecker+Valid, 738 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-18 15:38:06,019 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [190 Valid, 748 Invalid, 848 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [110 Valid, 738 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-18 15:38:06,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1158 states. [2022-02-18 15:38:06,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1158 to 962. [2022-02-18 15:38:06,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 962 states, 957 states have (on average 1.8077324973876698) internal successors, (1730), 961 states have internal predecessors, (1730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:38:06,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 962 states to 962 states and 1730 transitions. [2022-02-18 15:38:06,027 INFO L78 Accepts]: Start accepts. Automaton has 962 states and 1730 transitions. Word has length 113 [2022-02-18 15:38:06,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:38:06,027 INFO L470 AbstractCegarLoop]: Abstraction has 962 states and 1730 transitions. [2022-02-18 15:38:06,027 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) [2022-02-18 15:38:06,027 INFO L276 IsEmpty]: Start isEmpty. Operand 962 states and 1730 transitions. [2022-02-18 15:38:06,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-18 15:38:06,028 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:38:06,028 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:38:06,028 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable150 [2022-02-18 15:38:06,028 INFO L402 AbstractCegarLoop]: === Iteration 152 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:38:06,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:38:06,028 INFO L85 PathProgramCache]: Analyzing trace with hash -429072633, now seen corresponding path program 5 times [2022-02-18 15:38:06,028 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:38:06,028 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657267927] [2022-02-18 15:38:06,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:38:06,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:38:06,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:38:06,589 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:38:06,589 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:38:06,589 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [657267927] [2022-02-18 15:38:06,589 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [657267927] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:38:06,589 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:38:06,590 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-02-18 15:38:06,590 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1096198348] [2022-02-18 15:38:06,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:38:06,590 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-02-18 15:38:06,590 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:38:06,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-02-18 15:38:06,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=287, Unknown=0, NotChecked=0, Total=342 [2022-02-18 15:38:06,590 INFO L87 Difference]: Start difference. First operand 962 states and 1730 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) [2022-02-18 15:38:07,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:38:07,705 INFO L93 Difference]: Finished difference Result 1115 states and 1988 transitions. [2022-02-18 15:38:07,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-18 15:38:07,705 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 [2022-02-18 15:38:07,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:38:07,707 INFO L225 Difference]: With dead ends: 1115 [2022-02-18 15:38:07,707 INFO L226 Difference]: Without dead ends: 1086 [2022-02-18 15:38:07,707 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 330 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=296, Invalid=1186, Unknown=0, NotChecked=0, Total=1482 [2022-02-18 15:38:07,707 INFO L933 BasicCegarLoop]: 186 mSDtfsCounter, 579 mSDsluCounter, 1183 mSDsCounter, 0 mSdLazyCounter, 1101 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 579 SdHoareTripleChecker+Valid, 1365 SdHoareTripleChecker+Invalid, 1201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 1101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-02-18 15:38:07,707 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [579 Valid, 1365 Invalid, 1201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 1101 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-02-18 15:38:07,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1086 states. [2022-02-18 15:38:07,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1086 to 961. [2022-02-18 15:38:07,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 961 states, 956 states have (on average 1.8085774058577406) internal successors, (1729), 960 states have internal predecessors, (1729), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:38:07,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 961 states to 961 states and 1729 transitions. [2022-02-18 15:38:07,726 INFO L78 Accepts]: Start accepts. Automaton has 961 states and 1729 transitions. Word has length 113 [2022-02-18 15:38:07,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:38:07,726 INFO L470 AbstractCegarLoop]: Abstraction has 961 states and 1729 transitions. [2022-02-18 15:38:07,726 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) [2022-02-18 15:38:07,726 INFO L276 IsEmpty]: Start isEmpty. Operand 961 states and 1729 transitions. [2022-02-18 15:38:07,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-18 15:38:07,726 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:38:07,727 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] [2022-02-18 15:38:07,727 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable151 [2022-02-18 15:38:07,727 INFO L402 AbstractCegarLoop]: === Iteration 153 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:38:07,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:38:07,727 INFO L85 PathProgramCache]: Analyzing trace with hash -2005878503, now seen corresponding path program 6 times [2022-02-18 15:38:07,727 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:38:07,728 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1854021791] [2022-02-18 15:38:07,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:38:07,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:38:07,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:38:08,220 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:38:08,220 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:38:08,220 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1854021791] [2022-02-18 15:38:08,220 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1854021791] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:38:08,220 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:38:08,220 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-18 15:38:08,220 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2013872262] [2022-02-18 15:38:08,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:38:08,220 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-18 15:38:08,220 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:38:08,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-18 15:38:08,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2022-02-18 15:38:08,221 INFO L87 Difference]: Start difference. First operand 961 states and 1729 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) [2022-02-18 15:38:08,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:38:08,779 INFO L93 Difference]: Finished difference Result 1125 states and 2015 transitions. [2022-02-18 15:38:08,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-18 15:38:08,779 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 [2022-02-18 15:38:08,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:38:08,780 INFO L225 Difference]: With dead ends: 1125 [2022-02-18 15:38:08,780 INFO L226 Difference]: Without dead ends: 1089 [2022-02-18 15:38:08,781 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=80, Invalid=160, Unknown=0, NotChecked=0, Total=240 [2022-02-18 15:38:08,781 INFO L933 BasicCegarLoop]: 155 mSDtfsCounter, 155 mSDsluCounter, 706 mSDsCounter, 0 mSdLazyCounter, 709 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 857 SdHoareTripleChecker+Invalid, 768 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 709 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-18 15:38:08,781 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [155 Valid, 857 Invalid, 768 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 709 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-18 15:38:08,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1089 states. [2022-02-18 15:38:08,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1089 to 977. [2022-02-18 15:38:08,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 977 states, 972 states have (on average 1.8117283950617284) internal successors, (1761), 976 states have internal predecessors, (1761), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:38:08,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 977 states and 1761 transitions. [2022-02-18 15:38:08,789 INFO L78 Accepts]: Start accepts. Automaton has 977 states and 1761 transitions. Word has length 113 [2022-02-18 15:38:08,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:38:08,789 INFO L470 AbstractCegarLoop]: Abstraction has 977 states and 1761 transitions. [2022-02-18 15:38:08,789 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) [2022-02-18 15:38:08,789 INFO L276 IsEmpty]: Start isEmpty. Operand 977 states and 1761 transitions. [2022-02-18 15:38:08,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-18 15:38:08,790 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:38:08,790 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] [2022-02-18 15:38:08,790 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable152 [2022-02-18 15:38:08,790 INFO L402 AbstractCegarLoop]: === Iteration 154 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:38:08,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:38:08,790 INFO L85 PathProgramCache]: Analyzing trace with hash 1198664255, now seen corresponding path program 2 times [2022-02-18 15:38:08,790 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:38:08,790 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1236394487] [2022-02-18 15:38:08,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:38:08,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:38:08,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:38:09,137 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:38:09,137 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:38:09,137 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1236394487] [2022-02-18 15:38:09,137 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1236394487] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:38:09,137 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:38:09,137 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-02-18 15:38:09,137 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1832641787] [2022-02-18 15:38:09,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:38:09,137 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-02-18 15:38:09,138 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:38:09,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-02-18 15:38:09,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2022-02-18 15:38:09,138 INFO L87 Difference]: Start difference. First operand 977 states and 1761 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) [2022-02-18 15:38:11,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:38:11,473 INFO L93 Difference]: Finished difference Result 1617 states and 2886 transitions. [2022-02-18 15:38:11,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-02-18 15:38:11,473 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 [2022-02-18 15:38:11,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:38:11,475 INFO L225 Difference]: With dead ends: 1617 [2022-02-18 15:38:11,475 INFO L226 Difference]: Without dead ends: 1583 [2022-02-18 15:38:11,476 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1461 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=1264, Invalid=3848, Unknown=0, NotChecked=0, Total=5112 [2022-02-18 15:38:11,476 INFO L933 BasicCegarLoop]: 147 mSDtfsCounter, 1005 mSDsluCounter, 922 mSDsCounter, 0 mSdLazyCounter, 1177 mSolverCounterSat, 250 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1005 SdHoareTripleChecker+Valid, 1068 SdHoareTripleChecker+Invalid, 1427 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 250 IncrementalHoareTripleChecker+Valid, 1177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-02-18 15:38:11,476 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1005 Valid, 1068 Invalid, 1427 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [250 Valid, 1177 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-02-18 15:38:11,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1583 states. [2022-02-18 15:38:11,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1583 to 984. [2022-02-18 15:38:11,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 984 states, 979 states have (on average 1.8130745658835548) internal successors, (1775), 983 states have internal predecessors, (1775), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:38:11,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 984 states to 984 states and 1775 transitions. [2022-02-18 15:38:11,484 INFO L78 Accepts]: Start accepts. Automaton has 984 states and 1775 transitions. Word has length 113 [2022-02-18 15:38:11,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:38:11,484 INFO L470 AbstractCegarLoop]: Abstraction has 984 states and 1775 transitions. [2022-02-18 15:38:11,484 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) [2022-02-18 15:38:11,485 INFO L276 IsEmpty]: Start isEmpty. Operand 984 states and 1775 transitions. [2022-02-18 15:38:11,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-18 15:38:11,485 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:38:11,485 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] [2022-02-18 15:38:11,485 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable153 [2022-02-18 15:38:11,485 INFO L402 AbstractCegarLoop]: === Iteration 155 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:38:11,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:38:11,486 INFO L85 PathProgramCache]: Analyzing trace with hash -970958959, now seen corresponding path program 7 times [2022-02-18 15:38:11,486 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:38:11,486 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [854684884] [2022-02-18 15:38:11,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:38:11,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:38:11,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:38:11,876 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:38:11,876 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:38:11,876 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [854684884] [2022-02-18 15:38:11,876 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [854684884] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:38:11,876 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:38:11,876 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:38:11,876 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2146862314] [2022-02-18 15:38:11,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:38:11,877 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:38:11,877 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:38:11,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:38:11,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:38:11,877 INFO L87 Difference]: Start difference. First operand 984 states and 1775 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) [2022-02-18 15:38:12,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:38:12,765 INFO L93 Difference]: Finished difference Result 1219 states and 2181 transitions. [2022-02-18 15:38:12,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-18 15:38:12,765 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 [2022-02-18 15:38:12,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:38:12,766 INFO L225 Difference]: With dead ends: 1219 [2022-02-18 15:38:12,766 INFO L226 Difference]: Without dead ends: 1196 [2022-02-18 15:38:12,766 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=142, Invalid=278, Unknown=0, NotChecked=0, Total=420 [2022-02-18 15:38:12,767 INFO L933 BasicCegarLoop]: 141 mSDtfsCounter, 166 mSDsluCounter, 523 mSDsCounter, 0 mSdLazyCounter, 648 mSolverCounterSat, 98 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 661 SdHoareTripleChecker+Invalid, 746 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 648 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-18 15:38:12,767 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [166 Valid, 661 Invalid, 746 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [98 Valid, 648 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-18 15:38:12,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1196 states. [2022-02-18 15:38:12,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1196 to 987. [2022-02-18 15:38:12,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 987 states, 982 states have (on average 1.8126272912423624) internal successors, (1780), 986 states have internal predecessors, (1780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:38:12,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 987 states to 987 states and 1780 transitions. [2022-02-18 15:38:12,775 INFO L78 Accepts]: Start accepts. Automaton has 987 states and 1780 transitions. Word has length 113 [2022-02-18 15:38:12,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:38:12,775 INFO L470 AbstractCegarLoop]: Abstraction has 987 states and 1780 transitions. [2022-02-18 15:38:12,775 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) [2022-02-18 15:38:12,775 INFO L276 IsEmpty]: Start isEmpty. Operand 987 states and 1780 transitions. [2022-02-18 15:38:12,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-18 15:38:12,776 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:38:12,776 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:38:12,776 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable154 [2022-02-18 15:38:12,776 INFO L402 AbstractCegarLoop]: === Iteration 156 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:38:12,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:38:12,776 INFO L85 PathProgramCache]: Analyzing trace with hash -34896267, now seen corresponding path program 8 times [2022-02-18 15:38:12,776 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:38:12,776 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1472443212] [2022-02-18 15:38:12,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:38:12,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:38:12,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:38:13,545 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:38:13,545 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:38:13,545 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1472443212] [2022-02-18 15:38:13,545 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1472443212] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:38:13,545 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:38:13,545 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-02-18 15:38:13,545 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [973818022] [2022-02-18 15:38:13,545 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:38:13,545 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-02-18 15:38:13,545 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:38:13,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-02-18 15:38:13,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=285, Unknown=0, NotChecked=0, Total=342 [2022-02-18 15:38:13,546 INFO L87 Difference]: Start difference. First operand 987 states and 1780 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) [2022-02-18 15:38:14,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:38:14,789 INFO L93 Difference]: Finished difference Result 1151 states and 2060 transitions. [2022-02-18 15:38:14,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-02-18 15:38:14,789 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 [2022-02-18 15:38:14,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:38:14,790 INFO L225 Difference]: With dead ends: 1151 [2022-02-18 15:38:14,791 INFO L226 Difference]: Without dead ends: 1122 [2022-02-18 15:38:14,791 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 353 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=317, Invalid=1243, Unknown=0, NotChecked=0, Total=1560 [2022-02-18 15:38:14,791 INFO L933 BasicCegarLoop]: 176 mSDtfsCounter, 551 mSDsluCounter, 1285 mSDsCounter, 0 mSdLazyCounter, 1225 mSolverCounterSat, 103 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 551 SdHoareTripleChecker+Valid, 1455 SdHoareTripleChecker+Invalid, 1328 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 103 IncrementalHoareTripleChecker+Valid, 1225 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-02-18 15:38:14,791 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [551 Valid, 1455 Invalid, 1328 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [103 Valid, 1225 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-02-18 15:38:14,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1122 states. [2022-02-18 15:38:14,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1122 to 986. [2022-02-18 15:38:14,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 986 states, 981 states have (on average 1.8134556574923548) internal successors, (1779), 985 states have internal predecessors, (1779), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:38:14,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 986 states to 986 states and 1779 transitions. [2022-02-18 15:38:14,801 INFO L78 Accepts]: Start accepts. Automaton has 986 states and 1779 transitions. Word has length 113 [2022-02-18 15:38:14,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:38:14,801 INFO L470 AbstractCegarLoop]: Abstraction has 986 states and 1779 transitions. [2022-02-18 15:38:14,801 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) [2022-02-18 15:38:14,801 INFO L276 IsEmpty]: Start isEmpty. Operand 986 states and 1779 transitions. [2022-02-18 15:38:14,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-18 15:38:14,802 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:38:14,802 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] [2022-02-18 15:38:14,802 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable155 [2022-02-18 15:38:14,802 INFO L402 AbstractCegarLoop]: === Iteration 157 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:38:14,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:38:14,802 INFO L85 PathProgramCache]: Analyzing trace with hash -1611702137, now seen corresponding path program 9 times [2022-02-18 15:38:14,802 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:38:14,802 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378387783] [2022-02-18 15:38:14,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:38:14,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:38:14,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:38:15,194 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:38:15,194 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:38:15,194 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1378387783] [2022-02-18 15:38:15,194 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1378387783] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:38:15,194 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:38:15,194 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:38:15,194 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107196583] [2022-02-18 15:38:15,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:38:15,195 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:38:15,195 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:38:15,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:38:15,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:38:15,195 INFO L87 Difference]: Start difference. First operand 986 states and 1779 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) [2022-02-18 15:38:15,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:38:15,791 INFO L93 Difference]: Finished difference Result 1302 states and 2329 transitions. [2022-02-18 15:38:15,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-18 15:38:15,791 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 [2022-02-18 15:38:15,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:38:15,792 INFO L225 Difference]: With dead ends: 1302 [2022-02-18 15:38:15,792 INFO L226 Difference]: Without dead ends: 1266 [2022-02-18 15:38:15,792 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=113, Invalid=229, Unknown=0, NotChecked=0, Total=342 [2022-02-18 15:38:15,793 INFO L933 BasicCegarLoop]: 148 mSDtfsCounter, 171 mSDsluCounter, 316 mSDsCounter, 0 mSdLazyCounter, 473 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 462 SdHoareTripleChecker+Invalid, 572 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 473 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-18 15:38:15,793 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [171 Valid, 462 Invalid, 572 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 473 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-18 15:38:15,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1266 states. [2022-02-18 15:38:15,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1266 to 985. [2022-02-18 15:38:15,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 985 states, 980 states have (on average 1.813265306122449) internal successors, (1777), 984 states have internal predecessors, (1777), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:38:15,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 985 states to 985 states and 1777 transitions. [2022-02-18 15:38:15,802 INFO L78 Accepts]: Start accepts. Automaton has 985 states and 1777 transitions. Word has length 113 [2022-02-18 15:38:15,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:38:15,802 INFO L470 AbstractCegarLoop]: Abstraction has 985 states and 1777 transitions. [2022-02-18 15:38:15,802 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) [2022-02-18 15:38:15,802 INFO L276 IsEmpty]: Start isEmpty. Operand 985 states and 1777 transitions. [2022-02-18 15:38:15,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-18 15:38:15,803 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:38:15,803 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:38:15,803 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable156 [2022-02-18 15:38:15,803 INFO L402 AbstractCegarLoop]: === Iteration 158 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:38:15,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:38:15,803 INFO L85 PathProgramCache]: Analyzing trace with hash -634913465, now seen corresponding path program 10 times [2022-02-18 15:38:15,803 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:38:15,803 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1815950] [2022-02-18 15:38:15,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:38:15,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:38:15,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:38:16,380 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:38:16,380 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:38:16,381 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1815950] [2022-02-18 15:38:16,381 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1815950] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:38:16,381 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:38:16,381 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-18 15:38:16,381 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542151906] [2022-02-18 15:38:16,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:38:16,381 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-18 15:38:16,381 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:38:16,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-18 15:38:16,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2022-02-18 15:38:16,381 INFO L87 Difference]: Start difference. First operand 985 states and 1777 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) [2022-02-18 15:38:16,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:38:16,986 INFO L93 Difference]: Finished difference Result 1174 states and 2111 transitions. [2022-02-18 15:38:16,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-18 15:38:16,987 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 [2022-02-18 15:38:16,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:38:16,988 INFO L225 Difference]: With dead ends: 1174 [2022-02-18 15:38:16,988 INFO L226 Difference]: Without dead ends: 1131 [2022-02-18 15:38:16,988 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=91, Invalid=181, Unknown=0, NotChecked=0, Total=272 [2022-02-18 15:38:16,988 INFO L933 BasicCegarLoop]: 142 mSDtfsCounter, 149 mSDsluCounter, 565 mSDsCounter, 0 mSdLazyCounter, 608 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 704 SdHoareTripleChecker+Invalid, 683 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 608 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-18 15:38:16,988 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [149 Valid, 704 Invalid, 683 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 608 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-18 15:38:16,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1131 states. [2022-02-18 15:38:16,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1131 to 1002. [2022-02-18 15:38:16,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1002 states, 997 states have (on average 1.8164493480441324) internal successors, (1811), 1001 states have internal predecessors, (1811), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:38:16,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1002 states to 1002 states and 1811 transitions. [2022-02-18 15:38:16,997 INFO L78 Accepts]: Start accepts. Automaton has 1002 states and 1811 transitions. Word has length 113 [2022-02-18 15:38:16,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:38:16,997 INFO L470 AbstractCegarLoop]: Abstraction has 1002 states and 1811 transitions. [2022-02-18 15:38:16,997 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) [2022-02-18 15:38:16,997 INFO L276 IsEmpty]: Start isEmpty. Operand 1002 states and 1811 transitions. [2022-02-18 15:38:16,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-18 15:38:16,998 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:38:16,998 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:38:16,998 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable157 [2022-02-18 15:38:16,998 INFO L402 AbstractCegarLoop]: === Iteration 159 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:38:16,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:38:16,998 INFO L85 PathProgramCache]: Analyzing trace with hash 1537062035, now seen corresponding path program 3 times [2022-02-18 15:38:16,998 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:38:16,999 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1899063247] [2022-02-18 15:38:16,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:38:16,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:38:17,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:38:17,461 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:38:17,461 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:38:17,461 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1899063247] [2022-02-18 15:38:17,461 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1899063247] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:38:17,461 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:38:17,461 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-02-18 15:38:17,461 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [330413173] [2022-02-18 15:38:17,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:38:17,461 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-02-18 15:38:17,461 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:38:17,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-02-18 15:38:17,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2022-02-18 15:38:17,462 INFO L87 Difference]: Start difference. First operand 1002 states and 1811 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) [2022-02-18 15:38:19,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:38:19,824 INFO L93 Difference]: Finished difference Result 1542 states and 2759 transitions. [2022-02-18 15:38:19,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-02-18 15:38:19,825 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 [2022-02-18 15:38:19,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:38:19,826 INFO L225 Difference]: With dead ends: 1542 [2022-02-18 15:38:19,827 INFO L226 Difference]: Without dead ends: 1519 [2022-02-18 15:38:19,827 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1330 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=1204, Invalid=3626, Unknown=0, NotChecked=0, Total=4830 [2022-02-18 15:38:19,827 INFO L933 BasicCegarLoop]: 138 mSDtfsCounter, 1056 mSDsluCounter, 701 mSDsCounter, 0 mSdLazyCounter, 897 mSolverCounterSat, 232 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1056 SdHoareTripleChecker+Valid, 837 SdHoareTripleChecker+Invalid, 1129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 232 IncrementalHoareTripleChecker+Valid, 897 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-02-18 15:38:19,828 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1056 Valid, 837 Invalid, 1129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [232 Valid, 897 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-02-18 15:38:19,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1519 states. [2022-02-18 15:38:19,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1519 to 1007. [2022-02-18 15:38:19,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1007 states, 1002 states have (on average 1.8173652694610778) internal successors, (1821), 1006 states have internal predecessors, (1821), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:38:19,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1007 states to 1007 states and 1821 transitions. [2022-02-18 15:38:19,838 INFO L78 Accepts]: Start accepts. Automaton has 1007 states and 1821 transitions. Word has length 113 [2022-02-18 15:38:19,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:38:19,838 INFO L470 AbstractCegarLoop]: Abstraction has 1007 states and 1821 transitions. [2022-02-18 15:38:19,838 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) [2022-02-18 15:38:19,838 INFO L276 IsEmpty]: Start isEmpty. Operand 1007 states and 1821 transitions. [2022-02-18 15:38:19,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-18 15:38:19,839 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:38:19,839 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:38:19,839 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable158 [2022-02-18 15:38:19,840 INFO L402 AbstractCegarLoop]: === Iteration 160 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:38:19,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:38:19,840 INFO L85 PathProgramCache]: Analyzing trace with hash 1047810175, now seen corresponding path program 11 times [2022-02-18 15:38:19,840 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:38:19,840 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [859882063] [2022-02-18 15:38:19,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:38:19,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:38:19,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:38:20,615 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:38:20,616 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:38:20,616 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [859882063] [2022-02-18 15:38:20,616 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [859882063] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:38:20,616 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:38:20,616 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-02-18 15:38:20,616 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [193503134] [2022-02-18 15:38:20,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:38:20,616 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-02-18 15:38:20,616 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:38:20,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-02-18 15:38:20,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=249, Unknown=0, NotChecked=0, Total=306 [2022-02-18 15:38:20,617 INFO L87 Difference]: Start difference. First operand 1007 states and 1821 transitions. Second operand has 18 states, 17 states have (on average 4.0) internal successors, (68), 18 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:38:21,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:38:21,746 INFO L93 Difference]: Finished difference Result 1397 states and 2495 transitions. [2022-02-18 15:38:21,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-18 15:38:21,746 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 4.0) internal successors, (68), 18 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have 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 [2022-02-18 15:38:21,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:38:21,748 INFO L225 Difference]: With dead ends: 1397 [2022-02-18 15:38:21,748 INFO L226 Difference]: Without dead ends: 1347 [2022-02-18 15:38:21,748 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 302 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=290, Invalid=1116, Unknown=0, NotChecked=0, Total=1406 [2022-02-18 15:38:21,749 INFO L933 BasicCegarLoop]: 171 mSDtfsCounter, 716 mSDsluCounter, 1097 mSDsCounter, 0 mSdLazyCounter, 1112 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 716 SdHoareTripleChecker+Valid, 1263 SdHoareTripleChecker+Invalid, 1200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 1112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-02-18 15:38:21,749 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [716 Valid, 1263 Invalid, 1200 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 1112 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-02-18 15:38:21,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1347 states. [2022-02-18 15:38:21,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1347 to 1041. [2022-02-18 15:38:21,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1041 states, 1036 states have (on average 1.8233590733590734) internal successors, (1889), 1040 states have internal predecessors, (1889), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:38:21,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1041 states to 1041 states and 1889 transitions. [2022-02-18 15:38:21,759 INFO L78 Accepts]: Start accepts. Automaton has 1041 states and 1889 transitions. Word has length 113 [2022-02-18 15:38:21,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:38:21,759 INFO L470 AbstractCegarLoop]: Abstraction has 1041 states and 1889 transitions. [2022-02-18 15:38:21,759 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 4.0) internal successors, (68), 18 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:38:21,759 INFO L276 IsEmpty]: Start isEmpty. Operand 1041 states and 1889 transitions. [2022-02-18 15:38:21,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-18 15:38:21,760 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:38:21,760 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:38:21,760 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable159 [2022-02-18 15:38:21,760 INFO L402 AbstractCegarLoop]: === Iteration 161 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:38:21,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:38:21,760 INFO L85 PathProgramCache]: Analyzing trace with hash -623604417, now seen corresponding path program 4 times [2022-02-18 15:38:21,760 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:38:21,760 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [272171674] [2022-02-18 15:38:21,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:38:21,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:38:21,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:38:22,302 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:38:22,303 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:38:22,303 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [272171674] [2022-02-18 15:38:22,303 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [272171674] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:38:22,303 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:38:22,303 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-02-18 15:38:22,303 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1455836618] [2022-02-18 15:38:22,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:38:22,303 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-02-18 15:38:22,303 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:38:22,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-02-18 15:38:22,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=249, Unknown=0, NotChecked=0, Total=306 [2022-02-18 15:38:22,303 INFO L87 Difference]: Start difference. First operand 1041 states and 1889 transitions. Second operand has 18 states, 17 states have (on average 4.0) internal successors, (68), 18 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:38:23,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:38:23,124 INFO L93 Difference]: Finished difference Result 1264 states and 2264 transitions. [2022-02-18 15:38:23,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-02-18 15:38:23,125 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 4.0) internal successors, (68), 18 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have 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 [2022-02-18 15:38:23,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:38:23,126 INFO L225 Difference]: With dead ends: 1264 [2022-02-18 15:38:23,126 INFO L226 Difference]: Without dead ends: 1252 [2022-02-18 15:38:23,126 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 312 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=311, Invalid=1171, Unknown=0, NotChecked=0, Total=1482 [2022-02-18 15:38:23,126 INFO L933 BasicCegarLoop]: 151 mSDtfsCounter, 604 mSDsluCounter, 825 mSDsCounter, 0 mSdLazyCounter, 735 mSolverCounterSat, 110 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 604 SdHoareTripleChecker+Valid, 974 SdHoareTripleChecker+Invalid, 845 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 110 IncrementalHoareTripleChecker+Valid, 735 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-18 15:38:23,126 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [604 Valid, 974 Invalid, 845 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [110 Valid, 735 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-18 15:38:23,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1252 states. [2022-02-18 15:38:23,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1252 to 1037. [2022-02-18 15:38:23,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1037 states, 1032 states have (on average 1.822674418604651) internal successors, (1881), 1036 states have internal predecessors, (1881), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:38:23,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1037 states to 1037 states and 1881 transitions. [2022-02-18 15:38:23,134 INFO L78 Accepts]: Start accepts. Automaton has 1037 states and 1881 transitions. Word has length 113 [2022-02-18 15:38:23,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:38:23,134 INFO L470 AbstractCegarLoop]: Abstraction has 1037 states and 1881 transitions. [2022-02-18 15:38:23,134 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 4.0) internal successors, (68), 18 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:38:23,135 INFO L276 IsEmpty]: Start isEmpty. Operand 1037 states and 1881 transitions. [2022-02-18 15:38:23,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-18 15:38:23,135 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:38:23,135 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:38:23,136 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable160 [2022-02-18 15:38:23,136 INFO L402 AbstractCegarLoop]: === Iteration 162 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:38:23,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:38:23,136 INFO L85 PathProgramCache]: Analyzing trace with hash 1098249279, now seen corresponding path program 12 times [2022-02-18 15:38:23,136 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:38:23,136 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [117433278] [2022-02-18 15:38:23,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:38:23,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:38:23,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:38:23,519 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:38:23,519 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:38:23,519 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [117433278] [2022-02-18 15:38:23,519 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [117433278] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:38:23,519 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:38:23,519 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:38:23,520 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1926467287] [2022-02-18 15:38:23,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:38:23,520 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:38:23,520 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:38:23,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:38:23,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:38:23,520 INFO L87 Difference]: Start difference. First operand 1037 states and 1881 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) [2022-02-18 15:38:24,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:38:24,058 INFO L93 Difference]: Finished difference Result 1450 states and 2602 transitions. [2022-02-18 15:38:24,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-18 15:38:24,058 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 [2022-02-18 15:38:24,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:38:24,060 INFO L225 Difference]: With dead ends: 1450 [2022-02-18 15:38:24,060 INFO L226 Difference]: Without dead ends: 1427 [2022-02-18 15:38:24,060 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=109, Invalid=197, Unknown=0, NotChecked=0, Total=306 [2022-02-18 15:38:24,060 INFO L933 BasicCegarLoop]: 119 mSDtfsCounter, 192 mSDsluCounter, 265 mSDsCounter, 0 mSdLazyCounter, 436 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 192 SdHoareTripleChecker+Valid, 382 SdHoareTripleChecker+Invalid, 505 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 436 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-18 15:38:24,060 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [192 Valid, 382 Invalid, 505 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 436 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-18 15:38:24,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1427 states. [2022-02-18 15:38:24,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1427 to 1037. [2022-02-18 15:38:24,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1037 states, 1032 states have (on average 1.821705426356589) internal successors, (1880), 1036 states have internal predecessors, (1880), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:38:24,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1037 states to 1037 states and 1880 transitions. [2022-02-18 15:38:24,069 INFO L78 Accepts]: Start accepts. Automaton has 1037 states and 1880 transitions. Word has length 113 [2022-02-18 15:38:24,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:38:24,069 INFO L470 AbstractCegarLoop]: Abstraction has 1037 states and 1880 transitions. [2022-02-18 15:38:24,069 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) [2022-02-18 15:38:24,069 INFO L276 IsEmpty]: Start isEmpty. Operand 1037 states and 1880 transitions. [2022-02-18 15:38:24,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-18 15:38:24,070 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:38:24,070 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:38:24,070 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable161 [2022-02-18 15:38:24,070 INFO L402 AbstractCegarLoop]: === Iteration 163 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:38:24,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:38:24,070 INFO L85 PathProgramCache]: Analyzing trace with hash 2034311971, now seen corresponding path program 13 times [2022-02-18 15:38:24,070 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:38:24,070 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1026025678] [2022-02-18 15:38:24,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:38:24,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:38:24,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:38:24,431 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:38:24,431 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:38:24,431 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1026025678] [2022-02-18 15:38:24,431 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1026025678] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:38:24,431 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:38:24,431 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:38:24,431 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1266216783] [2022-02-18 15:38:24,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:38:24,432 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:38:24,432 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:38:24,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:38:24,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:38:24,432 INFO L87 Difference]: Start difference. First operand 1037 states and 1880 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) [2022-02-18 15:38:24,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:38:24,937 INFO L93 Difference]: Finished difference Result 1491 states and 2680 transitions. [2022-02-18 15:38:24,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-18 15:38:24,938 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 [2022-02-18 15:38:24,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:38:24,939 INFO L225 Difference]: With dead ends: 1491 [2022-02-18 15:38:24,939 INFO L226 Difference]: Without dead ends: 1462 [2022-02-18 15:38:24,939 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=107, Invalid=199, Unknown=0, NotChecked=0, Total=306 [2022-02-18 15:38:24,939 INFO L933 BasicCegarLoop]: 127 mSDtfsCounter, 190 mSDsluCounter, 326 mSDsCounter, 0 mSdLazyCounter, 498 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 190 SdHoareTripleChecker+Valid, 451 SdHoareTripleChecker+Invalid, 563 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 498 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-18 15:38:24,939 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [190 Valid, 451 Invalid, 563 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 498 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-18 15:38:24,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1462 states. [2022-02-18 15:38:24,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1462 to 1036. [2022-02-18 15:38:24,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1036 states, 1031 states have (on average 1.822502424830262) internal successors, (1879), 1035 states have internal predecessors, (1879), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:38:24,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1036 states to 1036 states and 1879 transitions. [2022-02-18 15:38:24,948 INFO L78 Accepts]: Start accepts. Automaton has 1036 states and 1879 transitions. Word has length 113 [2022-02-18 15:38:24,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:38:24,948 INFO L470 AbstractCegarLoop]: Abstraction has 1036 states and 1879 transitions. [2022-02-18 15:38:24,948 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) [2022-02-18 15:38:24,948 INFO L276 IsEmpty]: Start isEmpty. Operand 1036 states and 1879 transitions. [2022-02-18 15:38:24,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-18 15:38:24,949 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:38:24,949 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:38:24,949 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable162 [2022-02-18 15:38:24,949 INFO L402 AbstractCegarLoop]: === Iteration 164 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:38:24,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:38:24,949 INFO L85 PathProgramCache]: Analyzing trace with hash 457506101, now seen corresponding path program 14 times [2022-02-18 15:38:24,949 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:38:24,949 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [937090566] [2022-02-18 15:38:24,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:38:24,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:38:24,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:38:25,285 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:38:25,285 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:38:25,285 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [937090566] [2022-02-18 15:38:25,285 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [937090566] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:38:25,285 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:38:25,285 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:38:25,285 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1560042226] [2022-02-18 15:38:25,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:38:25,286 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:38:25,286 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:38:25,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:38:25,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:38:25,286 INFO L87 Difference]: Start difference. First operand 1036 states and 1879 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) [2022-02-18 15:38:25,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:38:25,853 INFO L93 Difference]: Finished difference Result 1533 states and 2750 transitions. [2022-02-18 15:38:25,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-18 15:38:25,853 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 [2022-02-18 15:38:25,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:38:25,855 INFO L225 Difference]: With dead ends: 1533 [2022-02-18 15:38:25,855 INFO L226 Difference]: Without dead ends: 1497 [2022-02-18 15:38:25,855 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=105, Invalid=201, Unknown=0, NotChecked=0, Total=306 [2022-02-18 15:38:25,855 INFO L933 BasicCegarLoop]: 129 mSDtfsCounter, 194 mSDsluCounter, 273 mSDsCounter, 0 mSdLazyCounter, 476 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 400 SdHoareTripleChecker+Invalid, 545 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 476 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-18 15:38:25,855 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [194 Valid, 400 Invalid, 545 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 476 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-18 15:38:25,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1497 states. [2022-02-18 15:38:25,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1497 to 1035. [2022-02-18 15:38:25,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1035 states, 1030 states have (on average 1.8223300970873786) internal successors, (1877), 1034 states have internal predecessors, (1877), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:38:25,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1035 states to 1035 states and 1877 transitions. [2022-02-18 15:38:25,864 INFO L78 Accepts]: Start accepts. Automaton has 1035 states and 1877 transitions. Word has length 113 [2022-02-18 15:38:25,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:38:25,864 INFO L470 AbstractCegarLoop]: Abstraction has 1035 states and 1877 transitions. [2022-02-18 15:38:25,864 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) [2022-02-18 15:38:25,864 INFO L276 IsEmpty]: Start isEmpty. Operand 1035 states and 1877 transitions. [2022-02-18 15:38:25,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-18 15:38:25,865 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:38:25,865 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:38:25,865 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable163 [2022-02-18 15:38:25,865 INFO L402 AbstractCegarLoop]: === Iteration 165 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:38:25,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:38:25,865 INFO L85 PathProgramCache]: Analyzing trace with hash 1434294773, now seen corresponding path program 15 times [2022-02-18 15:38:25,865 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:38:25,865 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1050338174] [2022-02-18 15:38:25,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:38:25,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:38:25,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:38:26,191 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:38:26,191 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:38:26,191 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1050338174] [2022-02-18 15:38:26,191 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1050338174] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:38:26,191 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:38:26,191 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:38:26,191 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1276830576] [2022-02-18 15:38:26,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:38:26,191 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:38:26,191 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:38:26,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:38:26,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:38:26,192 INFO L87 Difference]: Start difference. First operand 1035 states and 1877 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) [2022-02-18 15:38:26,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:38:26,733 INFO L93 Difference]: Finished difference Result 1570 states and 2822 transitions. [2022-02-18 15:38:26,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-18 15:38:26,733 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 [2022-02-18 15:38:26,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:38:26,735 INFO L225 Difference]: With dead ends: 1570 [2022-02-18 15:38:26,735 INFO L226 Difference]: Without dead ends: 1527 [2022-02-18 15:38:26,735 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=103, Invalid=203, Unknown=0, NotChecked=0, Total=306 [2022-02-18 15:38:26,735 INFO L933 BasicCegarLoop]: 129 mSDtfsCounter, 174 mSDsluCounter, 371 mSDsCounter, 0 mSdLazyCounter, 589 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 174 SdHoareTripleChecker+Valid, 498 SdHoareTripleChecker+Invalid, 652 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 589 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-18 15:38:26,735 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [174 Valid, 498 Invalid, 652 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 589 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-18 15:38:26,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1527 states. [2022-02-18 15:38:26,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1527 to 1034. [2022-02-18 15:38:26,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1034 states, 1029 states have (on average 1.8221574344023324) internal successors, (1875), 1033 states have internal predecessors, (1875), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:38:26,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1034 states to 1034 states and 1875 transitions. [2022-02-18 15:38:26,744 INFO L78 Accepts]: Start accepts. Automaton has 1034 states and 1875 transitions. Word has length 113 [2022-02-18 15:38:26,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:38:26,744 INFO L470 AbstractCegarLoop]: Abstraction has 1034 states and 1875 transitions. [2022-02-18 15:38:26,744 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) [2022-02-18 15:38:26,744 INFO L276 IsEmpty]: Start isEmpty. Operand 1034 states and 1875 transitions. [2022-02-18 15:38:26,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-18 15:38:26,745 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:38:26,745 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:38:26,745 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable164 [2022-02-18 15:38:26,745 INFO L402 AbstractCegarLoop]: === Iteration 166 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:38:26,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:38:26,745 INFO L85 PathProgramCache]: Analyzing trace with hash 422611697, now seen corresponding path program 16 times [2022-02-18 15:38:26,745 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:38:26,745 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1173716349] [2022-02-18 15:38:26,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:38:26,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:38:26,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:38:27,036 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:38:27,037 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:38:27,037 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1173716349] [2022-02-18 15:38:27,037 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1173716349] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:38:27,037 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:38:27,037 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:38:27,037 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [589305973] [2022-02-18 15:38:27,037 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:38:27,037 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:38:27,037 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:38:27,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:38:27,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:38:27,038 INFO L87 Difference]: Start difference. First operand 1034 states and 1875 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) [2022-02-18 15:38:27,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:38:27,494 INFO L93 Difference]: Finished difference Result 1455 states and 2611 transitions. [2022-02-18 15:38:27,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-18 15:38:27,494 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 [2022-02-18 15:38:27,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:38:27,496 INFO L225 Difference]: With dead ends: 1455 [2022-02-18 15:38:27,496 INFO L226 Difference]: Without dead ends: 1405 [2022-02-18 15:38:27,496 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2022-02-18 15:38:27,496 INFO L933 BasicCegarLoop]: 132 mSDtfsCounter, 198 mSDsluCounter, 337 mSDsCounter, 0 mSdLazyCounter, 442 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 198 SdHoareTripleChecker+Valid, 467 SdHoareTripleChecker+Invalid, 500 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 442 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-18 15:38:27,496 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [198 Valid, 467 Invalid, 500 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 442 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-18 15:38:27,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1405 states. [2022-02-18 15:38:27,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1405 to 1127. [2022-02-18 15:38:27,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1127 states, 1122 states have (on average 1.8368983957219251) internal successors, (2061), 1126 states have internal predecessors, (2061), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:38:27,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1127 states to 1127 states and 2061 transitions. [2022-02-18 15:38:27,508 INFO L78 Accepts]: Start accepts. Automaton has 1127 states and 2061 transitions. Word has length 113 [2022-02-18 15:38:27,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:38:27,509 INFO L470 AbstractCegarLoop]: Abstraction has 1127 states and 2061 transitions. [2022-02-18 15:38:27,509 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) [2022-02-18 15:38:27,509 INFO L276 IsEmpty]: Start isEmpty. Operand 1127 states and 2061 transitions. [2022-02-18 15:38:27,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-18 15:38:27,509 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:38:27,510 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:38:27,510 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable165 [2022-02-18 15:38:27,510 INFO L402 AbstractCegarLoop]: === Iteration 167 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:38:27,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:38:27,510 INFO L85 PathProgramCache]: Analyzing trace with hash -1248802895, now seen corresponding path program 5 times [2022-02-18 15:38:27,510 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:38:27,510 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1034774854] [2022-02-18 15:38:27,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:38:27,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:38:27,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:38:27,977 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:38:27,977 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:38:27,977 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1034774854] [2022-02-18 15:38:27,977 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1034774854] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:38:27,977 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:38:27,977 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:38:27,977 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755427713] [2022-02-18 15:38:27,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:38:27,977 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:38:27,977 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:38:27,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:38:27,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:38:27,978 INFO L87 Difference]: Start difference. First operand 1127 states and 2061 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) [2022-02-18 15:38:28,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:38:28,445 INFO L93 Difference]: Finished difference Result 1257 states and 2261 transitions. [2022-02-18 15:38:28,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-18 15:38:28,445 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 [2022-02-18 15:38:28,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:38:28,446 INFO L225 Difference]: With dead ends: 1257 [2022-02-18 15:38:28,446 INFO L226 Difference]: Without dead ends: 1245 [2022-02-18 15:38:28,446 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2022-02-18 15:38:28,447 INFO L933 BasicCegarLoop]: 120 mSDtfsCounter, 171 mSDsluCounter, 421 mSDsCounter, 0 mSdLazyCounter, 488 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 540 SdHoareTripleChecker+Invalid, 544 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 488 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-18 15:38:28,447 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [171 Valid, 540 Invalid, 544 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 488 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-18 15:38:28,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1245 states. [2022-02-18 15:38:28,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1245 to 1107. [2022-02-18 15:38:28,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1107 states, 1102 states have (on average 1.8339382940108893) internal successors, (2021), 1106 states have internal predecessors, (2021), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:38:28,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1107 states to 1107 states and 2021 transitions. [2022-02-18 15:38:28,457 INFO L78 Accepts]: Start accepts. Automaton has 1107 states and 2021 transitions. Word has length 113 [2022-02-18 15:38:28,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:38:28,457 INFO L470 AbstractCegarLoop]: Abstraction has 1107 states and 2021 transitions. [2022-02-18 15:38:28,458 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) [2022-02-18 15:38:28,458 INFO L276 IsEmpty]: Start isEmpty. Operand 1107 states and 2021 transitions. [2022-02-18 15:38:28,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-18 15:38:28,459 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:38:28,459 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] [2022-02-18 15:38:28,459 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable166 [2022-02-18 15:38:28,459 INFO L402 AbstractCegarLoop]: === Iteration 168 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:38:28,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:38:28,459 INFO L85 PathProgramCache]: Analyzing trace with hash -2109156610, now seen corresponding path program 1 times [2022-02-18 15:38:28,459 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:38:28,459 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [328494370] [2022-02-18 15:38:28,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:38:28,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:38:28,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:38:28,565 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:38:28,565 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:38:28,565 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [328494370] [2022-02-18 15:38:28,565 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [328494370] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:38:28,565 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:38:28,565 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-02-18 15:38:28,565 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587439756] [2022-02-18 15:38:28,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:38:28,566 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-02-18 15:38:28,566 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:38:28,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-02-18 15:38:28,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2022-02-18 15:38:28,566 INFO L87 Difference]: Start difference. First operand 1107 states and 2021 transitions. Second operand has 8 states, 7 states have (on average 9.714285714285714) internal successors, (68), 8 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:38:28,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:38:28,837 INFO L93 Difference]: Finished difference Result 1358 states and 2469 transitions. [2022-02-18 15:38:28,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-18 15:38:28,837 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 9.714285714285714) internal successors, (68), 8 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have 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 [2022-02-18 15:38:28,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:38:28,838 INFO L225 Difference]: With dead ends: 1358 [2022-02-18 15:38:28,838 INFO L226 Difference]: Without dead ends: 1310 [2022-02-18 15:38:28,838 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2022-02-18 15:38:28,839 INFO L933 BasicCegarLoop]: 136 mSDtfsCounter, 138 mSDsluCounter, 298 mSDsCounter, 0 mSdLazyCounter, 366 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 434 SdHoareTripleChecker+Invalid, 379 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 366 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-18 15:38:28,839 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [138 Valid, 434 Invalid, 379 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 366 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-18 15:38:28,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1310 states. [2022-02-18 15:38:28,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1310 to 1147. [2022-02-18 15:38:28,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1147 states, 1142 states have (on average 1.8345008756567425) internal successors, (2095), 1146 states have internal predecessors, (2095), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:38:28,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1147 states to 1147 states and 2095 transitions. [2022-02-18 15:38:28,848 INFO L78 Accepts]: Start accepts. Automaton has 1147 states and 2095 transitions. Word has length 113 [2022-02-18 15:38:28,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:38:28,848 INFO L470 AbstractCegarLoop]: Abstraction has 1147 states and 2095 transitions. [2022-02-18 15:38:28,848 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 9.714285714285714) internal successors, (68), 8 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:38:28,848 INFO L276 IsEmpty]: Start isEmpty. Operand 1147 states and 2095 transitions. [2022-02-18 15:38:28,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-18 15:38:28,849 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:38:28,849 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:38:28,849 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable167 [2022-02-18 15:38:28,849 INFO L402 AbstractCegarLoop]: === Iteration 169 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:38:28,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:38:28,849 INFO L85 PathProgramCache]: Analyzing trace with hash -2063576380, now seen corresponding path program 2 times [2022-02-18 15:38:28,850 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:38:28,850 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [687516218] [2022-02-18 15:38:28,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:38:28,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:38:28,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:38:28,957 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:38:28,957 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:38:28,957 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [687516218] [2022-02-18 15:38:28,957 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [687516218] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:38:28,957 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:38:28,957 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-02-18 15:38:28,957 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1012279173] [2022-02-18 15:38:28,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:38:28,957 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-02-18 15:38:28,957 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:38:28,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-02-18 15:38:28,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-02-18 15:38:28,958 INFO L87 Difference]: Start difference. First operand 1147 states and 2095 transitions. Second operand has 8 states, 7 states have (on average 9.714285714285714) internal successors, (68), 8 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:38:29,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:38:29,186 INFO L93 Difference]: Finished difference Result 1483 states and 2688 transitions. [2022-02-18 15:38:29,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-18 15:38:29,186 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 9.714285714285714) internal successors, (68), 8 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have 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 [2022-02-18 15:38:29,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:38:29,188 INFO L225 Difference]: With dead ends: 1483 [2022-02-18 15:38:29,188 INFO L226 Difference]: Without dead ends: 1435 [2022-02-18 15:38:29,188 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:38:29,188 INFO L933 BasicCegarLoop]: 136 mSDtfsCounter, 145 mSDsluCounter, 316 mSDsCounter, 0 mSdLazyCounter, 373 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 452 SdHoareTripleChecker+Invalid, 393 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 373 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-18 15:38:29,188 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [145 Valid, 452 Invalid, 393 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 373 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-18 15:38:29,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1435 states. [2022-02-18 15:38:29,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1435 to 1157. [2022-02-18 15:38:29,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1157 states, 1152 states have (on average 1.8350694444444444) internal successors, (2114), 1156 states have internal predecessors, (2114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:38:29,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1157 states to 1157 states and 2114 transitions. [2022-02-18 15:38:29,197 INFO L78 Accepts]: Start accepts. Automaton has 1157 states and 2114 transitions. Word has length 113 [2022-02-18 15:38:29,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:38:29,198 INFO L470 AbstractCegarLoop]: Abstraction has 1157 states and 2114 transitions. [2022-02-18 15:38:29,198 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 9.714285714285714) internal successors, (68), 8 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:38:29,198 INFO L276 IsEmpty]: Start isEmpty. Operand 1157 states and 2114 transitions. [2022-02-18 15:38:29,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-18 15:38:29,199 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:38:29,199 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:38:29,199 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable168 [2022-02-18 15:38:29,199 INFO L402 AbstractCegarLoop]: === Iteration 170 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:38:29,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:38:29,199 INFO L85 PathProgramCache]: Analyzing trace with hash -2062077220, now seen corresponding path program 3 times [2022-02-18 15:38:29,199 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:38:29,199 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1887399503] [2022-02-18 15:38:29,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:38:29,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:38:29,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:38:29,323 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:38:29,323 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:38:29,323 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1887399503] [2022-02-18 15:38:29,323 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1887399503] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:38:29,323 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:38:29,323 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-02-18 15:38:29,323 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866136402] [2022-02-18 15:38:29,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:38:29,323 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-02-18 15:38:29,323 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:38:29,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-02-18 15:38:29,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2022-02-18 15:38:29,324 INFO L87 Difference]: Start difference. First operand 1157 states and 2114 transitions. Second operand has 8 states, 7 states have (on average 9.714285714285714) internal successors, (68), 8 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:38:29,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:38:29,592 INFO L93 Difference]: Finished difference Result 1540 states and 2778 transitions. [2022-02-18 15:38:29,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-18 15:38:29,593 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 9.714285714285714) internal successors, (68), 8 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have 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 [2022-02-18 15:38:29,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:38:29,594 INFO L225 Difference]: With dead ends: 1540 [2022-02-18 15:38:29,594 INFO L226 Difference]: Without dead ends: 1492 [2022-02-18 15:38:29,594 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-02-18 15:38:29,595 INFO L933 BasicCegarLoop]: 136 mSDtfsCounter, 143 mSDsluCounter, 303 mSDsCounter, 0 mSdLazyCounter, 366 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 439 SdHoareTripleChecker+Invalid, 389 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 366 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-18 15:38:29,595 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [143 Valid, 439 Invalid, 389 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 366 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-18 15:38:29,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1492 states. [2022-02-18 15:38:29,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1492 to 1167. [2022-02-18 15:38:29,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1167 states, 1162 states have (on average 1.8356282271944921) internal successors, (2133), 1166 states have internal predecessors, (2133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:38:29,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1167 states to 1167 states and 2133 transitions. [2022-02-18 15:38:29,606 INFO L78 Accepts]: Start accepts. Automaton has 1167 states and 2133 transitions. Word has length 113 [2022-02-18 15:38:29,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:38:29,606 INFO L470 AbstractCegarLoop]: Abstraction has 1167 states and 2133 transitions. [2022-02-18 15:38:29,606 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 9.714285714285714) internal successors, (68), 8 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:38:29,606 INFO L276 IsEmpty]: Start isEmpty. Operand 1167 states and 2133 transitions. [2022-02-18 15:38:29,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-18 15:38:29,607 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:38:29,607 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] [2022-02-18 15:38:29,608 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable169 [2022-02-18 15:38:29,608 INFO L402 AbstractCegarLoop]: === Iteration 171 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:38:29,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:38:29,608 INFO L85 PathProgramCache]: Analyzing trace with hash -2062027930, now seen corresponding path program 4 times [2022-02-18 15:38:29,608 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:38:29,608 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1871888332] [2022-02-18 15:38:29,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:38:29,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:38:29,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:38:29,852 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:38:29,852 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:38:29,852 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1871888332] [2022-02-18 15:38:29,852 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1871888332] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:38:29,852 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:38:29,852 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:38:29,852 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1125369514] [2022-02-18 15:38:29,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:38:29,853 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:38:29,853 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:38:29,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:38:29,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:38:29,853 INFO L87 Difference]: Start difference. First operand 1167 states and 2133 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) [2022-02-18 15:38:30,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:38:30,251 INFO L93 Difference]: Finished difference Result 1452 states and 2579 transitions. [2022-02-18 15:38:30,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-18 15:38:30,252 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 [2022-02-18 15:38:30,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:38:30,253 INFO L225 Difference]: With dead ends: 1452 [2022-02-18 15:38:30,253 INFO L226 Difference]: Without dead ends: 1370 [2022-02-18 15:38:30,254 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2022-02-18 15:38:30,254 INFO L933 BasicCegarLoop]: 146 mSDtfsCounter, 209 mSDsluCounter, 311 mSDsCounter, 0 mSdLazyCounter, 397 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 209 SdHoareTripleChecker+Valid, 456 SdHoareTripleChecker+Invalid, 467 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 397 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-18 15:38:30,254 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [209 Valid, 456 Invalid, 467 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 397 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-18 15:38:30,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1370 states. [2022-02-18 15:38:30,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1370 to 1139. [2022-02-18 15:38:30,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1139 states, 1134 states have (on average 1.8262786596119929) internal successors, (2071), 1138 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) [2022-02-18 15:38:30,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1139 states to 1139 states and 2071 transitions. [2022-02-18 15:38:30,265 INFO L78 Accepts]: Start accepts. Automaton has 1139 states and 2071 transitions. Word has length 113 [2022-02-18 15:38:30,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:38:30,265 INFO L470 AbstractCegarLoop]: Abstraction has 1139 states and 2071 transitions. [2022-02-18 15:38:30,265 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) [2022-02-18 15:38:30,265 INFO L276 IsEmpty]: Start isEmpty. Operand 1139 states and 2071 transitions. [2022-02-18 15:38:30,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-18 15:38:30,266 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:38:30,266 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] [2022-02-18 15:38:30,266 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable170 [2022-02-18 15:38:30,266 INFO L402 AbstractCegarLoop]: === Iteration 172 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:38:30,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:38:30,266 INFO L85 PathProgramCache]: Analyzing trace with hash -1495202806, now seen corresponding path program 5 times [2022-02-18 15:38:30,267 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:38:30,267 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1608097169] [2022-02-18 15:38:30,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:38:30,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:38:30,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:38:30,515 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:38:30,515 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:38:30,516 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1608097169] [2022-02-18 15:38:30,516 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1608097169] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:38:30,516 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:38:30,516 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:38:30,516 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [223666165] [2022-02-18 15:38:30,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:38:30,516 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:38:30,516 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:38:30,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:38:30,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:38:30,516 INFO L87 Difference]: Start difference. First operand 1139 states and 2071 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) [2022-02-18 15:38:31,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:38:31,006 INFO L93 Difference]: Finished difference Result 1326 states and 2346 transitions. [2022-02-18 15:38:31,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-18 15:38:31,007 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 [2022-02-18 15:38:31,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:38:31,008 INFO L225 Difference]: With dead ends: 1326 [2022-02-18 15:38:31,008 INFO L226 Difference]: Without dead ends: 1248 [2022-02-18 15:38:31,008 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 [2022-02-18 15:38:31,009 INFO L933 BasicCegarLoop]: 137 mSDtfsCounter, 151 mSDsluCounter, 455 mSDsCounter, 0 mSdLazyCounter, 540 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 591 SdHoareTripleChecker+Invalid, 586 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 540 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-18 15:38:31,009 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [151 Valid, 591 Invalid, 586 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 540 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-18 15:38:31,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1248 states. [2022-02-18 15:38:31,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1248 to 1097. [2022-02-18 15:38:31,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1097 states, 1092 states have (on average 1.8195970695970696) internal successors, (1987), 1096 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) [2022-02-18 15:38:31,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1097 states to 1097 states and 1987 transitions. [2022-02-18 15:38:31,019 INFO L78 Accepts]: Start accepts. Automaton has 1097 states and 1987 transitions. Word has length 113 [2022-02-18 15:38:31,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:38:31,019 INFO L470 AbstractCegarLoop]: Abstraction has 1097 states and 1987 transitions. [2022-02-18 15:38:31,019 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) [2022-02-18 15:38:31,019 INFO L276 IsEmpty]: Start isEmpty. Operand 1097 states and 1987 transitions. [2022-02-18 15:38:31,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-18 15:38:31,020 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:38:31,020 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:38:31,020 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable171 [2022-02-18 15:38:31,020 INFO L402 AbstractCegarLoop]: === Iteration 173 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:38:31,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:38:31,021 INFO L85 PathProgramCache]: Analyzing trace with hash -1566232922, now seen corresponding path program 6 times [2022-02-18 15:38:31,021 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:38:31,021 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1617790539] [2022-02-18 15:38:31,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:38:31,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:38:31,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:38:31,351 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:38:31,351 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:38:31,351 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1617790539] [2022-02-18 15:38:31,351 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1617790539] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:38:31,351 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:38:31,351 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:38:31,351 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1859096035] [2022-02-18 15:38:31,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:38:31,352 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:38:31,352 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:38:31,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:38:31,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:38:31,352 INFO L87 Difference]: Start difference. First operand 1097 states and 1987 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) [2022-02-18 15:38:31,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:38:31,765 INFO L93 Difference]: Finished difference Result 1205 states and 2131 transitions. [2022-02-18 15:38:31,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-18 15:38:31,765 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 [2022-02-18 15:38:31,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:38:31,767 INFO L225 Difference]: With dead ends: 1205 [2022-02-18 15:38:31,767 INFO L226 Difference]: Without dead ends: 1139 [2022-02-18 15:38:31,767 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2022-02-18 15:38:31,767 INFO L933 BasicCegarLoop]: 128 mSDtfsCounter, 147 mSDsluCounter, 338 mSDsCounter, 0 mSdLazyCounter, 388 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 465 SdHoareTripleChecker+Invalid, 434 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 388 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-18 15:38:31,767 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [147 Valid, 465 Invalid, 434 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 388 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-18 15:38:31,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1139 states. [2022-02-18 15:38:31,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1139 to 1053. [2022-02-18 15:38:31,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1053 states, 1048 states have (on average 1.8120229007633588) internal successors, (1899), 1052 states have internal predecessors, (1899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:38:31,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1053 states to 1053 states and 1899 transitions. [2022-02-18 15:38:31,777 INFO L78 Accepts]: Start accepts. Automaton has 1053 states and 1899 transitions. Word has length 113 [2022-02-18 15:38:31,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:38:31,777 INFO L470 AbstractCegarLoop]: Abstraction has 1053 states and 1899 transitions. [2022-02-18 15:38:31,777 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) [2022-02-18 15:38:31,777 INFO L276 IsEmpty]: Start isEmpty. Operand 1053 states and 1899 transitions. [2022-02-18 15:38:31,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-18 15:38:31,778 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:38:31,778 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:38:31,778 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable172 [2022-02-18 15:38:31,778 INFO L402 AbstractCegarLoop]: === Iteration 174 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:38:31,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:38:31,778 INFO L85 PathProgramCache]: Analyzing trace with hash -1825883830, now seen corresponding path program 7 times [2022-02-18 15:38:31,778 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:38:31,778 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [859768289] [2022-02-18 15:38:31,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:38:31,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:38:31,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:38:32,199 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:38:32,200 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:38:32,200 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [859768289] [2022-02-18 15:38:32,200 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [859768289] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:38:32,200 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:38:32,200 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:38:32,200 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [862754453] [2022-02-18 15:38:32,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:38:32,200 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:38:32,200 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:38:32,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:38:32,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:38:32,200 INFO L87 Difference]: Start difference. First operand 1053 states and 1899 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) [2022-02-18 15:38:32,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:38:32,606 INFO L93 Difference]: Finished difference Result 1104 states and 1958 transitions. [2022-02-18 15:38:32,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-18 15:38:32,607 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 [2022-02-18 15:38:32,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:38:32,608 INFO L225 Difference]: With dead ends: 1104 [2022-02-18 15:38:32,608 INFO L226 Difference]: Without dead ends: 761 [2022-02-18 15:38:32,608 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2022-02-18 15:38:32,608 INFO L933 BasicCegarLoop]: 120 mSDtfsCounter, 156 mSDsluCounter, 314 mSDsCounter, 0 mSdLazyCounter, 337 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 433 SdHoareTripleChecker+Invalid, 389 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 337 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-18 15:38:32,608 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [156 Valid, 433 Invalid, 389 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 337 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-18 15:38:32,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 761 states. [2022-02-18 15:38:32,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 761 to 749. [2022-02-18 15:38:32,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 749 states, 744 states have (on average 1.7634408602150538) internal successors, (1312), 748 states have internal predecessors, (1312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:38:32,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 749 states to 749 states and 1312 transitions. [2022-02-18 15:38:32,615 INFO L78 Accepts]: Start accepts. Automaton has 749 states and 1312 transitions. Word has length 113 [2022-02-18 15:38:32,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:38:32,615 INFO L470 AbstractCegarLoop]: Abstraction has 749 states and 1312 transitions. [2022-02-18 15:38:32,615 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) [2022-02-18 15:38:32,615 INFO L276 IsEmpty]: Start isEmpty. Operand 749 states and 1312 transitions. [2022-02-18 15:38:32,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-18 15:38:32,615 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:38:32,615 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:38:32,615 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable173 [2022-02-18 15:38:32,616 INFO L402 AbstractCegarLoop]: === Iteration 175 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:38:32,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:38:32,616 INFO L85 PathProgramCache]: Analyzing trace with hash 1470072351, now seen corresponding path program 17 times [2022-02-18 15:38:32,616 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:38:32,616 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1094380673] [2022-02-18 15:38:32,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:38:32,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:38:32,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:38:33,084 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:38:33,084 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:38:33,084 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1094380673] [2022-02-18 15:38:33,084 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1094380673] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:38:33,084 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:38:33,084 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:38:33,084 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004530080] [2022-02-18 15:38:33,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:38:33,085 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:38:33,085 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:38:33,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:38:33,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:38:33,085 INFO L87 Difference]: Start difference. First operand 749 states and 1312 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) [2022-02-18 15:38:33,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:38:33,434 INFO L93 Difference]: Finished difference Result 849 states and 1486 transitions. [2022-02-18 15:38:33,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-18 15:38:33,434 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 [2022-02-18 15:38:33,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:38:33,435 INFO L225 Difference]: With dead ends: 849 [2022-02-18 15:38:33,435 INFO L226 Difference]: Without dead ends: 798 [2022-02-18 15:38:33,435 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2022-02-18 15:38:33,435 INFO L933 BasicCegarLoop]: 101 mSDtfsCounter, 210 mSDsluCounter, 285 mSDsCounter, 0 mSdLazyCounter, 447 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 210 SdHoareTripleChecker+Valid, 385 SdHoareTripleChecker+Invalid, 493 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 447 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-18 15:38:33,436 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [210 Valid, 385 Invalid, 493 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 447 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-18 15:38:33,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 798 states. [2022-02-18 15:38:33,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 798 to 753. [2022-02-18 15:38:33,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 753 states, 748 states have (on average 1.7553475935828877) internal successors, (1313), 752 states have internal predecessors, (1313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:38:33,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 753 states to 753 states and 1313 transitions. [2022-02-18 15:38:33,441 INFO L78 Accepts]: Start accepts. Automaton has 753 states and 1313 transitions. Word has length 113 [2022-02-18 15:38:33,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:38:33,441 INFO L470 AbstractCegarLoop]: Abstraction has 753 states and 1313 transitions. [2022-02-18 15:38:33,441 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) [2022-02-18 15:38:33,441 INFO L276 IsEmpty]: Start isEmpty. Operand 753 states and 1313 transitions. [2022-02-18 15:38:33,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-18 15:38:33,442 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:38:33,442 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:38:33,442 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable174 [2022-02-18 15:38:33,442 INFO L402 AbstractCegarLoop]: === Iteration 176 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:38:33,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:38:33,442 INFO L85 PathProgramCache]: Analyzing trace with hash -1259449039, now seen corresponding path program 6 times [2022-02-18 15:38:33,442 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:38:33,442 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [77784121] [2022-02-18 15:38:33,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:38:33,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:38:33,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:38:33,680 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:38:33,680 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:38:33,681 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [77784121] [2022-02-18 15:38:33,681 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [77784121] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:38:33,681 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:38:33,681 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:38:33,681 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1091148620] [2022-02-18 15:38:33,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:38:33,681 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:38:33,681 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:38:33,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:38:33,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:38:33,681 INFO L87 Difference]: Start difference. First operand 753 states and 1313 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) [2022-02-18 15:38:33,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:38:33,997 INFO L93 Difference]: Finished difference Result 927 states and 1597 transitions. [2022-02-18 15:38:33,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-18 15:38:33,998 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 [2022-02-18 15:38:33,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:38:33,998 INFO L225 Difference]: With dead ends: 927 [2022-02-18 15:38:33,998 INFO L226 Difference]: Without dead ends: 879 [2022-02-18 15:38:33,999 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 [2022-02-18 15:38:33,999 INFO L933 BasicCegarLoop]: 115 mSDtfsCounter, 267 mSDsluCounter, 355 mSDsCounter, 0 mSdLazyCounter, 467 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 267 SdHoareTripleChecker+Valid, 470 SdHoareTripleChecker+Invalid, 513 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 467 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-18 15:38:33,999 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [267 Valid, 470 Invalid, 513 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 467 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-18 15:38:34,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 879 states. [2022-02-18 15:38:34,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 879 to 744. [2022-02-18 15:38:34,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 744 states, 739 states have (on average 1.753721244925575) internal successors, (1296), 743 states have internal predecessors, (1296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:38:34,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 744 states and 1296 transitions. [2022-02-18 15:38:34,005 INFO L78 Accepts]: Start accepts. Automaton has 744 states and 1296 transitions. Word has length 113 [2022-02-18 15:38:34,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:38:34,005 INFO L470 AbstractCegarLoop]: Abstraction has 744 states and 1296 transitions. [2022-02-18 15:38:34,005 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) [2022-02-18 15:38:34,005 INFO L276 IsEmpty]: Start isEmpty. Operand 744 states and 1296 transitions. [2022-02-18 15:38:34,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-18 15:38:34,005 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:38:34,006 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:38:34,006 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable175 [2022-02-18 15:38:34,006 INFO L402 AbstractCegarLoop]: === Iteration 177 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:38:34,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:38:34,006 INFO L85 PathProgramCache]: Analyzing trace with hash -2030976197, now seen corresponding path program 7 times [2022-02-18 15:38:34,006 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:38:34,006 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [328883175] [2022-02-18 15:38:34,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:38:34,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:38:34,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:38:34,274 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:38:34,275 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:38:34,275 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [328883175] [2022-02-18 15:38:34,275 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [328883175] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:38:34,275 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:38:34,275 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:38:34,275 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1297541867] [2022-02-18 15:38:34,275 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:38:34,275 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:38:34,275 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:38:34,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:38:34,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:38:34,275 INFO L87 Difference]: Start difference. First operand 744 states and 1296 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) [2022-02-18 15:38:34,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:38:34,561 INFO L93 Difference]: Finished difference Result 844 states and 1452 transitions. [2022-02-18 15:38:34,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-18 15:38:34,561 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 [2022-02-18 15:38:34,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:38:34,562 INFO L225 Difference]: With dead ends: 844 [2022-02-18 15:38:34,562 INFO L226 Difference]: Without dead ends: 808 [2022-02-18 15:38:34,562 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=54, Invalid=78, Unknown=0, NotChecked=0, Total=132 [2022-02-18 15:38:34,563 INFO L933 BasicCegarLoop]: 106 mSDtfsCounter, 306 mSDsluCounter, 212 mSDsCounter, 0 mSdLazyCounter, 295 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 306 SdHoareTripleChecker+Valid, 318 SdHoareTripleChecker+Invalid, 354 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 295 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-18 15:38:34,563 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [306 Valid, 318 Invalid, 354 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 295 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-18 15:38:34,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 808 states. [2022-02-18 15:38:34,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 808 to 725. [2022-02-18 15:38:34,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 725 states, 720 states have (on average 1.7486111111111111) internal successors, (1259), 724 states have internal predecessors, (1259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:38:34,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 725 states to 725 states and 1259 transitions. [2022-02-18 15:38:34,568 INFO L78 Accepts]: Start accepts. Automaton has 725 states and 1259 transitions. Word has length 113 [2022-02-18 15:38:34,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:38:34,568 INFO L470 AbstractCegarLoop]: Abstraction has 725 states and 1259 transitions. [2022-02-18 15:38:34,568 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) [2022-02-18 15:38:34,568 INFO L276 IsEmpty]: Start isEmpty. Operand 725 states and 1259 transitions. [2022-02-18 15:38:34,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-18 15:38:34,569 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:38:34,569 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] [2022-02-18 15:38:34,569 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable176 [2022-02-18 15:38:34,569 INFO L402 AbstractCegarLoop]: === Iteration 178 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:38:34,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:38:34,569 INFO L85 PathProgramCache]: Analyzing trace with hash -411026429, now seen corresponding path program 8 times [2022-02-18 15:38:34,569 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:38:34,569 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1631543230] [2022-02-18 15:38:34,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:38:34,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:38:34,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:38:34,902 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:38:34,902 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:38:34,902 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1631543230] [2022-02-18 15:38:34,902 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1631543230] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:38:34,902 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:38:34,902 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:38:34,902 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [668407485] [2022-02-18 15:38:34,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:38:34,902 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:38:34,902 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:38:34,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:38:34,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:38:34,903 INFO L87 Difference]: Start difference. First operand 725 states and 1259 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) [2022-02-18 15:38:35,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:38:35,291 INFO L93 Difference]: Finished difference Result 758 states and 1304 transitions. [2022-02-18 15:38:35,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-18 15:38:35,291 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 [2022-02-18 15:38:35,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:38:35,292 INFO L225 Difference]: With dead ends: 758 [2022-02-18 15:38:35,292 INFO L226 Difference]: Without dead ends: 734 [2022-02-18 15:38:35,292 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=54, Invalid=78, Unknown=0, NotChecked=0, Total=132 [2022-02-18 15:38:35,292 INFO L933 BasicCegarLoop]: 97 mSDtfsCounter, 186 mSDsluCounter, 278 mSDsCounter, 0 mSdLazyCounter, 458 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 186 SdHoareTripleChecker+Valid, 375 SdHoareTripleChecker+Invalid, 505 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 458 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-18 15:38:35,293 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [186 Valid, 375 Invalid, 505 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 458 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-18 15:38:35,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 734 states. [2022-02-18 15:38:35,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 734 to 701. [2022-02-18 15:38:35,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 701 states, 697 states have (on average 1.7388809182209468) internal successors, (1212), 700 states have internal predecessors, (1212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:38:35,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 701 states to 701 states and 1212 transitions. [2022-02-18 15:38:35,298 INFO L78 Accepts]: Start accepts. Automaton has 701 states and 1212 transitions. Word has length 113 [2022-02-18 15:38:35,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:38:35,298 INFO L470 AbstractCegarLoop]: Abstraction has 701 states and 1212 transitions. [2022-02-18 15:38:35,298 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) [2022-02-18 15:38:35,298 INFO L276 IsEmpty]: Start isEmpty. Operand 701 states and 1212 transitions. [2022-02-18 15:38:35,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-18 15:38:35,298 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:38:35,298 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:38:35,299 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable177 [2022-02-18 15:38:35,299 INFO L402 AbstractCegarLoop]: === Iteration 179 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:38:35,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:38:35,299 INFO L85 PathProgramCache]: Analyzing trace with hash -201342241, now seen corresponding path program 9 times [2022-02-18 15:38:35,299 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:38:35,299 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1539963950] [2022-02-18 15:38:35,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:38:35,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:38:35,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:38:35,807 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:38:35,807 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:38:35,807 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1539963950] [2022-02-18 15:38:35,807 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1539963950] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:38:35,807 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:38:35,808 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-02-18 15:38:35,808 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486820875] [2022-02-18 15:38:35,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:38:35,808 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-02-18 15:38:35,808 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:38:35,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-02-18 15:38:35,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=250, Unknown=0, NotChecked=0, Total=306 [2022-02-18 15:38:35,808 INFO L87 Difference]: Start difference. First operand 701 states and 1212 transitions. Second operand has 18 states, 17 states have (on average 4.0) internal successors, (68), 18 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:38:37,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:38:37,380 INFO L93 Difference]: Finished difference Result 1290 states and 2262 transitions. [2022-02-18 15:38:37,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-02-18 15:38:37,381 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 4.0) internal successors, (68), 18 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have 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 [2022-02-18 15:38:37,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:38:37,382 INFO L225 Difference]: With dead ends: 1290 [2022-02-18 15:38:37,382 INFO L226 Difference]: Without dead ends: 1275 [2022-02-18 15:38:37,382 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 710 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=825, Invalid=2255, Unknown=0, NotChecked=0, Total=3080 [2022-02-18 15:38:37,382 INFO L933 BasicCegarLoop]: 90 mSDtfsCounter, 788 mSDsluCounter, 546 mSDsCounter, 0 mSdLazyCounter, 940 mSolverCounterSat, 242 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 788 SdHoareTripleChecker+Valid, 636 SdHoareTripleChecker+Invalid, 1182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 242 IncrementalHoareTripleChecker+Valid, 940 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-02-18 15:38:37,382 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [788 Valid, 636 Invalid, 1182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [242 Valid, 940 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-02-18 15:38:37,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1275 states. [2022-02-18 15:38:37,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1275 to 671. [2022-02-18 15:38:37,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 671 states, 667 states have (on average 1.727136431784108) internal successors, (1152), 670 states have internal predecessors, (1152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:38:37,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 671 states to 671 states and 1152 transitions. [2022-02-18 15:38:37,388 INFO L78 Accepts]: Start accepts. Automaton has 671 states and 1152 transitions. Word has length 113 [2022-02-18 15:38:37,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:38:37,388 INFO L470 AbstractCegarLoop]: Abstraction has 671 states and 1152 transitions. [2022-02-18 15:38:37,388 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 4.0) internal successors, (68), 18 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:38:37,388 INFO L276 IsEmpty]: Start isEmpty. Operand 671 states and 1152 transitions. [2022-02-18 15:38:37,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-18 15:38:37,389 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:38:37,389 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:38:37,389 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable178 [2022-02-18 15:38:37,389 INFO L402 AbstractCegarLoop]: === Iteration 180 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:38:37,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:38:37,389 INFO L85 PathProgramCache]: Analyzing trace with hash -2050547738, now seen corresponding path program 8 times [2022-02-18 15:38:37,389 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:38:37,389 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004828739] [2022-02-18 15:38:37,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:38:37,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:38:37,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:38:37,539 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:38:37,540 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:38:37,540 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2004828739] [2022-02-18 15:38:37,540 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2004828739] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:38:37,540 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:38:37,540 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:38:37,540 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [898881510] [2022-02-18 15:38:37,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:38:37,540 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:38:37,540 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:38:37,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:38:37,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:38:37,540 INFO L87 Difference]: Start difference. First operand 671 states and 1152 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) [2022-02-18 15:38:37,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:38:37,751 INFO L93 Difference]: Finished difference Result 1010 states and 1716 transitions. [2022-02-18 15:38:37,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-18 15:38:37,751 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 [2022-02-18 15:38:37,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:38:37,752 INFO L225 Difference]: With dead ends: 1010 [2022-02-18 15:38:37,752 INFO L226 Difference]: Without dead ends: 940 [2022-02-18 15:38:37,752 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:38:37,752 INFO L933 BasicCegarLoop]: 122 mSDtfsCounter, 156 mSDsluCounter, 359 mSDsCounter, 0 mSdLazyCounter, 429 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 481 SdHoareTripleChecker+Invalid, 462 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 429 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-18 15:38:37,752 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [156 Valid, 481 Invalid, 462 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 429 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-18 15:38:37,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 940 states. [2022-02-18 15:38:37,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 940 to 668. [2022-02-18 15:38:37,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 668 states, 664 states have (on average 1.7153614457831325) internal successors, (1139), 667 states have internal predecessors, (1139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:38:37,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 668 states to 668 states and 1139 transitions. [2022-02-18 15:38:37,758 INFO L78 Accepts]: Start accepts. Automaton has 668 states and 1139 transitions. Word has length 113 [2022-02-18 15:38:37,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:38:37,758 INFO L470 AbstractCegarLoop]: Abstraction has 668 states and 1139 transitions. [2022-02-18 15:38:37,758 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) [2022-02-18 15:38:37,758 INFO L276 IsEmpty]: Start isEmpty. Operand 668 states and 1139 transitions. [2022-02-18 15:38:37,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-18 15:38:37,759 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:38:37,759 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:38:37,759 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable179 [2022-02-18 15:38:37,759 INFO L402 AbstractCegarLoop]: === Iteration 181 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:38:37,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:38:37,759 INFO L85 PathProgramCache]: Analyzing trace with hash -1299303816, now seen corresponding path program 9 times [2022-02-18 15:38:37,759 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:38:37,759 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [800975606] [2022-02-18 15:38:37,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:38:37,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:38:37,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:38:37,966 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:38:37,966 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:38:37,966 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [800975606] [2022-02-18 15:38:37,966 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [800975606] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:38:37,966 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:38:37,966 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:38:37,966 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1780867662] [2022-02-18 15:38:37,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:38:37,966 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:38:37,966 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:38:37,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:38:37,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:38:37,967 INFO L87 Difference]: Start difference. First operand 668 states and 1139 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) [2022-02-18 15:38:38,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:38:38,184 INFO L93 Difference]: Finished difference Result 876 states and 1469 transitions. [2022-02-18 15:38:38,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-18 15:38:38,184 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 [2022-02-18 15:38:38,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:38:38,185 INFO L225 Difference]: With dead ends: 876 [2022-02-18 15:38:38,185 INFO L226 Difference]: Without dead ends: 810 [2022-02-18 15:38:38,185 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2022-02-18 15:38:38,186 INFO L933 BasicCegarLoop]: 113 mSDtfsCounter, 228 mSDsluCounter, 238 mSDsCounter, 0 mSdLazyCounter, 385 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 228 SdHoareTripleChecker+Valid, 351 SdHoareTripleChecker+Invalid, 426 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 385 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-18 15:38:38,186 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [228 Valid, 351 Invalid, 426 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 385 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-18 15:38:38,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 810 states. [2022-02-18 15:38:38,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 810 to 650. [2022-02-18 15:38:38,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 650 states, 646 states have (on average 1.7058823529411764) internal successors, (1102), 649 states have internal predecessors, (1102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:38:38,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 650 states and 1102 transitions. [2022-02-18 15:38:38,191 INFO L78 Accepts]: Start accepts. Automaton has 650 states and 1102 transitions. Word has length 113 [2022-02-18 15:38:38,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:38:38,191 INFO L470 AbstractCegarLoop]: Abstraction has 650 states and 1102 transitions. [2022-02-18 15:38:38,191 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) [2022-02-18 15:38:38,191 INFO L276 IsEmpty]: Start isEmpty. Operand 650 states and 1102 transitions. [2022-02-18 15:38:38,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-18 15:38:38,191 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:38:38,191 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:38:38,191 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable180 [2022-02-18 15:38:38,191 INFO L402 AbstractCegarLoop]: === Iteration 182 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:38:38,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:38:38,192 INFO L85 PathProgramCache]: Analyzing trace with hash -1554063770, now seen corresponding path program 10 times [2022-02-18 15:38:38,192 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:38:38,192 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1339582958] [2022-02-18 15:38:38,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:38:38,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:38:38,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:38:38,479 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:38:38,479 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:38:38,479 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1339582958] [2022-02-18 15:38:38,479 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1339582958] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:38:38,480 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:38:38,480 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:38:38,480 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74272013] [2022-02-18 15:38:38,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:38:38,480 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:38:38,480 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:38:38,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:38:38,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:38:38,480 INFO L87 Difference]: Start difference. First operand 650 states and 1102 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) [2022-02-18 15:38:38,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:38:38,713 INFO L93 Difference]: Finished difference Result 746 states and 1238 transitions. [2022-02-18 15:38:38,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-18 15:38:38,714 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 [2022-02-18 15:38:38,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:38:38,714 INFO L225 Difference]: With dead ends: 746 [2022-02-18 15:38:38,715 INFO L226 Difference]: Without dead ends: 692 [2022-02-18 15:38:38,715 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2022-02-18 15:38:38,715 INFO L933 BasicCegarLoop]: 104 mSDtfsCounter, 187 mSDsluCounter, 244 mSDsCounter, 0 mSdLazyCounter, 407 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 187 SdHoareTripleChecker+Valid, 348 SdHoareTripleChecker+Invalid, 447 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 407 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-18 15:38:38,715 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [187 Valid, 348 Invalid, 447 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 407 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-18 15:38:38,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 692 states. [2022-02-18 15:38:38,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 692 to 627. [2022-02-18 15:38:38,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 627 states, 624 states have (on average 1.6810897435897436) internal successors, (1049), 626 states have internal predecessors, (1049), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:38:38,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 627 states to 627 states and 1049 transitions. [2022-02-18 15:38:38,720 INFO L78 Accepts]: Start accepts. Automaton has 627 states and 1049 transitions. Word has length 113 [2022-02-18 15:38:38,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:38:38,720 INFO L470 AbstractCegarLoop]: Abstraction has 627 states and 1049 transitions. [2022-02-18 15:38:38,720 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) [2022-02-18 15:38:38,720 INFO L276 IsEmpty]: Start isEmpty. Operand 627 states and 1049 transitions. [2022-02-18 15:38:38,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-18 15:38:38,721 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:38:38,721 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:38:38,721 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable181 [2022-02-18 15:38:38,721 INFO L402 AbstractCegarLoop]: === Iteration 183 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:38:38,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:38:38,721 INFO L85 PathProgramCache]: Analyzing trace with hash -1979044488, now seen corresponding path program 11 times [2022-02-18 15:38:38,721 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:38:38,721 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537002085] [2022-02-18 15:38:38,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:38:38,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:38:38,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:38:39,028 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:38:39,028 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:38:39,029 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1537002085] [2022-02-18 15:38:39,029 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1537002085] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:38:39,029 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:38:39,029 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:38:39,029 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175041448] [2022-02-18 15:38:39,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:38:39,029 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:38:39,029 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:38:39,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:38:39,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:38:39,029 INFO L87 Difference]: Start difference. First operand 627 states and 1049 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) [2022-02-18 15:38:39,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:38:39,288 INFO L93 Difference]: Finished difference Result 653 states and 1074 transitions. [2022-02-18 15:38:39,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-18 15:38:39,288 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 [2022-02-18 15:38:39,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:38:39,289 INFO L225 Difference]: With dead ends: 653 [2022-02-18 15:38:39,289 INFO L226 Difference]: Without dead ends: 442 [2022-02-18 15:38:39,289 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2022-02-18 15:38:39,289 INFO L933 BasicCegarLoop]: 95 mSDtfsCounter, 138 mSDsluCounter, 293 mSDsCounter, 0 mSdLazyCounter, 395 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 388 SdHoareTripleChecker+Invalid, 436 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 395 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-18 15:38:39,289 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [138 Valid, 388 Invalid, 436 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 395 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-18 15:38:39,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 442 states. [2022-02-18 15:38:39,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 442 to 442. [2022-02-18 15:38:39,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 442 states, 439 states have (on average 1.571753986332574) internal successors, (690), 441 states have internal predecessors, (690), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:38:39,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 442 states and 690 transitions. [2022-02-18 15:38:39,292 INFO L78 Accepts]: Start accepts. Automaton has 442 states and 690 transitions. Word has length 113 [2022-02-18 15:38:39,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:38:39,292 INFO L470 AbstractCegarLoop]: Abstraction has 442 states and 690 transitions. [2022-02-18 15:38:39,292 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) [2022-02-18 15:38:39,293 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 690 transitions. [2022-02-18 15:38:39,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-18 15:38:39,293 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:38:39,293 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:38:39,293 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable182 [2022-02-18 15:38:39,293 INFO L402 AbstractCegarLoop]: === Iteration 184 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:38:39,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:38:39,293 INFO L85 PathProgramCache]: Analyzing trace with hash 1161769807, now seen corresponding path program 10 times [2022-02-18 15:38:39,293 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:38:39,293 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655137282] [2022-02-18 15:38:39,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:38:39,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:38:39,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:38:40,067 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:38:40,068 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:38:40,068 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [655137282] [2022-02-18 15:38:40,068 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [655137282] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:38:40,068 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:38:40,068 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-02-18 15:38:40,068 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963587053] [2022-02-18 15:38:40,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:38:40,068 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-02-18 15:38:40,068 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:38:40,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-02-18 15:38:40,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=251, Unknown=0, NotChecked=0, Total=306 [2022-02-18 15:38:40,069 INFO L87 Difference]: Start difference. First operand 442 states and 690 transitions. Second operand has 18 states, 17 states have (on average 4.0) internal successors, (68), 18 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:38:40,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:38:40,935 INFO L93 Difference]: Finished difference Result 430 states and 667 transitions. [2022-02-18 15:38:40,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-18 15:38:40,935 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 4.0) internal successors, (68), 18 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have 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 [2022-02-18 15:38:40,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:38:40,936 INFO L225 Difference]: With dead ends: 430 [2022-02-18 15:38:40,936 INFO L226 Difference]: Without dead ends: 401 [2022-02-18 15:38:40,936 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 192 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=241, Invalid=881, Unknown=0, NotChecked=0, Total=1122 [2022-02-18 15:38:40,937 INFO L933 BasicCegarLoop]: 76 mSDtfsCounter, 478 mSDsluCounter, 475 mSDsCounter, 0 mSdLazyCounter, 505 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 478 SdHoareTripleChecker+Valid, 551 SdHoareTripleChecker+Invalid, 558 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 505 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-18 15:38:40,937 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [478 Valid, 551 Invalid, 558 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 505 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-18 15:38:40,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2022-02-18 15:38:40,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 401. [2022-02-18 15:38:40,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 401 states, 399 states have (on average 1.581453634085213) internal successors, (631), 400 states have internal predecessors, (631), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:38:40,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 631 transitions. [2022-02-18 15:38:40,940 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 631 transitions. Word has length 113 [2022-02-18 15:38:40,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:38:40,940 INFO L470 AbstractCegarLoop]: Abstraction has 401 states and 631 transitions. [2022-02-18 15:38:40,940 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 4.0) internal successors, (68), 18 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:38:40,940 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 631 transitions. [2022-02-18 15:38:40,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-18 15:38:40,940 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:38:40,941 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:38:40,941 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable183 [2022-02-18 15:38:40,941 INFO L402 AbstractCegarLoop]: === Iteration 185 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:38:40,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:38:40,941 INFO L85 PathProgramCache]: Analyzing trace with hash -1411343793, now seen corresponding path program 18 times [2022-02-18 15:38:40,941 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:38:40,941 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [653453877] [2022-02-18 15:38:40,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:38:40,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:38:40,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:38:41,938 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:38:41,938 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:38:41,938 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [653453877] [2022-02-18 15:38:41,938 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [653453877] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:38:41,938 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:38:41,938 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-02-18 15:38:41,938 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275817048] [2022-02-18 15:38:41,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:38:41,939 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-02-18 15:38:41,939 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:38:41,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-02-18 15:38:41,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=251, Unknown=0, NotChecked=0, Total=306 [2022-02-18 15:38:41,939 INFO L87 Difference]: Start difference. First operand 401 states and 631 transitions. Second operand has 18 states, 17 states have (on average 4.0) internal successors, (68), 18 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:38:42,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:38:42,841 INFO L93 Difference]: Finished difference Result 435 states and 673 transitions. [2022-02-18 15:38:42,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-18 15:38:42,841 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 4.0) internal successors, (68), 18 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have 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 [2022-02-18 15:38:42,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:38:42,841 INFO L225 Difference]: With dead ends: 435 [2022-02-18 15:38:42,841 INFO L226 Difference]: Without dead ends: 412 [2022-02-18 15:38:42,842 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 189 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=224, Invalid=832, Unknown=0, NotChecked=0, Total=1056 [2022-02-18 15:38:42,842 INFO L933 BasicCegarLoop]: 82 mSDtfsCounter, 464 mSDsluCounter, 337 mSDsCounter, 0 mSdLazyCounter, 454 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 464 SdHoareTripleChecker+Valid, 418 SdHoareTripleChecker+Invalid, 554 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 454 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-18 15:38:42,842 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [464 Valid, 418 Invalid, 554 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 454 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-18 15:38:42,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 412 states. [2022-02-18 15:38:42,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 412 to 400. [2022-02-18 15:38:42,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 400 states, 398 states have (on average 1.5804020100502512) internal successors, (629), 399 states have internal predecessors, (629), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:38:42,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 400 states and 629 transitions. [2022-02-18 15:38:42,845 INFO L78 Accepts]: Start accepts. Automaton has 400 states and 629 transitions. Word has length 113 [2022-02-18 15:38:42,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:38:42,845 INFO L470 AbstractCegarLoop]: Abstraction has 400 states and 629 transitions. [2022-02-18 15:38:42,845 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 4.0) internal successors, (68), 18 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:38:42,845 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 629 transitions. [2022-02-18 15:38:42,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-18 15:38:42,846 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:38:42,846 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:38:42,846 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable184 [2022-02-18 15:38:42,846 INFO L402 AbstractCegarLoop]: === Iteration 186 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:38:42,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:38:42,846 INFO L85 PathProgramCache]: Analyzing trace with hash -475281101, now seen corresponding path program 19 times [2022-02-18 15:38:42,846 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:38:42,846 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1084990097] [2022-02-18 15:38:42,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:38:42,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:38:42,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:38:43,271 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:38:43,271 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:38:43,271 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1084990097] [2022-02-18 15:38:43,271 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1084990097] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:38:43,271 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:38:43,271 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:38:43,271 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2006511747] [2022-02-18 15:38:43,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:38:43,272 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:38:43,272 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:38:43,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:38:43,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:38:43,272 INFO L87 Difference]: Start difference. First operand 400 states and 629 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) [2022-02-18 15:38:43,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:38:43,852 INFO L93 Difference]: Finished difference Result 456 states and 714 transitions. [2022-02-18 15:38:43,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-18 15:38:43,852 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 [2022-02-18 15:38:43,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:38:43,852 INFO L225 Difference]: With dead ends: 456 [2022-02-18 15:38:43,853 INFO L226 Difference]: Without dead ends: 411 [2022-02-18 15:38:43,853 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=84, Invalid=126, Unknown=0, NotChecked=0, Total=210 [2022-02-18 15:38:43,853 INFO L933 BasicCegarLoop]: 93 mSDtfsCounter, 159 mSDsluCounter, 256 mSDsCounter, 0 mSdLazyCounter, 346 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 348 SdHoareTripleChecker+Invalid, 404 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 346 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-18 15:38:43,853 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [159 Valid, 348 Invalid, 404 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 346 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-18 15:38:43,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 411 states. [2022-02-18 15:38:43,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 411 to 399. [2022-02-18 15:38:43,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 399 states, 397 states have (on average 1.579345088161209) internal successors, (627), 398 states have internal predecessors, (627), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:38:43,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 399 states and 627 transitions. [2022-02-18 15:38:43,856 INFO L78 Accepts]: Start accepts. Automaton has 399 states and 627 transitions. Word has length 113 [2022-02-18 15:38:43,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:38:43,856 INFO L470 AbstractCegarLoop]: Abstraction has 399 states and 627 transitions. [2022-02-18 15:38:43,856 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) [2022-02-18 15:38:43,856 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 627 transitions. [2022-02-18 15:38:43,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-18 15:38:43,857 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:38:43,857 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:38:43,857 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable185 [2022-02-18 15:38:43,857 INFO L402 AbstractCegarLoop]: === Iteration 187 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:38:43,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:38:43,857 INFO L85 PathProgramCache]: Analyzing trace with hash -2052086971, now seen corresponding path program 20 times [2022-02-18 15:38:43,857 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:38:43,857 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1800932764] [2022-02-18 15:38:43,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:38:43,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:38:43,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:38:44,744 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:38:44,744 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:38:44,744 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1800932764] [2022-02-18 15:38:44,744 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1800932764] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:38:44,744 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:38:44,744 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-02-18 15:38:44,744 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310968053] [2022-02-18 15:38:44,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:38:44,745 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-02-18 15:38:44,745 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:38:44,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-02-18 15:38:44,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=251, Unknown=0, NotChecked=0, Total=306 [2022-02-18 15:38:44,745 INFO L87 Difference]: Start difference. First operand 399 states and 627 transitions. Second operand has 18 states, 17 states have (on average 4.0) internal successors, (68), 18 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:38:45,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:38:45,833 INFO L93 Difference]: Finished difference Result 477 states and 755 transitions. [2022-02-18 15:38:45,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-18 15:38:45,833 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 4.0) internal successors, (68), 18 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have 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 [2022-02-18 15:38:45,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:38:45,834 INFO L225 Difference]: With dead ends: 477 [2022-02-18 15:38:45,834 INFO L226 Difference]: Without dead ends: 410 [2022-02-18 15:38:45,834 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 189 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=224, Invalid=832, Unknown=0, NotChecked=0, Total=1056 [2022-02-18 15:38:45,834 INFO L933 BasicCegarLoop]: 94 mSDtfsCounter, 424 mSDsluCounter, 603 mSDsCounter, 0 mSdLazyCounter, 768 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 424 SdHoareTripleChecker+Valid, 696 SdHoareTripleChecker+Invalid, 870 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 768 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-18 15:38:45,834 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [424 Valid, 696 Invalid, 870 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 768 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-18 15:38:45,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 410 states. [2022-02-18 15:38:45,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 410 to 398. [2022-02-18 15:38:45,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 398 states, 396 states have (on average 1.5782828282828283) internal successors, (625), 397 states have internal predecessors, (625), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:38:45,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 398 states and 625 transitions. [2022-02-18 15:38:45,837 INFO L78 Accepts]: Start accepts. Automaton has 398 states and 625 transitions. Word has length 113 [2022-02-18 15:38:45,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:38:45,837 INFO L470 AbstractCegarLoop]: Abstraction has 398 states and 625 transitions. [2022-02-18 15:38:45,837 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 4.0) internal successors, (68), 18 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:38:45,838 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 625 transitions. [2022-02-18 15:38:45,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-18 15:38:45,838 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:38:45,838 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:38:45,838 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable186 [2022-02-18 15:38:45,838 INFO L402 AbstractCegarLoop]: === Iteration 188 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:38:45,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:38:45,838 INFO L85 PathProgramCache]: Analyzing trace with hash -1075298299, now seen corresponding path program 21 times [2022-02-18 15:38:45,838 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:38:45,838 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [463175944] [2022-02-18 15:38:45,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:38:45,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:38:45,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:38:46,265 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:38:46,265 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:38:46,265 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [463175944] [2022-02-18 15:38:46,265 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [463175944] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:38:46,265 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:38:46,265 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:38:46,265 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1619641959] [2022-02-18 15:38:46,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:38:46,265 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:38:46,265 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:38:46,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:38:46,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=53, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:38:46,266 INFO L87 Difference]: Start difference. First operand 398 states and 625 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) [2022-02-18 15:38:46,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:38:46,687 INFO L93 Difference]: Finished difference Result 394 states and 615 transitions. [2022-02-18 15:38:46,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-18 15:38:46,688 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 [2022-02-18 15:38:46,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:38:46,688 INFO L225 Difference]: With dead ends: 394 [2022-02-18 15:38:46,688 INFO L226 Difference]: Without dead ends: 294 [2022-02-18 15:38:46,688 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=64, Invalid=92, Unknown=0, NotChecked=0, Total=156 [2022-02-18 15:38:46,688 INFO L933 BasicCegarLoop]: 95 mSDtfsCounter, 141 mSDsluCounter, 301 mSDsCounter, 0 mSdLazyCounter, 330 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 395 SdHoareTripleChecker+Invalid, 389 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 330 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-18 15:38:46,688 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [141 Valid, 395 Invalid, 389 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 330 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-18 15:38:46,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2022-02-18 15:38:46,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 282. [2022-02-18 15:38:46,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 282 states, 281 states have (on average 1.5338078291814947) internal successors, (431), 281 states have internal predecessors, (431), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:38:46,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 431 transitions. [2022-02-18 15:38:46,691 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 431 transitions. Word has length 113 [2022-02-18 15:38:46,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:38:46,691 INFO L470 AbstractCegarLoop]: Abstraction has 282 states and 431 transitions. [2022-02-18 15:38:46,691 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) [2022-02-18 15:38:46,691 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 431 transitions. [2022-02-18 15:38:46,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-18 15:38:46,691 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:38:46,691 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:38:46,691 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable187 [2022-02-18 15:38:46,691 INFO L402 AbstractCegarLoop]: === Iteration 189 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:38:46,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:38:46,692 INFO L85 PathProgramCache]: Analyzing trace with hash 2043784166, now seen corresponding path program 12 times [2022-02-18 15:38:46,692 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:38:46,692 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1596793938] [2022-02-18 15:38:46,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:38:46,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:38:46,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:38:47,158 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:38:47,158 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:38:47,158 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1596793938] [2022-02-18 15:38:47,158 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1596793938] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:38:47,158 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:38:47,158 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:38:47,158 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607932086] [2022-02-18 15:38:47,158 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:38:47,158 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:38:47,159 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:38:47,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:38:47,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:38:47,159 INFO L87 Difference]: Start difference. First operand 282 states and 431 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) [2022-02-18 15:38:47,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:38:47,584 INFO L93 Difference]: Finished difference Result 308 states and 456 transitions. [2022-02-18 15:38:47,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-18 15:38:47,584 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 [2022-02-18 15:38:47,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:38:47,585 INFO L225 Difference]: With dead ends: 308 [2022-02-18 15:38:47,585 INFO L226 Difference]: Without dead ends: 279 [2022-02-18 15:38:47,585 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=79, Invalid=131, Unknown=0, NotChecked=0, Total=210 [2022-02-18 15:38:47,585 INFO L933 BasicCegarLoop]: 95 mSDtfsCounter, 178 mSDsluCounter, 197 mSDsCounter, 0 mSdLazyCounter, 215 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 178 SdHoareTripleChecker+Valid, 292 SdHoareTripleChecker+Invalid, 303 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 215 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-18 15:38:47,585 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [178 Valid, 292 Invalid, 303 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 215 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-18 15:38:47,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279 states. [2022-02-18 15:38:47,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 279 to 279. [2022-02-18 15:38:47,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 279 states, 278 states have (on average 1.5287769784172662) internal successors, (425), 278 states have internal predecessors, (425), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:38:47,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 425 transitions. [2022-02-18 15:38:47,587 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 425 transitions. Word has length 113 [2022-02-18 15:38:47,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:38:47,587 INFO L470 AbstractCegarLoop]: Abstraction has 279 states and 425 transitions. [2022-02-18 15:38:47,587 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) [2022-02-18 15:38:47,587 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 425 transitions. [2022-02-18 15:38:47,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-18 15:38:47,588 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:38:47,588 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:38:47,588 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable188 [2022-02-18 15:38:47,588 INFO L402 AbstractCegarLoop]: === Iteration 190 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:38:47,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:38:47,588 INFO L85 PathProgramCache]: Analyzing trace with hash 1402505128, now seen corresponding path program 13 times [2022-02-18 15:38:47,588 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:38:47,588 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061791346] [2022-02-18 15:38:47,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:38:47,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:38:47,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:38:48,280 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:38:48,280 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:38:48,280 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1061791346] [2022-02-18 15:38:48,281 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1061791346] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:38:48,281 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:38:48,281 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:38:48,281 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [544961804] [2022-02-18 15:38:48,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:38:48,281 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:38:48,281 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:38:48,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:38:48,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:38:48,281 INFO L87 Difference]: Start difference. First operand 279 states and 425 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) [2022-02-18 15:38:48,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:38:48,668 INFO L93 Difference]: Finished difference Result 331 states and 501 transitions. [2022-02-18 15:38:48,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-18 15:38:48,669 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 [2022-02-18 15:38:48,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:38:48,669 INFO L225 Difference]: With dead ends: 331 [2022-02-18 15:38:48,669 INFO L226 Difference]: Without dead ends: 276 [2022-02-18 15:38:48,669 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=71, Invalid=111, Unknown=0, NotChecked=0, Total=182 [2022-02-18 15:38:48,669 INFO L933 BasicCegarLoop]: 99 mSDtfsCounter, 132 mSDsluCounter, 297 mSDsCounter, 0 mSdLazyCounter, 254 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 396 SdHoareTripleChecker+Invalid, 321 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 254 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-18 15:38:48,669 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [132 Valid, 396 Invalid, 321 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 254 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-18 15:38:48,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2022-02-18 15:38:48,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 276. [2022-02-18 15:38:48,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 276 states, 275 states have (on average 1.5236363636363637) internal successors, (419), 275 states have internal predecessors, (419), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:38:48,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 419 transitions. [2022-02-18 15:38:48,672 INFO L78 Accepts]: Start accepts. Automaton has 276 states and 419 transitions. Word has length 113 [2022-02-18 15:38:48,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:38:48,672 INFO L470 AbstractCegarLoop]: Abstraction has 276 states and 419 transitions. [2022-02-18 15:38:48,672 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) [2022-02-18 15:38:48,672 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 419 transitions. [2022-02-18 15:38:48,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-18 15:38:48,672 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:38:48,672 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:38:48,672 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable189 [2022-02-18 15:38:48,672 INFO L402 AbstractCegarLoop]: === Iteration 191 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:38:48,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:38:48,673 INFO L85 PathProgramCache]: Analyzing trace with hash 313665092, now seen corresponding path program 14 times [2022-02-18 15:38:48,673 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:38:48,673 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1134499949] [2022-02-18 15:38:48,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:38:48,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:38:48,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:38:49,199 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:38:49,199 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:38:49,200 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1134499949] [2022-02-18 15:38:49,200 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1134499949] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:38:49,200 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:38:49,200 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:38:49,200 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1902284224] [2022-02-18 15:38:49,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:38:49,200 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:38:49,200 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:38:49,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:38:49,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:38:49,200 INFO L87 Difference]: Start difference. First operand 276 states and 419 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) [2022-02-18 15:38:49,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:38:49,622 INFO L93 Difference]: Finished difference Result 354 states and 546 transitions. [2022-02-18 15:38:49,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-18 15:38:49,622 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 [2022-02-18 15:38:49,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:38:49,622 INFO L225 Difference]: With dead ends: 354 [2022-02-18 15:38:49,622 INFO L226 Difference]: Without dead ends: 273 [2022-02-18 15:38:49,622 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=63, Invalid=93, Unknown=0, NotChecked=0, Total=156 [2022-02-18 15:38:49,623 INFO L933 BasicCegarLoop]: 103 mSDtfsCounter, 146 mSDsluCounter, 299 mSDsCounter, 0 mSdLazyCounter, 240 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 402 SdHoareTripleChecker+Invalid, 316 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 240 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-18 15:38:49,623 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [146 Valid, 402 Invalid, 316 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 240 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-18 15:38:49,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2022-02-18 15:38:49,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 273. [2022-02-18 15:38:49,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 273 states, 272 states have (on average 1.5183823529411764) internal successors, (413), 272 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) [2022-02-18 15:38:49,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 413 transitions. [2022-02-18 15:38:49,625 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 413 transitions. Word has length 113 [2022-02-18 15:38:49,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:38:49,625 INFO L470 AbstractCegarLoop]: Abstraction has 273 states and 413 transitions. [2022-02-18 15:38:49,625 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) [2022-02-18 15:38:49,625 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 413 transitions. [2022-02-18 15:38:49,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-18 15:38:49,625 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:38:49,625 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:38:49,625 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable190 [2022-02-18 15:38:49,625 INFO L402 AbstractCegarLoop]: === Iteration 192 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:38:49,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:38:49,626 INFO L85 PathProgramCache]: Analyzing trace with hash -681075510, now seen corresponding path program 15 times [2022-02-18 15:38:49,626 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:38:49,626 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1867475301] [2022-02-18 15:38:49,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:38:49,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:38:49,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:38:50,092 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:38:50,092 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:38:50,092 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1867475301] [2022-02-18 15:38:50,093 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1867475301] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:38:50,093 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:38:50,093 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:38:50,093 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846614458] [2022-02-18 15:38:50,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:38:50,093 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:38:50,093 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:38:50,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:38:50,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=53, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:38:50,094 INFO L87 Difference]: Start difference. First operand 273 states and 413 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) [2022-02-18 15:38:50,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:38:50,362 INFO L93 Difference]: Finished difference Result 253 states and 374 transitions. [2022-02-18 15:38:50,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-18 15:38:50,362 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 [2022-02-18 15:38:50,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:38:50,362 INFO L225 Difference]: With dead ends: 253 [2022-02-18 15:38:50,362 INFO L226 Difference]: Without dead ends: 0 [2022-02-18 15:38:50,362 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=55, Invalid=77, Unknown=0, NotChecked=0, Total=132 [2022-02-18 15:38:50,363 INFO L933 BasicCegarLoop]: 101 mSDtfsCounter, 119 mSDsluCounter, 234 mSDsCounter, 0 mSdLazyCounter, 182 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 335 SdHoareTripleChecker+Invalid, 236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 182 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-18 15:38:50,363 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [119 Valid, 335 Invalid, 236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 182 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-18 15:38:50,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-02-18 15:38:50,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-02-18 15:38:50,363 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) [2022-02-18 15:38:50,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-02-18 15:38:50,363 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 113 [2022-02-18 15:38:50,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:38:50,363 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-02-18 15:38:50,363 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) [2022-02-18 15:38:50,363 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-02-18 15:38:50,363 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-18 15:38:50,365 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (6 of 7 remaining) [2022-02-18 15:38:50,366 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining) [2022-02-18 15:38:50,366 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (4 of 7 remaining) [2022-02-18 15:38:50,366 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 7 remaining) [2022-02-18 15:38:50,366 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining) [2022-02-18 15:38:50,366 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining) [2022-02-18 15:38:50,366 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining) [2022-02-18 15:38:50,366 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable191 [2022-02-18 15:38:50,368 INFO L732 BasicCegarLoop]: Path program histogram: [21, 21, 21, 20, 20, 15, 14, 13, 12, 10, 6, 6, 4, 2, 2, 2, 1, 1, 1] [2022-02-18 15:38:50,370 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-18 15:38:50,370 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-18 15:38:50,371 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.02 03:38:50 BasicIcfg [2022-02-18 15:38:50,372 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-18 15:38:50,372 INFO L158 Benchmark]: Toolchain (without parser) took 198547.87ms. Allocated memory was 177.2MB in the beginning and 647.0MB in the end (delta: 469.8MB). Free memory was 118.1MB in the beginning and 439.6MB in the end (delta: -321.5MB). Peak memory consumption was 149.1MB. Max. memory is 8.0GB. [2022-02-18 15:38:50,372 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 177.2MB. Free memory is still 136.8MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-18 15:38:50,372 INFO L158 Benchmark]: CACSL2BoogieTranslator took 453.82ms. Allocated memory was 177.2MB in the beginning and 254.8MB in the end (delta: 77.6MB). Free memory was 118.0MB in the beginning and 208.3MB in the end (delta: -90.3MB). Peak memory consumption was 12.3MB. Max. memory is 8.0GB. [2022-02-18 15:38:50,372 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.02ms. Allocated memory is still 254.8MB. Free memory was 208.3MB in the beginning and 205.7MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-18 15:38:50,372 INFO L158 Benchmark]: Boogie Preprocessor took 21.96ms. Allocated memory is still 254.8MB. Free memory was 205.7MB in the beginning and 203.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-18 15:38:50,372 INFO L158 Benchmark]: RCFGBuilder took 288.25ms. Allocated memory is still 254.8MB. Free memory was 203.6MB in the beginning and 188.9MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2022-02-18 15:38:50,372 INFO L158 Benchmark]: TraceAbstraction took 197714.79ms. Allocated memory was 254.8MB in the beginning and 647.0MB in the end (delta: 392.2MB). Free memory was 188.4MB in the beginning and 439.6MB in the end (delta: -251.2MB). Peak memory consumption was 140.4MB. Max. memory is 8.0GB. [2022-02-18 15:38:50,373 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 177.2MB. Free memory is still 136.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 453.82ms. Allocated memory was 177.2MB in the beginning and 254.8MB in the end (delta: 77.6MB). Free memory was 118.0MB in the beginning and 208.3MB in the end (delta: -90.3MB). Peak memory consumption was 12.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 61.02ms. Allocated memory is still 254.8MB. Free memory was 208.3MB in the beginning and 205.7MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 21.96ms. Allocated memory is still 254.8MB. Free memory was 205.7MB in the beginning and 203.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 288.25ms. Allocated memory is still 254.8MB. Free memory was 203.6MB in the beginning and 188.9MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * TraceAbstraction took 197714.79ms. Allocated memory was 254.8MB in the beginning and 647.0MB in the end (delta: 392.2MB). Free memory was 188.4MB in the beginning and 439.6MB in the end (delta: -251.2MB). Peak memory consumption was 140.4MB. 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: 943]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 943]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 931]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 931]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 138 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 197.6s, OverallIterations: 192, TraceHistogramMax: 10, PathProgramHistogramMax: 21, EmptinessCheckTime: 0.2s, AutomataDifference: 125.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 55406 SdHoareTripleChecker+Valid, 72.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 55406 mSDsluCounter, 115516 SdHoareTripleChecker+Invalid, 61.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 91517 mSDsCounter, 12077 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 116828 IncrementalHoareTripleChecker+Invalid, 128905 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12077 mSolverCounterUnsat, 24322 mSDtfsCounter, 116828 mSolverCounterSat, 0.4s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4870 GetRequests, 1077 SyntacticMatches, 1 SemanticMatches, 3792 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24116 ImplicationChecksByTransitivity, 75.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1276occurred in iteration=130, InterpolantAutomatonStates: 2826, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.1s AutomataMinimizationTime, 192 MinimizatonAttempts, 50660 StatesRemovedByMinimization, 182 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 2.0s SatisfiabilityAnalysisTime, 63.7s InterpolantComputationTime, 21291 NumberOfCodeBlocks, 21241 NumberOfCodeBlocksAsserted, 197 NumberOfCheckSat, 21274 ConstructedInterpolants, 0 QuantifiedInterpolants, 312617 SizeOfPredicates, 22 NumberOfNonLiveVariables, 681 ConjunctsInSsa, 62 ConjunctsInUnsatCore, 200 InterpolantComputations, 189 PerfectInterpolantSequences, 43605/44128 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! [2022-02-18 15:38:50,419 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...