/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.check.absence.of.data.races.in.concurrent.programs true --cacsl2boogietranslator.check.unreachability.of.error.function.in.sv-comp.mode false -i ../../../trunk/examples/svcomp/goblint-regression/09-regions_05-ptra_rc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-4b0ab11 [2022-03-01 16:50:16,252 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-01 16:50:16,254 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-01 16:50:16,288 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-03-01 16:50:16,300 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-01 16:50:16,301 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-01 16:50:16,302 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-01 16:50:16,305 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-01 16:50:16,306 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-01 16:50:16,306 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-01 16:50:16,308 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-01 16:50:16,311 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-01 16:50:16,312 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-01 16:50:16,316 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-01 16:50:16,317 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-01 16:50:16,317 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-01 16:50:16,322 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-03-01 16:50:16,328 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-01 16:50:16,328 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-01 16:50:16,328 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-01 16:50:16,329 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf [2022-03-01 16:50:16,350 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-01 16:50:16,350 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-01 16:50:16,351 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-01 16:50:16,351 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-01 16:50:16,351 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-01 16:50:16,352 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-01 16:50:16,352 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-01 16:50:16,352 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-01 16:50:16,352 INFO L138 SettingsManager]: * Use SBE=true [2022-03-01 16:50:16,352 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-01 16:50:16,353 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-01 16:50:16,353 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-01 16:50:16,353 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-01 16:50:16,353 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-01 16:50:16,353 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-01 16:50:16,353 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-01 16:50:16,353 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-01 16:50:16,353 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-01 16:50:16,353 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-01 16:50:16,353 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-01 16:50:16,354 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-01 16:50:16,354 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-01 16:50:16,354 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-01 16:50:16,354 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-01 16:50:16,355 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-01 16:50:16,355 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-01 16:50:16,355 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-01 16:50:16,355 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-01 16:50:16,355 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-01 16:50:16,355 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-01 16:50:16,355 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-01 16:50:16,355 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-01 16:50:16,355 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-01 16:50:16,356 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2022-03-01 16:50:16,520 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-01 16:50:16,535 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-01 16:50:16,537 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-01 16:50:16,538 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-01 16:50:16,539 INFO L275 PluginConnector]: CDTParser initialized [2022-03-01 16:50:16,539 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/09-regions_05-ptra_rc.i [2022-03-01 16:50:16,599 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b19bb10cd/e80cf9e33e1f4aeebbe641bf65d16948/FLAG50fef3a70 [2022-03-01 16:50:17,014 INFO L306 CDTParser]: Found 1 translation units. [2022-03-01 16:50:17,014 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/09-regions_05-ptra_rc.i [2022-03-01 16:50:17,026 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b19bb10cd/e80cf9e33e1f4aeebbe641bf65d16948/FLAG50fef3a70 [2022-03-01 16:50:17,037 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b19bb10cd/e80cf9e33e1f4aeebbe641bf65d16948 [2022-03-01 16:50:17,039 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-01 16:50:17,040 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-01 16:50:17,042 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-01 16:50:17,042 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-01 16:50:17,044 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-01 16:50:17,045 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.03 04:50:17" (1/1) ... [2022-03-01 16:50:17,046 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26d22c10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:50:17, skipping insertion in model container [2022-03-01 16:50:17,046 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.03 04:50:17" (1/1) ... [2022-03-01 16:50:17,050 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-01 16:50:17,083 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-01 16:50:17,465 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-01 16:50:17,472 INFO L203 MainTranslator]: Completed pre-run [2022-03-01 16:50:17,512 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-01 16:50:17,558 INFO L208 MainTranslator]: Completed translation [2022-03-01 16:50:17,559 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:50:17 WrapperNode [2022-03-01 16:50:17,559 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-01 16:50:17,559 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-01 16:50:17,560 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-01 16:50:17,560 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-01 16:50:17,564 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:50:17" (1/1) ... [2022-03-01 16:50:17,586 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:50:17" (1/1) ... [2022-03-01 16:50:17,612 INFO L137 Inliner]: procedures = 369, calls = 42, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 212 [2022-03-01 16:50:17,612 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-01 16:50:17,613 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-01 16:50:17,613 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-01 16:50:17,613 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-01 16:50:17,621 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:50:17" (1/1) ... [2022-03-01 16:50:17,621 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:50:17" (1/1) ... [2022-03-01 16:50:17,625 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:50:17" (1/1) ... [2022-03-01 16:50:17,626 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:50:17" (1/1) ... [2022-03-01 16:50:17,639 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:50:17" (1/1) ... [2022-03-01 16:50:17,640 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:50:17" (1/1) ... [2022-03-01 16:50:17,642 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:50:17" (1/1) ... [2022-03-01 16:50:17,655 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-01 16:50:17,656 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-01 16:50:17,656 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-01 16:50:17,656 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-01 16:50:17,656 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:50:17" (1/1) ... [2022-03-01 16:50:17,666 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-01 16:50:17,673 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 16:50:17,684 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-03-01 16:50:17,686 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-03-01 16:50:17,715 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-01 16:50:17,715 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-03-01 16:50:17,715 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-01 16:50:17,715 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-01 16:50:17,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-01 16:50:17,715 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-03-01 16:50:17,715 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-03-01 16:50:17,715 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-01 16:50:17,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-03-01 16:50:17,715 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-03-01 16:50:17,716 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-03-01 16:50:17,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-01 16:50:17,716 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-01 16:50:17,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-01 16:50:17,719 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-01 16:50:17,810 INFO L234 CfgBuilder]: Building ICFG [2022-03-01 16:50:17,811 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-01 16:50:18,124 INFO L275 CfgBuilder]: Performing block encoding [2022-03-01 16:50:18,130 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-01 16:50:18,131 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-01 16:50:18,132 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.03 04:50:18 BoogieIcfgContainer [2022-03-01 16:50:18,132 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-01 16:50:18,133 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-01 16:50:18,133 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-01 16:50:18,139 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-01 16:50:18,139 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.03 04:50:17" (1/3) ... [2022-03-01 16:50:18,139 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f034b0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.03 04:50:18, skipping insertion in model container [2022-03-01 16:50:18,140 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:50:17" (2/3) ... [2022-03-01 16:50:18,140 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f034b0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.03 04:50:18, skipping insertion in model container [2022-03-01 16:50:18,140 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.03 04:50:18" (3/3) ... [2022-03-01 16:50:18,141 INFO L111 eAbstractionObserver]: Analyzing ICFG 09-regions_05-ptra_rc.i [2022-03-01 16:50:18,147 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-01 16:50:18,147 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-01 16:50:18,148 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 22 error locations. [2022-03-01 16:50:18,148 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-01 16:50:18,199 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,199 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,199 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,199 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,199 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,199 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,200 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,200 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,200 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~ip~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,200 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~ip~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,200 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~ip~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,200 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~ip~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,201 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,201 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,201 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,201 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,201 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,201 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,201 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~sp~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,202 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~sp~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,202 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,202 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,202 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~sp~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,202 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~sp~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,203 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,203 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,203 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,203 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,203 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc33#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,203 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc33#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,203 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc33#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,204 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc33#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,204 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc33#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,204 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc33#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,204 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,204 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,204 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc33#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,204 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc33#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,204 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,204 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,205 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc33#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,205 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc33#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,205 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc33#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,205 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc33#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,206 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,206 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,206 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,206 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,206 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,206 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,206 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,206 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,206 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,206 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,207 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,207 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,207 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,207 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,207 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,207 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,207 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,207 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,207 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,207 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,208 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,208 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,208 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,209 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,209 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,209 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,209 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,209 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,209 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,209 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,210 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,210 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,210 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,210 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,210 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,210 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,210 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,210 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,210 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,210 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,211 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,211 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,211 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,211 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,212 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,212 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,214 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,214 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,214 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,219 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,219 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,219 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,219 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,219 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,220 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,220 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,220 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,220 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,220 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,220 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,220 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,220 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,220 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,221 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,221 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,221 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,221 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,221 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,221 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,221 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,222 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,222 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,222 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,222 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,222 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,222 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,222 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,222 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,222 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,222 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,223 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,223 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,223 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,223 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,223 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,223 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,223 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,223 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,223 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,223 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,223 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,223 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,223 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,224 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,224 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,224 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,224 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,224 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,224 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,224 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,224 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,224 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,224 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,224 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,224 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,225 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,225 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,225 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,225 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,225 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,225 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,226 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,226 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,226 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,226 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,226 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,226 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,226 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,226 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,226 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,227 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,227 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,227 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,227 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,227 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,227 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,227 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem35#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,227 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem35#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,228 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem35#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,228 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem35#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,228 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem35#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,228 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem35#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,228 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,228 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,228 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem35#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,228 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem35#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,228 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,228 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,229 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem35#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,229 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem35#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,229 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem35#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,229 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem35#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,229 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~sp~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,229 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~sp~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,229 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~sp~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,229 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~sp~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,229 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,229 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,229 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,230 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,230 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,230 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,230 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,230 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,230 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,230 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,230 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,230 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,231 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,231 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,231 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,231 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,231 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,231 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~sp~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,231 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,231 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~sp~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,231 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,231 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~sp~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,231 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,231 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~sp~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,232 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,232 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,232 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~sp~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,235 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~sp~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,235 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,235 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~sp~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,236 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~sp~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,236 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,236 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~sp~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,243 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~sp~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,243 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,243 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~sp~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,243 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~sp~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,243 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,244 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~sp~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,244 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~sp~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,244 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,244 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~sp~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,244 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~sp~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,244 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,244 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~sp~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,244 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~sp~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,244 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,244 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~sp~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,244 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~sp~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,244 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,244 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~sp~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,244 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~sp~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,244 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,245 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~sp~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,245 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~sp~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,245 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,245 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~sp~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,245 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~sp~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,245 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,245 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~sp~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,245 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~sp~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,245 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,245 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,245 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,245 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,246 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,246 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,246 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,248 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,248 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,248 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,248 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~sp~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,248 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,248 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,248 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~sp~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,248 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,248 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem35#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,248 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,249 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,249 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,249 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~ip~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,249 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,249 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,249 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc33#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,249 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,249 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,249 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,249 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,249 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,249 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,249 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc33#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,249 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,249 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,249 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem35#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,249 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,250 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~ip~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,250 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:50:18,251 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-03-01 16:50:18,285 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-01 16:50:18,311 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mLazyFiniteAutomaton=false, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true [2022-03-01 16:50:18,311 INFO L340 AbstractCegarLoop]: Starting to check reachability of 30 error locations. [2022-03-01 16:50:18,323 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 254 places, 250 transitions, 505 flow [2022-03-01 16:50:18,410 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 2585 states, 2542 states have (on average 1.9350904799370574) internal successors, (4919), 2584 states have internal predecessors, (4919), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:18,415 INFO L276 IsEmpty]: Start isEmpty. Operand has 2585 states, 2542 states have (on average 1.9350904799370574) internal successors, (4919), 2584 states have internal predecessors, (4919), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:18,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-03-01 16:50:18,420 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:18,420 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:50:18,421 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:50:18,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:18,424 INFO L85 PathProgramCache]: Analyzing trace with hash 610496887, now seen corresponding path program 1 times [2022-03-01 16:50:18,430 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:18,430 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1804815620] [2022-03-01 16:50:18,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:18,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:18,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:18,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:50:18,754 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:18,754 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1804815620] [2022-03-01 16:50:18,755 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1804815620] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:18,755 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:18,755 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-01 16:50:18,756 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15565748] [2022-03-01 16:50:18,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:18,759 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-01 16:50:18,760 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:18,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-01 16:50:18,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-03-01 16:50:18,785 INFO L87 Difference]: Start difference. First operand has 2585 states, 2542 states have (on average 1.9350904799370574) internal successors, (4919), 2584 states have internal predecessors, (4919), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 5 states have (on average 9.4) internal successors, (47), 6 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:18,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:18,965 INFO L93 Difference]: Finished difference Result 2582 states and 4916 transitions. [2022-03-01 16:50:18,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-01 16:50:18,967 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.4) internal successors, (47), 6 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 47 [2022-03-01 16:50:18,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:18,994 INFO L225 Difference]: With dead ends: 2582 [2022-03-01 16:50:18,994 INFO L226 Difference]: Without dead ends: 2582 [2022-03-01 16:50:18,995 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-03-01 16:50:18,999 INFO L933 BasicCegarLoop]: 233 mSDtfsCounter, 9 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 379 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:19,000 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 379 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-01 16:50:19,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2582 states. [2022-03-01 16:50:19,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2582 to 2582. [2022-03-01 16:50:19,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2582 states, 2542 states have (on average 1.9339103068450039) internal successors, (4916), 2581 states have internal predecessors, (4916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:19,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2582 states to 2582 states and 4916 transitions. [2022-03-01 16:50:19,127 INFO L78 Accepts]: Start accepts. Automaton has 2582 states and 4916 transitions. Word has length 47 [2022-03-01 16:50:19,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:19,128 INFO L470 AbstractCegarLoop]: Abstraction has 2582 states and 4916 transitions. [2022-03-01 16:50:19,128 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.4) internal successors, (47), 6 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:19,128 INFO L276 IsEmpty]: Start isEmpty. Operand 2582 states and 4916 transitions. [2022-03-01 16:50:19,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-03-01 16:50:19,129 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:19,129 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:50:19,129 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-01 16:50:19,129 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:50:19,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:19,132 INFO L85 PathProgramCache]: Analyzing trace with hash -2061078139, now seen corresponding path program 1 times [2022-03-01 16:50:19,132 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:19,132 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1570370936] [2022-03-01 16:50:19,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:19,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:19,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:19,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:50:19,276 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:19,277 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1570370936] [2022-03-01 16:50:19,277 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1570370936] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:19,277 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:19,277 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-01 16:50:19,277 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1355633648] [2022-03-01 16:50:19,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:19,279 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-01 16:50:19,279 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:19,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-01 16:50:19,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-03-01 16:50:19,282 INFO L87 Difference]: Start difference. First operand 2582 states and 4916 transitions. Second operand has 6 states, 5 states have (on average 11.0) internal successors, (55), 6 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:19,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:19,479 INFO L93 Difference]: Finished difference Result 2579 states and 4913 transitions. [2022-03-01 16:50:19,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-01 16:50:19,480 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.0) internal successors, (55), 6 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2022-03-01 16:50:19,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:19,487 INFO L225 Difference]: With dead ends: 2579 [2022-03-01 16:50:19,487 INFO L226 Difference]: Without dead ends: 2579 [2022-03-01 16:50:19,488 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-03-01 16:50:19,488 INFO L933 BasicCegarLoop]: 230 mSDtfsCounter, 6 mSDsluCounter, 441 mSDsCounter, 0 mSdLazyCounter, 271 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 668 SdHoareTripleChecker+Invalid, 286 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 271 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:19,489 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6 Valid, 668 Invalid, 286 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 271 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-01 16:50:19,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2579 states. [2022-03-01 16:50:19,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2579 to 2579. [2022-03-01 16:50:19,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2579 states, 2542 states have (on average 1.9327301337529503) internal successors, (4913), 2578 states have internal predecessors, (4913), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:19,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2579 states to 2579 states and 4913 transitions. [2022-03-01 16:50:19,555 INFO L78 Accepts]: Start accepts. Automaton has 2579 states and 4913 transitions. Word has length 55 [2022-03-01 16:50:19,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:19,556 INFO L470 AbstractCegarLoop]: Abstraction has 2579 states and 4913 transitions. [2022-03-01 16:50:19,556 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.0) internal successors, (55), 6 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:19,556 INFO L276 IsEmpty]: Start isEmpty. Operand 2579 states and 4913 transitions. [2022-03-01 16:50:19,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-03-01 16:50:19,557 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:19,557 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:50:19,557 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-01 16:50:19,557 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:50:19,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:19,558 INFO L85 PathProgramCache]: Analyzing trace with hash -467481932, now seen corresponding path program 1 times [2022-03-01 16:50:19,558 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:19,558 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1780940869] [2022-03-01 16:50:19,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:19,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:19,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:19,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:50:19,591 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:19,591 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1780940869] [2022-03-01 16:50:19,591 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1780940869] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:19,591 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:19,591 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-01 16:50:19,591 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077429379] [2022-03-01 16:50:19,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:19,592 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-01 16:50:19,592 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:19,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-01 16:50:19,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-01 16:50:19,592 INFO L87 Difference]: Start difference. First operand 2579 states and 4913 transitions. Second operand has 3 states, 2 states have (on average 31.0) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:19,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:19,616 INFO L93 Difference]: Finished difference Result 2578 states and 4912 transitions. [2022-03-01 16:50:19,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-01 16:50:19,616 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 31.0) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 62 [2022-03-01 16:50:19,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:19,624 INFO L225 Difference]: With dead ends: 2578 [2022-03-01 16:50:19,624 INFO L226 Difference]: Without dead ends: 2578 [2022-03-01 16:50:19,624 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-01 16:50:19,625 INFO L933 BasicCegarLoop]: 240 mSDtfsCounter, 2 mSDsluCounter, 221 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 460 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:19,625 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 460 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-01 16:50:19,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2578 states. [2022-03-01 16:50:19,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2578 to 2578. [2022-03-01 16:50:19,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2578 states, 2542 states have (on average 1.932336742722266) internal successors, (4912), 2577 states have internal predecessors, (4912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:19,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2578 states to 2578 states and 4912 transitions. [2022-03-01 16:50:19,668 INFO L78 Accepts]: Start accepts. Automaton has 2578 states and 4912 transitions. Word has length 62 [2022-03-01 16:50:19,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:19,668 INFO L470 AbstractCegarLoop]: Abstraction has 2578 states and 4912 transitions. [2022-03-01 16:50:19,668 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 31.0) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:19,668 INFO L276 IsEmpty]: Start isEmpty. Operand 2578 states and 4912 transitions. [2022-03-01 16:50:19,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-03-01 16:50:19,669 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:19,669 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:50:19,669 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-03-01 16:50:19,669 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:50:19,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:19,670 INFO L85 PathProgramCache]: Analyzing trace with hash 741524576, now seen corresponding path program 1 times [2022-03-01 16:50:19,670 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:19,670 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1747078824] [2022-03-01 16:50:19,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:19,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:19,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:19,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:50:19,701 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:19,701 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1747078824] [2022-03-01 16:50:19,701 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1747078824] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:19,701 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:19,702 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-01 16:50:19,702 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1037503629] [2022-03-01 16:50:19,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:19,702 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-01 16:50:19,702 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:19,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-01 16:50:19,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-01 16:50:19,703 INFO L87 Difference]: Start difference. First operand 2578 states and 4912 transitions. Second operand has 3 states, 2 states have (on average 33.0) internal successors, (66), 3 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:19,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:19,723 INFO L93 Difference]: Finished difference Result 2437 states and 4635 transitions. [2022-03-01 16:50:19,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-01 16:50:19,723 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 33.0) internal successors, (66), 3 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2022-03-01 16:50:19,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:19,730 INFO L225 Difference]: With dead ends: 2437 [2022-03-01 16:50:19,730 INFO L226 Difference]: Without dead ends: 2437 [2022-03-01 16:50:19,731 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-01 16:50:19,731 INFO L933 BasicCegarLoop]: 231 mSDtfsCounter, 168 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 168 SdHoareTripleChecker+Valid, 293 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:19,731 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [168 Valid, 293 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-01 16:50:19,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2437 states. [2022-03-01 16:50:19,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2437 to 2437. [2022-03-01 16:50:19,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2437 states, 2417 states have (on average 1.9176665287546546) internal successors, (4635), 2436 states have internal predecessors, (4635), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:19,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2437 states to 2437 states and 4635 transitions. [2022-03-01 16:50:19,771 INFO L78 Accepts]: Start accepts. Automaton has 2437 states and 4635 transitions. Word has length 66 [2022-03-01 16:50:19,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:19,771 INFO L470 AbstractCegarLoop]: Abstraction has 2437 states and 4635 transitions. [2022-03-01 16:50:19,771 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 33.0) internal successors, (66), 3 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:19,771 INFO L276 IsEmpty]: Start isEmpty. Operand 2437 states and 4635 transitions. [2022-03-01 16:50:19,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-03-01 16:50:19,772 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:19,772 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:50:19,772 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-03-01 16:50:19,772 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:50:19,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:19,773 INFO L85 PathProgramCache]: Analyzing trace with hash 518088406, now seen corresponding path program 1 times [2022-03-01 16:50:19,773 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:19,773 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017622634] [2022-03-01 16:50:19,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:19,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:19,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:19,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:50:19,905 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:19,905 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1017622634] [2022-03-01 16:50:19,905 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1017622634] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:19,905 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:19,905 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-01 16:50:19,905 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569563584] [2022-03-01 16:50:19,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:19,905 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-01 16:50:19,906 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:19,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-01 16:50:19,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-03-01 16:50:19,906 INFO L87 Difference]: Start difference. First operand 2437 states and 4635 transitions. Second operand has 6 states, 5 states have (on average 19.4) internal successors, (97), 6 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:20,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:20,068 INFO L93 Difference]: Finished difference Result 2436 states and 4634 transitions. [2022-03-01 16:50:20,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-01 16:50:20,068 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 19.4) internal successors, (97), 6 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 97 [2022-03-01 16:50:20,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:20,075 INFO L225 Difference]: With dead ends: 2436 [2022-03-01 16:50:20,075 INFO L226 Difference]: Without dead ends: 2436 [2022-03-01 16:50:20,076 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-03-01 16:50:20,077 INFO L933 BasicCegarLoop]: 231 mSDtfsCounter, 2 mSDsluCounter, 447 mSDsCounter, 0 mSdLazyCounter, 258 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 675 SdHoareTripleChecker+Invalid, 261 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 258 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:20,078 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 675 Invalid, 261 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 258 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-01 16:50:20,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2436 states. [2022-03-01 16:50:20,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2436 to 2436. [2022-03-01 16:50:20,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2436 states, 2417 states have (on average 1.9172527927182457) internal successors, (4634), 2435 states have internal predecessors, (4634), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:20,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2436 states to 2436 states and 4634 transitions. [2022-03-01 16:50:20,114 INFO L78 Accepts]: Start accepts. Automaton has 2436 states and 4634 transitions. Word has length 97 [2022-03-01 16:50:20,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:20,115 INFO L470 AbstractCegarLoop]: Abstraction has 2436 states and 4634 transitions. [2022-03-01 16:50:20,115 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 19.4) internal successors, (97), 6 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:20,115 INFO L276 IsEmpty]: Start isEmpty. Operand 2436 states and 4634 transitions. [2022-03-01 16:50:20,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-03-01 16:50:20,119 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:20,119 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:50:20,119 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-03-01 16:50:20,119 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:50:20,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:20,120 INFO L85 PathProgramCache]: Analyzing trace with hash 563099613, now seen corresponding path program 1 times [2022-03-01 16:50:20,120 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:20,120 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [586945359] [2022-03-01 16:50:20,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:20,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:20,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:20,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:50:20,191 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:20,191 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [586945359] [2022-03-01 16:50:20,191 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [586945359] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:20,191 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:20,191 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-01 16:50:20,191 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1033583439] [2022-03-01 16:50:20,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:20,192 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-01 16:50:20,192 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:20,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-01 16:50:20,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-01 16:50:20,192 INFO L87 Difference]: Start difference. First operand 2436 states and 4634 transitions. Second operand has 3 states, 2 states have (on average 51.5) internal successors, (103), 3 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:20,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:20,205 INFO L93 Difference]: Finished difference Result 2435 states and 4633 transitions. [2022-03-01 16:50:20,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-01 16:50:20,205 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 51.5) internal successors, (103), 3 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 103 [2022-03-01 16:50:20,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:20,213 INFO L225 Difference]: With dead ends: 2435 [2022-03-01 16:50:20,213 INFO L226 Difference]: Without dead ends: 2435 [2022-03-01 16:50:20,214 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-01 16:50:20,216 INFO L933 BasicCegarLoop]: 233 mSDtfsCounter, 2 mSDsluCounter, 226 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 458 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:20,217 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 458 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-01 16:50:20,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2435 states. [2022-03-01 16:50:20,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2435 to 2435. [2022-03-01 16:50:20,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2435 states, 2417 states have (on average 1.916839056681837) internal successors, (4633), 2434 states have internal predecessors, (4633), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:20,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2435 states to 2435 states and 4633 transitions. [2022-03-01 16:50:20,262 INFO L78 Accepts]: Start accepts. Automaton has 2435 states and 4633 transitions. Word has length 103 [2022-03-01 16:50:20,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:20,262 INFO L470 AbstractCegarLoop]: Abstraction has 2435 states and 4633 transitions. [2022-03-01 16:50:20,263 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 51.5) internal successors, (103), 3 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:20,263 INFO L276 IsEmpty]: Start isEmpty. Operand 2435 states and 4633 transitions. [2022-03-01 16:50:20,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-03-01 16:50:20,267 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:20,267 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:50:20,268 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-03-01 16:50:20,268 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:50:20,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:20,268 INFO L85 PathProgramCache]: Analyzing trace with hash -313359700, now seen corresponding path program 1 times [2022-03-01 16:50:20,268 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:20,269 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1892911954] [2022-03-01 16:50:20,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:20,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:20,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:20,323 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:50:20,323 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:20,323 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1892911954] [2022-03-01 16:50:20,323 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1892911954] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:20,323 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:20,324 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-01 16:50:20,324 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1875696929] [2022-03-01 16:50:20,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:20,324 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-01 16:50:20,324 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:20,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-01 16:50:20,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-01 16:50:20,324 INFO L87 Difference]: Start difference. First operand 2435 states and 4633 transitions. Second operand has 3 states, 2 states have (on average 53.5) internal successors, (107), 3 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:20,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:20,353 INFO L93 Difference]: Finished difference Result 2434 states and 4632 transitions. [2022-03-01 16:50:20,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-01 16:50:20,353 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 53.5) internal successors, (107), 3 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 107 [2022-03-01 16:50:20,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:20,360 INFO L225 Difference]: With dead ends: 2434 [2022-03-01 16:50:20,360 INFO L226 Difference]: Without dead ends: 2434 [2022-03-01 16:50:20,360 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-01 16:50:20,362 INFO L933 BasicCegarLoop]: 232 mSDtfsCounter, 128 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 335 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:20,362 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [128 Valid, 335 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-01 16:50:20,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2434 states. [2022-03-01 16:50:20,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2434 to 2434. [2022-03-01 16:50:20,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2434 states, 2417 states have (on average 1.9164253206454283) internal successors, (4632), 2433 states have internal predecessors, (4632), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:20,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2434 states to 2434 states and 4632 transitions. [2022-03-01 16:50:20,402 INFO L78 Accepts]: Start accepts. Automaton has 2434 states and 4632 transitions. Word has length 107 [2022-03-01 16:50:20,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:20,402 INFO L470 AbstractCegarLoop]: Abstraction has 2434 states and 4632 transitions. [2022-03-01 16:50:20,402 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 53.5) internal successors, (107), 3 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:20,403 INFO L276 IsEmpty]: Start isEmpty. Operand 2434 states and 4632 transitions. [2022-03-01 16:50:20,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2022-03-01 16:50:20,404 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:20,404 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:50:20,404 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-03-01 16:50:20,404 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:50:20,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:20,405 INFO L85 PathProgramCache]: Analyzing trace with hash 147558708, now seen corresponding path program 1 times [2022-03-01 16:50:20,405 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:20,405 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1452662269] [2022-03-01 16:50:20,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:20,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:20,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:20,553 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:50:20,554 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:20,554 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1452662269] [2022-03-01 16:50:20,554 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1452662269] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:20,554 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:20,554 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-01 16:50:20,554 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1085228226] [2022-03-01 16:50:20,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:20,554 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-01 16:50:20,554 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:20,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-01 16:50:20,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-03-01 16:50:20,555 INFO L87 Difference]: Start difference. First operand 2434 states and 4632 transitions. Second operand has 6 states, 5 states have (on average 29.4) internal successors, (147), 6 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:20,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:20,854 INFO L93 Difference]: Finished difference Result 3561 states and 6799 transitions. [2022-03-01 16:50:20,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-01 16:50:20,854 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 29.4) internal successors, (147), 6 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 147 [2022-03-01 16:50:20,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:20,866 INFO L225 Difference]: With dead ends: 3561 [2022-03-01 16:50:20,867 INFO L226 Difference]: Without dead ends: 3561 [2022-03-01 16:50:20,867 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-03-01 16:50:20,867 INFO L933 BasicCegarLoop]: 363 mSDtfsCounter, 285 mSDsluCounter, 400 mSDsCounter, 0 mSdLazyCounter, 393 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 285 SdHoareTripleChecker+Valid, 762 SdHoareTripleChecker+Invalid, 452 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 393 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:20,867 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [285 Valid, 762 Invalid, 452 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 393 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-01 16:50:20,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3561 states. [2022-03-01 16:50:20,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3561 to 2563. [2022-03-01 16:50:20,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2563 states, 2549 states have (on average 1.916437818752452) internal successors, (4885), 2562 states have internal predecessors, (4885), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:20,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2563 states to 2563 states and 4885 transitions. [2022-03-01 16:50:20,918 INFO L78 Accepts]: Start accepts. Automaton has 2563 states and 4885 transitions. Word has length 147 [2022-03-01 16:50:20,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:20,919 INFO L470 AbstractCegarLoop]: Abstraction has 2563 states and 4885 transitions. [2022-03-01 16:50:20,919 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 29.4) internal successors, (147), 6 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:20,919 INFO L276 IsEmpty]: Start isEmpty. Operand 2563 states and 4885 transitions. [2022-03-01 16:50:20,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2022-03-01 16:50:20,920 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:20,921 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:50:20,921 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-03-01 16:50:20,921 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:50:20,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:20,921 INFO L85 PathProgramCache]: Analyzing trace with hash 753120510, now seen corresponding path program 1 times [2022-03-01 16:50:20,921 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:20,921 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171354897] [2022-03-01 16:50:20,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:20,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:20,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:21,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:50:21,006 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:21,006 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1171354897] [2022-03-01 16:50:21,006 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1171354897] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:21,006 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:21,006 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-01 16:50:21,006 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307980309] [2022-03-01 16:50:21,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:21,006 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-01 16:50:21,006 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:21,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-01 16:50:21,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-03-01 16:50:21,007 INFO L87 Difference]: Start difference. First operand 2563 states and 4885 transitions. Second operand has 6 states, 5 states have (on average 30.6) internal successors, (153), 6 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:21,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:21,186 INFO L93 Difference]: Finished difference Result 2675 states and 5104 transitions. [2022-03-01 16:50:21,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-01 16:50:21,188 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 30.6) internal successors, (153), 6 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 153 [2022-03-01 16:50:21,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:21,194 INFO L225 Difference]: With dead ends: 2675 [2022-03-01 16:50:21,194 INFO L226 Difference]: Without dead ends: 2675 [2022-03-01 16:50:21,195 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-03-01 16:50:21,195 INFO L933 BasicCegarLoop]: 312 mSDtfsCounter, 103 mSDsluCounter, 363 mSDsCounter, 0 mSdLazyCounter, 294 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 675 SdHoareTripleChecker+Invalid, 301 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 294 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:21,195 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [103 Valid, 675 Invalid, 301 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 294 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-01 16:50:21,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2675 states. [2022-03-01 16:50:21,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2675 to 2648. [2022-03-01 16:50:21,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2648 states, 2634 states have (on average 1.9176157934700075) internal successors, (5051), 2647 states have internal predecessors, (5051), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:21,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2648 states to 2648 states and 5051 transitions. [2022-03-01 16:50:21,235 INFO L78 Accepts]: Start accepts. Automaton has 2648 states and 5051 transitions. Word has length 153 [2022-03-01 16:50:21,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:21,235 INFO L470 AbstractCegarLoop]: Abstraction has 2648 states and 5051 transitions. [2022-03-01 16:50:21,235 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 30.6) internal successors, (153), 6 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:21,235 INFO L276 IsEmpty]: Start isEmpty. Operand 2648 states and 5051 transitions. [2022-03-01 16:50:21,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2022-03-01 16:50:21,236 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:21,236 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:50:21,236 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-03-01 16:50:21,236 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:50:21,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:21,237 INFO L85 PathProgramCache]: Analyzing trace with hash 2099992973, now seen corresponding path program 1 times [2022-03-01 16:50:21,237 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:21,237 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [907973181] [2022-03-01 16:50:21,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:21,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:21,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:21,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:50:21,339 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:21,339 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [907973181] [2022-03-01 16:50:21,339 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [907973181] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:21,339 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:21,339 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-01 16:50:21,339 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [237322791] [2022-03-01 16:50:21,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:21,340 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-01 16:50:21,340 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:21,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-01 16:50:21,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-03-01 16:50:21,340 INFO L87 Difference]: Start difference. First operand 2648 states and 5051 transitions. Second operand has 6 states, 5 states have (on average 31.2) internal successors, (156), 6 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:21,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:21,620 INFO L93 Difference]: Finished difference Result 3289 states and 6265 transitions. [2022-03-01 16:50:21,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-01 16:50:21,620 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 31.2) internal successors, (156), 6 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 156 [2022-03-01 16:50:21,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:21,626 INFO L225 Difference]: With dead ends: 3289 [2022-03-01 16:50:21,626 INFO L226 Difference]: Without dead ends: 3174 [2022-03-01 16:50:21,626 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-03-01 16:50:21,627 INFO L933 BasicCegarLoop]: 380 mSDtfsCounter, 206 mSDsluCounter, 452 mSDsCounter, 0 mSdLazyCounter, 468 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 206 SdHoareTripleChecker+Valid, 830 SdHoareTripleChecker+Invalid, 490 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 468 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:21,627 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [206 Valid, 830 Invalid, 490 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 468 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-01 16:50:21,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3174 states. [2022-03-01 16:50:21,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3174 to 2724. [2022-03-01 16:50:21,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2724 states, 2710 states have (on average 1.9166051660516605) internal successors, (5194), 2723 states have internal predecessors, (5194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:21,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2724 states to 2724 states and 5194 transitions. [2022-03-01 16:50:21,664 INFO L78 Accepts]: Start accepts. Automaton has 2724 states and 5194 transitions. Word has length 156 [2022-03-01 16:50:21,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:21,664 INFO L470 AbstractCegarLoop]: Abstraction has 2724 states and 5194 transitions. [2022-03-01 16:50:21,664 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 31.2) internal successors, (156), 6 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:21,664 INFO L276 IsEmpty]: Start isEmpty. Operand 2724 states and 5194 transitions. [2022-03-01 16:50:21,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2022-03-01 16:50:21,666 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:21,666 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:50:21,666 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-03-01 16:50:21,666 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:50:21,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:21,666 INFO L85 PathProgramCache]: Analyzing trace with hash -1018956669, now seen corresponding path program 1 times [2022-03-01 16:50:21,666 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:21,666 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1248077057] [2022-03-01 16:50:21,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:21,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:21,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:21,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:50:21,749 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:21,749 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1248077057] [2022-03-01 16:50:21,749 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1248077057] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:21,749 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:21,749 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-01 16:50:21,749 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421752509] [2022-03-01 16:50:21,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:21,750 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-01 16:50:21,750 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:21,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-01 16:50:21,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-03-01 16:50:21,750 INFO L87 Difference]: Start difference. First operand 2724 states and 5194 transitions. Second operand has 6 states, 5 states have (on average 32.2) internal successors, (161), 6 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:21,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:21,921 INFO L93 Difference]: Finished difference Result 2838 states and 5417 transitions. [2022-03-01 16:50:21,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-01 16:50:21,921 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 32.2) internal successors, (161), 6 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 161 [2022-03-01 16:50:21,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:21,930 INFO L225 Difference]: With dead ends: 2838 [2022-03-01 16:50:21,930 INFO L226 Difference]: Without dead ends: 2838 [2022-03-01 16:50:21,931 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-03-01 16:50:21,931 INFO L933 BasicCegarLoop]: 312 mSDtfsCounter, 102 mSDsluCounter, 384 mSDsCounter, 0 mSdLazyCounter, 299 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 696 SdHoareTripleChecker+Invalid, 305 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 299 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:21,931 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [102 Valid, 696 Invalid, 305 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 299 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-01 16:50:21,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2838 states. [2022-03-01 16:50:21,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2838 to 2808. [2022-03-01 16:50:21,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2808 states, 2794 states have (on average 1.917680744452398) internal successors, (5358), 2807 states have internal predecessors, (5358), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:21,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2808 states to 2808 states and 5358 transitions. [2022-03-01 16:50:21,969 INFO L78 Accepts]: Start accepts. Automaton has 2808 states and 5358 transitions. Word has length 161 [2022-03-01 16:50:21,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:21,969 INFO L470 AbstractCegarLoop]: Abstraction has 2808 states and 5358 transitions. [2022-03-01 16:50:21,970 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 32.2) internal successors, (161), 6 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:21,970 INFO L276 IsEmpty]: Start isEmpty. Operand 2808 states and 5358 transitions. [2022-03-01 16:50:21,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-01 16:50:21,971 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:21,971 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:50:21,971 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-03-01 16:50:21,971 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:50:21,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:21,971 INFO L85 PathProgramCache]: Analyzing trace with hash -1501485524, now seen corresponding path program 1 times [2022-03-01 16:50:21,972 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:21,972 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [486127988] [2022-03-01 16:50:21,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:21,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:22,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:22,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:50:22,279 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:22,280 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [486127988] [2022-03-01 16:50:22,280 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [486127988] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:22,280 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:22,280 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-03-01 16:50:22,280 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1231688496] [2022-03-01 16:50:22,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:22,280 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-03-01 16:50:22,280 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:22,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-03-01 16:50:22,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2022-03-01 16:50:22,281 INFO L87 Difference]: Start difference. First operand 2808 states and 5358 transitions. Second operand has 12 states, 11 states have (on average 14.818181818181818) internal successors, (163), 12 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:23,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:23,194 INFO L93 Difference]: Finished difference Result 4093 states and 7839 transitions. [2022-03-01 16:50:23,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-03-01 16:50:23,194 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 14.818181818181818) internal successors, (163), 12 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-03-01 16:50:23,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:23,201 INFO L225 Difference]: With dead ends: 4093 [2022-03-01 16:50:23,202 INFO L226 Difference]: Without dead ends: 4093 [2022-03-01 16:50:23,202 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 137 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=237, Invalid=693, Unknown=0, NotChecked=0, Total=930 [2022-03-01 16:50:23,202 INFO L933 BasicCegarLoop]: 359 mSDtfsCounter, 569 mSDsluCounter, 1355 mSDsCounter, 0 mSdLazyCounter, 1215 mSolverCounterSat, 124 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 569 SdHoareTripleChecker+Valid, 1712 SdHoareTripleChecker+Invalid, 1339 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 124 IncrementalHoareTripleChecker+Valid, 1215 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:23,203 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [569 Valid, 1712 Invalid, 1339 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [124 Valid, 1215 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-03-01 16:50:23,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4093 states. [2022-03-01 16:50:23,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4093 to 2819. [2022-03-01 16:50:23,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2819 states, 2805 states have (on average 1.9180035650623886) internal successors, (5380), 2818 states have internal predecessors, (5380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:23,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2819 states to 2819 states and 5380 transitions. [2022-03-01 16:50:23,246 INFO L78 Accepts]: Start accepts. Automaton has 2819 states and 5380 transitions. Word has length 163 [2022-03-01 16:50:23,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:23,246 INFO L470 AbstractCegarLoop]: Abstraction has 2819 states and 5380 transitions. [2022-03-01 16:50:23,246 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 14.818181818181818) internal successors, (163), 12 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:23,246 INFO L276 IsEmpty]: Start isEmpty. Operand 2819 states and 5380 transitions. [2022-03-01 16:50:23,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-01 16:50:23,248 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:23,248 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:50:23,248 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-03-01 16:50:23,248 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:50:23,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:23,248 INFO L85 PathProgramCache]: Analyzing trace with hash -1601525624, now seen corresponding path program 2 times [2022-03-01 16:50:23,248 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:23,248 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1415192466] [2022-03-01 16:50:23,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:23,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:23,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:23,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:50:23,442 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:23,442 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1415192466] [2022-03-01 16:50:23,442 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1415192466] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:23,442 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:23,442 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-01 16:50:23,443 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [276798257] [2022-03-01 16:50:23,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:23,443 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-01 16:50:23,443 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:23,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-01 16:50:23,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2022-03-01 16:50:23,443 INFO L87 Difference]: Start difference. First operand 2819 states and 5380 transitions. Second operand has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:24,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:24,530 INFO L93 Difference]: Finished difference Result 5153 states and 9919 transitions. [2022-03-01 16:50:24,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-03-01 16:50:24,530 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-03-01 16:50:24,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:24,539 INFO L225 Difference]: With dead ends: 5153 [2022-03-01 16:50:24,539 INFO L226 Difference]: Without dead ends: 5153 [2022-03-01 16:50:24,540 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 220 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=219, Invalid=837, Unknown=0, NotChecked=0, Total=1056 [2022-03-01 16:50:24,540 INFO L933 BasicCegarLoop]: 317 mSDtfsCounter, 729 mSDsluCounter, 1824 mSDsCounter, 0 mSdLazyCounter, 1691 mSolverCounterSat, 293 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 729 SdHoareTripleChecker+Valid, 2137 SdHoareTripleChecker+Invalid, 1984 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 293 IncrementalHoareTripleChecker+Valid, 1691 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:24,540 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [729 Valid, 2137 Invalid, 1984 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [293 Valid, 1691 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-03-01 16:50:24,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5153 states. [2022-03-01 16:50:24,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5153 to 2899. [2022-03-01 16:50:24,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2899 states, 2885 states have (on average 1.921317157712305) internal successors, (5543), 2898 states have internal predecessors, (5543), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:24,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2899 states to 2899 states and 5543 transitions. [2022-03-01 16:50:24,593 INFO L78 Accepts]: Start accepts. Automaton has 2899 states and 5543 transitions. Word has length 163 [2022-03-01 16:50:24,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:24,594 INFO L470 AbstractCegarLoop]: Abstraction has 2899 states and 5543 transitions. [2022-03-01 16:50:24,594 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:24,594 INFO L276 IsEmpty]: Start isEmpty. Operand 2899 states and 5543 transitions. [2022-03-01 16:50:24,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-01 16:50:24,595 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:24,596 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:50:24,596 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-03-01 16:50:24,596 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:50:24,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:24,596 INFO L85 PathProgramCache]: Analyzing trace with hash -1276622584, now seen corresponding path program 3 times [2022-03-01 16:50:24,596 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:24,596 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1594839085] [2022-03-01 16:50:24,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:24,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:24,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:24,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:50:24,799 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:24,799 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1594839085] [2022-03-01 16:50:24,799 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1594839085] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:24,799 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:24,799 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-01 16:50:24,799 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [895190256] [2022-03-01 16:50:24,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:24,800 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-01 16:50:24,800 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:24,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-01 16:50:24,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2022-03-01 16:50:24,800 INFO L87 Difference]: Start difference. First operand 2899 states and 5543 transitions. Second operand has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:25,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:25,978 INFO L93 Difference]: Finished difference Result 5145 states and 9907 transitions. [2022-03-01 16:50:25,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-03-01 16:50:25,979 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-03-01 16:50:25,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:25,987 INFO L225 Difference]: With dead ends: 5145 [2022-03-01 16:50:25,987 INFO L226 Difference]: Without dead ends: 5145 [2022-03-01 16:50:25,988 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 214 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=228, Invalid=828, Unknown=0, NotChecked=0, Total=1056 [2022-03-01 16:50:25,989 INFO L933 BasicCegarLoop]: 321 mSDtfsCounter, 641 mSDsluCounter, 1990 mSDsCounter, 0 mSdLazyCounter, 1692 mSolverCounterSat, 220 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 641 SdHoareTripleChecker+Valid, 2308 SdHoareTripleChecker+Invalid, 1912 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 220 IncrementalHoareTripleChecker+Valid, 1692 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:25,990 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [641 Valid, 2308 Invalid, 1912 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [220 Valid, 1692 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-03-01 16:50:25,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5145 states. [2022-03-01 16:50:26,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5145 to 2905. [2022-03-01 16:50:26,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2905 states, 2891 states have (on average 1.9214804565894155) internal successors, (5555), 2904 states have internal predecessors, (5555), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:26,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2905 states to 2905 states and 5555 transitions. [2022-03-01 16:50:26,038 INFO L78 Accepts]: Start accepts. Automaton has 2905 states and 5555 transitions. Word has length 163 [2022-03-01 16:50:26,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:26,038 INFO L470 AbstractCegarLoop]: Abstraction has 2905 states and 5555 transitions. [2022-03-01 16:50:26,038 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:26,039 INFO L276 IsEmpty]: Start isEmpty. Operand 2905 states and 5555 transitions. [2022-03-01 16:50:26,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-01 16:50:26,040 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:26,040 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:50:26,040 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-03-01 16:50:26,040 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:50:26,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:26,041 INFO L85 PathProgramCache]: Analyzing trace with hash -450842524, now seen corresponding path program 4 times [2022-03-01 16:50:26,041 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:26,041 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208635840] [2022-03-01 16:50:26,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:26,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:26,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:26,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:50:26,228 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:26,228 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1208635840] [2022-03-01 16:50:26,228 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1208635840] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:26,228 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:26,228 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-01 16:50:26,228 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [326128066] [2022-03-01 16:50:26,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:26,229 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-01 16:50:26,229 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:26,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-01 16:50:26,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2022-03-01 16:50:26,230 INFO L87 Difference]: Start difference. First operand 2905 states and 5555 transitions. Second operand has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:27,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:27,412 INFO L93 Difference]: Finished difference Result 5240 states and 10097 transitions. [2022-03-01 16:50:27,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-03-01 16:50:27,413 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-03-01 16:50:27,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:27,427 INFO L225 Difference]: With dead ends: 5240 [2022-03-01 16:50:27,427 INFO L226 Difference]: Without dead ends: 5240 [2022-03-01 16:50:27,428 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 234 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=236, Invalid=886, Unknown=0, NotChecked=0, Total=1122 [2022-03-01 16:50:27,428 INFO L933 BasicCegarLoop]: 331 mSDtfsCounter, 592 mSDsluCounter, 2216 mSDsCounter, 0 mSdLazyCounter, 1940 mSolverCounterSat, 232 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 592 SdHoareTripleChecker+Valid, 2543 SdHoareTripleChecker+Invalid, 2172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 232 IncrementalHoareTripleChecker+Valid, 1940 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:27,428 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [592 Valid, 2543 Invalid, 2172 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [232 Valid, 1940 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-03-01 16:50:27,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5240 states. [2022-03-01 16:50:27,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5240 to 2905. [2022-03-01 16:50:27,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2905 states, 2891 states have (on average 1.9214804565894155) internal successors, (5555), 2904 states have internal predecessors, (5555), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:27,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2905 states to 2905 states and 5555 transitions. [2022-03-01 16:50:27,473 INFO L78 Accepts]: Start accepts. Automaton has 2905 states and 5555 transitions. Word has length 163 [2022-03-01 16:50:27,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:27,473 INFO L470 AbstractCegarLoop]: Abstraction has 2905 states and 5555 transitions. [2022-03-01 16:50:27,473 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:27,473 INFO L276 IsEmpty]: Start isEmpty. Operand 2905 states and 5555 transitions. [2022-03-01 16:50:27,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-01 16:50:27,475 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:27,475 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:50:27,475 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-03-01 16:50:27,476 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:50:27,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:27,476 INFO L85 PathProgramCache]: Analyzing trace with hash 1293423976, now seen corresponding path program 5 times [2022-03-01 16:50:27,476 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:27,476 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [968962788] [2022-03-01 16:50:27,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:27,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:27,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:27,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:50:27,664 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:27,664 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [968962788] [2022-03-01 16:50:27,665 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [968962788] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:27,666 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:27,666 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-01 16:50:27,666 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [160375115] [2022-03-01 16:50:27,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:27,666 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-01 16:50:27,666 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:27,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-01 16:50:27,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2022-03-01 16:50:27,667 INFO L87 Difference]: Start difference. First operand 2905 states and 5555 transitions. Second operand has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:28,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:28,730 INFO L93 Difference]: Finished difference Result 5268 states and 10147 transitions. [2022-03-01 16:50:28,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-03-01 16:50:28,730 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-03-01 16:50:28,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:28,737 INFO L225 Difference]: With dead ends: 5268 [2022-03-01 16:50:28,738 INFO L226 Difference]: Without dead ends: 5268 [2022-03-01 16:50:28,738 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 263 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=277, Invalid=983, Unknown=0, NotChecked=0, Total=1260 [2022-03-01 16:50:28,738 INFO L933 BasicCegarLoop]: 335 mSDtfsCounter, 762 mSDsluCounter, 1775 mSDsCounter, 0 mSdLazyCounter, 1497 mSolverCounterSat, 284 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 762 SdHoareTripleChecker+Valid, 2107 SdHoareTripleChecker+Invalid, 1781 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 284 IncrementalHoareTripleChecker+Valid, 1497 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:28,739 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [762 Valid, 2107 Invalid, 1781 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [284 Valid, 1497 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-03-01 16:50:28,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5268 states. [2022-03-01 16:50:28,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5268 to 2916. [2022-03-01 16:50:28,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2916 states, 2902 states have (on average 1.9217780840799448) internal successors, (5577), 2915 states have internal predecessors, (5577), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:28,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2916 states to 2916 states and 5577 transitions. [2022-03-01 16:50:28,781 INFO L78 Accepts]: Start accepts. Automaton has 2916 states and 5577 transitions. Word has length 163 [2022-03-01 16:50:28,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:28,781 INFO L470 AbstractCegarLoop]: Abstraction has 2916 states and 5577 transitions. [2022-03-01 16:50:28,782 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:28,782 INFO L276 IsEmpty]: Start isEmpty. Operand 2916 states and 5577 transitions. [2022-03-01 16:50:28,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-01 16:50:28,783 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:28,783 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:50:28,783 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-03-01 16:50:28,783 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:50:28,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:28,784 INFO L85 PathProgramCache]: Analyzing trace with hash 1203879622, now seen corresponding path program 6 times [2022-03-01 16:50:28,784 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:28,784 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [511354974] [2022-03-01 16:50:28,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:28,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:28,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:28,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:50:28,952 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:28,952 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [511354974] [2022-03-01 16:50:28,952 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [511354974] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:28,952 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:28,952 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-01 16:50:28,952 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [383400234] [2022-03-01 16:50:28,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:28,953 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-01 16:50:28,953 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:28,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-01 16:50:28,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2022-03-01 16:50:28,954 INFO L87 Difference]: Start difference. First operand 2916 states and 5577 transitions. Second operand has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:30,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:30,140 INFO L93 Difference]: Finished difference Result 5291 states and 10197 transitions. [2022-03-01 16:50:30,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-03-01 16:50:30,142 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-03-01 16:50:30,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:30,151 INFO L225 Difference]: With dead ends: 5291 [2022-03-01 16:50:30,151 INFO L226 Difference]: Without dead ends: 5291 [2022-03-01 16:50:30,152 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 285 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=286, Invalid=1046, Unknown=0, NotChecked=0, Total=1332 [2022-03-01 16:50:30,152 INFO L933 BasicCegarLoop]: 342 mSDtfsCounter, 620 mSDsluCounter, 2156 mSDsCounter, 0 mSdLazyCounter, 1868 mSolverCounterSat, 246 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 620 SdHoareTripleChecker+Valid, 2494 SdHoareTripleChecker+Invalid, 2114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 246 IncrementalHoareTripleChecker+Valid, 1868 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:30,152 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [620 Valid, 2494 Invalid, 2114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [246 Valid, 1868 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-03-01 16:50:30,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5291 states. [2022-03-01 16:50:30,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5291 to 2914. [2022-03-01 16:50:30,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2914 states, 2900 states have (on average 1.9217241379310346) internal successors, (5573), 2913 states have internal predecessors, (5573), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:30,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2914 states to 2914 states and 5573 transitions. [2022-03-01 16:50:30,194 INFO L78 Accepts]: Start accepts. Automaton has 2914 states and 5573 transitions. Word has length 163 [2022-03-01 16:50:30,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:30,194 INFO L470 AbstractCegarLoop]: Abstraction has 2914 states and 5573 transitions. [2022-03-01 16:50:30,194 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:30,194 INFO L276 IsEmpty]: Start isEmpty. Operand 2914 states and 5573 transitions. [2022-03-01 16:50:30,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-01 16:50:30,196 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:30,196 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:50:30,196 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-03-01 16:50:30,196 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:50:30,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:30,196 INFO L85 PathProgramCache]: Analyzing trace with hash -593363518, now seen corresponding path program 7 times [2022-03-01 16:50:30,196 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:30,196 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [176775243] [2022-03-01 16:50:30,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:30,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:30,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:30,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:50:30,415 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:30,415 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [176775243] [2022-03-01 16:50:30,415 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [176775243] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:30,415 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:30,415 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-01 16:50:30,416 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1594487969] [2022-03-01 16:50:30,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:30,416 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-01 16:50:30,416 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:30,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-01 16:50:30,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2022-03-01 16:50:30,417 INFO L87 Difference]: Start difference. First operand 2914 states and 5573 transitions. Second operand has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:31,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:31,384 INFO L93 Difference]: Finished difference Result 4949 states and 9520 transitions. [2022-03-01 16:50:31,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-01 16:50:31,384 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-03-01 16:50:31,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:31,391 INFO L225 Difference]: With dead ends: 4949 [2022-03-01 16:50:31,391 INFO L226 Difference]: Without dead ends: 4949 [2022-03-01 16:50:31,392 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=144, Invalid=506, Unknown=0, NotChecked=0, Total=650 [2022-03-01 16:50:31,393 INFO L933 BasicCegarLoop]: 312 mSDtfsCounter, 490 mSDsluCounter, 2201 mSDsCounter, 0 mSdLazyCounter, 1754 mSolverCounterSat, 167 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 490 SdHoareTripleChecker+Valid, 2510 SdHoareTripleChecker+Invalid, 1921 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 167 IncrementalHoareTripleChecker+Valid, 1754 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:31,393 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [490 Valid, 2510 Invalid, 1921 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [167 Valid, 1754 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-03-01 16:50:31,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4949 states. [2022-03-01 16:50:31,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4949 to 2917. [2022-03-01 16:50:31,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2917 states, 2903 states have (on average 1.921805029280055) internal successors, (5579), 2916 states have internal predecessors, (5579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:31,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2917 states to 2917 states and 5579 transitions. [2022-03-01 16:50:31,434 INFO L78 Accepts]: Start accepts. Automaton has 2917 states and 5579 transitions. Word has length 163 [2022-03-01 16:50:31,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:31,434 INFO L470 AbstractCegarLoop]: Abstraction has 2917 states and 5579 transitions. [2022-03-01 16:50:31,434 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:31,434 INFO L276 IsEmpty]: Start isEmpty. Operand 2917 states and 5579 transitions. [2022-03-01 16:50:31,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-01 16:50:31,436 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:31,436 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:50:31,436 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-03-01 16:50:31,436 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:50:31,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:31,436 INFO L85 PathProgramCache]: Analyzing trace with hash 240064314, now seen corresponding path program 8 times [2022-03-01 16:50:31,436 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:31,436 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1575558613] [2022-03-01 16:50:31,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:31,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:31,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:31,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:50:31,675 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:31,675 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1575558613] [2022-03-01 16:50:31,675 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1575558613] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:31,675 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:31,675 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-01 16:50:31,676 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1904413649] [2022-03-01 16:50:31,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:31,676 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-01 16:50:31,676 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:31,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-01 16:50:31,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2022-03-01 16:50:31,676 INFO L87 Difference]: Start difference. First operand 2917 states and 5579 transitions. Second operand has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:32,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:32,507 INFO L93 Difference]: Finished difference Result 5104 states and 9824 transitions. [2022-03-01 16:50:32,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-03-01 16:50:32,507 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-03-01 16:50:32,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:32,513 INFO L225 Difference]: With dead ends: 5104 [2022-03-01 16:50:32,513 INFO L226 Difference]: Without dead ends: 5104 [2022-03-01 16:50:32,513 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 145 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=176, Invalid=636, Unknown=0, NotChecked=0, Total=812 [2022-03-01 16:50:32,515 INFO L933 BasicCegarLoop]: 319 mSDtfsCounter, 598 mSDsluCounter, 1695 mSDsCounter, 0 mSdLazyCounter, 1331 mSolverCounterSat, 223 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 598 SdHoareTripleChecker+Valid, 2011 SdHoareTripleChecker+Invalid, 1554 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 223 IncrementalHoareTripleChecker+Valid, 1331 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:32,515 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [598 Valid, 2011 Invalid, 1554 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [223 Valid, 1331 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-03-01 16:50:32,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5104 states. [2022-03-01 16:50:32,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5104 to 2920. [2022-03-01 16:50:32,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2920 states, 2906 states have (on average 1.9218857536132141) internal successors, (5585), 2919 states have internal predecessors, (5585), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:32,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2920 states to 2920 states and 5585 transitions. [2022-03-01 16:50:32,555 INFO L78 Accepts]: Start accepts. Automaton has 2920 states and 5585 transitions. Word has length 163 [2022-03-01 16:50:32,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:32,555 INFO L470 AbstractCegarLoop]: Abstraction has 2920 states and 5585 transitions. [2022-03-01 16:50:32,555 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:32,555 INFO L276 IsEmpty]: Start isEmpty. Operand 2920 states and 5585 transitions. [2022-03-01 16:50:32,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-01 16:50:32,556 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:32,556 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:50:32,557 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-03-01 16:50:32,557 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:50:32,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:32,557 INFO L85 PathProgramCache]: Analyzing trace with hash -1875340052, now seen corresponding path program 9 times [2022-03-01 16:50:32,557 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:32,557 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [504563109] [2022-03-01 16:50:32,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:32,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:32,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:32,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:50:32,728 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:32,728 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [504563109] [2022-03-01 16:50:32,729 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [504563109] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:32,729 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:32,729 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-01 16:50:32,729 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710880065] [2022-03-01 16:50:32,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:32,729 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-01 16:50:32,729 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:32,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-01 16:50:32,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2022-03-01 16:50:32,730 INFO L87 Difference]: Start difference. First operand 2920 states and 5585 transitions. Second operand has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:33,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:33,803 INFO L93 Difference]: Finished difference Result 5140 states and 9900 transitions. [2022-03-01 16:50:33,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-03-01 16:50:33,803 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-03-01 16:50:33,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:33,809 INFO L225 Difference]: With dead ends: 5140 [2022-03-01 16:50:33,809 INFO L226 Difference]: Without dead ends: 5140 [2022-03-01 16:50:33,809 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 211 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=232, Invalid=824, Unknown=0, NotChecked=0, Total=1056 [2022-03-01 16:50:33,810 INFO L933 BasicCegarLoop]: 332 mSDtfsCounter, 523 mSDsluCounter, 2266 mSDsCounter, 0 mSdLazyCounter, 1831 mSolverCounterSat, 198 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 523 SdHoareTripleChecker+Valid, 2594 SdHoareTripleChecker+Invalid, 2029 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 198 IncrementalHoareTripleChecker+Valid, 1831 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:33,810 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [523 Valid, 2594 Invalid, 2029 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [198 Valid, 1831 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-03-01 16:50:33,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5140 states. [2022-03-01 16:50:33,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5140 to 2917. [2022-03-01 16:50:33,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2917 states, 2903 states have (on average 1.921805029280055) internal successors, (5579), 2916 states have internal predecessors, (5579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:33,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2917 states to 2917 states and 5579 transitions. [2022-03-01 16:50:33,849 INFO L78 Accepts]: Start accepts. Automaton has 2917 states and 5579 transitions. Word has length 163 [2022-03-01 16:50:33,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:33,850 INFO L470 AbstractCegarLoop]: Abstraction has 2917 states and 5579 transitions. [2022-03-01 16:50:33,850 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:33,850 INFO L276 IsEmpty]: Start isEmpty. Operand 2917 states and 5579 transitions. [2022-03-01 16:50:33,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-01 16:50:33,851 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:33,851 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:50:33,851 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-03-01 16:50:33,851 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:50:33,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:33,852 INFO L85 PathProgramCache]: Analyzing trace with hash -1104804940, now seen corresponding path program 10 times [2022-03-01 16:50:33,852 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:33,852 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [454931901] [2022-03-01 16:50:33,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:33,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:33,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:34,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:50:34,034 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:34,034 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [454931901] [2022-03-01 16:50:34,034 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [454931901] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:34,034 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:34,034 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-01 16:50:34,034 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950579235] [2022-03-01 16:50:34,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:34,034 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-01 16:50:34,035 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:34,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-01 16:50:34,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2022-03-01 16:50:34,035 INFO L87 Difference]: Start difference. First operand 2917 states and 5579 transitions. Second operand has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:34,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:34,884 INFO L93 Difference]: Finished difference Result 5080 states and 9776 transitions. [2022-03-01 16:50:34,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-03-01 16:50:34,885 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-03-01 16:50:34,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:34,890 INFO L225 Difference]: With dead ends: 5080 [2022-03-01 16:50:34,890 INFO L226 Difference]: Without dead ends: 5080 [2022-03-01 16:50:34,891 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 157 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=191, Invalid=679, Unknown=0, NotChecked=0, Total=870 [2022-03-01 16:50:34,891 INFO L933 BasicCegarLoop]: 317 mSDtfsCounter, 615 mSDsluCounter, 1658 mSDsCounter, 0 mSdLazyCounter, 1317 mSolverCounterSat, 232 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 615 SdHoareTripleChecker+Valid, 1972 SdHoareTripleChecker+Invalid, 1549 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 232 IncrementalHoareTripleChecker+Valid, 1317 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:34,891 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [615 Valid, 1972 Invalid, 1549 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [232 Valid, 1317 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-03-01 16:50:34,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5080 states. [2022-03-01 16:50:34,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5080 to 2923. [2022-03-01 16:50:34,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2923 states, 2909 states have (on average 1.9219663114472327) internal successors, (5591), 2922 states have internal predecessors, (5591), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:34,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2923 states to 2923 states and 5591 transitions. [2022-03-01 16:50:34,966 INFO L78 Accepts]: Start accepts. Automaton has 2923 states and 5591 transitions. Word has length 163 [2022-03-01 16:50:34,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:34,967 INFO L470 AbstractCegarLoop]: Abstraction has 2923 states and 5591 transitions. [2022-03-01 16:50:34,967 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:34,967 INFO L276 IsEmpty]: Start isEmpty. Operand 2923 states and 5591 transitions. [2022-03-01 16:50:34,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-01 16:50:34,968 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:34,968 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:50:34,968 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-03-01 16:50:34,968 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:50:34,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:34,969 INFO L85 PathProgramCache]: Analyzing trace with hash 1074757990, now seen corresponding path program 11 times [2022-03-01 16:50:34,969 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:34,969 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1046112007] [2022-03-01 16:50:34,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:34,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:35,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:35,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:50:35,165 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:35,165 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1046112007] [2022-03-01 16:50:35,165 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1046112007] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:35,165 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:35,165 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-01 16:50:35,165 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [453725622] [2022-03-01 16:50:35,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:35,165 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-01 16:50:35,165 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:35,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-01 16:50:35,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2022-03-01 16:50:35,166 INFO L87 Difference]: Start difference. First operand 2923 states and 5591 transitions. Second operand has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:36,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:36,213 INFO L93 Difference]: Finished difference Result 5291 states and 10196 transitions. [2022-03-01 16:50:36,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-01 16:50:36,213 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-03-01 16:50:36,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:36,220 INFO L225 Difference]: With dead ends: 5291 [2022-03-01 16:50:36,220 INFO L226 Difference]: Without dead ends: 5291 [2022-03-01 16:50:36,220 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 241 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=261, Invalid=929, Unknown=0, NotChecked=0, Total=1190 [2022-03-01 16:50:36,221 INFO L933 BasicCegarLoop]: 339 mSDtfsCounter, 623 mSDsluCounter, 2057 mSDsCounter, 0 mSdLazyCounter, 1666 mSolverCounterSat, 239 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 623 SdHoareTripleChecker+Valid, 2392 SdHoareTripleChecker+Invalid, 1905 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 239 IncrementalHoareTripleChecker+Valid, 1666 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:36,221 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [623 Valid, 2392 Invalid, 1905 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [239 Valid, 1666 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-03-01 16:50:36,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5291 states. [2022-03-01 16:50:36,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5291 to 2920. [2022-03-01 16:50:36,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2920 states, 2906 states have (on average 1.9218857536132141) internal successors, (5585), 2919 states have internal predecessors, (5585), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:36,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2920 states to 2920 states and 5585 transitions. [2022-03-01 16:50:36,261 INFO L78 Accepts]: Start accepts. Automaton has 2920 states and 5585 transitions. Word has length 163 [2022-03-01 16:50:36,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:36,261 INFO L470 AbstractCegarLoop]: Abstraction has 2920 states and 5585 transitions. [2022-03-01 16:50:36,261 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:36,261 INFO L276 IsEmpty]: Start isEmpty. Operand 2920 states and 5585 transitions. [2022-03-01 16:50:36,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-01 16:50:36,262 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:36,262 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:50:36,262 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-03-01 16:50:36,262 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:50:36,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:36,263 INFO L85 PathProgramCache]: Analyzing trace with hash -264416600, now seen corresponding path program 12 times [2022-03-01 16:50:36,263 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:36,263 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [487086456] [2022-03-01 16:50:36,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:36,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:36,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:36,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:50:36,448 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:36,448 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [487086456] [2022-03-01 16:50:36,448 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [487086456] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:36,449 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:36,449 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-01 16:50:36,449 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989666828] [2022-03-01 16:50:36,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:36,449 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-01 16:50:36,449 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:36,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-01 16:50:36,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2022-03-01 16:50:36,450 INFO L87 Difference]: Start difference. First operand 2920 states and 5585 transitions. Second operand has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:37,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:37,589 INFO L93 Difference]: Finished difference Result 5248 states and 10112 transitions. [2022-03-01 16:50:37,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-03-01 16:50:37,590 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-03-01 16:50:37,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:37,596 INFO L225 Difference]: With dead ends: 5248 [2022-03-01 16:50:37,596 INFO L226 Difference]: Without dead ends: 5248 [2022-03-01 16:50:37,596 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 267 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=265, Invalid=995, Unknown=0, NotChecked=0, Total=1260 [2022-03-01 16:50:37,597 INFO L933 BasicCegarLoop]: 338 mSDtfsCounter, 539 mSDsluCounter, 2276 mSDsCounter, 0 mSdLazyCounter, 1854 mSolverCounterSat, 204 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 539 SdHoareTripleChecker+Valid, 2610 SdHoareTripleChecker+Invalid, 2058 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 204 IncrementalHoareTripleChecker+Valid, 1854 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:37,597 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [539 Valid, 2610 Invalid, 2058 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [204 Valid, 1854 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-03-01 16:50:37,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5248 states. [2022-03-01 16:50:37,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5248 to 2922. [2022-03-01 16:50:37,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2922 states, 2908 states have (on average 1.921939477303989) internal successors, (5589), 2921 states have internal predecessors, (5589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:37,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2922 states to 2922 states and 5589 transitions. [2022-03-01 16:50:37,633 INFO L78 Accepts]: Start accepts. Automaton has 2922 states and 5589 transitions. Word has length 163 [2022-03-01 16:50:37,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:37,634 INFO L470 AbstractCegarLoop]: Abstraction has 2922 states and 5589 transitions. [2022-03-01 16:50:37,634 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:37,634 INFO L276 IsEmpty]: Start isEmpty. Operand 2922 states and 5589 transitions. [2022-03-01 16:50:37,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-01 16:50:37,635 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:37,635 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:50:37,635 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-03-01 16:50:37,635 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:50:37,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:37,635 INFO L85 PathProgramCache]: Analyzing trace with hash -353960954, now seen corresponding path program 13 times [2022-03-01 16:50:37,636 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:37,636 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1922882324] [2022-03-01 16:50:37,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:37,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:37,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:37,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:50:37,805 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:37,805 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1922882324] [2022-03-01 16:50:37,805 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1922882324] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:37,805 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:37,805 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-01 16:50:37,805 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [651150550] [2022-03-01 16:50:37,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:37,806 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-01 16:50:37,806 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:37,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-01 16:50:37,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2022-03-01 16:50:37,806 INFO L87 Difference]: Start difference. First operand 2922 states and 5589 transitions. Second operand has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:38,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:38,923 INFO L93 Difference]: Finished difference Result 5205 states and 10030 transitions. [2022-03-01 16:50:38,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-03-01 16:50:38,924 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-03-01 16:50:38,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:38,929 INFO L225 Difference]: With dead ends: 5205 [2022-03-01 16:50:38,929 INFO L226 Difference]: Without dead ends: 5205 [2022-03-01 16:50:38,930 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 291 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=272, Invalid=1060, Unknown=0, NotChecked=0, Total=1332 [2022-03-01 16:50:38,930 INFO L933 BasicCegarLoop]: 345 mSDtfsCounter, 705 mSDsluCounter, 2029 mSDsCounter, 0 mSdLazyCounter, 1755 mSolverCounterSat, 279 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 705 SdHoareTripleChecker+Valid, 2371 SdHoareTripleChecker+Invalid, 2034 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 279 IncrementalHoareTripleChecker+Valid, 1755 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:38,930 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [705 Valid, 2371 Invalid, 2034 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [279 Valid, 1755 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-03-01 16:50:38,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5205 states. [2022-03-01 16:50:38,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5205 to 2917. [2022-03-01 16:50:38,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2917 states, 2903 states have (on average 1.921805029280055) internal successors, (5579), 2916 states have internal predecessors, (5579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:38,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2917 states to 2917 states and 5579 transitions. [2022-03-01 16:50:38,964 INFO L78 Accepts]: Start accepts. Automaton has 2917 states and 5579 transitions. Word has length 163 [2022-03-01 16:50:38,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:38,964 INFO L470 AbstractCegarLoop]: Abstraction has 2917 states and 5579 transitions. [2022-03-01 16:50:38,964 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:38,964 INFO L276 IsEmpty]: Start isEmpty. Operand 2917 states and 5579 transitions. [2022-03-01 16:50:38,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-01 16:50:38,965 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:38,965 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:50:38,966 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-03-01 16:50:38,966 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:50:38,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:38,966 INFO L85 PathProgramCache]: Analyzing trace with hash 1487957560, now seen corresponding path program 14 times [2022-03-01 16:50:38,966 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:38,966 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401587239] [2022-03-01 16:50:38,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:38,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:38,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:39,170 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:50:39,170 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:39,170 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401587239] [2022-03-01 16:50:39,170 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [401587239] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:39,170 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:39,171 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-01 16:50:39,171 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924097371] [2022-03-01 16:50:39,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:39,171 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-01 16:50:39,171 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:39,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-01 16:50:39,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2022-03-01 16:50:39,171 INFO L87 Difference]: Start difference. First operand 2917 states and 5579 transitions. Second operand has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:39,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:39,914 INFO L93 Difference]: Finished difference Result 4999 states and 9621 transitions. [2022-03-01 16:50:39,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-03-01 16:50:39,914 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-03-01 16:50:39,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:39,920 INFO L225 Difference]: With dead ends: 4999 [2022-03-01 16:50:39,921 INFO L226 Difference]: Without dead ends: 4999 [2022-03-01 16:50:39,921 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=117, Invalid=345, Unknown=0, NotChecked=0, Total=462 [2022-03-01 16:50:39,921 INFO L933 BasicCegarLoop]: 374 mSDtfsCounter, 694 mSDsluCounter, 1330 mSDsCounter, 0 mSdLazyCounter, 1143 mSolverCounterSat, 244 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 694 SdHoareTripleChecker+Valid, 1701 SdHoareTripleChecker+Invalid, 1387 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 244 IncrementalHoareTripleChecker+Valid, 1143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:39,921 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [694 Valid, 1701 Invalid, 1387 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [244 Valid, 1143 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-03-01 16:50:39,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4999 states. [2022-03-01 16:50:39,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4999 to 2917. [2022-03-01 16:50:39,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2917 states, 2903 states have (on average 1.921805029280055) internal successors, (5579), 2916 states have internal predecessors, (5579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:39,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2917 states to 2917 states and 5579 transitions. [2022-03-01 16:50:39,959 INFO L78 Accepts]: Start accepts. Automaton has 2917 states and 5579 transitions. Word has length 163 [2022-03-01 16:50:39,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:39,959 INFO L470 AbstractCegarLoop]: Abstraction has 2917 states and 5579 transitions. [2022-03-01 16:50:39,960 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:39,960 INFO L276 IsEmpty]: Start isEmpty. Operand 2917 states and 5579 transitions. [2022-03-01 16:50:39,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-01 16:50:39,961 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:39,961 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:50:39,961 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-03-01 16:50:39,961 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:50:39,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:39,961 INFO L85 PathProgramCache]: Analyzing trace with hash 1976902302, now seen corresponding path program 15 times [2022-03-01 16:50:39,961 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:39,962 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506854486] [2022-03-01 16:50:39,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:39,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:39,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:40,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:50:40,177 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:40,177 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [506854486] [2022-03-01 16:50:40,177 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [506854486] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:40,177 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:40,177 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-01 16:50:40,177 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609388589] [2022-03-01 16:50:40,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:40,178 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-01 16:50:40,178 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:40,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-01 16:50:40,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2022-03-01 16:50:40,179 INFO L87 Difference]: Start difference. First operand 2917 states and 5579 transitions. Second operand has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:41,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:41,242 INFO L93 Difference]: Finished difference Result 5053 states and 9728 transitions. [2022-03-01 16:50:41,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-01 16:50:41,242 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-03-01 16:50:41,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:41,248 INFO L225 Difference]: With dead ends: 5053 [2022-03-01 16:50:41,248 INFO L226 Difference]: Without dead ends: 5053 [2022-03-01 16:50:41,249 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=132, Invalid=420, Unknown=0, NotChecked=0, Total=552 [2022-03-01 16:50:41,249 INFO L933 BasicCegarLoop]: 375 mSDtfsCounter, 582 mSDsluCounter, 2293 mSDsCounter, 0 mSdLazyCounter, 1955 mSolverCounterSat, 187 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 582 SdHoareTripleChecker+Valid, 2663 SdHoareTripleChecker+Invalid, 2142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 187 IncrementalHoareTripleChecker+Valid, 1955 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:41,249 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [582 Valid, 2663 Invalid, 2142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [187 Valid, 1955 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-03-01 16:50:41,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5053 states. [2022-03-01 16:50:41,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5053 to 2918. [2022-03-01 16:50:41,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2918 states, 2904 states have (on average 1.921831955922865) internal successors, (5581), 2917 states have internal predecessors, (5581), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:41,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2918 states to 2918 states and 5581 transitions. [2022-03-01 16:50:41,285 INFO L78 Accepts]: Start accepts. Automaton has 2918 states and 5581 transitions. Word has length 163 [2022-03-01 16:50:41,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:41,285 INFO L470 AbstractCegarLoop]: Abstraction has 2918 states and 5581 transitions. [2022-03-01 16:50:41,285 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:41,285 INFO L276 IsEmpty]: Start isEmpty. Operand 2918 states and 5581 transitions. [2022-03-01 16:50:41,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-01 16:50:41,286 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:41,286 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:50:41,286 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-03-01 16:50:41,287 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:50:41,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:41,287 INFO L85 PathProgramCache]: Analyzing trace with hash -1484637162, now seen corresponding path program 16 times [2022-03-01 16:50:41,287 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:41,287 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1605379974] [2022-03-01 16:50:41,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:41,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:41,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:41,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:50:41,497 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:41,497 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1605379974] [2022-03-01 16:50:41,498 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1605379974] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:41,498 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:41,498 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-01 16:50:41,498 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1237187746] [2022-03-01 16:50:41,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:41,498 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-01 16:50:41,498 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:41,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-01 16:50:41,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2022-03-01 16:50:41,499 INFO L87 Difference]: Start difference. First operand 2918 states and 5581 transitions. Second operand has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:42,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:42,578 INFO L93 Difference]: Finished difference Result 5155 states and 9927 transitions. [2022-03-01 16:50:42,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-03-01 16:50:42,579 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-03-01 16:50:42,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:42,584 INFO L225 Difference]: With dead ends: 5155 [2022-03-01 16:50:42,584 INFO L226 Difference]: Without dead ends: 5155 [2022-03-01 16:50:42,584 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=164, Invalid=538, Unknown=0, NotChecked=0, Total=702 [2022-03-01 16:50:42,584 INFO L933 BasicCegarLoop]: 381 mSDtfsCounter, 708 mSDsluCounter, 1996 mSDsCounter, 0 mSdLazyCounter, 1772 mSolverCounterSat, 237 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 708 SdHoareTripleChecker+Valid, 2373 SdHoareTripleChecker+Invalid, 2009 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 237 IncrementalHoareTripleChecker+Valid, 1772 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:42,585 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [708 Valid, 2373 Invalid, 2009 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [237 Valid, 1772 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-03-01 16:50:42,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5155 states. [2022-03-01 16:50:42,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5155 to 2921. [2022-03-01 16:50:42,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2921 states, 2907 states have (on average 1.9219126246990024) internal successors, (5587), 2920 states have internal predecessors, (5587), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:42,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2921 states to 2921 states and 5587 transitions. [2022-03-01 16:50:42,616 INFO L78 Accepts]: Start accepts. Automaton has 2921 states and 5587 transitions. Word has length 163 [2022-03-01 16:50:42,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:42,617 INFO L470 AbstractCegarLoop]: Abstraction has 2921 states and 5587 transitions. [2022-03-01 16:50:42,617 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:42,617 INFO L276 IsEmpty]: Start isEmpty. Operand 2921 states and 5587 transitions. [2022-03-01 16:50:42,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-01 16:50:42,618 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:42,618 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:50:42,618 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-03-01 16:50:42,618 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:50:42,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:42,619 INFO L85 PathProgramCache]: Analyzing trace with hash 694925768, now seen corresponding path program 17 times [2022-03-01 16:50:42,619 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:42,619 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1508507371] [2022-03-01 16:50:42,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:42,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:42,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:42,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:50:42,786 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:42,786 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1508507371] [2022-03-01 16:50:42,786 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1508507371] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:42,786 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:42,786 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-01 16:50:42,787 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195414488] [2022-03-01 16:50:42,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:42,787 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-01 16:50:42,787 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:42,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-01 16:50:42,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2022-03-01 16:50:42,787 INFO L87 Difference]: Start difference. First operand 2921 states and 5587 transitions. Second operand has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:43,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:43,762 INFO L93 Difference]: Finished difference Result 5144 states and 9908 transitions. [2022-03-01 16:50:43,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-03-01 16:50:43,763 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-03-01 16:50:43,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:43,768 INFO L225 Difference]: With dead ends: 5144 [2022-03-01 16:50:43,769 INFO L226 Difference]: Without dead ends: 5144 [2022-03-01 16:50:43,769 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 152 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=209, Invalid=661, Unknown=0, NotChecked=0, Total=870 [2022-03-01 16:50:43,769 INFO L933 BasicCegarLoop]: 378 mSDtfsCounter, 754 mSDsluCounter, 1699 mSDsCounter, 0 mSdLazyCounter, 1534 mSolverCounterSat, 257 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 754 SdHoareTripleChecker+Valid, 2073 SdHoareTripleChecker+Invalid, 1791 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 257 IncrementalHoareTripleChecker+Valid, 1534 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:43,769 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [754 Valid, 2073 Invalid, 1791 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [257 Valid, 1534 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-03-01 16:50:43,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5144 states. [2022-03-01 16:50:43,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5144 to 2917. [2022-03-01 16:50:43,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2917 states, 2903 states have (on average 1.921805029280055) internal successors, (5579), 2916 states have internal predecessors, (5579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:43,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2917 states to 2917 states and 5579 transitions. [2022-03-01 16:50:43,802 INFO L78 Accepts]: Start accepts. Automaton has 2917 states and 5579 transitions. Word has length 163 [2022-03-01 16:50:43,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:43,803 INFO L470 AbstractCegarLoop]: Abstraction has 2917 states and 5579 transitions. [2022-03-01 16:50:43,803 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:43,803 INFO L276 IsEmpty]: Start isEmpty. Operand 2917 states and 5579 transitions. [2022-03-01 16:50:43,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-01 16:50:43,804 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:43,804 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:50:43,804 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-03-01 16:50:43,804 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:50:43,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:43,804 INFO L85 PathProgramCache]: Analyzing trace with hash -847183290, now seen corresponding path program 18 times [2022-03-01 16:50:43,804 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:43,804 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1317883166] [2022-03-01 16:50:43,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:43,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:43,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:44,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:50:44,012 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:44,012 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1317883166] [2022-03-01 16:50:44,012 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1317883166] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:44,012 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:44,012 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-01 16:50:44,013 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [374253148] [2022-03-01 16:50:44,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:44,013 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-01 16:50:44,013 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:44,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-01 16:50:44,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2022-03-01 16:50:44,013 INFO L87 Difference]: Start difference. First operand 2917 states and 5579 transitions. Second operand has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:45,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:45,036 INFO L93 Difference]: Finished difference Result 5008 states and 9638 transitions. [2022-03-01 16:50:45,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-01 16:50:45,037 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-03-01 16:50:45,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:45,043 INFO L225 Difference]: With dead ends: 5008 [2022-03-01 16:50:45,043 INFO L226 Difference]: Without dead ends: 5008 [2022-03-01 16:50:45,043 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=137, Invalid=463, Unknown=0, NotChecked=0, Total=600 [2022-03-01 16:50:45,043 INFO L933 BasicCegarLoop]: 336 mSDtfsCounter, 535 mSDsluCounter, 2113 mSDsCounter, 0 mSdLazyCounter, 1786 mSolverCounterSat, 176 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 535 SdHoareTripleChecker+Valid, 2445 SdHoareTripleChecker+Invalid, 1962 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 176 IncrementalHoareTripleChecker+Valid, 1786 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:45,044 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [535 Valid, 2445 Invalid, 1962 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [176 Valid, 1786 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-03-01 16:50:45,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5008 states. [2022-03-01 16:50:45,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5008 to 2919. [2022-03-01 16:50:45,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2919 states, 2905 states have (on average 1.9218588640275387) internal successors, (5583), 2918 states have internal predecessors, (5583), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:45,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2919 states to 2919 states and 5583 transitions. [2022-03-01 16:50:45,080 INFO L78 Accepts]: Start accepts. Automaton has 2919 states and 5583 transitions. Word has length 163 [2022-03-01 16:50:45,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:45,080 INFO L470 AbstractCegarLoop]: Abstraction has 2919 states and 5583 transitions. [2022-03-01 16:50:45,080 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:45,080 INFO L276 IsEmpty]: Start isEmpty. Operand 2919 states and 5583 transitions. [2022-03-01 16:50:45,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-01 16:50:45,081 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:45,081 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:50:45,082 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-03-01 16:50:45,082 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:50:45,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:45,082 INFO L85 PathProgramCache]: Analyzing trace with hash -13755458, now seen corresponding path program 19 times [2022-03-01 16:50:45,082 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:45,082 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1637293061] [2022-03-01 16:50:45,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:45,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:45,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:45,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:50:45,281 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:45,281 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1637293061] [2022-03-01 16:50:45,281 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1637293061] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:45,281 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:45,282 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-01 16:50:45,282 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1560902151] [2022-03-01 16:50:45,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:45,282 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-01 16:50:45,282 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:45,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-01 16:50:45,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2022-03-01 16:50:45,282 INFO L87 Difference]: Start difference. First operand 2919 states and 5583 transitions. Second operand has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:46,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:46,233 INFO L93 Difference]: Finished difference Result 5163 states and 9942 transitions. [2022-03-01 16:50:46,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-03-01 16:50:46,234 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-03-01 16:50:46,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:46,239 INFO L225 Difference]: With dead ends: 5163 [2022-03-01 16:50:46,239 INFO L226 Difference]: Without dead ends: 5163 [2022-03-01 16:50:46,239 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 131 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=169, Invalid=587, Unknown=0, NotChecked=0, Total=756 [2022-03-01 16:50:46,240 INFO L933 BasicCegarLoop]: 342 mSDtfsCounter, 660 mSDsluCounter, 1783 mSDsCounter, 0 mSdLazyCounter, 1484 mSolverCounterSat, 230 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 660 SdHoareTripleChecker+Valid, 2122 SdHoareTripleChecker+Invalid, 1714 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 230 IncrementalHoareTripleChecker+Valid, 1484 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:46,240 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [660 Valid, 2122 Invalid, 1714 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [230 Valid, 1484 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-03-01 16:50:46,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5163 states. [2022-03-01 16:50:46,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5163 to 2922. [2022-03-01 16:50:46,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2922 states, 2908 states have (on average 1.921939477303989) internal successors, (5589), 2921 states have internal predecessors, (5589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:46,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2922 states to 2922 states and 5589 transitions. [2022-03-01 16:50:46,274 INFO L78 Accepts]: Start accepts. Automaton has 2922 states and 5589 transitions. Word has length 163 [2022-03-01 16:50:46,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:46,274 INFO L470 AbstractCegarLoop]: Abstraction has 2922 states and 5589 transitions. [2022-03-01 16:50:46,274 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:46,274 INFO L276 IsEmpty]: Start isEmpty. Operand 2922 states and 5589 transitions. [2022-03-01 16:50:46,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-01 16:50:46,275 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:46,275 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:50:46,275 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-03-01 16:50:46,275 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:50:46,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:46,276 INFO L85 PathProgramCache]: Analyzing trace with hash -2129159824, now seen corresponding path program 20 times [2022-03-01 16:50:46,276 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:46,276 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1759889348] [2022-03-01 16:50:46,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:46,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:46,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:46,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:50:46,448 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:46,448 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1759889348] [2022-03-01 16:50:46,448 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1759889348] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:46,448 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:46,449 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-01 16:50:46,449 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [54096219] [2022-03-01 16:50:46,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:46,449 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-01 16:50:46,449 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:46,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-01 16:50:46,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2022-03-01 16:50:46,449 INFO L87 Difference]: Start difference. First operand 2922 states and 5589 transitions. Second operand has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:47,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:47,752 INFO L93 Difference]: Finished difference Result 5208 states and 10035 transitions. [2022-03-01 16:50:47,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-03-01 16:50:47,752 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-03-01 16:50:47,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:47,759 INFO L225 Difference]: With dead ends: 5208 [2022-03-01 16:50:47,759 INFO L226 Difference]: Without dead ends: 5208 [2022-03-01 16:50:47,759 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 180 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=228, Invalid=764, Unknown=0, NotChecked=0, Total=992 [2022-03-01 16:50:47,760 INFO L933 BasicCegarLoop]: 379 mSDtfsCounter, 610 mSDsluCounter, 2699 mSDsCounter, 0 mSdLazyCounter, 2363 mSolverCounterSat, 218 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 610 SdHoareTripleChecker+Valid, 3074 SdHoareTripleChecker+Invalid, 2581 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 218 IncrementalHoareTripleChecker+Valid, 2363 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:47,760 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [610 Valid, 3074 Invalid, 2581 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [218 Valid, 2363 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-03-01 16:50:47,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5208 states. [2022-03-01 16:50:47,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5208 to 2918. [2022-03-01 16:50:47,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2918 states, 2904 states have (on average 1.921831955922865) internal successors, (5581), 2917 states have internal predecessors, (5581), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:47,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2918 states to 2918 states and 5581 transitions. [2022-03-01 16:50:47,795 INFO L78 Accepts]: Start accepts. Automaton has 2918 states and 5581 transitions. Word has length 163 [2022-03-01 16:50:47,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:47,795 INFO L470 AbstractCegarLoop]: Abstraction has 2918 states and 5581 transitions. [2022-03-01 16:50:47,796 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:47,796 INFO L276 IsEmpty]: Start isEmpty. Operand 2918 states and 5581 transitions. [2022-03-01 16:50:47,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-01 16:50:47,797 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:47,797 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:50:47,797 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-03-01 16:50:47,797 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:50:47,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:47,797 INFO L85 PathProgramCache]: Analyzing trace with hash -1358624712, now seen corresponding path program 21 times [2022-03-01 16:50:47,797 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:47,797 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2092234633] [2022-03-01 16:50:47,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:47,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:47,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:48,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:50:48,012 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:48,012 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2092234633] [2022-03-01 16:50:48,012 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2092234633] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:48,012 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:48,012 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-01 16:50:48,012 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2021814055] [2022-03-01 16:50:48,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:48,012 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-01 16:50:48,012 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:48,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-01 16:50:48,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2022-03-01 16:50:48,013 INFO L87 Difference]: Start difference. First operand 2918 states and 5581 transitions. Second operand has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:48,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:48,908 INFO L93 Difference]: Finished difference Result 5125 states and 9867 transitions. [2022-03-01 16:50:48,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-03-01 16:50:48,908 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-03-01 16:50:48,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:48,914 INFO L225 Difference]: With dead ends: 5125 [2022-03-01 16:50:48,914 INFO L226 Difference]: Without dead ends: 5125 [2022-03-01 16:50:48,915 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 140 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=186, Invalid=626, Unknown=0, NotChecked=0, Total=812 [2022-03-01 16:50:48,915 INFO L933 BasicCegarLoop]: 349 mSDtfsCounter, 648 mSDsluCounter, 1816 mSDsCounter, 0 mSdLazyCounter, 1499 mSolverCounterSat, 228 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 648 SdHoareTripleChecker+Valid, 2161 SdHoareTripleChecker+Invalid, 1727 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 228 IncrementalHoareTripleChecker+Valid, 1499 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:48,915 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [648 Valid, 2161 Invalid, 1727 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [228 Valid, 1499 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-03-01 16:50:48,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5125 states. [2022-03-01 16:50:48,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5125 to 2924. [2022-03-01 16:50:48,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2924 states, 2910 states have (on average 1.9219931271477664) internal successors, (5593), 2923 states have internal predecessors, (5593), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:48,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2924 states to 2924 states and 5593 transitions. [2022-03-01 16:50:48,952 INFO L78 Accepts]: Start accepts. Automaton has 2924 states and 5593 transitions. Word has length 163 [2022-03-01 16:50:48,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:48,952 INFO L470 AbstractCegarLoop]: Abstraction has 2924 states and 5593 transitions. [2022-03-01 16:50:48,952 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:48,953 INFO L276 IsEmpty]: Start isEmpty. Operand 2924 states and 5593 transitions. [2022-03-01 16:50:48,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-01 16:50:48,953 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:48,954 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:50:48,954 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-03-01 16:50:48,954 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:50:48,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:48,954 INFO L85 PathProgramCache]: Analyzing trace with hash 820938218, now seen corresponding path program 22 times [2022-03-01 16:50:48,954 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:48,954 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1243753899] [2022-03-01 16:50:48,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:48,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:48,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:49,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:50:49,126 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:49,126 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1243753899] [2022-03-01 16:50:49,126 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1243753899] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:49,126 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:49,126 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-01 16:50:49,126 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1456963924] [2022-03-01 16:50:49,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:49,127 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-01 16:50:49,127 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:49,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-01 16:50:49,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2022-03-01 16:50:49,127 INFO L87 Difference]: Start difference. First operand 2924 states and 5593 transitions. Second operand has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:50,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:50,500 INFO L93 Difference]: Finished difference Result 5315 states and 10244 transitions. [2022-03-01 16:50:50,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-01 16:50:50,500 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-03-01 16:50:50,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:50,506 INFO L225 Difference]: With dead ends: 5315 [2022-03-01 16:50:50,506 INFO L226 Difference]: Without dead ends: 5315 [2022-03-01 16:50:50,507 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 207 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=258, Invalid=864, Unknown=0, NotChecked=0, Total=1122 [2022-03-01 16:50:50,507 INFO L933 BasicCegarLoop]: 385 mSDtfsCounter, 608 mSDsluCounter, 2722 mSDsCounter, 0 mSdLazyCounter, 2386 mSolverCounterSat, 204 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 608 SdHoareTripleChecker+Valid, 3102 SdHoareTripleChecker+Invalid, 2590 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 204 IncrementalHoareTripleChecker+Valid, 2386 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:50,507 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [608 Valid, 3102 Invalid, 2590 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [204 Valid, 2386 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-03-01 16:50:50,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5315 states. [2022-03-01 16:50:50,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5315 to 2921. [2022-03-01 16:50:50,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2921 states, 2907 states have (on average 1.9219126246990024) internal successors, (5587), 2920 states have internal predecessors, (5587), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:50,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2921 states to 2921 states and 5587 transitions. [2022-03-01 16:50:50,549 INFO L78 Accepts]: Start accepts. Automaton has 2921 states and 5587 transitions. Word has length 163 [2022-03-01 16:50:50,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:50,549 INFO L470 AbstractCegarLoop]: Abstraction has 2921 states and 5587 transitions. [2022-03-01 16:50:50,549 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:50,549 INFO L276 IsEmpty]: Start isEmpty. Operand 2921 states and 5587 transitions. [2022-03-01 16:50:50,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-01 16:50:50,550 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:50,550 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:50:50,550 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-03-01 16:50:50,550 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:50:50,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:50,551 INFO L85 PathProgramCache]: Analyzing trace with hash -518236372, now seen corresponding path program 23 times [2022-03-01 16:50:50,551 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:50,551 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1106719337] [2022-03-01 16:50:50,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:50,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:50,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:50,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:50:50,788 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:50,788 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1106719337] [2022-03-01 16:50:50,788 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1106719337] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:50,788 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:50,788 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-01 16:50:50,788 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1747212531] [2022-03-01 16:50:50,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:50,788 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-01 16:50:50,788 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:50,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-01 16:50:50,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2022-03-01 16:50:50,789 INFO L87 Difference]: Start difference. First operand 2921 states and 5587 transitions. Second operand has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:51,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:51,975 INFO L93 Difference]: Finished difference Result 5272 states and 10160 transitions. [2022-03-01 16:50:51,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-03-01 16:50:51,975 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-03-01 16:50:51,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:51,981 INFO L225 Difference]: With dead ends: 5272 [2022-03-01 16:50:51,982 INFO L226 Difference]: Without dead ends: 5272 [2022-03-01 16:50:51,982 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 231 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=263, Invalid=927, Unknown=0, NotChecked=0, Total=1190 [2022-03-01 16:50:51,982 INFO L933 BasicCegarLoop]: 384 mSDtfsCounter, 699 mSDsluCounter, 2233 mSDsCounter, 0 mSdLazyCounter, 1970 mSolverCounterSat, 261 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 699 SdHoareTripleChecker+Valid, 2613 SdHoareTripleChecker+Invalid, 2231 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 261 IncrementalHoareTripleChecker+Valid, 1970 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:51,983 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [699 Valid, 2613 Invalid, 2231 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [261 Valid, 1970 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-03-01 16:50:51,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5272 states. [2022-03-01 16:50:52,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5272 to 2923. [2022-03-01 16:50:52,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2923 states, 2909 states have (on average 1.9219663114472327) internal successors, (5591), 2922 states have internal predecessors, (5591), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:52,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2923 states to 2923 states and 5591 transitions. [2022-03-01 16:50:52,033 INFO L78 Accepts]: Start accepts. Automaton has 2923 states and 5591 transitions. Word has length 163 [2022-03-01 16:50:52,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:52,033 INFO L470 AbstractCegarLoop]: Abstraction has 2923 states and 5591 transitions. [2022-03-01 16:50:52,033 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:52,033 INFO L276 IsEmpty]: Start isEmpty. Operand 2923 states and 5591 transitions. [2022-03-01 16:50:52,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-01 16:50:52,034 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:52,034 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:50:52,034 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-03-01 16:50:52,034 INFO L402 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:50:52,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:52,035 INFO L85 PathProgramCache]: Analyzing trace with hash -607780726, now seen corresponding path program 24 times [2022-03-01 16:50:52,035 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:52,035 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2069329133] [2022-03-01 16:50:52,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:52,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:52,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:52,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:50:52,230 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:52,231 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2069329133] [2022-03-01 16:50:52,231 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2069329133] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:52,231 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:52,231 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-01 16:50:52,231 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [651671963] [2022-03-01 16:50:52,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:52,231 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-01 16:50:52,231 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:52,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-01 16:50:52,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2022-03-01 16:50:52,232 INFO L87 Difference]: Start difference. First operand 2923 states and 5591 transitions. Second operand has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:53,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:53,496 INFO L93 Difference]: Finished difference Result 5229 states and 10078 transitions. [2022-03-01 16:50:53,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-03-01 16:50:53,496 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-03-01 16:50:53,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:53,503 INFO L225 Difference]: With dead ends: 5229 [2022-03-01 16:50:53,503 INFO L226 Difference]: Without dead ends: 5229 [2022-03-01 16:50:53,504 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 253 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=271, Invalid=989, Unknown=0, NotChecked=0, Total=1260 [2022-03-01 16:50:53,504 INFO L933 BasicCegarLoop]: 382 mSDtfsCounter, 697 mSDsluCounter, 2403 mSDsCounter, 0 mSdLazyCounter, 2157 mSolverCounterSat, 263 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 697 SdHoareTripleChecker+Valid, 2781 SdHoareTripleChecker+Invalid, 2420 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 263 IncrementalHoareTripleChecker+Valid, 2157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:53,504 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [697 Valid, 2781 Invalid, 2420 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [263 Valid, 2157 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-03-01 16:50:53,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5229 states. [2022-03-01 16:50:53,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5229 to 2917. [2022-03-01 16:50:53,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2917 states, 2903 states have (on average 1.921805029280055) internal successors, (5579), 2916 states have internal predecessors, (5579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:53,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2917 states to 2917 states and 5579 transitions. [2022-03-01 16:50:53,542 INFO L78 Accepts]: Start accepts. Automaton has 2917 states and 5579 transitions. Word has length 163 [2022-03-01 16:50:53,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:53,542 INFO L470 AbstractCegarLoop]: Abstraction has 2917 states and 5579 transitions. [2022-03-01 16:50:53,542 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:53,542 INFO L276 IsEmpty]: Start isEmpty. Operand 2917 states and 5579 transitions. [2022-03-01 16:50:53,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-01 16:50:53,544 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:53,544 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:50:53,544 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-03-01 16:50:53,544 INFO L402 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:50:53,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:53,544 INFO L85 PathProgramCache]: Analyzing trace with hash 879948998, now seen corresponding path program 25 times [2022-03-01 16:50:53,544 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:53,544 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1281792768] [2022-03-01 16:50:53,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:53,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:53,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:53,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:50:53,733 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:53,733 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1281792768] [2022-03-01 16:50:53,733 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1281792768] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:53,733 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:53,733 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-01 16:50:53,733 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1723538051] [2022-03-01 16:50:53,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:53,733 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-01 16:50:53,733 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:53,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-01 16:50:53,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2022-03-01 16:50:53,734 INFO L87 Difference]: Start difference. First operand 2917 states and 5579 transitions. Second operand has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:54,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:54,636 INFO L93 Difference]: Finished difference Result 4229 states and 8112 transitions. [2022-03-01 16:50:54,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-01 16:50:54,637 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-03-01 16:50:54,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:54,642 INFO L225 Difference]: With dead ends: 4229 [2022-03-01 16:50:54,642 INFO L226 Difference]: Without dead ends: 4229 [2022-03-01 16:50:54,642 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 155 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=248, Invalid=744, Unknown=0, NotChecked=0, Total=992 [2022-03-01 16:50:54,642 INFO L933 BasicCegarLoop]: 366 mSDtfsCounter, 582 mSDsluCounter, 1796 mSDsCounter, 0 mSdLazyCounter, 1500 mSolverCounterSat, 128 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 582 SdHoareTripleChecker+Valid, 2160 SdHoareTripleChecker+Invalid, 1628 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 128 IncrementalHoareTripleChecker+Valid, 1500 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:54,643 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [582 Valid, 2160 Invalid, 1628 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [128 Valid, 1500 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-03-01 16:50:54,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4229 states. [2022-03-01 16:50:54,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4229 to 2927. [2022-03-01 16:50:54,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2927 states, 2913 states have (on average 1.9220734637830414) internal successors, (5599), 2926 states have internal predecessors, (5599), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:54,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2927 states to 2927 states and 5599 transitions. [2022-03-01 16:50:54,676 INFO L78 Accepts]: Start accepts. Automaton has 2927 states and 5599 transitions. Word has length 163 [2022-03-01 16:50:54,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:54,676 INFO L470 AbstractCegarLoop]: Abstraction has 2927 states and 5599 transitions. [2022-03-01 16:50:54,676 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:54,677 INFO L276 IsEmpty]: Start isEmpty. Operand 2927 states and 5599 transitions. [2022-03-01 16:50:54,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-01 16:50:54,678 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:54,678 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:50:54,678 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-03-01 16:50:54,678 INFO L402 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:50:54,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:54,678 INFO L85 PathProgramCache]: Analyzing trace with hash 779908898, now seen corresponding path program 26 times [2022-03-01 16:50:54,678 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:54,678 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1954590852] [2022-03-01 16:50:54,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:54,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:54,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:54,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:50:54,830 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:54,830 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1954590852] [2022-03-01 16:50:54,830 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1954590852] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:54,830 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:54,830 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-01 16:50:54,830 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313105735] [2022-03-01 16:50:54,830 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:54,831 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-01 16:50:54,831 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:54,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-01 16:50:54,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2022-03-01 16:50:54,831 INFO L87 Difference]: Start difference. First operand 2927 states and 5599 transitions. Second operand has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:55,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:55,672 INFO L93 Difference]: Finished difference Result 5151 states and 9927 transitions. [2022-03-01 16:50:55,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-03-01 16:50:55,673 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-03-01 16:50:55,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:55,679 INFO L225 Difference]: With dead ends: 5151 [2022-03-01 16:50:55,679 INFO L226 Difference]: Without dead ends: 5151 [2022-03-01 16:50:55,679 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 247 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=219, Invalid=903, Unknown=0, NotChecked=0, Total=1122 [2022-03-01 16:50:55,680 INFO L933 BasicCegarLoop]: 319 mSDtfsCounter, 737 mSDsluCounter, 1551 mSDsCounter, 0 mSdLazyCounter, 1309 mSolverCounterSat, 289 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 737 SdHoareTripleChecker+Valid, 1868 SdHoareTripleChecker+Invalid, 1598 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 289 IncrementalHoareTripleChecker+Valid, 1309 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:55,680 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [737 Valid, 1868 Invalid, 1598 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [289 Valid, 1309 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-03-01 16:50:55,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5151 states. [2022-03-01 16:50:55,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5151 to 2922. [2022-03-01 16:50:55,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2922 states, 2908 states have (on average 1.921939477303989) internal successors, (5589), 2921 states have internal predecessors, (5589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:55,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2922 states to 2922 states and 5589 transitions. [2022-03-01 16:50:55,714 INFO L78 Accepts]: Start accepts. Automaton has 2922 states and 5589 transitions. Word has length 163 [2022-03-01 16:50:55,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:55,714 INFO L470 AbstractCegarLoop]: Abstraction has 2922 states and 5589 transitions. [2022-03-01 16:50:55,714 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:55,714 INFO L276 IsEmpty]: Start isEmpty. Operand 2922 states and 5589 transitions. [2022-03-01 16:50:55,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-01 16:50:55,715 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:55,715 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:50:55,715 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-03-01 16:50:55,716 INFO L402 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:50:55,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:55,716 INFO L85 PathProgramCache]: Analyzing trace with hash 1104811938, now seen corresponding path program 27 times [2022-03-01 16:50:55,716 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:55,716 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [22656215] [2022-03-01 16:50:55,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:55,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:55,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:55,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:50:55,884 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:55,884 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [22656215] [2022-03-01 16:50:55,884 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [22656215] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:55,884 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:55,884 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-01 16:50:55,884 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [759619060] [2022-03-01 16:50:55,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:55,884 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-01 16:50:55,884 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:55,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-01 16:50:55,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2022-03-01 16:50:55,885 INFO L87 Difference]: Start difference. First operand 2922 states and 5589 transitions. Second operand has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:56,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:56,668 INFO L93 Difference]: Finished difference Result 5033 states and 9695 transitions. [2022-03-01 16:50:56,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-03-01 16:50:56,668 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-03-01 16:50:56,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:56,675 INFO L225 Difference]: With dead ends: 5033 [2022-03-01 16:50:56,675 INFO L226 Difference]: Without dead ends: 5033 [2022-03-01 16:50:56,675 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 241 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=228, Invalid=894, Unknown=0, NotChecked=0, Total=1122 [2022-03-01 16:50:56,676 INFO L933 BasicCegarLoop]: 311 mSDtfsCounter, 684 mSDsluCounter, 1595 mSDsCounter, 0 mSdLazyCounter, 1199 mSolverCounterSat, 251 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 684 SdHoareTripleChecker+Valid, 1904 SdHoareTripleChecker+Invalid, 1450 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 251 IncrementalHoareTripleChecker+Valid, 1199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:56,676 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [684 Valid, 1904 Invalid, 1450 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [251 Valid, 1199 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-03-01 16:50:56,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5033 states. [2022-03-01 16:50:56,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5033 to 2924. [2022-03-01 16:50:56,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2924 states, 2910 states have (on average 1.9219931271477664) internal successors, (5593), 2923 states have internal predecessors, (5593), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:56,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2924 states to 2924 states and 5593 transitions. [2022-03-01 16:50:56,712 INFO L78 Accepts]: Start accepts. Automaton has 2924 states and 5593 transitions. Word has length 163 [2022-03-01 16:50:56,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:56,712 INFO L470 AbstractCegarLoop]: Abstraction has 2924 states and 5593 transitions. [2022-03-01 16:50:56,713 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:56,713 INFO L276 IsEmpty]: Start isEmpty. Operand 2924 states and 5593 transitions. [2022-03-01 16:50:56,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-01 16:50:56,714 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:56,714 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:50:56,714 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2022-03-01 16:50:56,714 INFO L402 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:50:56,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:56,714 INFO L85 PathProgramCache]: Analyzing trace with hash 1930591998, now seen corresponding path program 28 times [2022-03-01 16:50:56,714 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:56,714 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330849207] [2022-03-01 16:50:56,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:56,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:56,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:56,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:50:56,887 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:56,887 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1330849207] [2022-03-01 16:50:56,887 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1330849207] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:56,887 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:56,887 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-01 16:50:56,888 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773871869] [2022-03-01 16:50:56,888 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:56,888 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-01 16:50:56,888 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:56,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-01 16:50:56,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2022-03-01 16:50:56,888 INFO L87 Difference]: Start difference. First operand 2924 states and 5593 transitions. Second operand has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:57,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:57,844 INFO L93 Difference]: Finished difference Result 5128 states and 9885 transitions. [2022-03-01 16:50:57,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-03-01 16:50:57,844 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-03-01 16:50:57,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:57,849 INFO L225 Difference]: With dead ends: 5128 [2022-03-01 16:50:57,849 INFO L226 Difference]: Without dead ends: 5128 [2022-03-01 16:50:57,850 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 263 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=235, Invalid=955, Unknown=0, NotChecked=0, Total=1190 [2022-03-01 16:50:57,850 INFO L933 BasicCegarLoop]: 321 mSDtfsCounter, 553 mSDsluCounter, 1943 mSDsCounter, 0 mSdLazyCounter, 1550 mSolverCounterSat, 214 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 553 SdHoareTripleChecker+Valid, 2261 SdHoareTripleChecker+Invalid, 1764 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 214 IncrementalHoareTripleChecker+Valid, 1550 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:57,850 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [553 Valid, 2261 Invalid, 1764 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [214 Valid, 1550 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-03-01 16:50:57,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5128 states. [2022-03-01 16:50:57,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5128 to 2920. [2022-03-01 16:50:57,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2920 states, 2906 states have (on average 1.9218857536132141) internal successors, (5585), 2919 states have internal predecessors, (5585), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:57,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2920 states to 2920 states and 5585 transitions. [2022-03-01 16:50:57,881 INFO L78 Accepts]: Start accepts. Automaton has 2920 states and 5585 transitions. Word has length 163 [2022-03-01 16:50:57,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:57,881 INFO L470 AbstractCegarLoop]: Abstraction has 2920 states and 5585 transitions. [2022-03-01 16:50:57,881 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:57,881 INFO L276 IsEmpty]: Start isEmpty. Operand 2920 states and 5585 transitions. [2022-03-01 16:50:57,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-01 16:50:57,882 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:57,882 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:50:57,882 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2022-03-01 16:50:57,882 INFO L402 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:50:57,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:57,883 INFO L85 PathProgramCache]: Analyzing trace with hash -620108798, now seen corresponding path program 29 times [2022-03-01 16:50:57,883 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:57,883 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [516021365] [2022-03-01 16:50:57,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:57,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:57,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:58,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:50:58,050 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:58,050 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [516021365] [2022-03-01 16:50:58,050 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [516021365] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:58,050 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:58,050 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-01 16:50:58,050 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1106479616] [2022-03-01 16:50:58,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:58,050 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-01 16:50:58,050 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:58,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-01 16:50:58,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2022-03-01 16:50:58,051 INFO L87 Difference]: Start difference. First operand 2920 states and 5585 transitions. Second operand has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:59,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:50:59,044 INFO L93 Difference]: Finished difference Result 5156 states and 9935 transitions. [2022-03-01 16:50:59,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-03-01 16:50:59,044 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-03-01 16:50:59,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:50:59,050 INFO L225 Difference]: With dead ends: 5156 [2022-03-01 16:50:59,050 INFO L226 Difference]: Without dead ends: 5156 [2022-03-01 16:50:59,051 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 292 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=278, Invalid=1054, Unknown=0, NotChecked=0, Total=1332 [2022-03-01 16:50:59,051 INFO L933 BasicCegarLoop]: 322 mSDtfsCounter, 606 mSDsluCounter, 2252 mSDsCounter, 0 mSdLazyCounter, 1692 mSolverCounterSat, 201 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 606 SdHoareTripleChecker+Valid, 2572 SdHoareTripleChecker+Invalid, 1893 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 201 IncrementalHoareTripleChecker+Valid, 1692 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-03-01 16:50:59,051 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [606 Valid, 2572 Invalid, 1893 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [201 Valid, 1692 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-03-01 16:50:59,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5156 states. [2022-03-01 16:50:59,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5156 to 2925. [2022-03-01 16:50:59,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2925 states, 2911 states have (on average 1.9220199244245963) internal successors, (5595), 2924 states have internal predecessors, (5595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:59,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2925 states to 2925 states and 5595 transitions. [2022-03-01 16:50:59,089 INFO L78 Accepts]: Start accepts. Automaton has 2925 states and 5595 transitions. Word has length 163 [2022-03-01 16:50:59,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:50:59,089 INFO L470 AbstractCegarLoop]: Abstraction has 2925 states and 5595 transitions. [2022-03-01 16:50:59,090 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:50:59,090 INFO L276 IsEmpty]: Start isEmpty. Operand 2925 states and 5595 transitions. [2022-03-01 16:50:59,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-01 16:50:59,091 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:50:59,091 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:50:59,091 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2022-03-01 16:50:59,091 INFO L402 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:50:59,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:50:59,091 INFO L85 PathProgramCache]: Analyzing trace with hash -709653152, now seen corresponding path program 30 times [2022-03-01 16:50:59,091 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:50:59,091 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1092693479] [2022-03-01 16:50:59,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:50:59,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:50:59,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:50:59,253 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:50:59,253 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:50:59,253 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1092693479] [2022-03-01 16:50:59,253 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1092693479] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:50:59,253 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:50:59,253 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-01 16:50:59,253 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [869548229] [2022-03-01 16:50:59,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:50:59,254 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-01 16:50:59,254 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:50:59,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-01 16:50:59,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2022-03-01 16:50:59,254 INFO L87 Difference]: Start difference. First operand 2925 states and 5595 transitions. Second operand has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:00,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:51:00,182 INFO L93 Difference]: Finished difference Result 5179 states and 9985 transitions. [2022-03-01 16:51:00,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-03-01 16:51:00,183 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-03-01 16:51:00,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:51:00,189 INFO L225 Difference]: With dead ends: 5179 [2022-03-01 16:51:00,189 INFO L226 Difference]: Without dead ends: 5179 [2022-03-01 16:51:00,189 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 316 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=286, Invalid=1120, Unknown=0, NotChecked=0, Total=1406 [2022-03-01 16:51:00,190 INFO L933 BasicCegarLoop]: 329 mSDtfsCounter, 724 mSDsluCounter, 1679 mSDsCounter, 0 mSdLazyCounter, 1316 mSolverCounterSat, 274 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 724 SdHoareTripleChecker+Valid, 2006 SdHoareTripleChecker+Invalid, 1590 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 274 IncrementalHoareTripleChecker+Valid, 1316 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-03-01 16:51:00,190 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [724 Valid, 2006 Invalid, 1590 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [274 Valid, 1316 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-03-01 16:51:00,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5179 states. [2022-03-01 16:51:00,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5179 to 2917. [2022-03-01 16:51:00,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2917 states, 2903 states have (on average 1.921805029280055) internal successors, (5579), 2916 states have internal predecessors, (5579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:00,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2917 states to 2917 states and 5579 transitions. [2022-03-01 16:51:00,225 INFO L78 Accepts]: Start accepts. Automaton has 2917 states and 5579 transitions. Word has length 163 [2022-03-01 16:51:00,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:51:00,225 INFO L470 AbstractCegarLoop]: Abstraction has 2917 states and 5579 transitions. [2022-03-01 16:51:00,225 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:00,225 INFO L276 IsEmpty]: Start isEmpty. Operand 2917 states and 5579 transitions. [2022-03-01 16:51:00,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-01 16:51:00,226 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:51:00,226 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:51:00,226 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2022-03-01 16:51:00,226 INFO L402 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:51:00,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:51:00,227 INFO L85 PathProgramCache]: Analyzing trace with hash 1788071004, now seen corresponding path program 31 times [2022-03-01 16:51:00,227 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:51:00,227 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [613475995] [2022-03-01 16:51:00,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:51:00,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:51:00,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:51:00,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:51:00,425 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:51:00,425 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [613475995] [2022-03-01 16:51:00,425 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [613475995] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:51:00,425 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:51:00,425 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-01 16:51:00,425 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773571748] [2022-03-01 16:51:00,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:51:00,426 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-01 16:51:00,426 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:51:00,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-01 16:51:00,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2022-03-01 16:51:00,426 INFO L87 Difference]: Start difference. First operand 2917 states and 5579 transitions. Second operand has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:01,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:51:01,189 INFO L93 Difference]: Finished difference Result 4758 states and 9151 transitions. [2022-03-01 16:51:01,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-01 16:51:01,189 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-03-01 16:51:01,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:51:01,200 INFO L225 Difference]: With dead ends: 4758 [2022-03-01 16:51:01,200 INFO L226 Difference]: Without dead ends: 4758 [2022-03-01 16:51:01,201 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 118 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=153, Invalid=549, Unknown=0, NotChecked=0, Total=702 [2022-03-01 16:51:01,201 INFO L933 BasicCegarLoop]: 292 mSDtfsCounter, 455 mSDsluCounter, 1673 mSDsCounter, 0 mSdLazyCounter, 1187 mSolverCounterSat, 145 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 455 SdHoareTripleChecker+Valid, 1963 SdHoareTripleChecker+Invalid, 1332 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 145 IncrementalHoareTripleChecker+Valid, 1187 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-03-01 16:51:01,201 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [455 Valid, 1963 Invalid, 1332 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [145 Valid, 1187 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-03-01 16:51:01,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4758 states. [2022-03-01 16:51:01,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4758 to 2916. [2022-03-01 16:51:01,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2916 states, 2902 states have (on average 1.9217780840799448) internal successors, (5577), 2915 states have internal predecessors, (5577), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:01,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2916 states to 2916 states and 5577 transitions. [2022-03-01 16:51:01,233 INFO L78 Accepts]: Start accepts. Automaton has 2916 states and 5577 transitions. Word has length 163 [2022-03-01 16:51:01,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:51:01,234 INFO L470 AbstractCegarLoop]: Abstraction has 2916 states and 5577 transitions. [2022-03-01 16:51:01,234 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:01,234 INFO L276 IsEmpty]: Start isEmpty. Operand 2916 states and 5577 transitions. [2022-03-01 16:51:01,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-01 16:51:01,235 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:51:01,235 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:51:01,235 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2022-03-01 16:51:01,235 INFO L402 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:51:01,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:51:01,235 INFO L85 PathProgramCache]: Analyzing trace with hash -1673468460, now seen corresponding path program 32 times [2022-03-01 16:51:01,235 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:51:01,235 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [324901527] [2022-03-01 16:51:01,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:51:01,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:51:01,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:51:01,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:51:01,420 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:51:01,421 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [324901527] [2022-03-01 16:51:01,421 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [324901527] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:51:01,422 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:51:01,422 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-01 16:51:01,422 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1243392450] [2022-03-01 16:51:01,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:51:01,422 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-01 16:51:01,422 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:51:01,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-01 16:51:01,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2022-03-01 16:51:01,423 INFO L87 Difference]: Start difference. First operand 2916 states and 5577 transitions. Second operand has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:02,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:51:02,271 INFO L93 Difference]: Finished difference Result 4913 states and 9455 transitions. [2022-03-01 16:51:02,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-03-01 16:51:02,272 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-03-01 16:51:02,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:51:02,279 INFO L225 Difference]: With dead ends: 4913 [2022-03-01 16:51:02,279 INFO L226 Difference]: Without dead ends: 4913 [2022-03-01 16:51:02,279 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 159 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=185, Invalid=685, Unknown=0, NotChecked=0, Total=870 [2022-03-01 16:51:02,279 INFO L933 BasicCegarLoop]: 299 mSDtfsCounter, 446 mSDsluCounter, 1776 mSDsCounter, 0 mSdLazyCounter, 1260 mSolverCounterSat, 136 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 446 SdHoareTripleChecker+Valid, 2073 SdHoareTripleChecker+Invalid, 1396 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 136 IncrementalHoareTripleChecker+Valid, 1260 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-03-01 16:51:02,280 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [446 Valid, 2073 Invalid, 1396 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [136 Valid, 1260 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-03-01 16:51:02,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4913 states. [2022-03-01 16:51:02,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4913 to 2919. [2022-03-01 16:51:02,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2919 states, 2905 states have (on average 1.9218588640275387) internal successors, (5583), 2918 states have internal predecessors, (5583), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:02,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2919 states to 2919 states and 5583 transitions. [2022-03-01 16:51:02,312 INFO L78 Accepts]: Start accepts. Automaton has 2919 states and 5583 transitions. Word has length 163 [2022-03-01 16:51:02,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:51:02,312 INFO L470 AbstractCegarLoop]: Abstraction has 2919 states and 5583 transitions. [2022-03-01 16:51:02,312 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:02,312 INFO L276 IsEmpty]: Start isEmpty. Operand 2919 states and 5583 transitions. [2022-03-01 16:51:02,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-01 16:51:02,313 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:51:02,313 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:51:02,313 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2022-03-01 16:51:02,314 INFO L402 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:51:02,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:51:02,314 INFO L85 PathProgramCache]: Analyzing trace with hash 506094470, now seen corresponding path program 33 times [2022-03-01 16:51:02,314 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:51:02,314 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2106155746] [2022-03-01 16:51:02,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:51:02,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:51:02,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:51:02,487 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:51:02,487 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:51:02,487 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2106155746] [2022-03-01 16:51:02,487 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2106155746] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:51:02,487 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:51:02,487 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-01 16:51:02,487 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504124538] [2022-03-01 16:51:02,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:51:02,487 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-01 16:51:02,487 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:51:02,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-01 16:51:02,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2022-03-01 16:51:02,488 INFO L87 Difference]: Start difference. First operand 2919 states and 5583 transitions. Second operand has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:03,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:51:03,357 INFO L93 Difference]: Finished difference Result 4969 states and 9571 transitions. [2022-03-01 16:51:03,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-03-01 16:51:03,358 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-03-01 16:51:03,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:51:03,364 INFO L225 Difference]: With dead ends: 4969 [2022-03-01 16:51:03,364 INFO L226 Difference]: Without dead ends: 4969 [2022-03-01 16:51:03,364 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 232 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=238, Invalid=884, Unknown=0, NotChecked=0, Total=1122 [2022-03-01 16:51:03,364 INFO L933 BasicCegarLoop]: 312 mSDtfsCounter, 479 mSDsluCounter, 1795 mSDsCounter, 0 mSdLazyCounter, 1319 mSolverCounterSat, 171 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 479 SdHoareTripleChecker+Valid, 2104 SdHoareTripleChecker+Invalid, 1490 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 171 IncrementalHoareTripleChecker+Valid, 1319 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-03-01 16:51:03,365 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [479 Valid, 2104 Invalid, 1490 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [171 Valid, 1319 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-03-01 16:51:03,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4969 states. [2022-03-01 16:51:03,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4969 to 2915. [2022-03-01 16:51:03,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2915 states, 2901 states have (on average 1.9217511203033437) internal successors, (5575), 2914 states have internal predecessors, (5575), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:03,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2915 states to 2915 states and 5575 transitions. [2022-03-01 16:51:03,395 INFO L78 Accepts]: Start accepts. Automaton has 2915 states and 5575 transitions. Word has length 163 [2022-03-01 16:51:03,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:51:03,395 INFO L470 AbstractCegarLoop]: Abstraction has 2915 states and 5575 transitions. [2022-03-01 16:51:03,395 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:03,395 INFO L276 IsEmpty]: Start isEmpty. Operand 2915 states and 5575 transitions. [2022-03-01 16:51:03,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-01 16:51:03,396 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:51:03,396 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:51:03,396 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2022-03-01 16:51:03,396 INFO L402 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:51:03,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:51:03,397 INFO L85 PathProgramCache]: Analyzing trace with hash 1276629582, now seen corresponding path program 34 times [2022-03-01 16:51:03,397 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:51:03,397 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174520959] [2022-03-01 16:51:03,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:51:03,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:51:03,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:51:03,579 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:51:03,579 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:51:03,579 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [174520959] [2022-03-01 16:51:03,579 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [174520959] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:51:03,579 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:51:03,579 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-01 16:51:03,579 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674953657] [2022-03-01 16:51:03,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:51:03,580 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-01 16:51:03,580 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:51:03,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-01 16:51:03,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2022-03-01 16:51:03,580 INFO L87 Difference]: Start difference. First operand 2915 states and 5575 transitions. Second operand has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:04,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:51:04,325 INFO L93 Difference]: Finished difference Result 4892 states and 9413 transitions. [2022-03-01 16:51:04,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-03-01 16:51:04,325 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-03-01 16:51:04,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:51:04,331 INFO L225 Difference]: With dead ends: 4892 [2022-03-01 16:51:04,331 INFO L226 Difference]: Without dead ends: 4892 [2022-03-01 16:51:04,332 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 174 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=198, Invalid=732, Unknown=0, NotChecked=0, Total=930 [2022-03-01 16:51:04,332 INFO L933 BasicCegarLoop]: 297 mSDtfsCounter, 562 mSDsluCounter, 1504 mSDsCounter, 0 mSdLazyCounter, 1074 mSolverCounterSat, 189 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 562 SdHoareTripleChecker+Valid, 1799 SdHoareTripleChecker+Invalid, 1263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 189 IncrementalHoareTripleChecker+Valid, 1074 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-03-01 16:51:04,332 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [562 Valid, 1799 Invalid, 1263 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [189 Valid, 1074 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-03-01 16:51:04,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4892 states. [2022-03-01 16:51:04,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4892 to 2921. [2022-03-01 16:51:04,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2921 states, 2907 states have (on average 1.9219126246990024) internal successors, (5587), 2920 states have internal predecessors, (5587), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:04,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2921 states to 2921 states and 5587 transitions. [2022-03-01 16:51:04,362 INFO L78 Accepts]: Start accepts. Automaton has 2921 states and 5587 transitions. Word has length 163 [2022-03-01 16:51:04,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:51:04,362 INFO L470 AbstractCegarLoop]: Abstraction has 2921 states and 5587 transitions. [2022-03-01 16:51:04,362 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:04,362 INFO L276 IsEmpty]: Start isEmpty. Operand 2921 states and 5587 transitions. [2022-03-01 16:51:04,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-01 16:51:04,363 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:51:04,363 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:51:04,363 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2022-03-01 16:51:04,364 INFO L402 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:51:04,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:51:04,364 INFO L85 PathProgramCache]: Analyzing trace with hash -838774784, now seen corresponding path program 35 times [2022-03-01 16:51:04,364 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:51:04,364 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1806643161] [2022-03-01 16:51:04,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:51:04,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:51:04,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:51:04,526 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:51:04,526 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:51:04,526 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1806643161] [2022-03-01 16:51:04,526 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1806643161] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:51:04,527 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:51:04,527 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-01 16:51:04,527 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2037898038] [2022-03-01 16:51:04,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:51:04,527 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-01 16:51:04,527 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:51:04,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-01 16:51:04,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2022-03-01 16:51:04,527 INFO L87 Difference]: Start difference. First operand 2921 states and 5587 transitions. Second operand has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:05,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:51:05,561 INFO L93 Difference]: Finished difference Result 5139 states and 9905 transitions. [2022-03-01 16:51:05,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-01 16:51:05,561 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-03-01 16:51:05,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:51:05,568 INFO L225 Difference]: With dead ends: 5139 [2022-03-01 16:51:05,568 INFO L226 Difference]: Without dead ends: 5139 [2022-03-01 16:51:05,569 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 265 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=266, Invalid=994, Unknown=0, NotChecked=0, Total=1260 [2022-03-01 16:51:05,570 INFO L933 BasicCegarLoop]: 319 mSDtfsCounter, 485 mSDsluCounter, 2440 mSDsCounter, 0 mSdLazyCounter, 1803 mSolverCounterSat, 169 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 485 SdHoareTripleChecker+Valid, 2756 SdHoareTripleChecker+Invalid, 1972 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 169 IncrementalHoareTripleChecker+Valid, 1803 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-03-01 16:51:05,570 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [485 Valid, 2756 Invalid, 1972 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [169 Valid, 1803 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-03-01 16:51:05,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5139 states. [2022-03-01 16:51:05,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5139 to 2918. [2022-03-01 16:51:05,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2918 states, 2904 states have (on average 1.921831955922865) internal successors, (5581), 2917 states have internal predecessors, (5581), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:05,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2918 states to 2918 states and 5581 transitions. [2022-03-01 16:51:05,607 INFO L78 Accepts]: Start accepts. Automaton has 2918 states and 5581 transitions. Word has length 163 [2022-03-01 16:51:05,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:51:05,608 INFO L470 AbstractCegarLoop]: Abstraction has 2918 states and 5581 transitions. [2022-03-01 16:51:05,608 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:05,608 INFO L276 IsEmpty]: Start isEmpty. Operand 2918 states and 5581 transitions. [2022-03-01 16:51:05,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-01 16:51:05,609 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:51:05,609 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:51:05,609 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2022-03-01 16:51:05,609 INFO L402 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:51:05,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:51:05,609 INFO L85 PathProgramCache]: Analyzing trace with hash 2117017922, now seen corresponding path program 36 times [2022-03-01 16:51:05,609 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:51:05,609 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2046371979] [2022-03-01 16:51:05,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:51:05,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:51:05,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:51:05,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:51:05,763 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:51:05,763 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2046371979] [2022-03-01 16:51:05,763 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2046371979] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:51:05,763 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:51:05,763 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-01 16:51:05,763 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24701636] [2022-03-01 16:51:05,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:51:05,763 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-01 16:51:05,763 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:51:05,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-01 16:51:05,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2022-03-01 16:51:05,764 INFO L87 Difference]: Start difference. First operand 2918 states and 5581 transitions. Second operand has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:06,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:51:06,687 INFO L93 Difference]: Finished difference Result 5096 states and 9821 transitions. [2022-03-01 16:51:06,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-03-01 16:51:06,687 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-03-01 16:51:06,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:51:06,694 INFO L225 Difference]: With dead ends: 5096 [2022-03-01 16:51:06,694 INFO L226 Difference]: Without dead ends: 5096 [2022-03-01 16:51:06,694 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 293 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=269, Invalid=1063, Unknown=0, NotChecked=0, Total=1332 [2022-03-01 16:51:06,695 INFO L933 BasicCegarLoop]: 318 mSDtfsCounter, 508 mSDsluCounter, 1943 mSDsCounter, 0 mSdLazyCounter, 1443 mSolverCounterSat, 184 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 508 SdHoareTripleChecker+Valid, 2258 SdHoareTripleChecker+Invalid, 1627 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 184 IncrementalHoareTripleChecker+Valid, 1443 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-03-01 16:51:06,695 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [508 Valid, 2258 Invalid, 1627 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [184 Valid, 1443 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-03-01 16:51:06,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5096 states. [2022-03-01 16:51:06,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5096 to 2920. [2022-03-01 16:51:06,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2920 states, 2906 states have (on average 1.9218857536132141) internal successors, (5585), 2919 states have internal predecessors, (5585), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:06,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2920 states to 2920 states and 5585 transitions. [2022-03-01 16:51:06,751 INFO L78 Accepts]: Start accepts. Automaton has 2920 states and 5585 transitions. Word has length 163 [2022-03-01 16:51:06,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:51:06,751 INFO L470 AbstractCegarLoop]: Abstraction has 2920 states and 5585 transitions. [2022-03-01 16:51:06,751 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:06,751 INFO L276 IsEmpty]: Start isEmpty. Operand 2920 states and 5585 transitions. [2022-03-01 16:51:06,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-01 16:51:06,752 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:51:06,752 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:51:06,752 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2022-03-01 16:51:06,752 INFO L402 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:51:06,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:51:06,753 INFO L85 PathProgramCache]: Analyzing trace with hash 2027473568, now seen corresponding path program 37 times [2022-03-01 16:51:06,753 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:51:06,753 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1381771304] [2022-03-01 16:51:06,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:51:06,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:51:06,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:51:06,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:51:06,916 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:51:06,916 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1381771304] [2022-03-01 16:51:06,916 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1381771304] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:51:06,916 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:51:06,916 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-01 16:51:06,916 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437968515] [2022-03-01 16:51:06,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:51:06,917 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-01 16:51:06,917 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:51:06,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-01 16:51:06,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2022-03-01 16:51:06,917 INFO L87 Difference]: Start difference. First operand 2920 states and 5585 transitions. Second operand has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:07,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:51:07,850 INFO L93 Difference]: Finished difference Result 5053 states and 9739 transitions. [2022-03-01 16:51:07,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-03-01 16:51:07,850 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-03-01 16:51:07,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:51:07,856 INFO L225 Difference]: With dead ends: 5053 [2022-03-01 16:51:07,856 INFO L226 Difference]: Without dead ends: 5053 [2022-03-01 16:51:07,856 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 319 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=275, Invalid=1131, Unknown=0, NotChecked=0, Total=1406 [2022-03-01 16:51:07,857 INFO L933 BasicCegarLoop]: 325 mSDtfsCounter, 627 mSDsluCounter, 1845 mSDsCounter, 0 mSdLazyCounter, 1455 mSolverCounterSat, 222 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 627 SdHoareTripleChecker+Valid, 2168 SdHoareTripleChecker+Invalid, 1677 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 222 IncrementalHoareTripleChecker+Valid, 1455 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-03-01 16:51:07,857 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [627 Valid, 2168 Invalid, 1677 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [222 Valid, 1455 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-03-01 16:51:07,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5053 states. [2022-03-01 16:51:07,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5053 to 2913. [2022-03-01 16:51:07,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2913 states, 2899 states have (on average 1.9216971369437736) internal successors, (5571), 2912 states have internal predecessors, (5571), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:07,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2913 states to 2913 states and 5571 transitions. [2022-03-01 16:51:07,891 INFO L78 Accepts]: Start accepts. Automaton has 2913 states and 5571 transitions. Word has length 163 [2022-03-01 16:51:07,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:51:07,891 INFO L470 AbstractCegarLoop]: Abstraction has 2913 states and 5571 transitions. [2022-03-01 16:51:07,891 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:07,891 INFO L276 IsEmpty]: Start isEmpty. Operand 2913 states and 5571 transitions. [2022-03-01 16:51:07,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-01 16:51:07,892 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:51:07,892 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:51:07,893 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2022-03-01 16:51:07,893 INFO L402 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:51:07,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:51:07,893 INFO L85 PathProgramCache]: Analyzing trace with hash 337480590, now seen corresponding path program 38 times [2022-03-01 16:51:07,893 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:51:07,893 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [296205001] [2022-03-01 16:51:07,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:51:07,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:51:07,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:51:08,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:51:08,064 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:51:08,064 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [296205001] [2022-03-01 16:51:08,064 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [296205001] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:51:08,064 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:51:08,064 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-01 16:51:08,065 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15340380] [2022-03-01 16:51:08,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:51:08,065 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-01 16:51:08,065 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:51:08,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-01 16:51:08,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2022-03-01 16:51:08,065 INFO L87 Difference]: Start difference. First operand 2913 states and 5571 transitions. Second operand has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:08,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:51:08,941 INFO L93 Difference]: Finished difference Result 4159 states and 7975 transitions. [2022-03-01 16:51:08,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-03-01 16:51:08,942 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-03-01 16:51:08,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:51:08,947 INFO L225 Difference]: With dead ends: 4159 [2022-03-01 16:51:08,947 INFO L226 Difference]: Without dead ends: 4159 [2022-03-01 16:51:08,947 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 180 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=276, Invalid=846, Unknown=0, NotChecked=0, Total=1122 [2022-03-01 16:51:08,947 INFO L933 BasicCegarLoop]: 373 mSDtfsCounter, 772 mSDsluCounter, 1927 mSDsCounter, 0 mSdLazyCounter, 1493 mSolverCounterSat, 165 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 772 SdHoareTripleChecker+Valid, 2297 SdHoareTripleChecker+Invalid, 1658 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 165 IncrementalHoareTripleChecker+Valid, 1493 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-03-01 16:51:08,947 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [772 Valid, 2297 Invalid, 1658 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [165 Valid, 1493 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-03-01 16:51:08,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4159 states. [2022-03-01 16:51:08,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4159 to 2920. [2022-03-01 16:51:08,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2920 states, 2906 states have (on average 1.9218857536132141) internal successors, (5585), 2919 states have internal predecessors, (5585), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:08,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2920 states to 2920 states and 5585 transitions. [2022-03-01 16:51:08,978 INFO L78 Accepts]: Start accepts. Automaton has 2920 states and 5585 transitions. Word has length 163 [2022-03-01 16:51:08,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:51:08,978 INFO L470 AbstractCegarLoop]: Abstraction has 2920 states and 5585 transitions. [2022-03-01 16:51:08,978 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:08,979 INFO L276 IsEmpty]: Start isEmpty. Operand 2920 states and 5585 transitions. [2022-03-01 16:51:08,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-01 16:51:08,979 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:51:08,980 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:51:08,980 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2022-03-01 16:51:08,980 INFO L402 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:51:08,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:51:08,980 INFO L85 PathProgramCache]: Analyzing trace with hash 237440490, now seen corresponding path program 39 times [2022-03-01 16:51:08,980 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:51:08,980 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [705927056] [2022-03-01 16:51:08,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:51:08,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:51:09,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:51:09,120 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:51:09,120 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:51:09,120 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [705927056] [2022-03-01 16:51:09,120 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [705927056] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:51:09,120 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:51:09,120 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-01 16:51:09,120 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016375567] [2022-03-01 16:51:09,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:51:09,121 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-01 16:51:09,121 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:51:09,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-01 16:51:09,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2022-03-01 16:51:09,121 INFO L87 Difference]: Start difference. First operand 2920 states and 5585 transitions. Second operand has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:10,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:51:10,263 INFO L93 Difference]: Finished difference Result 5506 states and 10565 transitions. [2022-03-01 16:51:10,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-03-01 16:51:10,263 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-03-01 16:51:10,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:51:10,270 INFO L225 Difference]: With dead ends: 5506 [2022-03-01 16:51:10,270 INFO L226 Difference]: Without dead ends: 5506 [2022-03-01 16:51:10,270 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 277 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=259, Invalid=1001, Unknown=0, NotChecked=0, Total=1260 [2022-03-01 16:51:10,271 INFO L933 BasicCegarLoop]: 329 mSDtfsCounter, 701 mSDsluCounter, 2520 mSDsCounter, 0 mSdLazyCounter, 2064 mSolverCounterSat, 235 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 701 SdHoareTripleChecker+Valid, 2846 SdHoareTripleChecker+Invalid, 2299 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 235 IncrementalHoareTripleChecker+Valid, 2064 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-03-01 16:51:10,271 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [701 Valid, 2846 Invalid, 2299 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [235 Valid, 2064 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-03-01 16:51:10,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5506 states. [2022-03-01 16:51:10,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5506 to 2915. [2022-03-01 16:51:10,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2915 states, 2901 states have (on average 1.9217511203033437) internal successors, (5575), 2914 states have internal predecessors, (5575), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:10,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2915 states to 2915 states and 5575 transitions. [2022-03-01 16:51:10,306 INFO L78 Accepts]: Start accepts. Automaton has 2915 states and 5575 transitions. Word has length 163 [2022-03-01 16:51:10,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:51:10,306 INFO L470 AbstractCegarLoop]: Abstraction has 2915 states and 5575 transitions. [2022-03-01 16:51:10,306 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:10,306 INFO L276 IsEmpty]: Start isEmpty. Operand 2915 states and 5575 transitions. [2022-03-01 16:51:10,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-01 16:51:10,307 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:51:10,307 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:51:10,307 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2022-03-01 16:51:10,307 INFO L402 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:51:10,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:51:10,308 INFO L85 PathProgramCache]: Analyzing trace with hash 562343530, now seen corresponding path program 40 times [2022-03-01 16:51:10,308 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:51:10,308 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [735071852] [2022-03-01 16:51:10,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:51:10,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:51:10,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:51:10,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:51:10,465 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:51:10,465 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [735071852] [2022-03-01 16:51:10,465 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [735071852] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:51:10,465 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:51:10,465 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-01 16:51:10,466 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [917719593] [2022-03-01 16:51:10,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:51:10,466 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-01 16:51:10,466 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:51:10,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-01 16:51:10,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2022-03-01 16:51:10,466 INFO L87 Difference]: Start difference. First operand 2915 states and 5575 transitions. Second operand has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:11,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:51:11,546 INFO L93 Difference]: Finished difference Result 5388 states and 10333 transitions. [2022-03-01 16:51:11,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-03-01 16:51:11,546 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-03-01 16:51:11,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:51:11,552 INFO L225 Difference]: With dead ends: 5388 [2022-03-01 16:51:11,552 INFO L226 Difference]: Without dead ends: 5388 [2022-03-01 16:51:11,553 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 272 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=269, Invalid=991, Unknown=0, NotChecked=0, Total=1260 [2022-03-01 16:51:11,553 INFO L933 BasicCegarLoop]: 330 mSDtfsCounter, 735 mSDsluCounter, 2360 mSDsCounter, 0 mSdLazyCounter, 1821 mSolverCounterSat, 235 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 735 SdHoareTripleChecker+Valid, 2687 SdHoareTripleChecker+Invalid, 2056 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 235 IncrementalHoareTripleChecker+Valid, 1821 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-03-01 16:51:11,553 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [735 Valid, 2687 Invalid, 2056 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [235 Valid, 1821 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-03-01 16:51:11,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5388 states. [2022-03-01 16:51:11,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5388 to 2917. [2022-03-01 16:51:11,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2917 states, 2903 states have (on average 1.921805029280055) internal successors, (5579), 2916 states have internal predecessors, (5579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:11,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2917 states to 2917 states and 5579 transitions. [2022-03-01 16:51:11,587 INFO L78 Accepts]: Start accepts. Automaton has 2917 states and 5579 transitions. Word has length 163 [2022-03-01 16:51:11,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:51:11,587 INFO L470 AbstractCegarLoop]: Abstraction has 2917 states and 5579 transitions. [2022-03-01 16:51:11,587 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:11,587 INFO L276 IsEmpty]: Start isEmpty. Operand 2917 states and 5579 transitions. [2022-03-01 16:51:11,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-01 16:51:11,588 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:51:11,588 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:51:11,588 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2022-03-01 16:51:11,588 INFO L402 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:51:11,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:51:11,589 INFO L85 PathProgramCache]: Analyzing trace with hash 1388123590, now seen corresponding path program 41 times [2022-03-01 16:51:11,589 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:51:11,589 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [509198508] [2022-03-01 16:51:11,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:51:11,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:51:11,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:51:11,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:51:11,725 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:51:11,725 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [509198508] [2022-03-01 16:51:11,725 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [509198508] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:51:11,725 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:51:11,726 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-01 16:51:11,726 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [365316308] [2022-03-01 16:51:11,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:51:11,726 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-01 16:51:11,726 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:51:11,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-01 16:51:11,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2022-03-01 16:51:11,726 INFO L87 Difference]: Start difference. First operand 2917 states and 5579 transitions. Second operand has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:12,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:51:12,666 INFO L93 Difference]: Finished difference Result 5483 states and 10523 transitions. [2022-03-01 16:51:12,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-03-01 16:51:12,667 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-03-01 16:51:12,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:51:12,673 INFO L225 Difference]: With dead ends: 5483 [2022-03-01 16:51:12,673 INFO L226 Difference]: Without dead ends: 5483 [2022-03-01 16:51:12,674 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 294 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=278, Invalid=1054, Unknown=0, NotChecked=0, Total=1332 [2022-03-01 16:51:12,675 INFO L933 BasicCegarLoop]: 340 mSDtfsCounter, 951 mSDsluCounter, 1802 mSDsCounter, 0 mSdLazyCounter, 1436 mSolverCounterSat, 322 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 951 SdHoareTripleChecker+Valid, 2140 SdHoareTripleChecker+Invalid, 1758 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 322 IncrementalHoareTripleChecker+Valid, 1436 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-03-01 16:51:12,675 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [951 Valid, 2140 Invalid, 1758 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [322 Valid, 1436 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-03-01 16:51:12,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5483 states. [2022-03-01 16:51:12,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5483 to 2913. [2022-03-01 16:51:12,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2913 states, 2899 states have (on average 1.9216971369437736) internal successors, (5571), 2912 states have internal predecessors, (5571), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:12,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2913 states to 2913 states and 5571 transitions. [2022-03-01 16:51:12,710 INFO L78 Accepts]: Start accepts. Automaton has 2913 states and 5571 transitions. Word has length 163 [2022-03-01 16:51:12,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:51:12,710 INFO L470 AbstractCegarLoop]: Abstraction has 2913 states and 5571 transitions. [2022-03-01 16:51:12,710 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:12,710 INFO L276 IsEmpty]: Start isEmpty. Operand 2913 states and 5571 transitions. [2022-03-01 16:51:12,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-01 16:51:12,711 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:51:12,711 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:51:12,711 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2022-03-01 16:51:12,711 INFO L402 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:51:12,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:51:12,712 INFO L85 PathProgramCache]: Analyzing trace with hash -1162577206, now seen corresponding path program 42 times [2022-03-01 16:51:12,712 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:51:12,712 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1565124421] [2022-03-01 16:51:12,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:51:12,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:51:12,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:51:12,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:51:12,868 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:51:12,868 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1565124421] [2022-03-01 16:51:12,868 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1565124421] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:51:12,868 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:51:12,868 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-01 16:51:12,868 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [200124311] [2022-03-01 16:51:12,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:51:12,869 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-01 16:51:12,869 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:51:12,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-01 16:51:12,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2022-03-01 16:51:12,869 INFO L87 Difference]: Start difference. First operand 2913 states and 5571 transitions. Second operand has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:14,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:51:14,014 INFO L93 Difference]: Finished difference Result 5442 states and 10439 transitions. [2022-03-01 16:51:14,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-03-01 16:51:14,014 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-03-01 16:51:14,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:51:14,020 INFO L225 Difference]: With dead ends: 5442 [2022-03-01 16:51:14,021 INFO L226 Difference]: Without dead ends: 5442 [2022-03-01 16:51:14,021 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 299 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=310, Invalid=1096, Unknown=0, NotChecked=0, Total=1406 [2022-03-01 16:51:14,021 INFO L933 BasicCegarLoop]: 369 mSDtfsCounter, 881 mSDsluCounter, 2295 mSDsCounter, 0 mSdLazyCounter, 1924 mSolverCounterSat, 273 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 881 SdHoareTripleChecker+Valid, 2662 SdHoareTripleChecker+Invalid, 2197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 273 IncrementalHoareTripleChecker+Valid, 1924 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-03-01 16:51:14,021 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [881 Valid, 2662 Invalid, 2197 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [273 Valid, 1924 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-03-01 16:51:14,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5442 states. [2022-03-01 16:51:14,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5442 to 2909. [2022-03-01 16:51:14,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2909 states, 2895 states have (on average 1.9215889464594127) internal successors, (5563), 2908 states have internal predecessors, (5563), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:14,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2909 states to 2909 states and 5563 transitions. [2022-03-01 16:51:14,053 INFO L78 Accepts]: Start accepts. Automaton has 2909 states and 5563 transitions. Word has length 163 [2022-03-01 16:51:14,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:51:14,054 INFO L470 AbstractCegarLoop]: Abstraction has 2909 states and 5563 transitions. [2022-03-01 16:51:14,054 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:14,054 INFO L276 IsEmpty]: Start isEmpty. Operand 2909 states and 5563 transitions. [2022-03-01 16:51:14,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-01 16:51:14,055 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:51:14,055 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:51:14,055 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2022-03-01 16:51:14,055 INFO L402 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:51:14,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:51:14,055 INFO L85 PathProgramCache]: Analyzing trace with hash -1252121560, now seen corresponding path program 43 times [2022-03-01 16:51:14,055 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:51:14,055 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1365009395] [2022-03-01 16:51:14,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:51:14,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:51:14,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:51:14,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:51:14,210 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:51:14,210 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1365009395] [2022-03-01 16:51:14,210 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1365009395] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:51:14,210 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:51:14,210 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-01 16:51:14,210 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435414718] [2022-03-01 16:51:14,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:51:14,211 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-01 16:51:14,211 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:51:14,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-01 16:51:14,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2022-03-01 16:51:14,211 INFO L87 Difference]: Start difference. First operand 2909 states and 5563 transitions. Second operand has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:15,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:51:15,323 INFO L93 Difference]: Finished difference Result 5465 states and 10489 transitions. [2022-03-01 16:51:15,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-03-01 16:51:15,323 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-03-01 16:51:15,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:51:15,329 INFO L225 Difference]: With dead ends: 5465 [2022-03-01 16:51:15,329 INFO L226 Difference]: Without dead ends: 5465 [2022-03-01 16:51:15,330 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 322 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=320, Invalid=1162, Unknown=0, NotChecked=0, Total=1482 [2022-03-01 16:51:15,330 INFO L933 BasicCegarLoop]: 367 mSDtfsCounter, 1049 mSDsluCounter, 1933 mSDsCounter, 0 mSdLazyCounter, 1699 mSolverCounterSat, 363 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1049 SdHoareTripleChecker+Valid, 2298 SdHoareTripleChecker+Invalid, 2062 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 363 IncrementalHoareTripleChecker+Valid, 1699 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-03-01 16:51:15,330 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1049 Valid, 2298 Invalid, 2062 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [363 Valid, 1699 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-03-01 16:51:15,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5465 states. [2022-03-01 16:51:15,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5465 to 2901. [2022-03-01 16:51:15,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2901 states, 2887 states have (on average 1.921371666089366) internal successors, (5547), 2900 states have internal predecessors, (5547), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:15,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2901 states to 2901 states and 5547 transitions. [2022-03-01 16:51:15,362 INFO L78 Accepts]: Start accepts. Automaton has 2901 states and 5547 transitions. Word has length 163 [2022-03-01 16:51:15,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:51:15,362 INFO L470 AbstractCegarLoop]: Abstraction has 2901 states and 5547 transitions. [2022-03-01 16:51:15,362 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:15,362 INFO L276 IsEmpty]: Start isEmpty. Operand 2901 states and 5547 transitions. [2022-03-01 16:51:15,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-01 16:51:15,363 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:51:15,363 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:51:15,363 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2022-03-01 16:51:15,363 INFO L402 AbstractCegarLoop]: === Iteration 55 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:51:15,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:51:15,363 INFO L85 PathProgramCache]: Analyzing trace with hash 1804675194, now seen corresponding path program 1 times [2022-03-01 16:51:15,364 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:51:15,364 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1421817452] [2022-03-01 16:51:15,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:51:15,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:51:15,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:51:15,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:51:15,594 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:51:15,594 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1421817452] [2022-03-01 16:51:15,594 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1421817452] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:51:15,594 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:51:15,594 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-01 16:51:15,594 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1019549538] [2022-03-01 16:51:15,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:51:15,594 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-01 16:51:15,594 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:51:15,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-01 16:51:15,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2022-03-01 16:51:15,595 INFO L87 Difference]: Start difference. First operand 2901 states and 5547 transitions. Second operand has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:15,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:51:15,983 INFO L93 Difference]: Finished difference Result 2904 states and 5549 transitions. [2022-03-01 16:51:15,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-01 16:51:15,983 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-03-01 16:51:15,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:51:15,987 INFO L225 Difference]: With dead ends: 2904 [2022-03-01 16:51:15,987 INFO L226 Difference]: Without dead ends: 2904 [2022-03-01 16:51:15,987 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=107, Invalid=313, Unknown=0, NotChecked=0, Total=420 [2022-03-01 16:51:15,987 INFO L933 BasicCegarLoop]: 367 mSDtfsCounter, 580 mSDsluCounter, 1701 mSDsCounter, 0 mSdLazyCounter, 726 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 580 SdHoareTripleChecker+Valid, 2067 SdHoareTripleChecker+Invalid, 765 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 726 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:51:15,987 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [580 Valid, 2067 Invalid, 765 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 726 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-01 16:51:15,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2904 states. [2022-03-01 16:51:16,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2904 to 2836. [2022-03-01 16:51:16,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2836 states, 2823 states have (on average 1.9178179241941198) internal successors, (5414), 2835 states have internal predecessors, (5414), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:16,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2836 states to 2836 states and 5414 transitions. [2022-03-01 16:51:16,023 INFO L78 Accepts]: Start accepts. Automaton has 2836 states and 5414 transitions. Word has length 163 [2022-03-01 16:51:16,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:51:16,023 INFO L470 AbstractCegarLoop]: Abstraction has 2836 states and 5414 transitions. [2022-03-01 16:51:16,023 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:16,023 INFO L276 IsEmpty]: Start isEmpty. Operand 2836 states and 5414 transitions. [2022-03-01 16:51:16,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-01 16:51:16,024 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:51:16,024 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:51:16,024 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2022-03-01 16:51:16,024 INFO L402 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:51:16,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:51:16,025 INFO L85 PathProgramCache]: Analyzing trace with hash 512039702, now seen corresponding path program 44 times [2022-03-01 16:51:16,025 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:51:16,025 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [976487008] [2022-03-01 16:51:16,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:51:16,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:51:16,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:51:16,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:51:16,223 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:51:16,223 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [976487008] [2022-03-01 16:51:16,223 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [976487008] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:51:16,223 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:51:16,223 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-01 16:51:16,223 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406360137] [2022-03-01 16:51:16,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:51:16,223 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-01 16:51:16,223 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:51:16,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-01 16:51:16,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2022-03-01 16:51:16,224 INFO L87 Difference]: Start difference. First operand 2836 states and 5414 transitions. Second operand has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:17,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:51:17,075 INFO L93 Difference]: Finished difference Result 3861 states and 7388 transitions. [2022-03-01 16:51:17,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-03-01 16:51:17,076 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-03-01 16:51:17,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:51:17,080 INFO L225 Difference]: With dead ends: 3861 [2022-03-01 16:51:17,080 INFO L226 Difference]: Without dead ends: 3861 [2022-03-01 16:51:17,080 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 242 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=307, Invalid=1025, Unknown=0, NotChecked=0, Total=1332 [2022-03-01 16:51:17,081 INFO L933 BasicCegarLoop]: 372 mSDtfsCounter, 740 mSDsluCounter, 1895 mSDsCounter, 0 mSdLazyCounter, 1293 mSolverCounterSat, 137 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 740 SdHoareTripleChecker+Valid, 2264 SdHoareTripleChecker+Invalid, 1430 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 137 IncrementalHoareTripleChecker+Valid, 1293 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-03-01 16:51:17,081 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [740 Valid, 2264 Invalid, 1430 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [137 Valid, 1293 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-03-01 16:51:17,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3861 states. [2022-03-01 16:51:17,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3861 to 2835. [2022-03-01 16:51:17,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2835 states, 2822 states have (on average 1.917788802267895) internal successors, (5412), 2834 states have internal predecessors, (5412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:17,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2835 states to 2835 states and 5412 transitions. [2022-03-01 16:51:17,106 INFO L78 Accepts]: Start accepts. Automaton has 2835 states and 5412 transitions. Word has length 163 [2022-03-01 16:51:17,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:51:17,106 INFO L470 AbstractCegarLoop]: Abstraction has 2835 states and 5412 transitions. [2022-03-01 16:51:17,106 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:17,106 INFO L276 IsEmpty]: Start isEmpty. Operand 2835 states and 5412 transitions. [2022-03-01 16:51:17,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-01 16:51:17,107 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:51:17,107 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:51:17,107 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2022-03-01 16:51:17,107 INFO L402 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:51:17,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:51:17,108 INFO L85 PathProgramCache]: Analyzing trace with hash 411999602, now seen corresponding path program 45 times [2022-03-01 16:51:17,108 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:51:17,108 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [116484732] [2022-03-01 16:51:17,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:51:17,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:51:17,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:51:17,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:51:17,262 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:51:17,262 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [116484732] [2022-03-01 16:51:17,262 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [116484732] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:51:17,262 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:51:17,262 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-01 16:51:17,262 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [367769530] [2022-03-01 16:51:17,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:51:17,263 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-01 16:51:17,263 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:51:17,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-01 16:51:17,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2022-03-01 16:51:17,263 INFO L87 Difference]: Start difference. First operand 2835 states and 5412 transitions. Second operand has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:18,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:51:18,153 INFO L93 Difference]: Finished difference Result 3789 states and 7209 transitions. [2022-03-01 16:51:18,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-01 16:51:18,154 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-03-01 16:51:18,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:51:18,157 INFO L225 Difference]: With dead ends: 3789 [2022-03-01 16:51:18,158 INFO L226 Difference]: Without dead ends: 3789 [2022-03-01 16:51:18,158 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 309 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=264, Invalid=1068, Unknown=0, NotChecked=0, Total=1332 [2022-03-01 16:51:18,158 INFO L933 BasicCegarLoop]: 337 mSDtfsCounter, 1034 mSDsluCounter, 1934 mSDsCounter, 0 mSdLazyCounter, 1369 mSolverCounterSat, 293 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1034 SdHoareTripleChecker+Valid, 2269 SdHoareTripleChecker+Invalid, 1662 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 293 IncrementalHoareTripleChecker+Valid, 1369 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-03-01 16:51:18,158 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1034 Valid, 2269 Invalid, 1662 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [293 Valid, 1369 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-03-01 16:51:18,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3789 states. [2022-03-01 16:51:18,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3789 to 2794. [2022-03-01 16:51:18,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2794 states, 2781 states have (on average 1.916576770945703) internal successors, (5330), 2793 states have internal predecessors, (5330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:18,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2794 states to 2794 states and 5330 transitions. [2022-03-01 16:51:18,182 INFO L78 Accepts]: Start accepts. Automaton has 2794 states and 5330 transitions. Word has length 163 [2022-03-01 16:51:18,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:51:18,182 INFO L470 AbstractCegarLoop]: Abstraction has 2794 states and 5330 transitions. [2022-03-01 16:51:18,182 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:18,182 INFO L276 IsEmpty]: Start isEmpty. Operand 2794 states and 5330 transitions. [2022-03-01 16:51:18,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-01 16:51:18,183 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:51:18,183 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:51:18,183 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2022-03-01 16:51:18,184 INFO L402 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:51:18,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:51:18,184 INFO L85 PathProgramCache]: Analyzing trace with hash 315941806, now seen corresponding path program 46 times [2022-03-01 16:51:18,184 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:51:18,184 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1779537857] [2022-03-01 16:51:18,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:51:18,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:51:18,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:51:18,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:51:18,332 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:51:18,332 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1779537857] [2022-03-01 16:51:18,332 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1779537857] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:51:18,332 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:51:18,332 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-01 16:51:18,332 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652228904] [2022-03-01 16:51:18,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:51:18,332 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-01 16:51:18,332 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:51:18,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-01 16:51:18,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2022-03-01 16:51:18,333 INFO L87 Difference]: Start difference. First operand 2794 states and 5330 transitions. Second operand has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:19,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:51:19,301 INFO L93 Difference]: Finished difference Result 5171 states and 9905 transitions. [2022-03-01 16:51:19,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-01 16:51:19,301 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-03-01 16:51:19,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:51:19,308 INFO L225 Difference]: With dead ends: 5171 [2022-03-01 16:51:19,308 INFO L226 Difference]: Without dead ends: 5171 [2022-03-01 16:51:19,308 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 318 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=270, Invalid=1062, Unknown=0, NotChecked=0, Total=1332 [2022-03-01 16:51:19,308 INFO L933 BasicCegarLoop]: 344 mSDtfsCounter, 889 mSDsluCounter, 2125 mSDsCounter, 0 mSdLazyCounter, 1602 mSolverCounterSat, 291 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 889 SdHoareTripleChecker+Valid, 2466 SdHoareTripleChecker+Invalid, 1893 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 291 IncrementalHoareTripleChecker+Valid, 1602 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-03-01 16:51:19,308 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [889 Valid, 2466 Invalid, 1893 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [291 Valid, 1602 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-03-01 16:51:19,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5171 states. [2022-03-01 16:51:19,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5171 to 2762. [2022-03-01 16:51:19,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2762 states, 2749 states have (on average 1.915605674790833) internal successors, (5266), 2761 states have internal predecessors, (5266), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:19,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2762 states to 2762 states and 5266 transitions. [2022-03-01 16:51:19,343 INFO L78 Accepts]: Start accepts. Automaton has 2762 states and 5266 transitions. Word has length 163 [2022-03-01 16:51:19,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:51:19,343 INFO L470 AbstractCegarLoop]: Abstraction has 2762 states and 5266 transitions. [2022-03-01 16:51:19,344 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:19,344 INFO L276 IsEmpty]: Start isEmpty. Operand 2762 states and 5266 transitions. [2022-03-01 16:51:19,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-01 16:51:19,345 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:51:19,345 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:51:19,345 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2022-03-01 16:51:19,345 INFO L402 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:51:19,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:51:19,345 INFO L85 PathProgramCache]: Analyzing trace with hash 640844846, now seen corresponding path program 47 times [2022-03-01 16:51:19,345 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:51:19,345 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [158153008] [2022-03-01 16:51:19,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:51:19,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:51:19,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:51:19,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:51:19,494 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:51:19,494 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [158153008] [2022-03-01 16:51:19,494 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [158153008] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:51:19,494 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:51:19,494 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-01 16:51:19,495 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [983139080] [2022-03-01 16:51:19,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:51:19,509 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-01 16:51:19,509 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:51:19,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-01 16:51:19,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2022-03-01 16:51:19,509 INFO L87 Difference]: Start difference. First operand 2762 states and 5266 transitions. Second operand has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:20,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:51:20,604 INFO L93 Difference]: Finished difference Result 5149 states and 9859 transitions. [2022-03-01 16:51:20,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-01 16:51:20,604 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-03-01 16:51:20,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:51:20,611 INFO L225 Difference]: With dead ends: 5149 [2022-03-01 16:51:20,611 INFO L226 Difference]: Without dead ends: 5149 [2022-03-01 16:51:20,611 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 311 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=283, Invalid=1049, Unknown=0, NotChecked=0, Total=1332 [2022-03-01 16:51:20,611 INFO L933 BasicCegarLoop]: 378 mSDtfsCounter, 863 mSDsluCounter, 2378 mSDsCounter, 0 mSdLazyCounter, 1894 mSolverCounterSat, 258 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 863 SdHoareTripleChecker+Valid, 2753 SdHoareTripleChecker+Invalid, 2152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 258 IncrementalHoareTripleChecker+Valid, 1894 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-03-01 16:51:20,611 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [863 Valid, 2753 Invalid, 2152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [258 Valid, 1894 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-03-01 16:51:20,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5149 states. [2022-03-01 16:51:20,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5149 to 2758. [2022-03-01 16:51:20,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2758 states, 2745 states have (on average 1.9154826958105646) internal successors, (5258), 2757 states have internal predecessors, (5258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:20,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2758 states to 2758 states and 5258 transitions. [2022-03-01 16:51:20,644 INFO L78 Accepts]: Start accepts. Automaton has 2758 states and 5258 transitions. Word has length 163 [2022-03-01 16:51:20,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:51:20,644 INFO L470 AbstractCegarLoop]: Abstraction has 2758 states and 5258 transitions. [2022-03-01 16:51:20,645 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:20,645 INFO L276 IsEmpty]: Start isEmpty. Operand 2758 states and 5258 transitions. [2022-03-01 16:51:20,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-01 16:51:20,645 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:51:20,646 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:51:20,646 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2022-03-01 16:51:20,646 INFO L402 AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:51:20,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:51:20,646 INFO L85 PathProgramCache]: Analyzing trace with hash 1466624906, now seen corresponding path program 48 times [2022-03-01 16:51:20,646 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:51:20,646 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1611301800] [2022-03-01 16:51:20,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:51:20,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:51:20,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:51:20,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:51:20,786 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:51:20,786 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1611301800] [2022-03-01 16:51:20,786 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1611301800] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:51:20,786 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:51:20,786 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-01 16:51:20,786 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1557335323] [2022-03-01 16:51:20,786 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:51:20,787 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-01 16:51:20,787 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:51:20,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-01 16:51:20,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2022-03-01 16:51:20,787 INFO L87 Difference]: Start difference. First operand 2758 states and 5258 transitions. Second operand has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:21,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:51:21,982 INFO L93 Difference]: Finished difference Result 5122 states and 9813 transitions. [2022-03-01 16:51:21,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-03-01 16:51:21,983 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-03-01 16:51:21,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:51:21,988 INFO L225 Difference]: With dead ends: 5122 [2022-03-01 16:51:21,988 INFO L226 Difference]: Without dead ends: 5122 [2022-03-01 16:51:21,988 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 340 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=293, Invalid=1113, Unknown=0, NotChecked=0, Total=1406 [2022-03-01 16:51:21,988 INFO L933 BasicCegarLoop]: 388 mSDtfsCounter, 909 mSDsluCounter, 2605 mSDsCounter, 0 mSdLazyCounter, 2174 mSolverCounterSat, 252 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 909 SdHoareTripleChecker+Valid, 2991 SdHoareTripleChecker+Invalid, 2426 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 252 IncrementalHoareTripleChecker+Valid, 2174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-03-01 16:51:21,989 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [909 Valid, 2991 Invalid, 2426 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [252 Valid, 2174 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-03-01 16:51:21,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5122 states. [2022-03-01 16:51:22,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5122 to 2630. [2022-03-01 16:51:22,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2630 states, 2618 states have (on average 1.9136745607333843) internal successors, (5010), 2629 states have internal predecessors, (5010), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:22,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2630 states to 2630 states and 5010 transitions. [2022-03-01 16:51:22,019 INFO L78 Accepts]: Start accepts. Automaton has 2630 states and 5010 transitions. Word has length 163 [2022-03-01 16:51:22,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:51:22,019 INFO L470 AbstractCegarLoop]: Abstraction has 2630 states and 5010 transitions. [2022-03-01 16:51:22,019 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:22,020 INFO L276 IsEmpty]: Start isEmpty. Operand 2630 states and 5010 transitions. [2022-03-01 16:51:22,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2022-03-01 16:51:22,021 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:51:22,021 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:51:22,021 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2022-03-01 16:51:22,021 INFO L402 AbstractCegarLoop]: === Iteration 61 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:51:22,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:51:22,021 INFO L85 PathProgramCache]: Analyzing trace with hash 2098953351, now seen corresponding path program 1 times [2022-03-01 16:51:22,021 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:51:22,021 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [255318947] [2022-03-01 16:51:22,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:51:22,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:51:22,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:51:22,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:51:22,248 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:51:22,248 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [255318947] [2022-03-01 16:51:22,248 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [255318947] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:51:22,248 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:51:22,248 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-01 16:51:22,248 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [479548053] [2022-03-01 16:51:22,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:51:22,249 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-01 16:51:22,249 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:51:22,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-01 16:51:22,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2022-03-01 16:51:22,249 INFO L87 Difference]: Start difference. First operand 2630 states and 5010 transitions. Second operand has 13 states, 12 states have (on average 14.25) internal successors, (171), 13 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:22,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:51:22,976 INFO L93 Difference]: Finished difference Result 2913 states and 5515 transitions. [2022-03-01 16:51:22,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-03-01 16:51:22,976 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 14.25) internal successors, (171), 13 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 171 [2022-03-01 16:51:22,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:51:22,980 INFO L225 Difference]: With dead ends: 2913 [2022-03-01 16:51:22,980 INFO L226 Difference]: Without dead ends: 2913 [2022-03-01 16:51:22,980 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 158 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=201, Invalid=669, Unknown=0, NotChecked=0, Total=870 [2022-03-01 16:51:22,980 INFO L933 BasicCegarLoop]: 356 mSDtfsCounter, 646 mSDsluCounter, 2288 mSDsCounter, 0 mSdLazyCounter, 1140 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 646 SdHoareTripleChecker+Valid, 2643 SdHoareTripleChecker+Invalid, 1190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 1140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-03-01 16:51:22,981 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [646 Valid, 2643 Invalid, 1190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 1140 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-01 16:51:22,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2913 states. [2022-03-01 16:51:22,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2913 to 2585. [2022-03-01 16:51:23,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2585 states, 2573 states have (on average 1.9121647881849981) internal successors, (4920), 2584 states have internal predecessors, (4920), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:23,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2585 states to 2585 states and 4920 transitions. [2022-03-01 16:51:23,004 INFO L78 Accepts]: Start accepts. Automaton has 2585 states and 4920 transitions. Word has length 171 [2022-03-01 16:51:23,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:51:23,004 INFO L470 AbstractCegarLoop]: Abstraction has 2585 states and 4920 transitions. [2022-03-01 16:51:23,004 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 14.25) internal successors, (171), 13 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:23,004 INFO L276 IsEmpty]: Start isEmpty. Operand 2585 states and 4920 transitions. [2022-03-01 16:51:23,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-01 16:51:23,005 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:51:23,005 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:51:23,005 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2022-03-01 16:51:23,005 INFO L402 AbstractCegarLoop]: === Iteration 62 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:51:23,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:51:23,006 INFO L85 PathProgramCache]: Analyzing trace with hash -1645465888, now seen corresponding path program 1 times [2022-03-01 16:51:23,006 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:51:23,006 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1388697354] [2022-03-01 16:51:23,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:51:23,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:51:23,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:51:23,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:51:23,576 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:51:23,576 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1388697354] [2022-03-01 16:51:23,576 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1388697354] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:51:23,576 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:51:23,576 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-01 16:51:23,576 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191576521] [2022-03-01 16:51:23,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:51:23,577 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-01 16:51:23,577 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:51:23,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-01 16:51:23,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=528, Unknown=0, NotChecked=0, Total=600 [2022-03-01 16:51:23,577 INFO L87 Difference]: Start difference. First operand 2585 states and 4920 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:25,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:51:25,318 INFO L93 Difference]: Finished difference Result 5038 states and 9780 transitions. [2022-03-01 16:51:25,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-03-01 16:51:25,319 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 172 [2022-03-01 16:51:25,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:51:25,324 INFO L225 Difference]: With dead ends: 5038 [2022-03-01 16:51:25,324 INFO L226 Difference]: Without dead ends: 5038 [2022-03-01 16:51:25,325 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 548 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=534, Invalid=2328, Unknown=0, NotChecked=0, Total=2862 [2022-03-01 16:51:25,325 INFO L933 BasicCegarLoop]: 226 mSDtfsCounter, 1239 mSDsluCounter, 3496 mSDsCounter, 0 mSdLazyCounter, 2666 mSolverCounterSat, 125 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1239 SdHoareTripleChecker+Valid, 3718 SdHoareTripleChecker+Invalid, 2791 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 125 IncrementalHoareTripleChecker+Valid, 2666 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-03-01 16:51:25,325 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1239 Valid, 3718 Invalid, 2791 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [125 Valid, 2666 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-03-01 16:51:25,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5038 states. [2022-03-01 16:51:25,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5038 to 2677. [2022-03-01 16:51:25,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2677 states, 2665 states have (on average 1.9151969981238275) internal successors, (5104), 2676 states have internal predecessors, (5104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:25,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2677 states to 2677 states and 5104 transitions. [2022-03-01 16:51:25,370 INFO L78 Accepts]: Start accepts. Automaton has 2677 states and 5104 transitions. Word has length 172 [2022-03-01 16:51:25,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:51:25,370 INFO L470 AbstractCegarLoop]: Abstraction has 2677 states and 5104 transitions. [2022-03-01 16:51:25,370 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:25,370 INFO L276 IsEmpty]: Start isEmpty. Operand 2677 states and 5104 transitions. [2022-03-01 16:51:25,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-01 16:51:25,371 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:51:25,371 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:51:25,371 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2022-03-01 16:51:25,371 INFO L402 AbstractCegarLoop]: === Iteration 63 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:51:25,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:51:25,372 INFO L85 PathProgramCache]: Analyzing trace with hash 396582650, now seen corresponding path program 2 times [2022-03-01 16:51:25,372 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:51:25,372 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1441457825] [2022-03-01 16:51:25,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:51:25,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:51:25,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:51:25,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:51:25,876 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:51:25,876 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1441457825] [2022-03-01 16:51:25,877 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1441457825] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:51:25,877 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:51:25,877 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-03-01 16:51:25,877 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873129167] [2022-03-01 16:51:25,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:51:25,877 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-01 16:51:25,877 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:51:25,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-01 16:51:25,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=627, Unknown=0, NotChecked=0, Total=702 [2022-03-01 16:51:25,877 INFO L87 Difference]: Start difference. First operand 2677 states and 5104 transitions. Second operand has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:27,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:51:27,751 INFO L93 Difference]: Finished difference Result 5082 states and 9866 transitions. [2022-03-01 16:51:27,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-03-01 16:51:27,752 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 172 [2022-03-01 16:51:27,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:51:27,756 INFO L225 Difference]: With dead ends: 5082 [2022-03-01 16:51:27,757 INFO L226 Difference]: Without dead ends: 5082 [2022-03-01 16:51:27,757 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 801 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=632, Invalid=3150, Unknown=0, NotChecked=0, Total=3782 [2022-03-01 16:51:27,757 INFO L933 BasicCegarLoop]: 221 mSDtfsCounter, 1534 mSDsluCounter, 3249 mSDsCounter, 0 mSdLazyCounter, 2908 mSolverCounterSat, 156 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1534 SdHoareTripleChecker+Valid, 3464 SdHoareTripleChecker+Invalid, 3064 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 156 IncrementalHoareTripleChecker+Valid, 2908 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-03-01 16:51:27,757 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1534 Valid, 3464 Invalid, 3064 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [156 Valid, 2908 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-03-01 16:51:27,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5082 states. [2022-03-01 16:51:27,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5082 to 2688. [2022-03-01 16:51:27,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2688 states, 2676 states have (on average 1.9155455904334828) internal successors, (5126), 2687 states have internal predecessors, (5126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:27,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2688 states to 2688 states and 5126 transitions. [2022-03-01 16:51:27,785 INFO L78 Accepts]: Start accepts. Automaton has 2688 states and 5126 transitions. Word has length 172 [2022-03-01 16:51:27,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:51:27,785 INFO L470 AbstractCegarLoop]: Abstraction has 2688 states and 5126 transitions. [2022-03-01 16:51:27,786 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:27,786 INFO L276 IsEmpty]: Start isEmpty. Operand 2688 states and 5126 transitions. [2022-03-01 16:51:27,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-01 16:51:27,787 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:51:27,787 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:51:27,787 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2022-03-01 16:51:27,787 INFO L402 AbstractCegarLoop]: === Iteration 64 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:51:27,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:51:27,788 INFO L85 PathProgramCache]: Analyzing trace with hash -452372384, now seen corresponding path program 3 times [2022-03-01 16:51:27,788 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:51:27,788 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1616210347] [2022-03-01 16:51:27,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:51:27,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:51:27,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:51:28,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:51:28,210 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:51:28,210 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1616210347] [2022-03-01 16:51:28,210 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1616210347] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:51:28,210 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:51:28,210 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-01 16:51:28,210 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [662993589] [2022-03-01 16:51:28,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:51:28,210 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-01 16:51:28,210 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:51:28,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-01 16:51:28,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=534, Unknown=0, NotChecked=0, Total=600 [2022-03-01 16:51:28,211 INFO L87 Difference]: Start difference. First operand 2688 states and 5126 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:29,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:51:29,946 INFO L93 Difference]: Finished difference Result 5123 states and 9946 transitions. [2022-03-01 16:51:29,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-03-01 16:51:29,946 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 172 [2022-03-01 16:51:29,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:51:29,952 INFO L225 Difference]: With dead ends: 5123 [2022-03-01 16:51:29,952 INFO L226 Difference]: Without dead ends: 5123 [2022-03-01 16:51:29,953 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 702 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=628, Invalid=2794, Unknown=0, NotChecked=0, Total=3422 [2022-03-01 16:51:29,953 INFO L933 BasicCegarLoop]: 242 mSDtfsCounter, 1478 mSDsluCounter, 3486 mSDsCounter, 0 mSdLazyCounter, 2720 mSolverCounterSat, 173 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1478 SdHoareTripleChecker+Valid, 3724 SdHoareTripleChecker+Invalid, 2893 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 173 IncrementalHoareTripleChecker+Valid, 2720 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-03-01 16:51:29,953 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1478 Valid, 3724 Invalid, 2893 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [173 Valid, 2720 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-03-01 16:51:29,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5123 states. [2022-03-01 16:51:29,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5123 to 2699. [2022-03-01 16:51:29,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2699 states, 2687 states have (on average 1.915891328619278) internal successors, (5148), 2698 states have internal predecessors, (5148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:29,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2699 states to 2699 states and 5148 transitions. [2022-03-01 16:51:29,988 INFO L78 Accepts]: Start accepts. Automaton has 2699 states and 5148 transitions. Word has length 172 [2022-03-01 16:51:29,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:51:29,988 INFO L470 AbstractCegarLoop]: Abstraction has 2699 states and 5148 transitions. [2022-03-01 16:51:29,988 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:29,988 INFO L276 IsEmpty]: Start isEmpty. Operand 2699 states and 5148 transitions. [2022-03-01 16:51:29,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-01 16:51:29,990 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:51:29,990 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:51:29,990 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63 [2022-03-01 16:51:29,990 INFO L402 AbstractCegarLoop]: === Iteration 65 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:51:29,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:51:29,990 INFO L85 PathProgramCache]: Analyzing trace with hash -1322206820, now seen corresponding path program 4 times [2022-03-01 16:51:29,991 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:51:29,991 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [405981446] [2022-03-01 16:51:29,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:51:29,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:51:30,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:51:30,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:51:30,397 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:51:30,397 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [405981446] [2022-03-01 16:51:30,397 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [405981446] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:51:30,397 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:51:30,398 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-01 16:51:30,398 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1558313853] [2022-03-01 16:51:30,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:51:30,398 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-01 16:51:30,398 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:51:30,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-01 16:51:30,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=533, Unknown=0, NotChecked=0, Total=600 [2022-03-01 16:51:30,398 INFO L87 Difference]: Start difference. First operand 2699 states and 5148 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:32,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:51:32,217 INFO L93 Difference]: Finished difference Result 5167 states and 10032 transitions. [2022-03-01 16:51:32,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-03-01 16:51:32,218 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 172 [2022-03-01 16:51:32,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:51:32,223 INFO L225 Difference]: With dead ends: 5167 [2022-03-01 16:51:32,223 INFO L226 Difference]: Without dead ends: 5167 [2022-03-01 16:51:32,224 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 771 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=672, Invalid=2988, Unknown=0, NotChecked=0, Total=3660 [2022-03-01 16:51:32,224 INFO L933 BasicCegarLoop]: 250 mSDtfsCounter, 1277 mSDsluCounter, 3623 mSDsCounter, 0 mSdLazyCounter, 2748 mSolverCounterSat, 177 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1277 SdHoareTripleChecker+Valid, 3869 SdHoareTripleChecker+Invalid, 2925 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 177 IncrementalHoareTripleChecker+Valid, 2748 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-03-01 16:51:32,224 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1277 Valid, 3869 Invalid, 2925 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [177 Valid, 2748 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-03-01 16:51:32,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5167 states. [2022-03-01 16:51:32,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5167 to 2710. [2022-03-01 16:51:32,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2710 states, 2698 states have (on average 1.916234247590808) internal successors, (5170), 2709 states have internal predecessors, (5170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:32,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2710 states to 2710 states and 5170 transitions. [2022-03-01 16:51:32,254 INFO L78 Accepts]: Start accepts. Automaton has 2710 states and 5170 transitions. Word has length 172 [2022-03-01 16:51:32,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:51:32,254 INFO L470 AbstractCegarLoop]: Abstraction has 2710 states and 5170 transitions. [2022-03-01 16:51:32,254 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:32,254 INFO L276 IsEmpty]: Start isEmpty. Operand 2710 states and 5170 transitions. [2022-03-01 16:51:32,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-01 16:51:32,256 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:51:32,256 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:51:32,256 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64 [2022-03-01 16:51:32,256 INFO L402 AbstractCegarLoop]: === Iteration 66 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:51:32,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:51:32,256 INFO L85 PathProgramCache]: Analyzing trace with hash 384634430, now seen corresponding path program 5 times [2022-03-01 16:51:32,256 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:51:32,256 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1567490808] [2022-03-01 16:51:32,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:51:32,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:51:32,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:51:32,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:51:32,602 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:51:32,602 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1567490808] [2022-03-01 16:51:32,602 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1567490808] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:51:32,602 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:51:32,602 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-01 16:51:32,603 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1526162784] [2022-03-01 16:51:32,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:51:32,603 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-01 16:51:32,603 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:51:32,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-01 16:51:32,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=529, Unknown=0, NotChecked=0, Total=600 [2022-03-01 16:51:32,603 INFO L87 Difference]: Start difference. First operand 2710 states and 5170 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:34,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:51:34,572 INFO L93 Difference]: Finished difference Result 5733 states and 11082 transitions. [2022-03-01 16:51:34,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-03-01 16:51:34,572 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 172 [2022-03-01 16:51:34,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:51:34,578 INFO L225 Difference]: With dead ends: 5733 [2022-03-01 16:51:34,578 INFO L226 Difference]: Without dead ends: 5733 [2022-03-01 16:51:34,579 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 821 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=637, Invalid=3395, Unknown=0, NotChecked=0, Total=4032 [2022-03-01 16:51:34,579 INFO L933 BasicCegarLoop]: 285 mSDtfsCounter, 1652 mSDsluCounter, 4410 mSDsCounter, 0 mSdLazyCounter, 3594 mSolverCounterSat, 130 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1652 SdHoareTripleChecker+Valid, 4691 SdHoareTripleChecker+Invalid, 3724 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 130 IncrementalHoareTripleChecker+Valid, 3594 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:51:34,579 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1652 Valid, 4691 Invalid, 3724 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [130 Valid, 3594 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-03-01 16:51:34,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5733 states. [2022-03-01 16:51:34,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5733 to 2741. [2022-03-01 16:51:34,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2741 states, 2729 states have (on average 1.9171857823378526) internal successors, (5232), 2740 states have internal predecessors, (5232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:34,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2741 states to 2741 states and 5232 transitions. [2022-03-01 16:51:34,612 INFO L78 Accepts]: Start accepts. Automaton has 2741 states and 5232 transitions. Word has length 172 [2022-03-01 16:51:34,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:51:34,612 INFO L470 AbstractCegarLoop]: Abstraction has 2741 states and 5232 transitions. [2022-03-01 16:51:34,612 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:34,612 INFO L276 IsEmpty]: Start isEmpty. Operand 2741 states and 5232 transitions. [2022-03-01 16:51:34,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-01 16:51:34,613 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:51:34,613 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:51:34,614 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65 [2022-03-01 16:51:34,614 INFO L402 AbstractCegarLoop]: === Iteration 67 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:51:34,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:51:34,614 INFO L85 PathProgramCache]: Analyzing trace with hash 757478147, now seen corresponding path program 1 times [2022-03-01 16:51:34,614 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:51:34,614 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1664380959] [2022-03-01 16:51:34,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:51:34,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:51:34,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:51:34,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:51:34,945 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:51:34,945 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1664380959] [2022-03-01 16:51:34,945 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1664380959] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:51:34,945 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:51:34,945 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-01 16:51:34,945 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [565513965] [2022-03-01 16:51:34,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:51:34,945 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-01 16:51:34,945 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:51:34,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-01 16:51:34,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=533, Unknown=0, NotChecked=0, Total=600 [2022-03-01 16:51:34,946 INFO L87 Difference]: Start difference. First operand 2741 states and 5232 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:37,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:51:37,270 INFO L93 Difference]: Finished difference Result 6305 states and 12147 transitions. [2022-03-01 16:51:37,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-03-01 16:51:37,270 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 172 [2022-03-01 16:51:37,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:51:37,278 INFO L225 Difference]: With dead ends: 6305 [2022-03-01 16:51:37,278 INFO L226 Difference]: Without dead ends: 6305 [2022-03-01 16:51:37,279 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 690 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=616, Invalid=3044, Unknown=0, NotChecked=0, Total=3660 [2022-03-01 16:51:37,279 INFO L933 BasicCegarLoop]: 324 mSDtfsCounter, 2066 mSDsluCounter, 4547 mSDsCounter, 0 mSdLazyCounter, 4504 mSolverCounterSat, 299 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2066 SdHoareTripleChecker+Valid, 4865 SdHoareTripleChecker+Invalid, 4803 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 299 IncrementalHoareTripleChecker+Valid, 4504 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-03-01 16:51:37,279 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2066 Valid, 4865 Invalid, 4803 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [299 Valid, 4504 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-03-01 16:51:37,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6305 states. [2022-03-01 16:51:37,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6305 to 2847. [2022-03-01 16:51:37,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2847 states, 2835 states have (on average 1.9202821869488536) internal successors, (5444), 2846 states have internal predecessors, (5444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:37,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2847 states to 2847 states and 5444 transitions. [2022-03-01 16:51:37,316 INFO L78 Accepts]: Start accepts. Automaton has 2847 states and 5444 transitions. Word has length 172 [2022-03-01 16:51:37,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:51:37,316 INFO L470 AbstractCegarLoop]: Abstraction has 2847 states and 5444 transitions. [2022-03-01 16:51:37,316 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:37,316 INFO L276 IsEmpty]: Start isEmpty. Operand 2847 states and 5444 transitions. [2022-03-01 16:51:37,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-01 16:51:37,318 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:51:37,318 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:51:37,318 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66 [2022-03-01 16:51:37,318 INFO L402 AbstractCegarLoop]: === Iteration 68 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:51:37,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:51:37,318 INFO L85 PathProgramCache]: Analyzing trace with hash -402788708, now seen corresponding path program 6 times [2022-03-01 16:51:37,318 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:51:37,318 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [931850267] [2022-03-01 16:51:37,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:51:37,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:51:37,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:51:37,721 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:51:37,721 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:51:37,721 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [931850267] [2022-03-01 16:51:37,721 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [931850267] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:51:37,721 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:51:37,721 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-03-01 16:51:37,721 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350968118] [2022-03-01 16:51:37,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:51:37,722 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-01 16:51:37,722 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:51:37,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-01 16:51:37,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=623, Unknown=0, NotChecked=0, Total=702 [2022-03-01 16:51:37,722 INFO L87 Difference]: Start difference. First operand 2847 states and 5444 transitions. Second operand has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:40,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:51:40,186 INFO L93 Difference]: Finished difference Result 6677 states and 12891 transitions. [2022-03-01 16:51:40,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2022-03-01 16:51:40,187 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 172 [2022-03-01 16:51:40,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:51:40,193 INFO L225 Difference]: With dead ends: 6677 [2022-03-01 16:51:40,194 INFO L226 Difference]: Without dead ends: 6677 [2022-03-01 16:51:40,194 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1689 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=919, Invalid=5723, Unknown=0, NotChecked=0, Total=6642 [2022-03-01 16:51:40,194 INFO L933 BasicCegarLoop]: 332 mSDtfsCounter, 1865 mSDsluCounter, 5638 mSDsCounter, 0 mSdLazyCounter, 4262 mSolverCounterSat, 125 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1865 SdHoareTripleChecker+Valid, 5964 SdHoareTripleChecker+Invalid, 4387 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 125 IncrementalHoareTripleChecker+Valid, 4262 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-03-01 16:51:40,194 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1865 Valid, 5964 Invalid, 4387 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [125 Valid, 4262 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-03-01 16:51:40,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6677 states. [2022-03-01 16:51:40,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6677 to 2933. [2022-03-01 16:51:40,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2933 states, 2921 states have (on average 1.922629236562821) internal successors, (5616), 2932 states have internal predecessors, (5616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:40,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2933 states to 2933 states and 5616 transitions. [2022-03-01 16:51:40,229 INFO L78 Accepts]: Start accepts. Automaton has 2933 states and 5616 transitions. Word has length 172 [2022-03-01 16:51:40,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:51:40,230 INFO L470 AbstractCegarLoop]: Abstraction has 2933 states and 5616 transitions. [2022-03-01 16:51:40,230 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:40,230 INFO L276 IsEmpty]: Start isEmpty. Operand 2933 states and 5616 transitions. [2022-03-01 16:51:40,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-01 16:51:40,231 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:51:40,231 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:51:40,232 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67 [2022-03-01 16:51:40,232 INFO L402 AbstractCegarLoop]: === Iteration 69 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:51:40,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:51:40,232 INFO L85 PathProgramCache]: Analyzing trace with hash -29944991, now seen corresponding path program 2 times [2022-03-01 16:51:40,232 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:51:40,232 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [845157505] [2022-03-01 16:51:40,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:51:40,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:51:40,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:51:40,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:51:40,599 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:51:40,599 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [845157505] [2022-03-01 16:51:40,600 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [845157505] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:51:40,600 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:51:40,600 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-03-01 16:51:40,600 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [767305341] [2022-03-01 16:51:40,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:51:40,600 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-01 16:51:40,600 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:51:40,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-01 16:51:40,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=627, Unknown=0, NotChecked=0, Total=702 [2022-03-01 16:51:40,600 INFO L87 Difference]: Start difference. First operand 2933 states and 5616 transitions. Second operand has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:43,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:51:43,519 INFO L93 Difference]: Finished difference Result 7964 states and 15324 transitions. [2022-03-01 16:51:43,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-03-01 16:51:43,520 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 172 [2022-03-01 16:51:43,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:51:43,530 INFO L225 Difference]: With dead ends: 7964 [2022-03-01 16:51:43,530 INFO L226 Difference]: Without dead ends: 7964 [2022-03-01 16:51:43,531 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1280 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=841, Invalid=4709, Unknown=0, NotChecked=0, Total=5550 [2022-03-01 16:51:43,531 INFO L933 BasicCegarLoop]: 370 mSDtfsCounter, 2167 mSDsluCounter, 5376 mSDsCounter, 0 mSdLazyCounter, 5233 mSolverCounterSat, 264 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2167 SdHoareTripleChecker+Valid, 5737 SdHoareTripleChecker+Invalid, 5497 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 264 IncrementalHoareTripleChecker+Valid, 5233 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-03-01 16:51:43,531 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2167 Valid, 5737 Invalid, 5497 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [264 Valid, 5233 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-03-01 16:51:43,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7964 states. [2022-03-01 16:51:43,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7964 to 2885. [2022-03-01 16:51:43,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2885 states, 2873 states have (on average 1.921336581970066) internal successors, (5520), 2884 states have internal predecessors, (5520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:43,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2885 states to 2885 states and 5520 transitions. [2022-03-01 16:51:43,578 INFO L78 Accepts]: Start accepts. Automaton has 2885 states and 5520 transitions. Word has length 172 [2022-03-01 16:51:43,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:51:43,578 INFO L470 AbstractCegarLoop]: Abstraction has 2885 states and 5520 transitions. [2022-03-01 16:51:43,578 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:43,579 INFO L276 IsEmpty]: Start isEmpty. Operand 2885 states and 5520 transitions. [2022-03-01 16:51:43,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-01 16:51:43,580 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:51:43,580 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:51:43,580 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68 [2022-03-01 16:51:43,580 INFO L402 AbstractCegarLoop]: === Iteration 70 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:51:43,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:51:43,581 INFO L85 PathProgramCache]: Analyzing trace with hash -455650813, now seen corresponding path program 3 times [2022-03-01 16:51:43,581 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:51:43,581 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [918369370] [2022-03-01 16:51:43,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:51:43,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:51:43,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:51:44,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:51:44,002 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:51:44,002 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [918369370] [2022-03-01 16:51:44,002 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [918369370] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:51:44,002 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:51:44,002 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-03-01 16:51:44,002 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [367040847] [2022-03-01 16:51:44,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:51:44,002 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-01 16:51:44,002 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:51:44,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-01 16:51:44,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=626, Unknown=0, NotChecked=0, Total=702 [2022-03-01 16:51:44,003 INFO L87 Difference]: Start difference. First operand 2885 states and 5520 transitions. Second operand has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:47,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:51:47,004 INFO L93 Difference]: Finished difference Result 7320 states and 14100 transitions. [2022-03-01 16:51:47,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-03-01 16:51:47,004 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 172 [2022-03-01 16:51:47,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:51:47,013 INFO L225 Difference]: With dead ends: 7320 [2022-03-01 16:51:47,013 INFO L226 Difference]: Without dead ends: 7320 [2022-03-01 16:51:47,013 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1138 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=822, Invalid=4434, Unknown=0, NotChecked=0, Total=5256 [2022-03-01 16:51:47,014 INFO L933 BasicCegarLoop]: 391 mSDtfsCounter, 2029 mSDsluCounter, 5514 mSDsCounter, 0 mSdLazyCounter, 5530 mSolverCounterSat, 353 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2029 SdHoareTripleChecker+Valid, 5897 SdHoareTripleChecker+Invalid, 5883 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 353 IncrementalHoareTripleChecker+Valid, 5530 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-03-01 16:51:47,014 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2029 Valid, 5897 Invalid, 5883 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [353 Valid, 5530 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-03-01 16:51:47,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7320 states. [2022-03-01 16:51:47,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7320 to 2887. [2022-03-01 16:51:47,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2887 states, 2875 states have (on average 1.9213913043478261) internal successors, (5524), 2886 states have internal predecessors, (5524), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:47,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2887 states to 2887 states and 5524 transitions. [2022-03-01 16:51:47,060 INFO L78 Accepts]: Start accepts. Automaton has 2887 states and 5524 transitions. Word has length 172 [2022-03-01 16:51:47,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:51:47,060 INFO L470 AbstractCegarLoop]: Abstraction has 2887 states and 5524 transitions. [2022-03-01 16:51:47,061 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:47,061 INFO L276 IsEmpty]: Start isEmpty. Operand 2887 states and 5524 transitions. [2022-03-01 16:51:47,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-01 16:51:47,062 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:51:47,062 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:51:47,062 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable69 [2022-03-01 16:51:47,063 INFO L402 AbstractCegarLoop]: === Iteration 71 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:51:47,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:51:47,063 INFO L85 PathProgramCache]: Analyzing trace with hash 480411879, now seen corresponding path program 4 times [2022-03-01 16:51:47,063 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:51:47,063 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187763127] [2022-03-01 16:51:47,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:51:47,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:51:47,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:51:47,476 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:51:47,476 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:51:47,476 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1187763127] [2022-03-01 16:51:47,476 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1187763127] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:51:47,476 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:51:47,476 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-03-01 16:51:47,476 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [660914081] [2022-03-01 16:51:47,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:51:47,477 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-01 16:51:47,477 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:51:47,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-01 16:51:47,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=628, Unknown=0, NotChecked=0, Total=702 [2022-03-01 16:51:47,477 INFO L87 Difference]: Start difference. First operand 2887 states and 5524 transitions. Second operand has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:50,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:51:50,323 INFO L93 Difference]: Finished difference Result 7284 states and 14028 transitions. [2022-03-01 16:51:50,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-03-01 16:51:50,323 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 172 [2022-03-01 16:51:50,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:51:50,332 INFO L225 Difference]: With dead ends: 7284 [2022-03-01 16:51:50,332 INFO L226 Difference]: Without dead ends: 7284 [2022-03-01 16:51:50,333 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1234 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=858, Invalid=4692, Unknown=0, NotChecked=0, Total=5550 [2022-03-01 16:51:50,333 INFO L933 BasicCegarLoop]: 406 mSDtfsCounter, 2296 mSDsluCounter, 5016 mSDsCounter, 0 mSdLazyCounter, 5086 mSolverCounterSat, 423 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2296 SdHoareTripleChecker+Valid, 5415 SdHoareTripleChecker+Invalid, 5509 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 423 IncrementalHoareTripleChecker+Valid, 5086 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-03-01 16:51:50,333 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2296 Valid, 5415 Invalid, 5509 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [423 Valid, 5086 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-03-01 16:51:50,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7284 states. [2022-03-01 16:51:50,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7284 to 2863. [2022-03-01 16:51:50,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2863 states, 2851 states have (on average 1.9207295685724308) internal successors, (5476), 2862 states have internal predecessors, (5476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:50,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2863 states to 2863 states and 5476 transitions. [2022-03-01 16:51:50,373 INFO L78 Accepts]: Start accepts. Automaton has 2863 states and 5476 transitions. Word has length 172 [2022-03-01 16:51:50,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:51:50,373 INFO L470 AbstractCegarLoop]: Abstraction has 2863 states and 5476 transitions. [2022-03-01 16:51:50,373 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:50,373 INFO L276 IsEmpty]: Start isEmpty. Operand 2863 states and 5476 transitions. [2022-03-01 16:51:50,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-01 16:51:50,375 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:51:50,375 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:51:50,375 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70 [2022-03-01 16:51:50,375 INFO L402 AbstractCegarLoop]: === Iteration 72 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:51:50,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:51:50,375 INFO L85 PathProgramCache]: Analyzing trace with hash -768281798, now seen corresponding path program 7 times [2022-03-01 16:51:50,375 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:51:50,375 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783373450] [2022-03-01 16:51:50,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:51:50,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:51:50,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:51:50,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:51:50,768 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:51:50,768 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [783373450] [2022-03-01 16:51:50,768 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [783373450] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:51:50,768 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:51:50,768 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-03-01 16:51:50,768 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192050572] [2022-03-01 16:51:50,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:51:50,768 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-01 16:51:50,768 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:51:50,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-01 16:51:50,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=623, Unknown=0, NotChecked=0, Total=702 [2022-03-01 16:51:50,769 INFO L87 Difference]: Start difference. First operand 2863 states and 5476 transitions. Second operand has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:53,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:51:53,100 INFO L93 Difference]: Finished difference Result 6762 states and 13056 transitions. [2022-03-01 16:51:53,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2022-03-01 16:51:53,100 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 172 [2022-03-01 16:51:53,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:51:53,107 INFO L225 Difference]: With dead ends: 6762 [2022-03-01 16:51:53,108 INFO L226 Difference]: Without dead ends: 6762 [2022-03-01 16:51:53,108 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1936 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=1046, Invalid=6264, Unknown=0, NotChecked=0, Total=7310 [2022-03-01 16:51:53,108 INFO L933 BasicCegarLoop]: 345 mSDtfsCounter, 2074 mSDsluCounter, 4414 mSDsCounter, 0 mSdLazyCounter, 3386 mSolverCounterSat, 146 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2074 SdHoareTripleChecker+Valid, 4753 SdHoareTripleChecker+Invalid, 3532 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 146 IncrementalHoareTripleChecker+Valid, 3386 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-03-01 16:51:53,108 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2074 Valid, 4753 Invalid, 3532 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [146 Valid, 3386 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-03-01 16:51:53,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6762 states. [2022-03-01 16:51:53,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6762 to 2970. [2022-03-01 16:51:53,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2970 states, 2958 states have (on average 1.9235970250169032) internal successors, (5690), 2969 states have internal predecessors, (5690), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:53,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2970 states to 2970 states and 5690 transitions. [2022-03-01 16:51:53,149 INFO L78 Accepts]: Start accepts. Automaton has 2970 states and 5690 transitions. Word has length 172 [2022-03-01 16:51:53,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:51:53,150 INFO L470 AbstractCegarLoop]: Abstraction has 2970 states and 5690 transitions. [2022-03-01 16:51:53,150 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:53,150 INFO L276 IsEmpty]: Start isEmpty. Operand 2970 states and 5690 transitions. [2022-03-01 16:51:53,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-01 16:51:53,151 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:51:53,151 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:51:53,151 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71 [2022-03-01 16:51:53,152 INFO L402 AbstractCegarLoop]: === Iteration 73 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:51:53,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:51:53,152 INFO L85 PathProgramCache]: Analyzing trace with hash -395438081, now seen corresponding path program 5 times [2022-03-01 16:51:53,152 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:51:53,152 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1455668250] [2022-03-01 16:51:53,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:51:53,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:51:53,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:51:53,530 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:51:53,530 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:51:53,530 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1455668250] [2022-03-01 16:51:53,530 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1455668250] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:51:53,530 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:51:53,530 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-03-01 16:51:53,531 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1071406715] [2022-03-01 16:51:53,531 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:51:53,531 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-01 16:51:53,531 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:51:53,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-01 16:51:53,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=627, Unknown=0, NotChecked=0, Total=702 [2022-03-01 16:51:53,531 INFO L87 Difference]: Start difference. First operand 2970 states and 5690 transitions. Second operand has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:56,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:51:56,412 INFO L93 Difference]: Finished difference Result 8049 states and 15489 transitions. [2022-03-01 16:51:56,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2022-03-01 16:51:56,412 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 172 [2022-03-01 16:51:56,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:51:56,422 INFO L225 Difference]: With dead ends: 8049 [2022-03-01 16:51:56,422 INFO L226 Difference]: Without dead ends: 8049 [2022-03-01 16:51:56,423 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1530 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=981, Invalid=5339, Unknown=0, NotChecked=0, Total=6320 [2022-03-01 16:51:56,423 INFO L933 BasicCegarLoop]: 384 mSDtfsCounter, 2406 mSDsluCounter, 5153 mSDsCounter, 0 mSdLazyCounter, 4805 mSolverCounterSat, 340 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2406 SdHoareTripleChecker+Valid, 5529 SdHoareTripleChecker+Invalid, 5145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 340 IncrementalHoareTripleChecker+Valid, 4805 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-03-01 16:51:56,423 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2406 Valid, 5529 Invalid, 5145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [340 Valid, 4805 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-03-01 16:51:56,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8049 states. [2022-03-01 16:51:56,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8049 to 2922. [2022-03-01 16:51:56,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2922 states, 2910 states have (on average 1.9223367697594502) internal successors, (5594), 2921 states have internal predecessors, (5594), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:56,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2922 states to 2922 states and 5594 transitions. [2022-03-01 16:51:56,470 INFO L78 Accepts]: Start accepts. Automaton has 2922 states and 5594 transitions. Word has length 172 [2022-03-01 16:51:56,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:51:56,470 INFO L470 AbstractCegarLoop]: Abstraction has 2922 states and 5594 transitions. [2022-03-01 16:51:56,470 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:56,470 INFO L276 IsEmpty]: Start isEmpty. Operand 2922 states and 5594 transitions. [2022-03-01 16:51:56,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-01 16:51:56,472 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:51:56,472 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:51:56,472 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72 [2022-03-01 16:51:56,472 INFO L402 AbstractCegarLoop]: === Iteration 74 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:51:56,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:51:56,472 INFO L85 PathProgramCache]: Analyzing trace with hash -821143903, now seen corresponding path program 6 times [2022-03-01 16:51:56,473 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:51:56,473 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1281471595] [2022-03-01 16:51:56,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:51:56,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:51:56,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:51:56,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:51:56,845 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:51:56,845 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1281471595] [2022-03-01 16:51:56,846 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1281471595] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:51:56,846 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:51:56,846 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-01 16:51:56,846 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314284343] [2022-03-01 16:51:56,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:51:56,846 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-01 16:51:56,846 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:51:56,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-01 16:51:56,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=532, Unknown=0, NotChecked=0, Total=600 [2022-03-01 16:51:56,846 INFO L87 Difference]: Start difference. First operand 2922 states and 5594 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:51:59,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:51:59,962 INFO L93 Difference]: Finished difference Result 8863 states and 17042 transitions. [2022-03-01 16:51:59,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2022-03-01 16:51:59,962 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 172 [2022-03-01 16:51:59,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:51:59,973 INFO L225 Difference]: With dead ends: 8863 [2022-03-01 16:51:59,973 INFO L226 Difference]: Without dead ends: 8863 [2022-03-01 16:51:59,973 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1455 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=1042, Invalid=4964, Unknown=0, NotChecked=0, Total=6006 [2022-03-01 16:51:59,973 INFO L933 BasicCegarLoop]: 456 mSDtfsCounter, 2268 mSDsluCounter, 5520 mSDsCounter, 0 mSdLazyCounter, 5104 mSolverCounterSat, 304 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2268 SdHoareTripleChecker+Valid, 5969 SdHoareTripleChecker+Invalid, 5408 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 304 IncrementalHoareTripleChecker+Valid, 5104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-03-01 16:51:59,973 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2268 Valid, 5969 Invalid, 5408 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [304 Valid, 5104 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-03-01 16:51:59,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8863 states. [2022-03-01 16:52:00,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8863 to 2924. [2022-03-01 16:52:00,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2924 states, 2912 states have (on average 1.92239010989011) internal successors, (5598), 2923 states have internal predecessors, (5598), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:00,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2924 states to 2924 states and 5598 transitions. [2022-03-01 16:52:00,028 INFO L78 Accepts]: Start accepts. Automaton has 2924 states and 5598 transitions. Word has length 172 [2022-03-01 16:52:00,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:52:00,028 INFO L470 AbstractCegarLoop]: Abstraction has 2924 states and 5598 transitions. [2022-03-01 16:52:00,028 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:00,028 INFO L276 IsEmpty]: Start isEmpty. Operand 2924 states and 5598 transitions. [2022-03-01 16:52:00,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-01 16:52:00,030 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:52:00,030 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:52:00,030 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73 [2022-03-01 16:52:00,030 INFO L402 AbstractCegarLoop]: === Iteration 75 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:52:00,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:52:00,030 INFO L85 PathProgramCache]: Analyzing trace with hash 114918789, now seen corresponding path program 7 times [2022-03-01 16:52:00,030 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:52:00,030 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1787694888] [2022-03-01 16:52:00,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:52:00,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:52:00,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:52:00,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:52:00,358 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:52:00,358 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1787694888] [2022-03-01 16:52:00,358 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1787694888] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:52:00,358 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:52:00,358 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-01 16:52:00,359 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [810424776] [2022-03-01 16:52:00,359 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:52:00,359 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-01 16:52:00,359 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:52:00,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-01 16:52:00,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=534, Unknown=0, NotChecked=0, Total=600 [2022-03-01 16:52:00,359 INFO L87 Difference]: Start difference. First operand 2924 states and 5598 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:03,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:52:03,589 INFO L93 Difference]: Finished difference Result 9002 states and 17320 transitions. [2022-03-01 16:52:03,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2022-03-01 16:52:03,590 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 172 [2022-03-01 16:52:03,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:52:03,600 INFO L225 Difference]: With dead ends: 9002 [2022-03-01 16:52:03,600 INFO L226 Difference]: Without dead ends: 9002 [2022-03-01 16:52:03,600 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1567 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=1087, Invalid=5233, Unknown=0, NotChecked=0, Total=6320 [2022-03-01 16:52:03,601 INFO L933 BasicCegarLoop]: 471 mSDtfsCounter, 2558 mSDsluCounter, 5852 mSDsCounter, 0 mSdLazyCounter, 5371 mSolverCounterSat, 403 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2558 SdHoareTripleChecker+Valid, 6317 SdHoareTripleChecker+Invalid, 5774 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 403 IncrementalHoareTripleChecker+Valid, 5371 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-03-01 16:52:03,601 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2558 Valid, 6317 Invalid, 5774 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [403 Valid, 5371 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-03-01 16:52:03,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9002 states. [2022-03-01 16:52:03,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9002 to 2914. [2022-03-01 16:52:03,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2914 states, 2902 states have (on average 1.9221226740179187) internal successors, (5578), 2913 states have internal predecessors, (5578), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:03,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2914 states to 2914 states and 5578 transitions. [2022-03-01 16:52:03,646 INFO L78 Accepts]: Start accepts. Automaton has 2914 states and 5578 transitions. Word has length 172 [2022-03-01 16:52:03,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:52:03,646 INFO L470 AbstractCegarLoop]: Abstraction has 2914 states and 5578 transitions. [2022-03-01 16:52:03,646 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:03,647 INFO L276 IsEmpty]: Start isEmpty. Operand 2914 states and 5578 transitions. [2022-03-01 16:52:03,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-01 16:52:03,648 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:52:03,648 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:52:03,648 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74 [2022-03-01 16:52:03,648 INFO L402 AbstractCegarLoop]: === Iteration 76 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:52:03,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:52:03,649 INFO L85 PathProgramCache]: Analyzing trace with hash -2117396093, now seen corresponding path program 8 times [2022-03-01 16:52:03,649 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:52:03,649 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [454295826] [2022-03-01 16:52:03,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:52:03,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:52:03,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:52:04,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:52:04,026 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:52:04,026 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [454295826] [2022-03-01 16:52:04,026 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [454295826] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:52:04,026 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:52:04,026 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-03-01 16:52:04,026 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [653976448] [2022-03-01 16:52:04,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:52:04,026 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-01 16:52:04,026 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:52:04,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-01 16:52:04,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=625, Unknown=0, NotChecked=0, Total=702 [2022-03-01 16:52:04,027 INFO L87 Difference]: Start difference. First operand 2914 states and 5578 transitions. Second operand has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:07,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:52:07,181 INFO L93 Difference]: Finished difference Result 7403 states and 14261 transitions. [2022-03-01 16:52:07,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-03-01 16:52:07,182 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 172 [2022-03-01 16:52:07,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:52:07,191 INFO L225 Difference]: With dead ends: 7403 [2022-03-01 16:52:07,191 INFO L226 Difference]: Without dead ends: 7403 [2022-03-01 16:52:07,192 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1364 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=978, Invalid=5028, Unknown=0, NotChecked=0, Total=6006 [2022-03-01 16:52:07,192 INFO L933 BasicCegarLoop]: 413 mSDtfsCounter, 2049 mSDsluCounter, 5625 mSDsCounter, 0 mSdLazyCounter, 5540 mSolverCounterSat, 385 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2049 SdHoareTripleChecker+Valid, 6030 SdHoareTripleChecker+Invalid, 5925 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 385 IncrementalHoareTripleChecker+Valid, 5540 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-03-01 16:52:07,193 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2049 Valid, 6030 Invalid, 5925 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [385 Valid, 5540 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-03-01 16:52:07,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7403 states. [2022-03-01 16:52:07,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7403 to 2917. [2022-03-01 16:52:07,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2917 states, 2905 states have (on average 1.9222030981067126) internal successors, (5584), 2916 states have internal predecessors, (5584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:07,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2917 states to 2917 states and 5584 transitions. [2022-03-01 16:52:07,237 INFO L78 Accepts]: Start accepts. Automaton has 2917 states and 5584 transitions. Word has length 172 [2022-03-01 16:52:07,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:52:07,237 INFO L470 AbstractCegarLoop]: Abstraction has 2917 states and 5584 transitions. [2022-03-01 16:52:07,237 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:07,237 INFO L276 IsEmpty]: Start isEmpty. Operand 2917 states and 5584 transitions. [2022-03-01 16:52:07,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-01 16:52:07,238 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:52:07,238 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:52:07,238 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75 [2022-03-01 16:52:07,238 INFO L402 AbstractCegarLoop]: === Iteration 77 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:52:07,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:52:07,239 INFO L85 PathProgramCache]: Analyzing trace with hash -1303405533, now seen corresponding path program 9 times [2022-03-01 16:52:07,239 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:52:07,239 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [337713114] [2022-03-01 16:52:07,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:52:07,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:52:07,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:52:07,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:52:07,610 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:52:07,610 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [337713114] [2022-03-01 16:52:07,610 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [337713114] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:52:07,610 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:52:07,611 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-01 16:52:07,611 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030438178] [2022-03-01 16:52:07,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:52:07,611 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-01 16:52:07,611 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:52:07,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-01 16:52:07,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=533, Unknown=0, NotChecked=0, Total=600 [2022-03-01 16:52:07,611 INFO L87 Difference]: Start difference. First operand 2917 states and 5584 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:10,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:52:10,552 INFO L93 Difference]: Finished difference Result 7554 states and 14559 transitions. [2022-03-01 16:52:10,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2022-03-01 16:52:10,552 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 172 [2022-03-01 16:52:10,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:52:10,561 INFO L225 Difference]: With dead ends: 7554 [2022-03-01 16:52:10,561 INFO L226 Difference]: Without dead ends: 7554 [2022-03-01 16:52:10,562 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1397 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=1062, Invalid=4944, Unknown=0, NotChecked=0, Total=6006 [2022-03-01 16:52:10,562 INFO L933 BasicCegarLoop]: 429 mSDtfsCounter, 1956 mSDsluCounter, 5313 mSDsCounter, 0 mSdLazyCounter, 4915 mSolverCounterSat, 362 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1956 SdHoareTripleChecker+Valid, 5736 SdHoareTripleChecker+Invalid, 5277 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 362 IncrementalHoareTripleChecker+Valid, 4915 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-03-01 16:52:10,562 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1956 Valid, 5736 Invalid, 5277 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [362 Valid, 4915 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-03-01 16:52:10,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7554 states. [2022-03-01 16:52:10,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7554 to 2913. [2022-03-01 16:52:10,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2913 states, 2901 states have (on average 1.9220958290244743) internal successors, (5576), 2912 states have internal predecessors, (5576), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:10,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2913 states to 2913 states and 5576 transitions. [2022-03-01 16:52:10,606 INFO L78 Accepts]: Start accepts. Automaton has 2913 states and 5576 transitions. Word has length 172 [2022-03-01 16:52:10,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:52:10,606 INFO L470 AbstractCegarLoop]: Abstraction has 2913 states and 5576 transitions. [2022-03-01 16:52:10,606 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:10,606 INFO L276 IsEmpty]: Start isEmpty. Operand 2913 states and 5576 transitions. [2022-03-01 16:52:10,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-01 16:52:10,608 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:52:10,608 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:52:10,608 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76 [2022-03-01 16:52:10,608 INFO L402 AbstractCegarLoop]: === Iteration 78 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:52:10,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:52:10,608 INFO L85 PathProgramCache]: Analyzing trace with hash 1269855877, now seen corresponding path program 10 times [2022-03-01 16:52:10,608 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:52:10,609 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2087287332] [2022-03-01 16:52:10,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:52:10,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:52:10,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:52:10,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:52:10,949 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:52:10,949 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2087287332] [2022-03-01 16:52:10,950 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2087287332] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:52:10,950 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:52:10,950 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-01 16:52:10,950 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312970908] [2022-03-01 16:52:10,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:52:10,950 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-01 16:52:10,950 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:52:10,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-01 16:52:10,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=534, Unknown=0, NotChecked=0, Total=600 [2022-03-01 16:52:10,950 INFO L87 Difference]: Start difference. First operand 2913 states and 5576 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:13,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:52:13,963 INFO L93 Difference]: Finished difference Result 7361 states and 14177 transitions. [2022-03-01 16:52:13,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2022-03-01 16:52:13,964 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 172 [2022-03-01 16:52:13,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:52:13,973 INFO L225 Difference]: With dead ends: 7361 [2022-03-01 16:52:13,973 INFO L226 Difference]: Without dead ends: 7361 [2022-03-01 16:52:13,974 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1298 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=1002, Invalid=4698, Unknown=0, NotChecked=0, Total=5700 [2022-03-01 16:52:13,974 INFO L933 BasicCegarLoop]: 442 mSDtfsCounter, 2141 mSDsluCounter, 5256 mSDsCounter, 0 mSdLazyCounter, 5172 mSolverCounterSat, 391 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2141 SdHoareTripleChecker+Valid, 5691 SdHoareTripleChecker+Invalid, 5563 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 391 IncrementalHoareTripleChecker+Valid, 5172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-03-01 16:52:13,974 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2141 Valid, 5691 Invalid, 5563 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [391 Valid, 5172 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-03-01 16:52:13,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7361 states. [2022-03-01 16:52:14,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7361 to 2887. [2022-03-01 16:52:14,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2887 states, 2875 states have (on average 1.9213913043478261) internal successors, (5524), 2886 states have internal predecessors, (5524), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:14,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2887 states to 2887 states and 5524 transitions. [2022-03-01 16:52:14,029 INFO L78 Accepts]: Start accepts. Automaton has 2887 states and 5524 transitions. Word has length 172 [2022-03-01 16:52:14,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:52:14,031 INFO L470 AbstractCegarLoop]: Abstraction has 2887 states and 5524 transitions. [2022-03-01 16:52:14,031 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:14,031 INFO L276 IsEmpty]: Start isEmpty. Operand 2887 states and 5524 transitions. [2022-03-01 16:52:14,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-01 16:52:14,033 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:52:14,033 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:52:14,033 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable77 [2022-03-01 16:52:14,033 INFO L402 AbstractCegarLoop]: === Iteration 79 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:52:14,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:52:14,033 INFO L85 PathProgramCache]: Analyzing trace with hash -1533247723, now seen corresponding path program 11 times [2022-03-01 16:52:14,033 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:52:14,033 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1118775510] [2022-03-01 16:52:14,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:52:14,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:52:14,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:52:14,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:52:14,409 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:52:14,409 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1118775510] [2022-03-01 16:52:14,409 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1118775510] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:52:14,409 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:52:14,409 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-01 16:52:14,409 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [148710486] [2022-03-01 16:52:14,409 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:52:14,409 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-01 16:52:14,409 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:52:14,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-01 16:52:14,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=526, Unknown=0, NotChecked=0, Total=600 [2022-03-01 16:52:14,410 INFO L87 Difference]: Start difference. First operand 2887 states and 5524 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:15,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:52:15,961 INFO L93 Difference]: Finished difference Result 5330 states and 10270 transitions. [2022-03-01 16:52:15,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-03-01 16:52:15,961 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 172 [2022-03-01 16:52:15,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:52:15,967 INFO L225 Difference]: With dead ends: 5330 [2022-03-01 16:52:15,967 INFO L226 Difference]: Without dead ends: 5330 [2022-03-01 16:52:15,967 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 674 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=584, Invalid=2956, Unknown=0, NotChecked=0, Total=3540 [2022-03-01 16:52:15,967 INFO L933 BasicCegarLoop]: 287 mSDtfsCounter, 1293 mSDsluCounter, 3165 mSDsCounter, 0 mSdLazyCounter, 2079 mSolverCounterSat, 222 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1293 SdHoareTripleChecker+Valid, 3447 SdHoareTripleChecker+Invalid, 2301 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 222 IncrementalHoareTripleChecker+Valid, 2079 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-03-01 16:52:15,967 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1293 Valid, 3447 Invalid, 2301 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [222 Valid, 2079 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-03-01 16:52:15,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5330 states. [2022-03-01 16:52:15,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5330 to 2895. [2022-03-01 16:52:15,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2895 states, 2883 states have (on average 1.9216094346167187) internal successors, (5540), 2894 states have internal predecessors, (5540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:15,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2895 states to 2895 states and 5540 transitions. [2022-03-01 16:52:15,995 INFO L78 Accepts]: Start accepts. Automaton has 2895 states and 5540 transitions. Word has length 172 [2022-03-01 16:52:15,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:52:15,995 INFO L470 AbstractCegarLoop]: Abstraction has 2895 states and 5540 transitions. [2022-03-01 16:52:15,996 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:15,996 INFO L276 IsEmpty]: Start isEmpty. Operand 2895 states and 5540 transitions. [2022-03-01 16:52:15,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-01 16:52:15,997 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:52:15,997 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:52:15,997 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable78 [2022-03-01 16:52:15,997 INFO L402 AbstractCegarLoop]: === Iteration 80 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:52:15,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:52:15,997 INFO L85 PathProgramCache]: Analyzing trace with hash 1246627601, now seen corresponding path program 12 times [2022-03-01 16:52:15,998 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:52:15,998 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1418848833] [2022-03-01 16:52:15,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:52:15,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:52:16,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:52:16,366 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:52:16,366 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:52:16,366 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1418848833] [2022-03-01 16:52:16,366 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1418848833] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:52:16,366 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:52:16,366 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-01 16:52:16,366 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1608178935] [2022-03-01 16:52:16,366 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:52:16,367 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-01 16:52:16,367 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:52:16,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-01 16:52:16,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=530, Unknown=0, NotChecked=0, Total=600 [2022-03-01 16:52:16,367 INFO L87 Difference]: Start difference. First operand 2895 states and 5540 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:18,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:52:18,186 INFO L93 Difference]: Finished difference Result 5439 states and 10482 transitions. [2022-03-01 16:52:18,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-03-01 16:52:18,187 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 172 [2022-03-01 16:52:18,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:52:18,192 INFO L225 Difference]: With dead ends: 5439 [2022-03-01 16:52:18,193 INFO L226 Difference]: Without dead ends: 5439 [2022-03-01 16:52:18,193 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 849 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=679, Invalid=3481, Unknown=0, NotChecked=0, Total=4160 [2022-03-01 16:52:18,193 INFO L933 BasicCegarLoop]: 293 mSDtfsCounter, 1354 mSDsluCounter, 3299 mSDsCounter, 0 mSdLazyCounter, 2462 mSolverCounterSat, 211 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1354 SdHoareTripleChecker+Valid, 3587 SdHoareTripleChecker+Invalid, 2673 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 211 IncrementalHoareTripleChecker+Valid, 2462 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-03-01 16:52:18,193 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1354 Valid, 3587 Invalid, 2673 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [211 Valid, 2462 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-03-01 16:52:18,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5439 states. [2022-03-01 16:52:18,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5439 to 2898. [2022-03-01 16:52:18,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2898 states, 2886 states have (on average 1.9216909216909217) internal successors, (5546), 2897 states have internal predecessors, (5546), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:18,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2898 states to 2898 states and 5546 transitions. [2022-03-01 16:52:18,224 INFO L78 Accepts]: Start accepts. Automaton has 2898 states and 5546 transitions. Word has length 172 [2022-03-01 16:52:18,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:52:18,224 INFO L470 AbstractCegarLoop]: Abstraction has 2898 states and 5546 transitions. [2022-03-01 16:52:18,224 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:18,225 INFO L276 IsEmpty]: Start isEmpty. Operand 2898 states and 5546 transitions. [2022-03-01 16:52:18,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-01 16:52:18,226 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:52:18,226 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:52:18,226 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable79 [2022-03-01 16:52:18,226 INFO L402 AbstractCegarLoop]: === Iteration 81 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:52:18,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:52:18,226 INFO L85 PathProgramCache]: Analyzing trace with hash 1057256383, now seen corresponding path program 13 times [2022-03-01 16:52:18,226 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:52:18,227 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [321198134] [2022-03-01 16:52:18,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:52:18,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:52:18,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:52:18,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:52:18,585 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:52:18,585 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [321198134] [2022-03-01 16:52:18,586 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [321198134] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:52:18,586 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:52:18,586 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-01 16:52:18,586 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1639173302] [2022-03-01 16:52:18,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:52:18,586 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-01 16:52:18,586 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:52:18,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-01 16:52:18,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=529, Unknown=0, NotChecked=0, Total=600 [2022-03-01 16:52:18,586 INFO L87 Difference]: Start difference. First operand 2898 states and 5546 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:20,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:52:20,499 INFO L93 Difference]: Finished difference Result 5523 states and 10646 transitions. [2022-03-01 16:52:20,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-03-01 16:52:20,499 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 172 [2022-03-01 16:52:20,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:52:20,505 INFO L225 Difference]: With dead ends: 5523 [2022-03-01 16:52:20,505 INFO L226 Difference]: Without dead ends: 5523 [2022-03-01 16:52:20,506 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1003 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=782, Invalid=3910, Unknown=0, NotChecked=0, Total=4692 [2022-03-01 16:52:20,506 INFO L933 BasicCegarLoop]: 311 mSDtfsCounter, 1556 mSDsluCounter, 3426 mSDsCounter, 0 mSdLazyCounter, 2609 mSolverCounterSat, 249 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1556 SdHoareTripleChecker+Valid, 3731 SdHoareTripleChecker+Invalid, 2858 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 249 IncrementalHoareTripleChecker+Valid, 2609 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-03-01 16:52:20,506 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1556 Valid, 3731 Invalid, 2858 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [249 Valid, 2609 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-03-01 16:52:20,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5523 states. [2022-03-01 16:52:20,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5523 to 2912. [2022-03-01 16:52:20,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2912 states, 2900 states have (on average 1.9224137931034482) internal successors, (5575), 2911 states have internal predecessors, (5575), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:20,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2912 states to 2912 states and 5575 transitions. [2022-03-01 16:52:20,540 INFO L78 Accepts]: Start accepts. Automaton has 2912 states and 5575 transitions. Word has length 172 [2022-03-01 16:52:20,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:52:20,541 INFO L470 AbstractCegarLoop]: Abstraction has 2912 states and 5575 transitions. [2022-03-01 16:52:20,541 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:20,541 INFO L276 IsEmpty]: Start isEmpty. Operand 2912 states and 5575 transitions. [2022-03-01 16:52:20,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-01 16:52:20,544 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:52:20,544 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:52:20,544 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80 [2022-03-01 16:52:20,544 INFO L402 AbstractCegarLoop]: === Iteration 82 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:52:20,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:52:20,544 INFO L85 PathProgramCache]: Analyzing trace with hash -28131617, now seen corresponding path program 14 times [2022-03-01 16:52:20,544 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:52:20,544 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1319694190] [2022-03-01 16:52:20,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:52:20,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:52:20,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:52:20,947 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:52:20,948 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:52:20,948 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1319694190] [2022-03-01 16:52:20,948 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1319694190] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:52:20,948 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:52:20,948 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-03-01 16:52:20,948 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751214600] [2022-03-01 16:52:20,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:52:20,948 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-01 16:52:20,948 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:52:20,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-01 16:52:20,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=625, Unknown=0, NotChecked=0, Total=702 [2022-03-01 16:52:20,949 INFO L87 Difference]: Start difference. First operand 2912 states and 5575 transitions. Second operand has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:23,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:52:23,079 INFO L93 Difference]: Finished difference Result 5418 states and 10441 transitions. [2022-03-01 16:52:23,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-03-01 16:52:23,080 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 172 [2022-03-01 16:52:23,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:52:23,086 INFO L225 Difference]: With dead ends: 5418 [2022-03-01 16:52:23,086 INFO L226 Difference]: Without dead ends: 5418 [2022-03-01 16:52:23,087 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1123 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=767, Invalid=4345, Unknown=0, NotChecked=0, Total=5112 [2022-03-01 16:52:23,087 INFO L933 BasicCegarLoop]: 278 mSDtfsCounter, 1396 mSDsluCounter, 3840 mSDsCounter, 0 mSdLazyCounter, 3112 mSolverCounterSat, 225 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1396 SdHoareTripleChecker+Valid, 4111 SdHoareTripleChecker+Invalid, 3337 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 225 IncrementalHoareTripleChecker+Valid, 3112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:52:23,087 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1396 Valid, 4111 Invalid, 3337 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [225 Valid, 3112 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-03-01 16:52:23,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5418 states. [2022-03-01 16:52:23,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5418 to 2918. [2022-03-01 16:52:23,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2918 states, 2906 states have (on average 1.9225739848589125) internal successors, (5587), 2917 states have internal predecessors, (5587), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:23,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2918 states to 2918 states and 5587 transitions. [2022-03-01 16:52:23,122 INFO L78 Accepts]: Start accepts. Automaton has 2918 states and 5587 transitions. Word has length 172 [2022-03-01 16:52:23,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:52:23,122 INFO L470 AbstractCegarLoop]: Abstraction has 2918 states and 5587 transitions. [2022-03-01 16:52:23,122 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:23,122 INFO L276 IsEmpty]: Start isEmpty. Operand 2918 states and 5587 transitions. [2022-03-01 16:52:23,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-01 16:52:23,124 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:52:23,124 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:52:23,124 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81 [2022-03-01 16:52:23,124 INFO L402 AbstractCegarLoop]: === Iteration 83 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:52:23,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:52:23,124 INFO L85 PathProgramCache]: Analyzing trace with hash -217502835, now seen corresponding path program 15 times [2022-03-01 16:52:23,124 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:52:23,124 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [631389638] [2022-03-01 16:52:23,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:52:23,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:52:23,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:52:23,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:52:23,504 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:52:23,505 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [631389638] [2022-03-01 16:52:23,505 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [631389638] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:52:23,505 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:52:23,505 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-01 16:52:23,505 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306671139] [2022-03-01 16:52:23,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:52:23,505 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-01 16:52:23,505 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:52:23,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-01 16:52:23,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=532, Unknown=0, NotChecked=0, Total=600 [2022-03-01 16:52:23,505 INFO L87 Difference]: Start difference. First operand 2918 states and 5587 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:25,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:52:25,588 INFO L93 Difference]: Finished difference Result 5648 states and 10890 transitions. [2022-03-01 16:52:25,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2022-03-01 16:52:25,589 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 172 [2022-03-01 16:52:25,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:52:25,595 INFO L225 Difference]: With dead ends: 5648 [2022-03-01 16:52:25,595 INFO L226 Difference]: Without dead ends: 5648 [2022-03-01 16:52:25,596 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1219 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=902, Invalid=4500, Unknown=0, NotChecked=0, Total=5402 [2022-03-01 16:52:25,596 INFO L933 BasicCegarLoop]: 317 mSDtfsCounter, 1536 mSDsluCounter, 3553 mSDsCounter, 0 mSdLazyCounter, 2753 mSolverCounterSat, 269 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1536 SdHoareTripleChecker+Valid, 3865 SdHoareTripleChecker+Invalid, 3022 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 269 IncrementalHoareTripleChecker+Valid, 2753 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-03-01 16:52:25,596 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1536 Valid, 3865 Invalid, 3022 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [269 Valid, 2753 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-03-01 16:52:25,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5648 states. [2022-03-01 16:52:25,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5648 to 2915. [2022-03-01 16:52:25,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2915 states, 2903 states have (on average 1.9224939717533587) internal successors, (5581), 2914 states have internal predecessors, (5581), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:25,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2915 states to 2915 states and 5581 transitions. [2022-03-01 16:52:25,636 INFO L78 Accepts]: Start accepts. Automaton has 2915 states and 5581 transitions. Word has length 172 [2022-03-01 16:52:25,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:52:25,636 INFO L470 AbstractCegarLoop]: Abstraction has 2915 states and 5581 transitions. [2022-03-01 16:52:25,637 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:25,637 INFO L276 IsEmpty]: Start isEmpty. Operand 2915 states and 5581 transitions. [2022-03-01 16:52:25,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-01 16:52:25,638 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:52:25,638 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:52:25,638 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable82 [2022-03-01 16:52:25,638 INFO L402 AbstractCegarLoop]: === Iteration 84 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:52:25,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:52:25,638 INFO L85 PathProgramCache]: Analyzing trace with hash 588971541, now seen corresponding path program 16 times [2022-03-01 16:52:25,638 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:52:25,639 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [475388919] [2022-03-01 16:52:25,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:52:25,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:52:25,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:52:25,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:52:25,994 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:52:25,994 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [475388919] [2022-03-01 16:52:25,994 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [475388919] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:52:25,994 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:52:25,994 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-01 16:52:25,994 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322445036] [2022-03-01 16:52:25,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:52:25,995 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-01 16:52:25,995 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:52:25,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-01 16:52:25,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=530, Unknown=0, NotChecked=0, Total=600 [2022-03-01 16:52:25,995 INFO L87 Difference]: Start difference. First operand 2915 states and 5581 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:27,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:52:27,885 INFO L93 Difference]: Finished difference Result 5636 states and 10872 transitions. [2022-03-01 16:52:27,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-03-01 16:52:27,886 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 172 [2022-03-01 16:52:27,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:52:27,891 INFO L225 Difference]: With dead ends: 5636 [2022-03-01 16:52:27,891 INFO L226 Difference]: Without dead ends: 5636 [2022-03-01 16:52:27,891 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1288 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=981, Invalid=4719, Unknown=0, NotChecked=0, Total=5700 [2022-03-01 16:52:27,891 INFO L933 BasicCegarLoop]: 335 mSDtfsCounter, 1777 mSDsluCounter, 2733 mSDsCounter, 0 mSdLazyCounter, 2050 mSolverCounterSat, 317 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1777 SdHoareTripleChecker+Valid, 3063 SdHoareTripleChecker+Invalid, 2367 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 317 IncrementalHoareTripleChecker+Valid, 2050 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-03-01 16:52:27,891 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1777 Valid, 3063 Invalid, 2367 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [317 Valid, 2050 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-03-01 16:52:27,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5636 states. [2022-03-01 16:52:27,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5636 to 2929. [2022-03-01 16:52:27,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2929 states, 2917 states have (on average 1.9232087761398697) internal successors, (5610), 2928 states have internal predecessors, (5610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:27,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2929 states to 2929 states and 5610 transitions. [2022-03-01 16:52:27,919 INFO L78 Accepts]: Start accepts. Automaton has 2929 states and 5610 transitions. Word has length 172 [2022-03-01 16:52:27,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:52:27,919 INFO L470 AbstractCegarLoop]: Abstraction has 2929 states and 5610 transitions. [2022-03-01 16:52:27,919 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:27,919 INFO L276 IsEmpty]: Start isEmpty. Operand 2929 states and 5610 transitions. [2022-03-01 16:52:27,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-01 16:52:27,920 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:52:27,920 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:52:27,921 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable83 [2022-03-01 16:52:27,921 INFO L402 AbstractCegarLoop]: === Iteration 85 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:52:27,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:52:27,921 INFO L85 PathProgramCache]: Analyzing trace with hash 815754981, now seen corresponding path program 17 times [2022-03-01 16:52:27,921 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:52:27,921 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292486973] [2022-03-01 16:52:27,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:52:27,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:52:27,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:52:28,327 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:52:28,327 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:52:28,327 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1292486973] [2022-03-01 16:52:28,327 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1292486973] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:52:28,327 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:52:28,327 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-03-01 16:52:28,327 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [429886144] [2022-03-01 16:52:28,327 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:52:28,327 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-01 16:52:28,327 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:52:28,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-01 16:52:28,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=624, Unknown=0, NotChecked=0, Total=702 [2022-03-01 16:52:28,328 INFO L87 Difference]: Start difference. First operand 2929 states and 5610 transitions. Second operand has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:30,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:52:30,439 INFO L93 Difference]: Finished difference Result 5444 states and 10494 transitions. [2022-03-01 16:52:30,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2022-03-01 16:52:30,440 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 172 [2022-03-01 16:52:30,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:52:30,446 INFO L225 Difference]: With dead ends: 5444 [2022-03-01 16:52:30,446 INFO L226 Difference]: Without dead ends: 5444 [2022-03-01 16:52:30,446 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1202 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=825, Invalid=4577, Unknown=0, NotChecked=0, Total=5402 [2022-03-01 16:52:30,446 INFO L933 BasicCegarLoop]: 283 mSDtfsCounter, 1342 mSDsluCounter, 3962 mSDsCounter, 0 mSdLazyCounter, 3107 mSolverCounterSat, 222 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1342 SdHoareTripleChecker+Valid, 4238 SdHoareTripleChecker+Invalid, 3329 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 222 IncrementalHoareTripleChecker+Valid, 3107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-03-01 16:52:30,446 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1342 Valid, 4238 Invalid, 3329 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [222 Valid, 3107 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-03-01 16:52:30,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5444 states. [2022-03-01 16:52:30,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5444 to 2938. [2022-03-01 16:52:30,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2938 states, 2926 states have (on average 1.923444976076555) internal successors, (5628), 2937 states have internal predecessors, (5628), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:30,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2938 states to 2938 states and 5628 transitions. [2022-03-01 16:52:30,480 INFO L78 Accepts]: Start accepts. Automaton has 2938 states and 5628 transitions. Word has length 172 [2022-03-01 16:52:30,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:52:30,481 INFO L470 AbstractCegarLoop]: Abstraction has 2938 states and 5628 transitions. [2022-03-01 16:52:30,481 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:30,481 INFO L276 IsEmpty]: Start isEmpty. Operand 2938 states and 5628 transitions. [2022-03-01 16:52:30,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-01 16:52:30,482 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:52:30,482 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:52:30,482 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable84 [2022-03-01 16:52:30,482 INFO L402 AbstractCegarLoop]: === Iteration 86 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:52:30,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:52:30,483 INFO L85 PathProgramCache]: Analyzing trace with hash 626383763, now seen corresponding path program 18 times [2022-03-01 16:52:30,483 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:52:30,483 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610576315] [2022-03-01 16:52:30,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:52:30,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:52:30,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:52:30,829 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:52:30,829 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:52:30,829 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [610576315] [2022-03-01 16:52:30,829 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [610576315] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:52:30,830 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:52:30,830 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-01 16:52:30,830 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2032723313] [2022-03-01 16:52:30,830 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:52:30,830 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-01 16:52:30,830 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:52:30,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-01 16:52:30,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=532, Unknown=0, NotChecked=0, Total=600 [2022-03-01 16:52:30,830 INFO L87 Difference]: Start difference. First operand 2938 states and 5628 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:33,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:52:33,047 INFO L93 Difference]: Finished difference Result 5618 states and 10832 transitions. [2022-03-01 16:52:33,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-03-01 16:52:33,048 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 172 [2022-03-01 16:52:33,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:52:33,054 INFO L225 Difference]: With dead ends: 5618 [2022-03-01 16:52:33,054 INFO L226 Difference]: Without dead ends: 5618 [2022-03-01 16:52:33,055 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1164 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=890, Invalid=4366, Unknown=0, NotChecked=0, Total=5256 [2022-03-01 16:52:33,055 INFO L933 BasicCegarLoop]: 308 mSDtfsCounter, 1681 mSDsluCounter, 4350 mSDsCounter, 0 mSdLazyCounter, 3288 mSolverCounterSat, 279 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1681 SdHoareTripleChecker+Valid, 4653 SdHoareTripleChecker+Invalid, 3567 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 279 IncrementalHoareTripleChecker+Valid, 3288 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:52:33,055 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1681 Valid, 4653 Invalid, 3567 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [279 Valid, 3288 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-03-01 16:52:33,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5618 states. [2022-03-01 16:52:33,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5618 to 2935. [2022-03-01 16:52:33,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2935 states, 2923 states have (on average 1.9233664043790626) internal successors, (5622), 2934 states have internal predecessors, (5622), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:33,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2935 states to 2935 states and 5622 transitions. [2022-03-01 16:52:33,088 INFO L78 Accepts]: Start accepts. Automaton has 2935 states and 5622 transitions. Word has length 172 [2022-03-01 16:52:33,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:52:33,088 INFO L470 AbstractCegarLoop]: Abstraction has 2935 states and 5622 transitions. [2022-03-01 16:52:33,089 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:33,089 INFO L276 IsEmpty]: Start isEmpty. Operand 2935 states and 5622 transitions. [2022-03-01 16:52:33,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-01 16:52:33,090 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:52:33,090 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:52:33,090 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable85 [2022-03-01 16:52:33,090 INFO L402 AbstractCegarLoop]: === Iteration 87 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:52:33,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:52:33,090 INFO L85 PathProgramCache]: Analyzing trace with hash 1432858139, now seen corresponding path program 19 times [2022-03-01 16:52:33,090 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:52:33,090 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1230759981] [2022-03-01 16:52:33,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:52:33,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:52:33,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:52:33,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:52:33,489 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:52:33,489 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1230759981] [2022-03-01 16:52:33,489 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1230759981] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:52:33,489 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:52:33,490 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-03-01 16:52:33,490 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1961060783] [2022-03-01 16:52:33,490 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:52:33,490 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-01 16:52:33,490 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:52:33,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-01 16:52:33,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=626, Unknown=0, NotChecked=0, Total=702 [2022-03-01 16:52:33,490 INFO L87 Difference]: Start difference. First operand 2935 states and 5622 transitions. Second operand has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:36,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:52:36,065 INFO L93 Difference]: Finished difference Result 5767 states and 11128 transitions. [2022-03-01 16:52:36,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2022-03-01 16:52:36,065 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 172 [2022-03-01 16:52:36,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:52:36,070 INFO L225 Difference]: With dead ends: 5767 [2022-03-01 16:52:36,071 INFO L226 Difference]: Without dead ends: 5767 [2022-03-01 16:52:36,071 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1839 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=1184, Invalid=6298, Unknown=0, NotChecked=0, Total=7482 [2022-03-01 16:52:36,071 INFO L933 BasicCegarLoop]: 328 mSDtfsCounter, 1892 mSDsluCounter, 4261 mSDsCounter, 0 mSdLazyCounter, 3544 mSolverCounterSat, 373 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1892 SdHoareTripleChecker+Valid, 4582 SdHoareTripleChecker+Invalid, 3917 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 373 IncrementalHoareTripleChecker+Valid, 3544 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:52:36,071 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1892 Valid, 4582 Invalid, 3917 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [373 Valid, 3544 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-03-01 16:52:36,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5767 states. [2022-03-01 16:52:36,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5767 to 2932. [2022-03-01 16:52:36,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2932 states, 2920 states have (on average 1.9232876712328768) internal successors, (5616), 2931 states have internal predecessors, (5616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:36,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2932 states to 2932 states and 5616 transitions. [2022-03-01 16:52:36,103 INFO L78 Accepts]: Start accepts. Automaton has 2932 states and 5616 transitions. Word has length 172 [2022-03-01 16:52:36,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:52:36,104 INFO L470 AbstractCegarLoop]: Abstraction has 2932 states and 5616 transitions. [2022-03-01 16:52:36,104 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:36,104 INFO L276 IsEmpty]: Start isEmpty. Operand 2932 states and 5616 transitions. [2022-03-01 16:52:36,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-01 16:52:36,105 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:52:36,105 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:52:36,105 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable86 [2022-03-01 16:52:36,105 INFO L402 AbstractCegarLoop]: === Iteration 88 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:52:36,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:52:36,105 INFO L85 PathProgramCache]: Analyzing trace with hash 1190569945, now seen corresponding path program 20 times [2022-03-01 16:52:36,105 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:52:36,105 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1728757960] [2022-03-01 16:52:36,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:52:36,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:52:36,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:52:36,487 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:52:36,487 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:52:36,487 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1728757960] [2022-03-01 16:52:36,487 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1728757960] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:52:36,487 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:52:36,487 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-03-01 16:52:36,487 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1171458941] [2022-03-01 16:52:36,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:52:36,487 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-01 16:52:36,487 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:52:36,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-01 16:52:36,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=627, Unknown=0, NotChecked=0, Total=702 [2022-03-01 16:52:36,488 INFO L87 Difference]: Start difference. First operand 2932 states and 5616 transitions. Second operand has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:39,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:52:39,333 INFO L93 Difference]: Finished difference Result 5740 states and 11076 transitions. [2022-03-01 16:52:39,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2022-03-01 16:52:39,333 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 172 [2022-03-01 16:52:39,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:52:39,340 INFO L225 Difference]: With dead ends: 5740 [2022-03-01 16:52:39,340 INFO L226 Difference]: Without dead ends: 5740 [2022-03-01 16:52:39,340 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1886 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=1185, Invalid=6471, Unknown=0, NotChecked=0, Total=7656 [2022-03-01 16:52:39,341 INFO L933 BasicCegarLoop]: 327 mSDtfsCounter, 1813 mSDsluCounter, 5075 mSDsCounter, 0 mSdLazyCounter, 4277 mSolverCounterSat, 369 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1813 SdHoareTripleChecker+Valid, 5394 SdHoareTripleChecker+Invalid, 4646 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 369 IncrementalHoareTripleChecker+Valid, 4277 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-03-01 16:52:39,341 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1813 Valid, 5394 Invalid, 4646 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [369 Valid, 4277 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-03-01 16:52:39,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5740 states. [2022-03-01 16:52:39,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5740 to 2934. [2022-03-01 16:52:39,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2934 states, 2922 states have (on average 1.9233401779603012) internal successors, (5620), 2933 states have internal predecessors, (5620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:39,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2934 states to 2934 states and 5620 transitions. [2022-03-01 16:52:39,378 INFO L78 Accepts]: Start accepts. Automaton has 2934 states and 5620 transitions. Word has length 172 [2022-03-01 16:52:39,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:52:39,379 INFO L470 AbstractCegarLoop]: Abstraction has 2934 states and 5620 transitions. [2022-03-01 16:52:39,379 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:39,379 INFO L276 IsEmpty]: Start isEmpty. Operand 2934 states and 5620 transitions. [2022-03-01 16:52:39,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-01 16:52:39,380 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:52:39,380 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:52:39,380 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable87 [2022-03-01 16:52:39,380 INFO L402 AbstractCegarLoop]: === Iteration 89 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:52:39,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:52:39,380 INFO L85 PathProgramCache]: Analyzing trace with hash -531135941, now seen corresponding path program 21 times [2022-03-01 16:52:39,381 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:52:39,381 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [417295015] [2022-03-01 16:52:39,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:52:39,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:52:39,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:52:39,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:52:39,752 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:52:39,752 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [417295015] [2022-03-01 16:52:39,752 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [417295015] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:52:39,752 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:52:39,752 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-03-01 16:52:39,752 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [547794580] [2022-03-01 16:52:39,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:52:39,752 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-01 16:52:39,752 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:52:39,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-01 16:52:39,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=628, Unknown=0, NotChecked=0, Total=702 [2022-03-01 16:52:39,753 INFO L87 Difference]: Start difference. First operand 2934 states and 5620 transitions. Second operand has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:42,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:52:42,597 INFO L93 Difference]: Finished difference Result 5727 states and 11054 transitions. [2022-03-01 16:52:42,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2022-03-01 16:52:42,597 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 172 [2022-03-01 16:52:42,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:52:42,603 INFO L225 Difference]: With dead ends: 5727 [2022-03-01 16:52:42,603 INFO L226 Difference]: Without dead ends: 5727 [2022-03-01 16:52:42,603 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1766 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=1133, Invalid=6177, Unknown=0, NotChecked=0, Total=7310 [2022-03-01 16:52:42,603 INFO L933 BasicCegarLoop]: 340 mSDtfsCounter, 1449 mSDsluCounter, 5052 mSDsCounter, 0 mSdLazyCounter, 4450 mSolverCounterSat, 323 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1449 SdHoareTripleChecker+Valid, 5384 SdHoareTripleChecker+Invalid, 4773 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 323 IncrementalHoareTripleChecker+Valid, 4450 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-03-01 16:52:42,604 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1449 Valid, 5384 Invalid, 4773 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [323 Valid, 4450 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-03-01 16:52:42,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5727 states. [2022-03-01 16:52:42,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5727 to 2946. [2022-03-01 16:52:42,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2946 states, 2934 states have (on average 1.9239945466939332) internal successors, (5645), 2945 states have internal predecessors, (5645), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:42,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2946 states to 2946 states and 5645 transitions. [2022-03-01 16:52:42,635 INFO L78 Accepts]: Start accepts. Automaton has 2946 states and 5645 transitions. Word has length 172 [2022-03-01 16:52:42,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:52:42,635 INFO L470 AbstractCegarLoop]: Abstraction has 2946 states and 5645 transitions. [2022-03-01 16:52:42,635 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:42,635 INFO L276 IsEmpty]: Start isEmpty. Operand 2946 states and 5645 transitions. [2022-03-01 16:52:42,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-01 16:52:42,636 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:52:42,636 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:52:42,636 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable88 [2022-03-01 16:52:42,636 INFO L402 AbstractCegarLoop]: === Iteration 90 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:52:42,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:52:42,637 INFO L85 PathProgramCache]: Analyzing trace with hash 654016231, now seen corresponding path program 22 times [2022-03-01 16:52:42,637 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:52:42,637 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1235107363] [2022-03-01 16:52:42,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:52:42,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:52:42,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:52:43,029 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:52:43,029 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:52:43,029 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1235107363] [2022-03-01 16:52:43,029 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1235107363] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:52:43,029 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:52:43,029 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-03-01 16:52:43,029 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [636869479] [2022-03-01 16:52:43,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:52:43,030 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-01 16:52:43,030 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:52:43,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-01 16:52:43,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=621, Unknown=0, NotChecked=0, Total=702 [2022-03-01 16:52:43,030 INFO L87 Difference]: Start difference. First operand 2946 states and 5645 transitions. Second operand has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:45,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:52:45,735 INFO L93 Difference]: Finished difference Result 7289 states and 14038 transitions. [2022-03-01 16:52:45,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2022-03-01 16:52:45,735 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 172 [2022-03-01 16:52:45,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:52:45,744 INFO L225 Difference]: With dead ends: 7289 [2022-03-01 16:52:45,744 INFO L226 Difference]: Without dead ends: 7289 [2022-03-01 16:52:45,744 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1542 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=1014, Invalid=5466, Unknown=0, NotChecked=0, Total=6480 [2022-03-01 16:52:45,745 INFO L933 BasicCegarLoop]: 339 mSDtfsCounter, 2140 mSDsluCounter, 4162 mSDsCounter, 0 mSdLazyCounter, 4059 mSolverCounterSat, 263 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2140 SdHoareTripleChecker+Valid, 4494 SdHoareTripleChecker+Invalid, 4322 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 263 IncrementalHoareTripleChecker+Valid, 4059 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-03-01 16:52:45,745 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2140 Valid, 4494 Invalid, 4322 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [263 Valid, 4059 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-03-01 16:52:45,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7289 states. [2022-03-01 16:52:45,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7289 to 2967. [2022-03-01 16:52:45,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2967 states, 2955 states have (on average 1.9245346869712352) internal successors, (5687), 2966 states have internal predecessors, (5687), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:45,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2967 states to 2967 states and 5687 transitions. [2022-03-01 16:52:45,783 INFO L78 Accepts]: Start accepts. Automaton has 2967 states and 5687 transitions. Word has length 172 [2022-03-01 16:52:45,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:52:45,783 INFO L470 AbstractCegarLoop]: Abstraction has 2967 states and 5687 transitions. [2022-03-01 16:52:45,783 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:45,783 INFO L276 IsEmpty]: Start isEmpty. Operand 2967 states and 5687 transitions. [2022-03-01 16:52:45,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-01 16:52:45,784 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:52:45,784 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:52:45,785 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable89 [2022-03-01 16:52:45,785 INFO L402 AbstractCegarLoop]: === Iteration 91 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:52:45,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:52:45,785 INFO L85 PathProgramCache]: Analyzing trace with hash 464645013, now seen corresponding path program 23 times [2022-03-01 16:52:45,785 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:52:45,785 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1436094269] [2022-03-01 16:52:45,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:52:45,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:52:45,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:52:46,161 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:52:46,161 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:52:46,161 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1436094269] [2022-03-01 16:52:46,161 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1436094269] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:52:46,161 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:52:46,161 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-01 16:52:46,161 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921333109] [2022-03-01 16:52:46,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:52:46,163 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-01 16:52:46,163 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:52:46,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-01 16:52:46,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=530, Unknown=0, NotChecked=0, Total=600 [2022-03-01 16:52:46,163 INFO L87 Difference]: Start difference. First operand 2967 states and 5687 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:48,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:52:48,941 INFO L93 Difference]: Finished difference Result 7463 states and 14376 transitions. [2022-03-01 16:52:48,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2022-03-01 16:52:48,942 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 172 [2022-03-01 16:52:48,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:52:48,950 INFO L225 Difference]: With dead ends: 7463 [2022-03-01 16:52:48,950 INFO L226 Difference]: Without dead ends: 7463 [2022-03-01 16:52:48,950 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1506 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=1090, Invalid=5230, Unknown=0, NotChecked=0, Total=6320 [2022-03-01 16:52:48,951 INFO L933 BasicCegarLoop]: 350 mSDtfsCounter, 2300 mSDsluCounter, 4391 mSDsCounter, 0 mSdLazyCounter, 4117 mSolverCounterSat, 351 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2300 SdHoareTripleChecker+Valid, 4735 SdHoareTripleChecker+Invalid, 4468 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 351 IncrementalHoareTripleChecker+Valid, 4117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-03-01 16:52:48,951 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2300 Valid, 4735 Invalid, 4468 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [351 Valid, 4117 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-03-01 16:52:48,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7463 states. [2022-03-01 16:52:48,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7463 to 2964. [2022-03-01 16:52:48,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2964 states, 2952 states have (on average 1.9244579945799458) internal successors, (5681), 2963 states have internal predecessors, (5681), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:48,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2964 states to 2964 states and 5681 transitions. [2022-03-01 16:52:48,988 INFO L78 Accepts]: Start accepts. Automaton has 2964 states and 5681 transitions. Word has length 172 [2022-03-01 16:52:48,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:52:48,989 INFO L470 AbstractCegarLoop]: Abstraction has 2964 states and 5681 transitions. [2022-03-01 16:52:48,989 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:48,989 INFO L276 IsEmpty]: Start isEmpty. Operand 2964 states and 5681 transitions. [2022-03-01 16:52:48,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-01 16:52:48,990 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:52:48,990 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:52:48,990 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90 [2022-03-01 16:52:48,990 INFO L402 AbstractCegarLoop]: === Iteration 92 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:52:48,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:52:48,990 INFO L85 PathProgramCache]: Analyzing trace with hash 1271119389, now seen corresponding path program 24 times [2022-03-01 16:52:48,991 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:52:48,991 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1323337566] [2022-03-01 16:52:48,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:52:48,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:52:49,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:52:49,374 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:52:49,374 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:52:49,374 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1323337566] [2022-03-01 16:52:49,375 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1323337566] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:52:49,375 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:52:49,375 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-03-01 16:52:49,375 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68451706] [2022-03-01 16:52:49,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:52:49,375 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-01 16:52:49,375 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:52:49,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-01 16:52:49,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=625, Unknown=0, NotChecked=0, Total=702 [2022-03-01 16:52:49,375 INFO L87 Difference]: Start difference. First operand 2964 states and 5681 transitions. Second operand has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:52,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:52:52,426 INFO L93 Difference]: Finished difference Result 7557 states and 14564 transitions. [2022-03-01 16:52:52,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2022-03-01 16:52:52,427 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 172 [2022-03-01 16:52:52,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:52:52,436 INFO L225 Difference]: With dead ends: 7557 [2022-03-01 16:52:52,436 INFO L226 Difference]: Without dead ends: 7557 [2022-03-01 16:52:52,436 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1903 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=1222, Invalid=6434, Unknown=0, NotChecked=0, Total=7656 [2022-03-01 16:52:52,437 INFO L933 BasicCegarLoop]: 335 mSDtfsCounter, 2349 mSDsluCounter, 4635 mSDsCounter, 0 mSdLazyCounter, 4705 mSolverCounterSat, 350 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2349 SdHoareTripleChecker+Valid, 4962 SdHoareTripleChecker+Invalid, 5055 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 350 IncrementalHoareTripleChecker+Valid, 4705 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-03-01 16:52:52,437 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2349 Valid, 4962 Invalid, 5055 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [350 Valid, 4705 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-03-01 16:52:52,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7557 states. [2022-03-01 16:52:52,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7557 to 2961. [2022-03-01 16:52:52,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2961 states, 2949 states have (on average 1.9243811461512377) internal successors, (5675), 2960 states have internal predecessors, (5675), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:52,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2961 states to 2961 states and 5675 transitions. [2022-03-01 16:52:52,475 INFO L78 Accepts]: Start accepts. Automaton has 2961 states and 5675 transitions. Word has length 172 [2022-03-01 16:52:52,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:52:52,476 INFO L470 AbstractCegarLoop]: Abstraction has 2961 states and 5675 transitions. [2022-03-01 16:52:52,476 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:52,476 INFO L276 IsEmpty]: Start isEmpty. Operand 2961 states and 5675 transitions. [2022-03-01 16:52:52,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-01 16:52:52,477 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:52:52,477 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:52:52,477 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable91 [2022-03-01 16:52:52,477 INFO L402 AbstractCegarLoop]: === Iteration 93 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:52:52,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:52:52,477 INFO L85 PathProgramCache]: Analyzing trace with hash 1028831195, now seen corresponding path program 25 times [2022-03-01 16:52:52,477 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:52:52,478 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2017445126] [2022-03-01 16:52:52,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:52:52,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:52:52,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:52:52,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:52:52,815 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:52:52,816 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2017445126] [2022-03-01 16:52:52,816 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2017445126] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:52:52,816 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:52:52,816 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-01 16:52:52,816 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2075490477] [2022-03-01 16:52:52,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:52:52,816 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-01 16:52:52,816 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:52:52,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-01 16:52:52,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=533, Unknown=0, NotChecked=0, Total=600 [2022-03-01 16:52:52,816 INFO L87 Difference]: Start difference. First operand 2961 states and 5675 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:55,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:52:55,617 INFO L93 Difference]: Finished difference Result 7658 states and 14762 transitions. [2022-03-01 16:52:55,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2022-03-01 16:52:55,618 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 172 [2022-03-01 16:52:55,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:52:55,627 INFO L225 Difference]: With dead ends: 7658 [2022-03-01 16:52:55,627 INFO L226 Difference]: Without dead ends: 7658 [2022-03-01 16:52:55,627 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1965 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=1301, Invalid=6355, Unknown=0, NotChecked=0, Total=7656 [2022-03-01 16:52:55,627 INFO L933 BasicCegarLoop]: 347 mSDtfsCounter, 2767 mSDsluCounter, 4072 mSDsCounter, 0 mSdLazyCounter, 3861 mSolverCounterSat, 420 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2767 SdHoareTripleChecker+Valid, 4414 SdHoareTripleChecker+Invalid, 4281 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 420 IncrementalHoareTripleChecker+Valid, 3861 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-03-01 16:52:55,627 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2767 Valid, 4414 Invalid, 4281 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [420 Valid, 3861 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-03-01 16:52:55,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7658 states. [2022-03-01 16:52:55,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7658 to 2963. [2022-03-01 16:52:55,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2963 states, 2951 states have (on average 1.9244323957980345) internal successors, (5679), 2962 states have internal predecessors, (5679), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:55,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2963 states to 2963 states and 5679 transitions. [2022-03-01 16:52:55,668 INFO L78 Accepts]: Start accepts. Automaton has 2963 states and 5679 transitions. Word has length 172 [2022-03-01 16:52:55,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:52:55,669 INFO L470 AbstractCegarLoop]: Abstraction has 2963 states and 5679 transitions. [2022-03-01 16:52:55,669 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:55,669 INFO L276 IsEmpty]: Start isEmpty. Operand 2963 states and 5679 transitions. [2022-03-01 16:52:55,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-01 16:52:55,670 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:52:55,670 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:52:55,670 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable92 [2022-03-01 16:52:55,670 INFO L402 AbstractCegarLoop]: === Iteration 94 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:52:55,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:52:55,670 INFO L85 PathProgramCache]: Analyzing trace with hash -692874691, now seen corresponding path program 26 times [2022-03-01 16:52:55,670 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:52:55,670 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610996257] [2022-03-01 16:52:55,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:52:55,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:52:55,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:52:56,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:52:56,039 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:52:56,039 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [610996257] [2022-03-01 16:52:56,039 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [610996257] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:52:56,039 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:52:56,039 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-03-01 16:52:56,039 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146035111] [2022-03-01 16:52:56,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:52:56,040 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-01 16:52:56,040 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:52:56,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-01 16:52:56,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=628, Unknown=0, NotChecked=0, Total=702 [2022-03-01 16:52:56,040 INFO L87 Difference]: Start difference. First operand 2963 states and 5679 transitions. Second operand has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:59,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:52:59,281 INFO L93 Difference]: Finished difference Result 7645 states and 14740 transitions. [2022-03-01 16:52:59,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2022-03-01 16:52:59,282 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 172 [2022-03-01 16:52:59,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:52:59,290 INFO L225 Difference]: With dead ends: 7645 [2022-03-01 16:52:59,290 INFO L226 Difference]: Without dead ends: 7645 [2022-03-01 16:52:59,291 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 89 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2097 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=1280, Invalid=6910, Unknown=0, NotChecked=0, Total=8190 [2022-03-01 16:52:59,291 INFO L933 BasicCegarLoop]: 333 mSDtfsCounter, 2458 mSDsluCounter, 4824 mSDsCounter, 0 mSdLazyCounter, 4963 mSolverCounterSat, 349 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2458 SdHoareTripleChecker+Valid, 5148 SdHoareTripleChecker+Invalid, 5312 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 349 IncrementalHoareTripleChecker+Valid, 4963 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-03-01 16:52:59,291 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2458 Valid, 5148 Invalid, 5312 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [349 Valid, 4963 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-03-01 16:52:59,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7645 states. [2022-03-01 16:52:59,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7645 to 2958. [2022-03-01 16:52:59,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2958 states, 2946 states have (on average 1.924304141208418) internal successors, (5669), 2957 states have internal predecessors, (5669), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:59,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2958 states to 2958 states and 5669 transitions. [2022-03-01 16:52:59,332 INFO L78 Accepts]: Start accepts. Automaton has 2958 states and 5669 transitions. Word has length 172 [2022-03-01 16:52:59,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:52:59,332 INFO L470 AbstractCegarLoop]: Abstraction has 2958 states and 5669 transitions. [2022-03-01 16:52:59,332 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:52:59,332 INFO L276 IsEmpty]: Start isEmpty. Operand 2958 states and 5669 transitions. [2022-03-01 16:52:59,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-01 16:52:59,334 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:52:59,334 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:52:59,334 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable93 [2022-03-01 16:52:59,334 INFO L402 AbstractCegarLoop]: === Iteration 95 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:52:59,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:52:59,334 INFO L85 PathProgramCache]: Analyzing trace with hash 2043331962, now seen corresponding path program 8 times [2022-03-01 16:52:59,334 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:52:59,334 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1778858031] [2022-03-01 16:52:59,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:52:59,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:52:59,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:52:59,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:52:59,724 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:52:59,724 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1778858031] [2022-03-01 16:52:59,724 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1778858031] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:52:59,724 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:52:59,725 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-03-01 16:52:59,725 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1815888887] [2022-03-01 16:52:59,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:52:59,725 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-01 16:52:59,725 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:52:59,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-01 16:52:59,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=623, Unknown=0, NotChecked=0, Total=702 [2022-03-01 16:52:59,725 INFO L87 Difference]: Start difference. First operand 2958 states and 5669 transitions. Second operand has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:02,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:53:02,147 INFO L93 Difference]: Finished difference Result 5746 states and 11117 transitions. [2022-03-01 16:53:02,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2022-03-01 16:53:02,148 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 172 [2022-03-01 16:53:02,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:53:02,154 INFO L225 Difference]: With dead ends: 5746 [2022-03-01 16:53:02,154 INFO L226 Difference]: Without dead ends: 5746 [2022-03-01 16:53:02,155 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1774 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=971, Invalid=5835, Unknown=0, NotChecked=0, Total=6806 [2022-03-01 16:53:02,155 INFO L933 BasicCegarLoop]: 305 mSDtfsCounter, 2016 mSDsluCounter, 4915 mSDsCounter, 0 mSdLazyCounter, 4297 mSolverCounterSat, 141 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2016 SdHoareTripleChecker+Valid, 5214 SdHoareTripleChecker+Invalid, 4438 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 141 IncrementalHoareTripleChecker+Valid, 4297 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-03-01 16:53:02,155 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2016 Valid, 5214 Invalid, 4438 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [141 Valid, 4297 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-03-01 16:53:02,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5746 states. [2022-03-01 16:53:02,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5746 to 3005. [2022-03-01 16:53:02,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3005 states, 2993 states have (on average 1.9244904777814902) internal successors, (5760), 3004 states have internal predecessors, (5760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:02,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3005 states to 3005 states and 5760 transitions. [2022-03-01 16:53:02,188 INFO L78 Accepts]: Start accepts. Automaton has 3005 states and 5760 transitions. Word has length 172 [2022-03-01 16:53:02,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:53:02,188 INFO L470 AbstractCegarLoop]: Abstraction has 3005 states and 5760 transitions. [2022-03-01 16:53:02,188 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:02,188 INFO L276 IsEmpty]: Start isEmpty. Operand 3005 states and 5760 transitions. [2022-03-01 16:53:02,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-01 16:53:02,189 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:53:02,189 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:53:02,189 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable94 [2022-03-01 16:53:02,190 INFO L402 AbstractCegarLoop]: === Iteration 96 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:53:02,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:53:02,190 INFO L85 PathProgramCache]: Analyzing trace with hash 932622621, now seen corresponding path program 27 times [2022-03-01 16:53:02,190 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:53:02,190 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390482065] [2022-03-01 16:53:02,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:53:02,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:53:02,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:53:02,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:53:02,549 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:53:02,550 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1390482065] [2022-03-01 16:53:02,550 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1390482065] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:53:02,550 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:53:02,550 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-03-01 16:53:02,550 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [638333811] [2022-03-01 16:53:02,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:53:02,550 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-01 16:53:02,550 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:53:02,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-01 16:53:02,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=627, Unknown=0, NotChecked=0, Total=702 [2022-03-01 16:53:02,551 INFO L87 Difference]: Start difference. First operand 3005 states and 5760 transitions. Second operand has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:05,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:53:05,820 INFO L93 Difference]: Finished difference Result 6599 states and 12739 transitions. [2022-03-01 16:53:05,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2022-03-01 16:53:05,821 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 172 [2022-03-01 16:53:05,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:53:05,828 INFO L225 Difference]: With dead ends: 6599 [2022-03-01 16:53:05,828 INFO L226 Difference]: Without dead ends: 6599 [2022-03-01 16:53:05,828 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1660 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=1011, Invalid=5795, Unknown=0, NotChecked=0, Total=6806 [2022-03-01 16:53:05,829 INFO L933 BasicCegarLoop]: 324 mSDtfsCounter, 2400 mSDsluCounter, 5645 mSDsCounter, 0 mSdLazyCounter, 6167 mSolverCounterSat, 259 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2400 SdHoareTripleChecker+Valid, 5960 SdHoareTripleChecker+Invalid, 6426 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 259 IncrementalHoareTripleChecker+Valid, 6167 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-03-01 16:53:05,829 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2400 Valid, 5960 Invalid, 6426 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [259 Valid, 6167 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-03-01 16:53:05,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6599 states. [2022-03-01 16:53:05,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6599 to 2957. [2022-03-01 16:53:05,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2957 states, 2945 states have (on average 1.9232597623089982) internal successors, (5664), 2956 states have internal predecessors, (5664), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:05,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2957 states to 2957 states and 5664 transitions. [2022-03-01 16:53:05,864 INFO L78 Accepts]: Start accepts. Automaton has 2957 states and 5664 transitions. Word has length 172 [2022-03-01 16:53:05,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:53:05,865 INFO L470 AbstractCegarLoop]: Abstraction has 2957 states and 5664 transitions. [2022-03-01 16:53:05,865 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:05,865 INFO L276 IsEmpty]: Start isEmpty. Operand 2957 states and 5664 transitions. [2022-03-01 16:53:05,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-01 16:53:05,866 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:53:05,866 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:53:05,866 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable95 [2022-03-01 16:53:05,866 INFO L402 AbstractCegarLoop]: === Iteration 97 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:53:05,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:53:05,866 INFO L85 PathProgramCache]: Analyzing trace with hash 2118842269, now seen corresponding path program 28 times [2022-03-01 16:53:05,866 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:53:05,867 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [682995215] [2022-03-01 16:53:05,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:53:05,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:53:05,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:53:06,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:53:06,209 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:53:06,209 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [682995215] [2022-03-01 16:53:06,209 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [682995215] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:53:06,210 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:53:06,210 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-01 16:53:06,210 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450220771] [2022-03-01 16:53:06,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:53:06,210 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-01 16:53:06,210 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:53:06,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-01 16:53:06,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=532, Unknown=0, NotChecked=0, Total=600 [2022-03-01 16:53:06,210 INFO L87 Difference]: Start difference. First operand 2957 states and 5664 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:09,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:53:09,052 INFO L93 Difference]: Finished difference Result 7274 states and 14014 transitions. [2022-03-01 16:53:09,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2022-03-01 16:53:09,052 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 172 [2022-03-01 16:53:09,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:53:09,061 INFO L225 Difference]: With dead ends: 7274 [2022-03-01 16:53:09,061 INFO L226 Difference]: Without dead ends: 7274 [2022-03-01 16:53:09,062 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1580 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=1069, Invalid=5411, Unknown=0, NotChecked=0, Total=6480 [2022-03-01 16:53:09,062 INFO L933 BasicCegarLoop]: 400 mSDtfsCounter, 2471 mSDsluCounter, 4811 mSDsCounter, 0 mSdLazyCounter, 4616 mSolverCounterSat, 374 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2471 SdHoareTripleChecker+Valid, 5205 SdHoareTripleChecker+Invalid, 4990 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 374 IncrementalHoareTripleChecker+Valid, 4616 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-03-01 16:53:09,062 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2471 Valid, 5205 Invalid, 4990 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [374 Valid, 4616 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-03-01 16:53:09,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7274 states. [2022-03-01 16:53:09,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7274 to 2959. [2022-03-01 16:53:09,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2959 states, 2947 states have (on average 1.9233118425517475) internal successors, (5668), 2958 states have internal predecessors, (5668), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:09,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2959 states to 2959 states and 5668 transitions. [2022-03-01 16:53:09,102 INFO L78 Accepts]: Start accepts. Automaton has 2959 states and 5668 transitions. Word has length 172 [2022-03-01 16:53:09,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:53:09,102 INFO L470 AbstractCegarLoop]: Abstraction has 2959 states and 5668 transitions. [2022-03-01 16:53:09,102 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:09,102 INFO L276 IsEmpty]: Start isEmpty. Operand 2959 states and 5668 transitions. [2022-03-01 16:53:09,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-01 16:53:09,104 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:53:09,104 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:53:09,104 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable96 [2022-03-01 16:53:09,104 INFO L402 AbstractCegarLoop]: === Iteration 98 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:53:09,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:53:09,104 INFO L85 PathProgramCache]: Analyzing trace with hash -1240062335, now seen corresponding path program 29 times [2022-03-01 16:53:09,104 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:53:09,104 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1312693007] [2022-03-01 16:53:09,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:53:09,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:53:09,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:53:09,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:53:09,497 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:53:09,497 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1312693007] [2022-03-01 16:53:09,498 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1312693007] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:53:09,498 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:53:09,498 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-03-01 16:53:09,498 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1935368760] [2022-03-01 16:53:09,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:53:09,498 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-01 16:53:09,498 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:53:09,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-01 16:53:09,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=628, Unknown=0, NotChecked=0, Total=702 [2022-03-01 16:53:09,498 INFO L87 Difference]: Start difference. First operand 2959 states and 5668 transitions. Second operand has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:12,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:53:12,583 INFO L93 Difference]: Finished difference Result 7413 states and 14292 transitions. [2022-03-01 16:53:12,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2022-03-01 16:53:12,583 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 172 [2022-03-01 16:53:12,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:53:12,593 INFO L225 Difference]: With dead ends: 7413 [2022-03-01 16:53:12,593 INFO L226 Difference]: Without dead ends: 7413 [2022-03-01 16:53:12,594 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1949 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=1149, Invalid=6507, Unknown=0, NotChecked=0, Total=7656 [2022-03-01 16:53:12,596 INFO L933 BasicCegarLoop]: 402 mSDtfsCounter, 2559 mSDsluCounter, 4852 mSDsCounter, 0 mSdLazyCounter, 5046 mSolverCounterSat, 407 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2559 SdHoareTripleChecker+Valid, 5247 SdHoareTripleChecker+Invalid, 5453 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 407 IncrementalHoareTripleChecker+Valid, 5046 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-03-01 16:53:12,596 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2559 Valid, 5247 Invalid, 5453 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [407 Valid, 5046 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-03-01 16:53:12,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7413 states. [2022-03-01 16:53:12,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7413 to 2937. [2022-03-01 16:53:12,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2937 states, 2925 states have (on average 1.9227350427350427) internal successors, (5624), 2936 states have internal predecessors, (5624), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:12,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2937 states to 2937 states and 5624 transitions. [2022-03-01 16:53:12,644 INFO L78 Accepts]: Start accepts. Automaton has 2937 states and 5624 transitions. Word has length 172 [2022-03-01 16:53:12,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:53:12,644 INFO L470 AbstractCegarLoop]: Abstraction has 2937 states and 5624 transitions. [2022-03-01 16:53:12,645 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:12,645 INFO L276 IsEmpty]: Start isEmpty. Operand 2937 states and 5624 transitions. [2022-03-01 16:53:12,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-01 16:53:12,646 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:53:12,646 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:53:12,646 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable97 [2022-03-01 16:53:12,646 INFO L402 AbstractCegarLoop]: === Iteration 99 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:53:12,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:53:12,647 INFO L85 PathProgramCache]: Analyzing trace with hash -626719667, now seen corresponding path program 30 times [2022-03-01 16:53:12,647 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:53:12,647 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655938892] [2022-03-01 16:53:12,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:53:12,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:53:12,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:53:13,072 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:53:13,072 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:53:13,073 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [655938892] [2022-03-01 16:53:13,073 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [655938892] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:53:13,073 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:53:13,073 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-03-01 16:53:13,073 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1491198894] [2022-03-01 16:53:13,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:53:13,073 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-01 16:53:13,073 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:53:13,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-01 16:53:13,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=614, Unknown=0, NotChecked=0, Total=702 [2022-03-01 16:53:13,073 INFO L87 Difference]: Start difference. First operand 2937 states and 5624 transitions. Second operand has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:15,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:53:15,526 INFO L93 Difference]: Finished difference Result 5459 states and 10529 transitions. [2022-03-01 16:53:15,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-03-01 16:53:15,526 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 172 [2022-03-01 16:53:15,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:53:15,533 INFO L225 Difference]: With dead ends: 5459 [2022-03-01 16:53:15,533 INFO L226 Difference]: Without dead ends: 5459 [2022-03-01 16:53:15,533 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 848 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=670, Invalid=3490, Unknown=0, NotChecked=0, Total=4160 [2022-03-01 16:53:15,534 INFO L933 BasicCegarLoop]: 367 mSDtfsCounter, 1533 mSDsluCounter, 4785 mSDsCounter, 0 mSdLazyCounter, 4272 mSolverCounterSat, 258 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1533 SdHoareTripleChecker+Valid, 5142 SdHoareTripleChecker+Invalid, 4530 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 258 IncrementalHoareTripleChecker+Valid, 4272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-03-01 16:53:15,534 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1533 Valid, 5142 Invalid, 4530 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [258 Valid, 4272 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-03-01 16:53:15,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5459 states. [2022-03-01 16:53:15,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5459 to 2937. [2022-03-01 16:53:15,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2937 states, 2925 states have (on average 1.9227350427350427) internal successors, (5624), 2936 states have internal predecessors, (5624), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:15,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2937 states to 2937 states and 5624 transitions. [2022-03-01 16:53:15,568 INFO L78 Accepts]: Start accepts. Automaton has 2937 states and 5624 transitions. Word has length 172 [2022-03-01 16:53:15,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:53:15,569 INFO L470 AbstractCegarLoop]: Abstraction has 2937 states and 5624 transitions. [2022-03-01 16:53:15,569 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:15,569 INFO L276 IsEmpty]: Start isEmpty. Operand 2937 states and 5624 transitions. [2022-03-01 16:53:15,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-01 16:53:15,570 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:53:15,570 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:53:15,570 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable98 [2022-03-01 16:53:15,570 INFO L402 AbstractCegarLoop]: === Iteration 100 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:53:15,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:53:15,570 INFO L85 PathProgramCache]: Analyzing trace with hash 72555183, now seen corresponding path program 31 times [2022-03-01 16:53:15,570 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:53:15,570 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626397467] [2022-03-01 16:53:15,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:53:15,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:53:15,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:53:16,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:53:16,005 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:53:16,005 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1626397467] [2022-03-01 16:53:16,005 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1626397467] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:53:16,006 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:53:16,006 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-03-01 16:53:16,006 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [357874544] [2022-03-01 16:53:16,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:53:16,006 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-01 16:53:16,006 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:53:16,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-01 16:53:16,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=618, Unknown=0, NotChecked=0, Total=702 [2022-03-01 16:53:16,006 INFO L87 Difference]: Start difference. First operand 2937 states and 5624 transitions. Second operand has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:18,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:53:18,296 INFO L93 Difference]: Finished difference Result 5512 states and 10634 transitions. [2022-03-01 16:53:18,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-03-01 16:53:18,296 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 172 [2022-03-01 16:53:18,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:53:18,302 INFO L225 Difference]: With dead ends: 5512 [2022-03-01 16:53:18,302 INFO L226 Difference]: Without dead ends: 5512 [2022-03-01 16:53:18,302 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 886 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=692, Invalid=3598, Unknown=0, NotChecked=0, Total=4290 [2022-03-01 16:53:18,302 INFO L933 BasicCegarLoop]: 368 mSDtfsCounter, 1581 mSDsluCounter, 3997 mSDsCounter, 0 mSdLazyCounter, 3776 mSolverCounterSat, 271 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1581 SdHoareTripleChecker+Valid, 4356 SdHoareTripleChecker+Invalid, 4047 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 271 IncrementalHoareTripleChecker+Valid, 3776 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-03-01 16:53:18,302 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1581 Valid, 4356 Invalid, 4047 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [271 Valid, 3776 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-03-01 16:53:18,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5512 states. [2022-03-01 16:53:18,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5512 to 2938. [2022-03-01 16:53:18,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2938 states, 2926 states have (on average 1.9227614490772384) internal successors, (5626), 2937 states have internal predecessors, (5626), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:18,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2938 states to 2938 states and 5626 transitions. [2022-03-01 16:53:18,332 INFO L78 Accepts]: Start accepts. Automaton has 2938 states and 5626 transitions. Word has length 172 [2022-03-01 16:53:18,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:53:18,332 INFO L470 AbstractCegarLoop]: Abstraction has 2938 states and 5626 transitions. [2022-03-01 16:53:18,332 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:18,332 INFO L276 IsEmpty]: Start isEmpty. Operand 2938 states and 5626 transitions. [2022-03-01 16:53:18,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-01 16:53:18,333 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:53:18,334 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:53:18,334 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable99 [2022-03-01 16:53:18,334 INFO L402 AbstractCegarLoop]: === Iteration 101 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:53:18,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:53:18,334 INFO L85 PathProgramCache]: Analyzing trace with hash -1442536789, now seen corresponding path program 32 times [2022-03-01 16:53:18,334 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:53:18,334 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [761890408] [2022-03-01 16:53:18,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:53:18,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:53:18,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:53:18,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:53:18,741 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:53:18,741 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [761890408] [2022-03-01 16:53:18,741 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [761890408] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:53:18,741 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:53:18,741 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-03-01 16:53:18,741 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [242611027] [2022-03-01 16:53:18,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:53:18,741 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-01 16:53:18,741 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:53:18,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-01 16:53:18,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=619, Unknown=0, NotChecked=0, Total=702 [2022-03-01 16:53:18,742 INFO L87 Difference]: Start difference. First operand 2938 states and 5626 transitions. Second operand has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:21,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:53:21,515 INFO L93 Difference]: Finished difference Result 5569 states and 10743 transitions. [2022-03-01 16:53:21,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2022-03-01 16:53:21,516 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 172 [2022-03-01 16:53:21,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:53:21,522 INFO L225 Difference]: With dead ends: 5569 [2022-03-01 16:53:21,522 INFO L226 Difference]: Without dead ends: 5569 [2022-03-01 16:53:21,523 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1071 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=815, Invalid=4155, Unknown=0, NotChecked=0, Total=4970 [2022-03-01 16:53:21,523 INFO L933 BasicCegarLoop]: 373 mSDtfsCounter, 1634 mSDsluCounter, 4975 mSDsCounter, 0 mSdLazyCounter, 4693 mSolverCounterSat, 295 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1634 SdHoareTripleChecker+Valid, 5340 SdHoareTripleChecker+Invalid, 4988 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 295 IncrementalHoareTripleChecker+Valid, 4693 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-03-01 16:53:21,523 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1634 Valid, 5340 Invalid, 4988 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [295 Valid, 4693 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-03-01 16:53:21,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5569 states. [2022-03-01 16:53:21,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5569 to 2941. [2022-03-01 16:53:21,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2941 states, 2929 states have (on average 1.9228405599180607) internal successors, (5632), 2940 states have internal predecessors, (5632), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:21,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2941 states to 2941 states and 5632 transitions. [2022-03-01 16:53:21,555 INFO L78 Accepts]: Start accepts. Automaton has 2941 states and 5632 transitions. Word has length 172 [2022-03-01 16:53:21,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:53:21,556 INFO L470 AbstractCegarLoop]: Abstraction has 2941 states and 5632 transitions. [2022-03-01 16:53:21,556 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:21,556 INFO L276 IsEmpty]: Start isEmpty. Operand 2941 states and 5632 transitions. [2022-03-01 16:53:21,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-01 16:53:21,557 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:53:21,557 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:53:21,557 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable100 [2022-03-01 16:53:21,557 INFO L402 AbstractCegarLoop]: === Iteration 102 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:53:21,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:53:21,557 INFO L85 PathProgramCache]: Analyzing trace with hash -1631908007, now seen corresponding path program 33 times [2022-03-01 16:53:21,557 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:53:21,558 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1987099450] [2022-03-01 16:53:21,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:53:21,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:53:21,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:53:21,941 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:53:21,941 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:53:21,941 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1987099450] [2022-03-01 16:53:21,941 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1987099450] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:53:21,941 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:53:21,941 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-01 16:53:21,942 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [11336286] [2022-03-01 16:53:21,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:53:21,942 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-01 16:53:21,942 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:53:21,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-01 16:53:21,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=525, Unknown=0, NotChecked=0, Total=600 [2022-03-01 16:53:21,942 INFO L87 Difference]: Start difference. First operand 2941 states and 5632 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:24,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:53:24,401 INFO L93 Difference]: Finished difference Result 5587 states and 10780 transitions. [2022-03-01 16:53:24,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-03-01 16:53:24,402 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 172 [2022-03-01 16:53:24,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:53:24,407 INFO L225 Difference]: With dead ends: 5587 [2022-03-01 16:53:24,408 INFO L226 Difference]: Without dead ends: 5587 [2022-03-01 16:53:24,408 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 940 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=840, Invalid=3716, Unknown=0, NotChecked=0, Total=4556 [2022-03-01 16:53:24,408 INFO L933 BasicCegarLoop]: 398 mSDtfsCounter, 1833 mSDsluCounter, 4097 mSDsCounter, 0 mSdLazyCounter, 3875 mSolverCounterSat, 322 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1833 SdHoareTripleChecker+Valid, 4488 SdHoareTripleChecker+Invalid, 4197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 322 IncrementalHoareTripleChecker+Valid, 3875 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-03-01 16:53:24,408 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1833 Valid, 4488 Invalid, 4197 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [322 Valid, 3875 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-03-01 16:53:24,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5587 states. [2022-03-01 16:53:24,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5587 to 2937. [2022-03-01 16:53:24,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2937 states, 2925 states have (on average 1.9227350427350427) internal successors, (5624), 2936 states have internal predecessors, (5624), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:24,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2937 states to 2937 states and 5624 transitions. [2022-03-01 16:53:24,442 INFO L78 Accepts]: Start accepts. Automaton has 2937 states and 5624 transitions. Word has length 172 [2022-03-01 16:53:24,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:53:24,442 INFO L470 AbstractCegarLoop]: Abstraction has 2937 states and 5624 transitions. [2022-03-01 16:53:24,443 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:24,443 INFO L276 IsEmpty]: Start isEmpty. Operand 2937 states and 5624 transitions. [2022-03-01 16:53:24,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-01 16:53:24,444 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:53:24,444 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:53:24,444 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable101 [2022-03-01 16:53:24,444 INFO L402 AbstractCegarLoop]: === Iteration 103 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:53:24,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:53:24,444 INFO L85 PathProgramCache]: Analyzing trace with hash -578119293, now seen corresponding path program 34 times [2022-03-01 16:53:24,445 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:53:24,445 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [807913862] [2022-03-01 16:53:24,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:53:24,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:53:24,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:53:24,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:53:24,870 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:53:24,870 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [807913862] [2022-03-01 16:53:24,870 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [807913862] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:53:24,870 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:53:24,870 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-03-01 16:53:24,871 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340284117] [2022-03-01 16:53:24,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:53:24,871 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-01 16:53:24,871 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:53:24,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-01 16:53:24,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=619, Unknown=0, NotChecked=0, Total=702 [2022-03-01 16:53:24,871 INFO L87 Difference]: Start difference. First operand 2937 states and 5624 transitions. Second operand has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:27,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:53:27,189 INFO L93 Difference]: Finished difference Result 5485 states and 10580 transitions. [2022-03-01 16:53:27,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-03-01 16:53:27,190 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 172 [2022-03-01 16:53:27,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:53:27,196 INFO L225 Difference]: With dead ends: 5485 [2022-03-01 16:53:27,196 INFO L226 Difference]: Without dead ends: 5485 [2022-03-01 16:53:27,196 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 855 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=662, Invalid=3498, Unknown=0, NotChecked=0, Total=4160 [2022-03-01 16:53:27,196 INFO L933 BasicCegarLoop]: 317 mSDtfsCounter, 1327 mSDsluCounter, 4315 mSDsCounter, 0 mSdLazyCounter, 3855 mSolverCounterSat, 245 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1327 SdHoareTripleChecker+Valid, 4623 SdHoareTripleChecker+Invalid, 4100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 245 IncrementalHoareTripleChecker+Valid, 3855 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-03-01 16:53:27,196 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1327 Valid, 4623 Invalid, 4100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [245 Valid, 3855 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-03-01 16:53:27,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5485 states. [2022-03-01 16:53:27,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5485 to 2939. [2022-03-01 16:53:27,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2939 states, 2927 states have (on average 1.922787837376153) internal successors, (5628), 2938 states have internal predecessors, (5628), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:27,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2939 states to 2939 states and 5628 transitions. [2022-03-01 16:53:27,232 INFO L78 Accepts]: Start accepts. Automaton has 2939 states and 5628 transitions. Word has length 172 [2022-03-01 16:53:27,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:53:27,232 INFO L470 AbstractCegarLoop]: Abstraction has 2939 states and 5628 transitions. [2022-03-01 16:53:27,232 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:27,232 INFO L276 IsEmpty]: Start isEmpty. Operand 2939 states and 5628 transitions. [2022-03-01 16:53:27,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-01 16:53:27,233 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:53:27,233 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:53:27,233 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable102 [2022-03-01 16:53:27,233 INFO L402 AbstractCegarLoop]: === Iteration 104 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:53:27,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:53:27,234 INFO L85 PathProgramCache]: Analyzing trace with hash -2093211265, now seen corresponding path program 35 times [2022-03-01 16:53:27,234 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:53:27,234 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1605071408] [2022-03-01 16:53:27,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:53:27,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:53:27,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:53:27,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:53:27,645 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:53:27,645 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1605071408] [2022-03-01 16:53:27,645 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1605071408] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:53:27,645 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:53:27,645 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-03-01 16:53:27,646 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244906070] [2022-03-01 16:53:27,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:53:27,646 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-01 16:53:27,646 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:53:27,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-01 16:53:27,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=621, Unknown=0, NotChecked=0, Total=702 [2022-03-01 16:53:27,646 INFO L87 Difference]: Start difference. First operand 2939 states and 5628 transitions. Second operand has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:29,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:53:29,970 INFO L93 Difference]: Finished difference Result 5594 states and 10792 transitions. [2022-03-01 16:53:29,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-03-01 16:53:29,971 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 172 [2022-03-01 16:53:29,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:53:29,977 INFO L225 Difference]: With dead ends: 5594 [2022-03-01 16:53:29,978 INFO L226 Difference]: Without dead ends: 5594 [2022-03-01 16:53:29,978 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1040 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=777, Invalid=4053, Unknown=0, NotChecked=0, Total=4830 [2022-03-01 16:53:29,984 INFO L933 BasicCegarLoop]: 322 mSDtfsCounter, 1706 mSDsluCounter, 3999 mSDsCounter, 0 mSdLazyCounter, 3605 mSolverCounterSat, 318 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1706 SdHoareTripleChecker+Valid, 4312 SdHoareTripleChecker+Invalid, 3923 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 318 IncrementalHoareTripleChecker+Valid, 3605 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-03-01 16:53:29,984 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1706 Valid, 4312 Invalid, 3923 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [318 Valid, 3605 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-03-01 16:53:29,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5594 states. [2022-03-01 16:53:30,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5594 to 2942. [2022-03-01 16:53:30,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2942 states, 2930 states have (on average 1.9228668941979523) internal successors, (5634), 2941 states have internal predecessors, (5634), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:30,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2942 states to 2942 states and 5634 transitions. [2022-03-01 16:53:30,026 INFO L78 Accepts]: Start accepts. Automaton has 2942 states and 5634 transitions. Word has length 172 [2022-03-01 16:53:30,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:53:30,026 INFO L470 AbstractCegarLoop]: Abstraction has 2942 states and 5634 transitions. [2022-03-01 16:53:30,026 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:30,026 INFO L276 IsEmpty]: Start isEmpty. Operand 2942 states and 5634 transitions. [2022-03-01 16:53:30,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-01 16:53:30,029 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:53:30,029 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:53:30,029 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable103 [2022-03-01 16:53:30,029 INFO L402 AbstractCegarLoop]: === Iteration 105 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:53:30,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:53:30,030 INFO L85 PathProgramCache]: Analyzing trace with hash 2012384813, now seen corresponding path program 36 times [2022-03-01 16:53:30,030 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:53:30,030 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [405138000] [2022-03-01 16:53:30,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:53:30,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:53:30,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:53:30,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:53:30,402 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:53:30,402 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [405138000] [2022-03-01 16:53:30,402 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [405138000] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:53:30,402 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:53:30,402 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-01 16:53:30,402 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1662338509] [2022-03-01 16:53:30,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:53:30,403 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-01 16:53:30,403 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:53:30,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-01 16:53:30,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=528, Unknown=0, NotChecked=0, Total=600 [2022-03-01 16:53:30,403 INFO L87 Difference]: Start difference. First operand 2942 states and 5634 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:32,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:53:32,598 INFO L93 Difference]: Finished difference Result 5646 states and 10897 transitions. [2022-03-01 16:53:32,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-03-01 16:53:32,599 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 172 [2022-03-01 16:53:32,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:53:32,604 INFO L225 Difference]: With dead ends: 5646 [2022-03-01 16:53:32,604 INFO L226 Difference]: Without dead ends: 5646 [2022-03-01 16:53:32,605 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 986 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=857, Invalid=3835, Unknown=0, NotChecked=0, Total=4692 [2022-03-01 16:53:32,605 INFO L933 BasicCegarLoop]: 399 mSDtfsCounter, 1688 mSDsluCounter, 3490 mSDsCounter, 0 mSdLazyCounter, 3203 mSolverCounterSat, 306 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1688 SdHoareTripleChecker+Valid, 3882 SdHoareTripleChecker+Invalid, 3509 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 306 IncrementalHoareTripleChecker+Valid, 3203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:53:32,605 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1688 Valid, 3882 Invalid, 3509 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [306 Valid, 3203 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-03-01 16:53:32,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5646 states. [2022-03-01 16:53:32,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5646 to 2938. [2022-03-01 16:53:32,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2938 states, 2926 states have (on average 1.9227614490772384) internal successors, (5626), 2937 states have internal predecessors, (5626), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:32,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2938 states to 2938 states and 5626 transitions. [2022-03-01 16:53:32,635 INFO L78 Accepts]: Start accepts. Automaton has 2938 states and 5626 transitions. Word has length 172 [2022-03-01 16:53:32,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:53:32,635 INFO L470 AbstractCegarLoop]: Abstraction has 2938 states and 5626 transitions. [2022-03-01 16:53:32,635 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:32,635 INFO L276 IsEmpty]: Start isEmpty. Operand 2938 states and 5626 transitions. [2022-03-01 16:53:32,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-01 16:53:32,636 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:53:32,636 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:53:32,636 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable104 [2022-03-01 16:53:32,636 INFO L402 AbstractCegarLoop]: === Iteration 106 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:53:32,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:53:32,637 INFO L85 PathProgramCache]: Analyzing trace with hash 926996813, now seen corresponding path program 37 times [2022-03-01 16:53:32,637 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:53:32,637 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1816034286] [2022-03-01 16:53:32,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:53:32,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:53:32,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:53:33,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:53:33,022 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:53:33,022 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1816034286] [2022-03-01 16:53:33,022 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1816034286] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:53:33,023 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:53:33,023 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-01 16:53:33,023 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2000333099] [2022-03-01 16:53:33,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:53:33,023 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-01 16:53:33,023 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:53:33,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-01 16:53:33,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=528, Unknown=0, NotChecked=0, Total=600 [2022-03-01 16:53:33,023 INFO L87 Difference]: Start difference. First operand 2938 states and 5626 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:35,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:53:35,076 INFO L93 Difference]: Finished difference Result 5557 states and 10719 transitions. [2022-03-01 16:53:35,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-03-01 16:53:35,076 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 172 [2022-03-01 16:53:35,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:53:35,083 INFO L225 Difference]: With dead ends: 5557 [2022-03-01 16:53:35,083 INFO L226 Difference]: Without dead ends: 5557 [2022-03-01 16:53:35,083 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 915 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=796, Invalid=3626, Unknown=0, NotChecked=0, Total=4422 [2022-03-01 16:53:35,083 INFO L933 BasicCegarLoop]: 341 mSDtfsCounter, 1970 mSDsluCounter, 3306 mSDsCounter, 0 mSdLazyCounter, 2843 mSolverCounterSat, 387 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1970 SdHoareTripleChecker+Valid, 3641 SdHoareTripleChecker+Invalid, 3230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 387 IncrementalHoareTripleChecker+Valid, 2843 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:53:35,083 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1970 Valid, 3641 Invalid, 3230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [387 Valid, 2843 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-03-01 16:53:35,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5557 states. [2022-03-01 16:53:35,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5557 to 2944. [2022-03-01 16:53:35,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2944 states, 2932 states have (on average 1.9229195088676672) internal successors, (5638), 2943 states have internal predecessors, (5638), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:35,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2944 states to 2944 states and 5638 transitions. [2022-03-01 16:53:35,115 INFO L78 Accepts]: Start accepts. Automaton has 2944 states and 5638 transitions. Word has length 172 [2022-03-01 16:53:35,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:53:35,115 INFO L470 AbstractCegarLoop]: Abstraction has 2944 states and 5638 transitions. [2022-03-01 16:53:35,115 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:35,115 INFO L276 IsEmpty]: Start isEmpty. Operand 2944 states and 5638 transitions. [2022-03-01 16:53:35,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-01 16:53:35,117 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:53:35,117 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:53:35,117 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable105 [2022-03-01 16:53:35,117 INFO L402 AbstractCegarLoop]: === Iteration 107 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:53:35,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:53:35,117 INFO L85 PathProgramCache]: Analyzing trace with hash 737625595, now seen corresponding path program 38 times [2022-03-01 16:53:35,118 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:53:35,118 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [588296739] [2022-03-01 16:53:35,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:53:35,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:53:35,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:53:35,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:53:35,478 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:53:35,478 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [588296739] [2022-03-01 16:53:35,478 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [588296739] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:53:35,478 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:53:35,478 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-01 16:53:35,479 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1723030837] [2022-03-01 16:53:35,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:53:35,479 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-01 16:53:35,479 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:53:35,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-01 16:53:35,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=529, Unknown=0, NotChecked=0, Total=600 [2022-03-01 16:53:35,479 INFO L87 Difference]: Start difference. First operand 2944 states and 5638 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:38,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:53:38,284 INFO L93 Difference]: Finished difference Result 5708 states and 11016 transitions. [2022-03-01 16:53:38,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2022-03-01 16:53:38,284 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 172 [2022-03-01 16:53:38,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:53:38,291 INFO L225 Difference]: With dead ends: 5708 [2022-03-01 16:53:38,291 INFO L226 Difference]: Without dead ends: 5708 [2022-03-01 16:53:38,291 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1188 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=1004, Invalid=4398, Unknown=0, NotChecked=0, Total=5402 [2022-03-01 16:53:38,292 INFO L933 BasicCegarLoop]: 404 mSDtfsCounter, 1466 mSDsluCounter, 5001 mSDsCounter, 0 mSdLazyCounter, 4535 mSolverCounterSat, 296 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1466 SdHoareTripleChecker+Valid, 5398 SdHoareTripleChecker+Invalid, 4831 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 296 IncrementalHoareTripleChecker+Valid, 4535 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-03-01 16:53:38,292 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1466 Valid, 5398 Invalid, 4831 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [296 Valid, 4535 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-03-01 16:53:38,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5708 states. [2022-03-01 16:53:38,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5708 to 2941. [2022-03-01 16:53:38,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2941 states, 2929 states have (on average 1.9228405599180607) internal successors, (5632), 2940 states have internal predecessors, (5632), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:38,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2941 states to 2941 states and 5632 transitions. [2022-03-01 16:53:38,328 INFO L78 Accepts]: Start accepts. Automaton has 2941 states and 5632 transitions. Word has length 172 [2022-03-01 16:53:38,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:53:38,328 INFO L470 AbstractCegarLoop]: Abstraction has 2941 states and 5632 transitions. [2022-03-01 16:53:38,328 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:38,328 INFO L276 IsEmpty]: Start isEmpty. Operand 2941 states and 5632 transitions. [2022-03-01 16:53:38,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-01 16:53:38,339 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:53:38,339 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:53:38,339 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable106 [2022-03-01 16:53:38,339 INFO L402 AbstractCegarLoop]: === Iteration 108 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:53:38,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:53:38,339 INFO L85 PathProgramCache]: Analyzing trace with hash 1544099971, now seen corresponding path program 39 times [2022-03-01 16:53:38,340 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:53:38,340 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [90328881] [2022-03-01 16:53:38,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:53:38,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:53:38,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:53:38,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:53:38,692 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:53:38,692 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [90328881] [2022-03-01 16:53:38,692 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [90328881] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:53:38,692 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:53:38,692 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-01 16:53:38,692 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379263005] [2022-03-01 16:53:38,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:53:38,692 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-01 16:53:38,692 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:53:38,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-01 16:53:38,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=526, Unknown=0, NotChecked=0, Total=600 [2022-03-01 16:53:38,693 INFO L87 Difference]: Start difference. First operand 2941 states and 5632 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:41,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:53:41,491 INFO L93 Difference]: Finished difference Result 5675 states and 10956 transitions. [2022-03-01 16:53:41,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2022-03-01 16:53:41,492 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 172 [2022-03-01 16:53:41,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:53:41,498 INFO L225 Difference]: With dead ends: 5675 [2022-03-01 16:53:41,498 INFO L226 Difference]: Without dead ends: 5675 [2022-03-01 16:53:41,498 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1156 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=1026, Invalid=4376, Unknown=0, NotChecked=0, Total=5402 [2022-03-01 16:53:41,498 INFO L933 BasicCegarLoop]: 416 mSDtfsCounter, 1657 mSDsluCounter, 4741 mSDsCounter, 0 mSdLazyCounter, 4526 mSolverCounterSat, 332 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1657 SdHoareTripleChecker+Valid, 5149 SdHoareTripleChecker+Invalid, 4858 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 332 IncrementalHoareTripleChecker+Valid, 4526 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-03-01 16:53:41,498 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1657 Valid, 5149 Invalid, 4858 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [332 Valid, 4526 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-03-01 16:53:41,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5675 states. [2022-03-01 16:53:41,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5675 to 2937. [2022-03-01 16:53:41,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2937 states, 2925 states have (on average 1.9227350427350427) internal successors, (5624), 2936 states have internal predecessors, (5624), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:41,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2937 states to 2937 states and 5624 transitions. [2022-03-01 16:53:41,532 INFO L78 Accepts]: Start accepts. Automaton has 2937 states and 5624 transitions. Word has length 172 [2022-03-01 16:53:41,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:53:41,532 INFO L470 AbstractCegarLoop]: Abstraction has 2937 states and 5624 transitions. [2022-03-01 16:53:41,532 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:41,532 INFO L276 IsEmpty]: Start isEmpty. Operand 2937 states and 5624 transitions. [2022-03-01 16:53:41,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-01 16:53:41,533 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:53:41,533 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:53:41,533 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable107 [2022-03-01 16:53:41,534 INFO L402 AbstractCegarLoop]: === Iteration 109 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:53:41,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:53:41,534 INFO L85 PathProgramCache]: Analyzing trace with hash 2094418331, now seen corresponding path program 40 times [2022-03-01 16:53:41,534 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:53:41,534 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1048604097] [2022-03-01 16:53:41,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:53:41,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:53:41,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:53:41,917 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:53:41,917 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:53:41,917 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1048604097] [2022-03-01 16:53:41,917 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1048604097] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:53:41,917 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:53:41,917 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-01 16:53:41,917 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721265368] [2022-03-01 16:53:41,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:53:41,917 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-01 16:53:41,918 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:53:41,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-01 16:53:41,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=526, Unknown=0, NotChecked=0, Total=600 [2022-03-01 16:53:41,918 INFO L87 Difference]: Start difference. First operand 2937 states and 5624 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:43,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:53:43,730 INFO L93 Difference]: Finished difference Result 5483 states and 10576 transitions. [2022-03-01 16:53:43,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-03-01 16:53:43,730 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 172 [2022-03-01 16:53:43,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:53:43,737 INFO L225 Difference]: With dead ends: 5483 [2022-03-01 16:53:43,737 INFO L226 Difference]: Without dead ends: 5483 [2022-03-01 16:53:43,737 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 649 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=591, Invalid=2831, Unknown=0, NotChecked=0, Total=3422 [2022-03-01 16:53:43,737 INFO L933 BasicCegarLoop]: 301 mSDtfsCounter, 1470 mSDsluCounter, 3435 mSDsCounter, 0 mSdLazyCounter, 2782 mSolverCounterSat, 255 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1470 SdHoareTripleChecker+Valid, 3730 SdHoareTripleChecker+Invalid, 3037 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 255 IncrementalHoareTripleChecker+Valid, 2782 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-03-01 16:53:43,737 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1470 Valid, 3730 Invalid, 3037 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [255 Valid, 2782 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-03-01 16:53:43,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5483 states. [2022-03-01 16:53:43,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5483 to 2937. [2022-03-01 16:53:43,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2937 states, 2925 states have (on average 1.9227350427350427) internal successors, (5624), 2936 states have internal predecessors, (5624), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:43,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2937 states to 2937 states and 5624 transitions. [2022-03-01 16:53:43,773 INFO L78 Accepts]: Start accepts. Automaton has 2937 states and 5624 transitions. Word has length 172 [2022-03-01 16:53:43,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:53:43,773 INFO L470 AbstractCegarLoop]: Abstraction has 2937 states and 5624 transitions. [2022-03-01 16:53:43,774 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:43,774 INFO L276 IsEmpty]: Start isEmpty. Operand 2937 states and 5624 transitions. [2022-03-01 16:53:43,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-01 16:53:43,775 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:53:43,775 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:53:43,775 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable108 [2022-03-01 16:53:43,775 INFO L402 AbstractCegarLoop]: === Iteration 110 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:53:43,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:53:43,775 INFO L85 PathProgramCache]: Analyzing trace with hash 579326359, now seen corresponding path program 41 times [2022-03-01 16:53:43,775 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:53:43,775 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [304934728] [2022-03-01 16:53:43,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:53:43,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:53:43,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:53:44,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:53:44,199 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:53:44,199 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [304934728] [2022-03-01 16:53:44,199 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [304934728] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:53:44,199 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:53:44,199 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-03-01 16:53:44,199 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178747875] [2022-03-01 16:53:44,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:53:44,200 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-01 16:53:44,200 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:53:44,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-01 16:53:44,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=621, Unknown=0, NotChecked=0, Total=702 [2022-03-01 16:53:44,200 INFO L87 Difference]: Start difference. First operand 2937 states and 5624 transitions. Second operand has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:46,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:53:46,555 INFO L93 Difference]: Finished difference Result 5592 states and 10788 transitions. [2022-03-01 16:53:46,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-03-01 16:53:46,556 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 172 [2022-03-01 16:53:46,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:53:46,562 INFO L225 Difference]: With dead ends: 5592 [2022-03-01 16:53:46,562 INFO L226 Difference]: Without dead ends: 5592 [2022-03-01 16:53:46,563 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1004 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=742, Invalid=3950, Unknown=0, NotChecked=0, Total=4692 [2022-03-01 16:53:46,563 INFO L933 BasicCegarLoop]: 293 mSDtfsCounter, 1292 mSDsluCounter, 4628 mSDsCounter, 0 mSdLazyCounter, 3921 mSolverCounterSat, 251 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1292 SdHoareTripleChecker+Valid, 4913 SdHoareTripleChecker+Invalid, 4172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 251 IncrementalHoareTripleChecker+Valid, 3921 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-03-01 16:53:46,563 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1292 Valid, 4913 Invalid, 4172 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [251 Valid, 3921 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-03-01 16:53:46,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5592 states. [2022-03-01 16:53:46,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5592 to 2940. [2022-03-01 16:53:46,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2940 states, 2928 states have (on average 1.9228142076502732) internal successors, (5630), 2939 states have internal predecessors, (5630), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:46,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2940 states to 2940 states and 5630 transitions. [2022-03-01 16:53:46,599 INFO L78 Accepts]: Start accepts. Automaton has 2940 states and 5630 transitions. Word has length 172 [2022-03-01 16:53:46,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:53:46,600 INFO L470 AbstractCegarLoop]: Abstraction has 2940 states and 5630 transitions. [2022-03-01 16:53:46,600 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:46,600 INFO L276 IsEmpty]: Start isEmpty. Operand 2940 states and 5630 transitions. [2022-03-01 16:53:46,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-01 16:53:46,601 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:53:46,601 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:53:46,601 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable109 [2022-03-01 16:53:46,601 INFO L402 AbstractCegarLoop]: === Iteration 111 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:53:46,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:53:46,601 INFO L85 PathProgramCache]: Analyzing trace with hash 389955141, now seen corresponding path program 42 times [2022-03-01 16:53:46,601 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:53:46,601 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1738921638] [2022-03-01 16:53:46,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:53:46,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:53:46,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:53:46,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:53:46,960 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:53:46,960 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1738921638] [2022-03-01 16:53:46,960 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1738921638] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:53:46,960 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:53:46,960 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-01 16:53:46,960 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [497226664] [2022-03-01 16:53:46,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:53:46,960 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-01 16:53:46,960 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:53:46,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-01 16:53:46,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=528, Unknown=0, NotChecked=0, Total=600 [2022-03-01 16:53:46,961 INFO L87 Difference]: Start difference. First operand 2940 states and 5630 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:48,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:53:48,884 INFO L93 Difference]: Finished difference Result 5618 states and 10841 transitions. [2022-03-01 16:53:48,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-03-01 16:53:48,884 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 172 [2022-03-01 16:53:48,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:53:48,889 INFO L225 Difference]: With dead ends: 5618 [2022-03-01 16:53:48,889 INFO L226 Difference]: Without dead ends: 5618 [2022-03-01 16:53:48,890 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 966 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=813, Invalid=3743, Unknown=0, NotChecked=0, Total=4556 [2022-03-01 16:53:48,890 INFO L933 BasicCegarLoop]: 318 mSDtfsCounter, 1372 mSDsluCounter, 3242 mSDsCounter, 0 mSdLazyCounter, 2609 mSolverCounterSat, 291 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1372 SdHoareTripleChecker+Valid, 3553 SdHoareTripleChecker+Invalid, 2900 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 291 IncrementalHoareTripleChecker+Valid, 2609 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-03-01 16:53:48,890 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1372 Valid, 3553 Invalid, 2900 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [291 Valid, 2609 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-03-01 16:53:48,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5618 states. [2022-03-01 16:53:48,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5618 to 2936. [2022-03-01 16:53:48,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2936 states, 2924 states have (on average 1.9227086183310533) internal successors, (5622), 2935 states have internal predecessors, (5622), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:48,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2936 states to 2936 states and 5622 transitions. [2022-03-01 16:53:48,922 INFO L78 Accepts]: Start accepts. Automaton has 2936 states and 5622 transitions. Word has length 172 [2022-03-01 16:53:48,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:53:48,922 INFO L470 AbstractCegarLoop]: Abstraction has 2936 states and 5622 transitions. [2022-03-01 16:53:48,922 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:48,923 INFO L276 IsEmpty]: Start isEmpty. Operand 2936 states and 5622 transitions. [2022-03-01 16:53:48,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-01 16:53:48,924 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:53:48,924 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:53:48,924 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable110 [2022-03-01 16:53:48,924 INFO L402 AbstractCegarLoop]: === Iteration 112 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:53:48,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:53:48,924 INFO L85 PathProgramCache]: Analyzing trace with hash -695432859, now seen corresponding path program 43 times [2022-03-01 16:53:48,924 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:53:48,924 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1346640552] [2022-03-01 16:53:48,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:53:48,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:53:48,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:53:49,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:53:49,307 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:53:49,307 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1346640552] [2022-03-01 16:53:49,307 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1346640552] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:53:49,307 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:53:49,307 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-01 16:53:49,307 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [235480578] [2022-03-01 16:53:49,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:53:49,307 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-01 16:53:49,307 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:53:49,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-01 16:53:49,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=529, Unknown=0, NotChecked=0, Total=600 [2022-03-01 16:53:49,308 INFO L87 Difference]: Start difference. First operand 2936 states and 5622 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:51,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:53:51,088 INFO L93 Difference]: Finished difference Result 5571 states and 10746 transitions. [2022-03-01 16:53:51,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-03-01 16:53:51,088 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 172 [2022-03-01 16:53:51,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:53:51,094 INFO L225 Difference]: With dead ends: 5571 [2022-03-01 16:53:51,094 INFO L226 Difference]: Without dead ends: 5571 [2022-03-01 16:53:51,094 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 884 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=755, Invalid=3535, Unknown=0, NotChecked=0, Total=4290 [2022-03-01 16:53:51,094 INFO L933 BasicCegarLoop]: 312 mSDtfsCounter, 1800 mSDsluCounter, 2796 mSDsCounter, 0 mSdLazyCounter, 2275 mSolverCounterSat, 334 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1800 SdHoareTripleChecker+Valid, 3102 SdHoareTripleChecker+Invalid, 2609 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 334 IncrementalHoareTripleChecker+Valid, 2275 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-03-01 16:53:51,095 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1800 Valid, 3102 Invalid, 2609 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [334 Valid, 2275 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-03-01 16:53:51,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5571 states. [2022-03-01 16:53:51,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5571 to 2942. [2022-03-01 16:53:51,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2942 states, 2930 states have (on average 1.9228668941979523) internal successors, (5634), 2941 states have internal predecessors, (5634), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:51,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2942 states to 2942 states and 5634 transitions. [2022-03-01 16:53:51,129 INFO L78 Accepts]: Start accepts. Automaton has 2942 states and 5634 transitions. Word has length 172 [2022-03-01 16:53:51,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:53:51,130 INFO L470 AbstractCegarLoop]: Abstraction has 2942 states and 5634 transitions. [2022-03-01 16:53:51,130 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:51,130 INFO L276 IsEmpty]: Start isEmpty. Operand 2942 states and 5634 transitions. [2022-03-01 16:53:51,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-01 16:53:51,131 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:53:51,131 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:53:51,131 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable111 [2022-03-01 16:53:51,131 INFO L402 AbstractCegarLoop]: === Iteration 113 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:53:51,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:53:51,131 INFO L85 PathProgramCache]: Analyzing trace with hash -884804077, now seen corresponding path program 44 times [2022-03-01 16:53:51,131 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:53:51,131 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [446049498] [2022-03-01 16:53:51,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:53:51,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:53:51,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:53:51,486 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:53:51,486 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:53:51,486 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [446049498] [2022-03-01 16:53:51,487 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [446049498] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:53:51,487 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:53:51,487 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-01 16:53:51,487 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [808313501] [2022-03-01 16:53:51,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:53:51,487 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-01 16:53:51,487 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:53:51,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-01 16:53:51,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=530, Unknown=0, NotChecked=0, Total=600 [2022-03-01 16:53:51,487 INFO L87 Difference]: Start difference. First operand 2942 states and 5634 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:53,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:53:53,482 INFO L93 Difference]: Finished difference Result 5738 states and 11075 transitions. [2022-03-01 16:53:53,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-03-01 16:53:53,483 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 172 [2022-03-01 16:53:53,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:53:53,489 INFO L225 Difference]: With dead ends: 5738 [2022-03-01 16:53:53,489 INFO L226 Difference]: Without dead ends: 5738 [2022-03-01 16:53:53,489 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1173 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=949, Invalid=4307, Unknown=0, NotChecked=0, Total=5256 [2022-03-01 16:53:53,489 INFO L933 BasicCegarLoop]: 323 mSDtfsCounter, 1925 mSDsluCounter, 3019 mSDsCounter, 0 mSdLazyCounter, 2528 mSolverCounterSat, 367 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1925 SdHoareTripleChecker+Valid, 3336 SdHoareTripleChecker+Invalid, 2895 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 367 IncrementalHoareTripleChecker+Valid, 2528 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-03-01 16:53:53,490 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1925 Valid, 3336 Invalid, 2895 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [367 Valid, 2528 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-03-01 16:53:53,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5738 states. [2022-03-01 16:53:53,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5738 to 2939. [2022-03-01 16:53:53,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2939 states, 2927 states have (on average 1.922787837376153) internal successors, (5628), 2938 states have internal predecessors, (5628), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:53,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2939 states to 2939 states and 5628 transitions. [2022-03-01 16:53:53,521 INFO L78 Accepts]: Start accepts. Automaton has 2939 states and 5628 transitions. Word has length 172 [2022-03-01 16:53:53,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:53:53,521 INFO L470 AbstractCegarLoop]: Abstraction has 2939 states and 5628 transitions. [2022-03-01 16:53:53,521 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:53,521 INFO L276 IsEmpty]: Start isEmpty. Operand 2939 states and 5628 transitions. [2022-03-01 16:53:53,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-01 16:53:53,522 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:53:53,522 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:53:53,522 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable112 [2022-03-01 16:53:53,522 INFO L402 AbstractCegarLoop]: === Iteration 114 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:53:53,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:53:53,522 INFO L85 PathProgramCache]: Analyzing trace with hash -78329701, now seen corresponding path program 45 times [2022-03-01 16:53:53,522 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:53:53,523 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1962194042] [2022-03-01 16:53:53,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:53:53,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:53:53,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:53:53,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:53:53,907 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:53:53,907 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1962194042] [2022-03-01 16:53:53,907 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1962194042] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:53:53,907 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:53:53,907 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-03-01 16:53:53,907 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [790495157] [2022-03-01 16:53:53,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:53:53,907 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-01 16:53:53,907 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:53:53,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-01 16:53:53,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=620, Unknown=0, NotChecked=0, Total=702 [2022-03-01 16:53:53,908 INFO L87 Difference]: Start difference. First operand 2939 states and 5628 transitions. Second operand has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:56,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:53:56,803 INFO L93 Difference]: Finished difference Result 5729 states and 11063 transitions. [2022-03-01 16:53:56,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2022-03-01 16:53:56,804 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 172 [2022-03-01 16:53:56,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:53:56,822 INFO L225 Difference]: With dead ends: 5729 [2022-03-01 16:53:56,822 INFO L226 Difference]: Without dead ends: 5729 [2022-03-01 16:53:56,822 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1435 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=1081, Invalid=5239, Unknown=0, NotChecked=0, Total=6320 [2022-03-01 16:53:56,822 INFO L933 BasicCegarLoop]: 404 mSDtfsCounter, 1658 mSDsluCounter, 4915 mSDsCounter, 0 mSdLazyCounter, 4794 mSolverCounterSat, 336 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1658 SdHoareTripleChecker+Valid, 5310 SdHoareTripleChecker+Invalid, 5130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 336 IncrementalHoareTripleChecker+Valid, 4794 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-03-01 16:53:56,822 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1658 Valid, 5310 Invalid, 5130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [336 Valid, 4794 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-03-01 16:53:56,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5729 states. [2022-03-01 16:53:56,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5729 to 2935. [2022-03-01 16:53:56,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2935 states, 2923 states have (on average 1.9226821758467327) internal successors, (5620), 2934 states have internal predecessors, (5620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:56,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2935 states to 2935 states and 5620 transitions. [2022-03-01 16:53:56,849 INFO L78 Accepts]: Start accepts. Automaton has 2935 states and 5620 transitions. Word has length 172 [2022-03-01 16:53:56,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:53:56,849 INFO L470 AbstractCegarLoop]: Abstraction has 2935 states and 5620 transitions. [2022-03-01 16:53:56,849 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:56,849 INFO L276 IsEmpty]: Start isEmpty. Operand 2935 states and 5620 transitions. [2022-03-01 16:53:56,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-01 16:53:56,850 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:53:56,850 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:53:56,850 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable113 [2022-03-01 16:53:56,850 INFO L402 AbstractCegarLoop]: === Iteration 115 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:53:56,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:53:56,851 INFO L85 PathProgramCache]: Analyzing trace with hash 148453739, now seen corresponding path program 46 times [2022-03-01 16:53:56,851 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:53:56,851 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [953831026] [2022-03-01 16:53:56,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:53:56,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:53:56,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:53:57,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:53:57,215 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:53:57,215 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [953831026] [2022-03-01 16:53:57,215 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [953831026] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:53:57,215 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:53:57,215 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-01 16:53:57,215 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704252670] [2022-03-01 16:53:57,215 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:53:57,216 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-01 16:53:57,216 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:53:57,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-01 16:53:57,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=527, Unknown=0, NotChecked=0, Total=600 [2022-03-01 16:53:57,216 INFO L87 Difference]: Start difference. First operand 2935 states and 5620 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:59,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:53:59,092 INFO L93 Difference]: Finished difference Result 5546 states and 10697 transitions. [2022-03-01 16:53:59,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-03-01 16:53:59,092 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 172 [2022-03-01 16:53:59,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:53:59,098 INFO L225 Difference]: With dead ends: 5546 [2022-03-01 16:53:59,098 INFO L226 Difference]: Without dead ends: 5546 [2022-03-01 16:53:59,098 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 951 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=821, Invalid=3735, Unknown=0, NotChecked=0, Total=4556 [2022-03-01 16:53:59,098 INFO L933 BasicCegarLoop]: 317 mSDtfsCounter, 1432 mSDsluCounter, 3175 mSDsCounter, 0 mSdLazyCounter, 2538 mSolverCounterSat, 335 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1432 SdHoareTripleChecker+Valid, 3486 SdHoareTripleChecker+Invalid, 2873 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 335 IncrementalHoareTripleChecker+Valid, 2538 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-03-01 16:53:59,098 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1432 Valid, 3486 Invalid, 2873 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [335 Valid, 2538 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-03-01 16:53:59,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5546 states. [2022-03-01 16:53:59,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5546 to 2935. [2022-03-01 16:53:59,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2935 states, 2923 states have (on average 1.9226821758467327) internal successors, (5620), 2934 states have internal predecessors, (5620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:59,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2935 states to 2935 states and 5620 transitions. [2022-03-01 16:53:59,132 INFO L78 Accepts]: Start accepts. Automaton has 2935 states and 5620 transitions. Word has length 172 [2022-03-01 16:53:59,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:53:59,132 INFO L470 AbstractCegarLoop]: Abstraction has 2935 states and 5620 transitions. [2022-03-01 16:53:59,132 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:53:59,132 INFO L276 IsEmpty]: Start isEmpty. Operand 2935 states and 5620 transitions. [2022-03-01 16:53:59,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-01 16:53:59,133 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:53:59,133 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:53:59,134 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable114 [2022-03-01 16:53:59,134 INFO L402 AbstractCegarLoop]: === Iteration 116 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:53:59,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:53:59,134 INFO L85 PathProgramCache]: Analyzing trace with hash -40917479, now seen corresponding path program 47 times [2022-03-01 16:53:59,134 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:53:59,134 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [316218250] [2022-03-01 16:53:59,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:53:59,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:53:59,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:53:59,480 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:53:59,481 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:53:59,481 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [316218250] [2022-03-01 16:53:59,481 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [316218250] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:53:59,481 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:53:59,481 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-01 16:53:59,481 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [27971247] [2022-03-01 16:53:59,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:53:59,481 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-01 16:53:59,481 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:53:59,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-01 16:53:59,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=529, Unknown=0, NotChecked=0, Total=600 [2022-03-01 16:53:59,481 INFO L87 Difference]: Start difference. First operand 2935 states and 5620 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:54:01,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:54:01,687 INFO L93 Difference]: Finished difference Result 5670 states and 10940 transitions. [2022-03-01 16:54:01,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-03-01 16:54:01,687 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 172 [2022-03-01 16:54:01,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:54:01,693 INFO L225 Difference]: With dead ends: 5670 [2022-03-01 16:54:01,693 INFO L226 Difference]: Without dead ends: 5670 [2022-03-01 16:54:01,694 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1108 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=936, Invalid=4176, Unknown=0, NotChecked=0, Total=5112 [2022-03-01 16:54:01,694 INFO L933 BasicCegarLoop]: 329 mSDtfsCounter, 1476 mSDsluCounter, 3940 mSDsCounter, 0 mSdLazyCounter, 3231 mSolverCounterSat, 352 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1476 SdHoareTripleChecker+Valid, 4262 SdHoareTripleChecker+Invalid, 3583 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 352 IncrementalHoareTripleChecker+Valid, 3231 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:54:01,694 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1476 Valid, 4262 Invalid, 3583 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [352 Valid, 3231 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-03-01 16:54:01,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5670 states. [2022-03-01 16:54:01,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5670 to 2932. [2022-03-01 16:54:01,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2932 states, 2920 states have (on average 1.9226027397260275) internal successors, (5614), 2931 states have internal predecessors, (5614), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:54:01,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2932 states to 2932 states and 5614 transitions. [2022-03-01 16:54:01,724 INFO L78 Accepts]: Start accepts. Automaton has 2932 states and 5614 transitions. Word has length 172 [2022-03-01 16:54:01,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:54:01,725 INFO L470 AbstractCegarLoop]: Abstraction has 2932 states and 5614 transitions. [2022-03-01 16:54:01,725 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:54:01,725 INFO L276 IsEmpty]: Start isEmpty. Operand 2932 states and 5614 transitions. [2022-03-01 16:54:01,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-01 16:54:01,726 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:54:01,726 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:54:01,726 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable115 [2022-03-01 16:54:01,726 INFO L402 AbstractCegarLoop]: === Iteration 117 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:54:01,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:54:01,726 INFO L85 PathProgramCache]: Analyzing trace with hash 765556897, now seen corresponding path program 48 times [2022-03-01 16:54:01,726 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:54:01,726 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1157439032] [2022-03-01 16:54:01,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:54:01,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:54:01,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:54:02,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:54:02,090 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:54:02,090 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1157439032] [2022-03-01 16:54:02,090 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1157439032] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:54:02,090 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:54:02,090 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-01 16:54:02,091 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589326930] [2022-03-01 16:54:02,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:54:02,091 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-01 16:54:02,091 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:54:02,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-01 16:54:02,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=529, Unknown=0, NotChecked=0, Total=600 [2022-03-01 16:54:02,091 INFO L87 Difference]: Start difference. First operand 2932 states and 5614 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:54:04,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:54:04,732 INFO L93 Difference]: Finished difference Result 5772 states and 11144 transitions. [2022-03-01 16:54:04,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2022-03-01 16:54:04,733 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 172 [2022-03-01 16:54:04,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:54:04,739 INFO L225 Difference]: With dead ends: 5772 [2022-03-01 16:54:04,739 INFO L226 Difference]: Without dead ends: 5772 [2022-03-01 16:54:04,740 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1503 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=1220, Invalid=5260, Unknown=0, NotChecked=0, Total=6480 [2022-03-01 16:54:04,740 INFO L933 BasicCegarLoop]: 422 mSDtfsCounter, 1886 mSDsluCounter, 3902 mSDsCounter, 0 mSdLazyCounter, 3800 mSolverCounterSat, 407 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1886 SdHoareTripleChecker+Valid, 4318 SdHoareTripleChecker+Invalid, 4207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 407 IncrementalHoareTripleChecker+Valid, 3800 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-03-01 16:54:04,740 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1886 Valid, 4318 Invalid, 4207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [407 Valid, 3800 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-03-01 16:54:04,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5772 states. [2022-03-01 16:54:04,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5772 to 2929. [2022-03-01 16:54:04,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2929 states, 2917 states have (on average 1.922523140212547) internal successors, (5608), 2928 states have internal predecessors, (5608), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:54:04,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2929 states to 2929 states and 5608 transitions. [2022-03-01 16:54:04,788 INFO L78 Accepts]: Start accepts. Automaton has 2929 states and 5608 transitions. Word has length 172 [2022-03-01 16:54:04,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:54:04,788 INFO L470 AbstractCegarLoop]: Abstraction has 2929 states and 5608 transitions. [2022-03-01 16:54:04,788 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:54:04,788 INFO L276 IsEmpty]: Start isEmpty. Operand 2929 states and 5608 transitions. [2022-03-01 16:54:04,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-01 16:54:04,789 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:54:04,789 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:54:04,789 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable116 [2022-03-01 16:54:04,790 INFO L402 AbstractCegarLoop]: === Iteration 118 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:54:04,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:54:04,790 INFO L85 PathProgramCache]: Analyzing trace with hash 523268703, now seen corresponding path program 49 times [2022-03-01 16:54:04,790 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:54:04,790 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1756977225] [2022-03-01 16:54:04,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:54:04,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:54:04,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:54:05,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:54:05,122 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:54:05,122 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1756977225] [2022-03-01 16:54:05,122 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1756977225] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:54:05,122 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:54:05,122 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-01 16:54:05,122 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [77785206] [2022-03-01 16:54:05,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:54:05,122 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-01 16:54:05,122 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:54:05,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-01 16:54:05,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=530, Unknown=0, NotChecked=0, Total=600 [2022-03-01 16:54:05,123 INFO L87 Difference]: Start difference. First operand 2929 states and 5608 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:54:07,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:54:07,697 INFO L93 Difference]: Finished difference Result 5745 states and 11092 transitions. [2022-03-01 16:54:07,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2022-03-01 16:54:07,697 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 172 [2022-03-01 16:54:07,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:54:07,704 INFO L225 Difference]: With dead ends: 5745 [2022-03-01 16:54:07,704 INFO L226 Difference]: Without dead ends: 5745 [2022-03-01 16:54:07,704 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1545 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=1225, Invalid=5417, Unknown=0, NotChecked=0, Total=6642 [2022-03-01 16:54:07,705 INFO L933 BasicCegarLoop]: 421 mSDtfsCounter, 2103 mSDsluCounter, 3581 mSDsCounter, 0 mSdLazyCounter, 3485 mSolverCounterSat, 451 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2103 SdHoareTripleChecker+Valid, 3996 SdHoareTripleChecker+Invalid, 3936 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 451 IncrementalHoareTripleChecker+Valid, 3485 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-03-01 16:54:07,705 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2103 Valid, 3996 Invalid, 3936 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [451 Valid, 3485 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-03-01 16:54:07,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5745 states. [2022-03-01 16:54:07,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5745 to 2925. [2022-03-01 16:54:07,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2925 states, 2913 states have (on average 1.9224167524888431) internal successors, (5600), 2924 states have internal predecessors, (5600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:54:07,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2925 states to 2925 states and 5600 transitions. [2022-03-01 16:54:07,743 INFO L78 Accepts]: Start accepts. Automaton has 2925 states and 5600 transitions. Word has length 172 [2022-03-01 16:54:07,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:54:07,744 INFO L470 AbstractCegarLoop]: Abstraction has 2925 states and 5600 transitions. [2022-03-01 16:54:07,744 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:54:07,744 INFO L276 IsEmpty]: Start isEmpty. Operand 2925 states and 5600 transitions. [2022-03-01 16:54:07,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-01 16:54:07,745 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:54:07,745 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:54:07,745 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable117 [2022-03-01 16:54:07,745 INFO L402 AbstractCegarLoop]: === Iteration 119 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:54:07,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:54:07,745 INFO L85 PathProgramCache]: Analyzing trace with hash -1198437183, now seen corresponding path program 50 times [2022-03-01 16:54:07,745 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:54:07,745 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1823811017] [2022-03-01 16:54:07,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:54:07,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:54:07,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:54:08,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:54:08,117 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:54:08,117 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1823811017] [2022-03-01 16:54:08,117 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1823811017] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:54:08,117 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:54:08,117 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-03-01 16:54:08,118 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192947938] [2022-03-01 16:54:08,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:54:08,118 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-01 16:54:08,118 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:54:08,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-01 16:54:08,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=623, Unknown=0, NotChecked=0, Total=702 [2022-03-01 16:54:08,118 INFO L87 Difference]: Start difference. First operand 2925 states and 5600 transitions. Second operand has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:54:11,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:54:11,364 INFO L93 Difference]: Finished difference Result 5715 states and 11036 transitions. [2022-03-01 16:54:11,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2022-03-01 16:54:11,364 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 172 [2022-03-01 16:54:11,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:54:11,369 INFO L225 Difference]: With dead ends: 5715 [2022-03-01 16:54:11,369 INFO L226 Difference]: Without dead ends: 5715 [2022-03-01 16:54:11,370 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1676 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=1212, Invalid=5928, Unknown=0, NotChecked=0, Total=7140 [2022-03-01 16:54:11,370 INFO L933 BasicCegarLoop]: 421 mSDtfsCounter, 1655 mSDsluCounter, 5419 mSDsCounter, 0 mSdLazyCounter, 5538 mSolverCounterSat, 373 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1655 SdHoareTripleChecker+Valid, 5830 SdHoareTripleChecker+Invalid, 5911 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 373 IncrementalHoareTripleChecker+Valid, 5538 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-03-01 16:54:11,370 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1655 Valid, 5830 Invalid, 5911 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [373 Valid, 5538 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-03-01 16:54:11,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5715 states. [2022-03-01 16:54:11,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5715 to 2895. [2022-03-01 16:54:11,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2895 states, 2883 states have (on average 1.9216094346167187) internal successors, (5540), 2894 states have internal predecessors, (5540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:54:11,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2895 states to 2895 states and 5540 transitions. [2022-03-01 16:54:11,401 INFO L78 Accepts]: Start accepts. Automaton has 2895 states and 5540 transitions. Word has length 172 [2022-03-01 16:54:11,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:54:11,401 INFO L470 AbstractCegarLoop]: Abstraction has 2895 states and 5540 transitions. [2022-03-01 16:54:11,402 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:54:11,402 INFO L276 IsEmpty]: Start isEmpty. Operand 2895 states and 5540 transitions. [2022-03-01 16:54:11,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-01 16:54:11,403 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:54:11,403 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:54:11,403 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable118 [2022-03-01 16:54:11,403 INFO L402 AbstractCegarLoop]: === Iteration 120 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:54:11,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:54:11,403 INFO L85 PathProgramCache]: Analyzing trace with hash -20243196, now seen corresponding path program 9 times [2022-03-01 16:54:11,403 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:54:11,403 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [746482180] [2022-03-01 16:54:11,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:54:11,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:54:11,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:54:11,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:54:11,908 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:54:11,908 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [746482180] [2022-03-01 16:54:11,908 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [746482180] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:54:11,908 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:54:11,908 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-01 16:54:11,908 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [169656956] [2022-03-01 16:54:11,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:54:11,908 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-01 16:54:11,908 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:54:11,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-01 16:54:11,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=528, Unknown=0, NotChecked=0, Total=600 [2022-03-01 16:54:11,909 INFO L87 Difference]: Start difference. First operand 2895 states and 5540 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:54:13,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:54:13,847 INFO L93 Difference]: Finished difference Result 4047 states and 7828 transitions. [2022-03-01 16:54:13,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-03-01 16:54:13,848 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 172 [2022-03-01 16:54:13,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:54:13,852 INFO L225 Difference]: With dead ends: 4047 [2022-03-01 16:54:13,852 INFO L226 Difference]: Without dead ends: 4047 [2022-03-01 16:54:13,852 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 962 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=698, Invalid=3462, Unknown=0, NotChecked=0, Total=4160 [2022-03-01 16:54:13,853 INFO L933 BasicCegarLoop]: 257 mSDtfsCounter, 1485 mSDsluCounter, 3651 mSDsCounter, 0 mSdLazyCounter, 2624 mSolverCounterSat, 152 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1485 SdHoareTripleChecker+Valid, 3905 SdHoareTripleChecker+Invalid, 2776 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 152 IncrementalHoareTripleChecker+Valid, 2624 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-03-01 16:54:13,853 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1485 Valid, 3905 Invalid, 2776 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [152 Valid, 2624 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-03-01 16:54:13,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4047 states. [2022-03-01 16:54:13,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4047 to 2981. [2022-03-01 16:54:13,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2981 states, 2969 states have (on average 1.9238800943078478) internal successors, (5712), 2980 states have internal predecessors, (5712), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:54:13,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2981 states to 2981 states and 5712 transitions. [2022-03-01 16:54:13,880 INFO L78 Accepts]: Start accepts. Automaton has 2981 states and 5712 transitions. Word has length 172 [2022-03-01 16:54:13,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:54:13,880 INFO L470 AbstractCegarLoop]: Abstraction has 2981 states and 5712 transitions. [2022-03-01 16:54:13,880 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:54:13,880 INFO L276 IsEmpty]: Start isEmpty. Operand 2981 states and 5712 transitions. [2022-03-01 16:54:13,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-01 16:54:13,881 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:54:13,881 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:54:13,881 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable119 [2022-03-01 16:54:13,881 INFO L402 AbstractCegarLoop]: === Iteration 121 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:54:13,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:54:13,881 INFO L85 PathProgramCache]: Analyzing trace with hash 2021805342, now seen corresponding path program 10 times [2022-03-01 16:54:13,882 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:54:13,882 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1748396067] [2022-03-01 16:54:13,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:54:13,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:54:13,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:54:14,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:54:14,308 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:54:14,308 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1748396067] [2022-03-01 16:54:14,308 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1748396067] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:54:14,308 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:54:14,308 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-01 16:54:14,309 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [365517488] [2022-03-01 16:54:14,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:54:14,309 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-01 16:54:14,309 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:54:14,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-01 16:54:14,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=533, Unknown=0, NotChecked=0, Total=600 [2022-03-01 16:54:14,309 INFO L87 Difference]: Start difference. First operand 2981 states and 5712 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:54:16,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:54:16,251 INFO L93 Difference]: Finished difference Result 4091 states and 7914 transitions. [2022-03-01 16:54:16,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2022-03-01 16:54:16,252 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 172 [2022-03-01 16:54:16,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:54:16,256 INFO L225 Difference]: With dead ends: 4091 [2022-03-01 16:54:16,256 INFO L226 Difference]: Without dead ends: 4091 [2022-03-01 16:54:16,257 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1095 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=742, Invalid=3814, Unknown=0, NotChecked=0, Total=4556 [2022-03-01 16:54:16,257 INFO L933 BasicCegarLoop]: 265 mSDtfsCounter, 1668 mSDsluCounter, 3447 mSDsCounter, 0 mSdLazyCounter, 2831 mSolverCounterSat, 189 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1668 SdHoareTripleChecker+Valid, 3709 SdHoareTripleChecker+Invalid, 3020 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 189 IncrementalHoareTripleChecker+Valid, 2831 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-03-01 16:54:16,257 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1668 Valid, 3709 Invalid, 3020 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [189 Valid, 2831 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-03-01 16:54:16,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4091 states. [2022-03-01 16:54:16,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4091 to 2992. [2022-03-01 16:54:16,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2992 states, 2980 states have (on average 1.9241610738255033) internal successors, (5734), 2991 states have internal predecessors, (5734), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:54:16,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2992 states to 2992 states and 5734 transitions. [2022-03-01 16:54:16,286 INFO L78 Accepts]: Start accepts. Automaton has 2992 states and 5734 transitions. Word has length 172 [2022-03-01 16:54:16,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:54:16,286 INFO L470 AbstractCegarLoop]: Abstraction has 2992 states and 5734 transitions. [2022-03-01 16:54:16,286 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:54:16,286 INFO L276 IsEmpty]: Start isEmpty. Operand 2992 states and 5734 transitions. [2022-03-01 16:54:16,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-01 16:54:16,288 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:54:16,288 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:54:16,288 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable120 [2022-03-01 16:54:16,288 INFO L402 AbstractCegarLoop]: === Iteration 122 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:54:16,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:54:16,288 INFO L85 PathProgramCache]: Analyzing trace with hash 1172850308, now seen corresponding path program 11 times [2022-03-01 16:54:16,288 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:54:16,288 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [964085942] [2022-03-01 16:54:16,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:54:16,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:54:16,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:54:16,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:54:16,717 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:54:16,718 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [964085942] [2022-03-01 16:54:16,718 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [964085942] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:54:16,718 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:54:16,718 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-01 16:54:16,718 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1227633893] [2022-03-01 16:54:16,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:54:16,718 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-01 16:54:16,718 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:54:16,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-01 16:54:16,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=534, Unknown=0, NotChecked=0, Total=600 [2022-03-01 16:54:16,718 INFO L87 Difference]: Start difference. First operand 2992 states and 5734 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:54:18,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:54:18,702 INFO L93 Difference]: Finished difference Result 4132 states and 7994 transitions. [2022-03-01 16:54:18,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-03-01 16:54:18,702 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 172 [2022-03-01 16:54:18,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:54:18,707 INFO L225 Difference]: With dead ends: 4132 [2022-03-01 16:54:18,707 INFO L226 Difference]: Without dead ends: 4132 [2022-03-01 16:54:18,707 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1152 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=733, Invalid=3959, Unknown=0, NotChecked=0, Total=4692 [2022-03-01 16:54:18,708 INFO L933 BasicCegarLoop]: 274 mSDtfsCounter, 1503 mSDsluCounter, 3882 mSDsCounter, 0 mSdLazyCounter, 3031 mSolverCounterSat, 190 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1503 SdHoareTripleChecker+Valid, 4153 SdHoareTripleChecker+Invalid, 3221 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 190 IncrementalHoareTripleChecker+Valid, 3031 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-03-01 16:54:18,708 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1503 Valid, 4153 Invalid, 3221 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [190 Valid, 3031 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-03-01 16:54:18,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4132 states. [2022-03-01 16:54:18,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4132 to 3003. [2022-03-01 16:54:18,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3003 states, 2991 states have (on average 1.9244399866265463) internal successors, (5756), 3002 states have internal predecessors, (5756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:54:18,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3003 states to 3003 states and 5756 transitions. [2022-03-01 16:54:18,745 INFO L78 Accepts]: Start accepts. Automaton has 3003 states and 5756 transitions. Word has length 172 [2022-03-01 16:54:18,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:54:18,745 INFO L470 AbstractCegarLoop]: Abstraction has 3003 states and 5756 transitions. [2022-03-01 16:54:18,745 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:54:18,745 INFO L276 IsEmpty]: Start isEmpty. Operand 3003 states and 5756 transitions. [2022-03-01 16:54:18,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-01 16:54:18,746 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:54:18,747 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:54:18,747 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable121 [2022-03-01 16:54:18,747 INFO L402 AbstractCegarLoop]: === Iteration 123 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:54:18,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:54:18,747 INFO L85 PathProgramCache]: Analyzing trace with hash 303015872, now seen corresponding path program 12 times [2022-03-01 16:54:18,747 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:54:18,747 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794942266] [2022-03-01 16:54:18,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:54:18,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:54:18,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:54:19,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:54:19,108 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:54:19,108 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794942266] [2022-03-01 16:54:19,108 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [794942266] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:54:19,108 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:54:19,108 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-01 16:54:19,108 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [643074789] [2022-03-01 16:54:19,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:54:19,109 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-01 16:54:19,109 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:54:19,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-01 16:54:19,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=533, Unknown=0, NotChecked=0, Total=600 [2022-03-01 16:54:19,109 INFO L87 Difference]: Start difference. First operand 3003 states and 5756 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:54:20,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:54:20,953 INFO L93 Difference]: Finished difference Result 4176 states and 8080 transitions. [2022-03-01 16:54:20,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-03-01 16:54:20,954 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 172 [2022-03-01 16:54:20,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:54:20,958 INFO L225 Difference]: With dead ends: 4176 [2022-03-01 16:54:20,959 INFO L226 Difference]: Without dead ends: 4176 [2022-03-01 16:54:20,959 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1206 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=736, Invalid=4094, Unknown=0, NotChecked=0, Total=4830 [2022-03-01 16:54:20,959 INFO L933 BasicCegarLoop]: 282 mSDtfsCounter, 1836 mSDsluCounter, 3136 mSDsCounter, 0 mSdLazyCounter, 2541 mSolverCounterSat, 263 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1836 SdHoareTripleChecker+Valid, 3415 SdHoareTripleChecker+Invalid, 2804 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 263 IncrementalHoareTripleChecker+Valid, 2541 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-03-01 16:54:20,959 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1836 Valid, 3415 Invalid, 2804 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [263 Valid, 2541 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-03-01 16:54:20,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4176 states. [2022-03-01 16:54:20,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4176 to 3014. [2022-03-01 16:54:20,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3014 states, 3002 states have (on average 1.9247168554297136) internal successors, (5778), 3013 states have internal predecessors, (5778), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:54:20,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3014 states to 3014 states and 5778 transitions. [2022-03-01 16:54:20,990 INFO L78 Accepts]: Start accepts. Automaton has 3014 states and 5778 transitions. Word has length 172 [2022-03-01 16:54:20,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:54:20,990 INFO L470 AbstractCegarLoop]: Abstraction has 3014 states and 5778 transitions. [2022-03-01 16:54:20,990 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:54:20,990 INFO L276 IsEmpty]: Start isEmpty. Operand 3014 states and 5778 transitions. [2022-03-01 16:54:20,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-01 16:54:20,992 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:54:20,992 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:54:20,992 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable122 [2022-03-01 16:54:20,992 INFO L402 AbstractCegarLoop]: === Iteration 124 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:54:20,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:54:20,992 INFO L85 PathProgramCache]: Analyzing trace with hash 2009857122, now seen corresponding path program 13 times [2022-03-01 16:54:20,992 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:54:20,992 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812275580] [2022-03-01 16:54:20,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:54:20,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:54:21,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:54:21,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:54:21,364 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:54:21,364 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1812275580] [2022-03-01 16:54:21,364 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1812275580] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:54:21,364 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:54:21,364 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-01 16:54:21,364 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076780541] [2022-03-01 16:54:21,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:54:21,364 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-01 16:54:21,364 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:54:21,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-01 16:54:21,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=529, Unknown=0, NotChecked=0, Total=600 [2022-03-01 16:54:21,365 INFO L87 Difference]: Start difference. First operand 3014 states and 5778 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:54:23,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:54:23,169 INFO L93 Difference]: Finished difference Result 4742 states and 9130 transitions. [2022-03-01 16:54:23,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-03-01 16:54:23,169 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 172 [2022-03-01 16:54:23,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:54:23,174 INFO L225 Difference]: With dead ends: 4742 [2022-03-01 16:54:23,174 INFO L226 Difference]: Without dead ends: 4742 [2022-03-01 16:54:23,174 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 982 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=608, Invalid=3814, Unknown=0, NotChecked=0, Total=4422 [2022-03-01 16:54:23,174 INFO L933 BasicCegarLoop]: 329 mSDtfsCounter, 1794 mSDsluCounter, 4026 mSDsCounter, 0 mSdLazyCounter, 3187 mSolverCounterSat, 108 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1794 SdHoareTripleChecker+Valid, 4352 SdHoareTripleChecker+Invalid, 3295 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 108 IncrementalHoareTripleChecker+Valid, 3187 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-03-01 16:54:23,174 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1794 Valid, 4352 Invalid, 3295 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [108 Valid, 3187 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-03-01 16:54:23,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4742 states. [2022-03-01 16:54:23,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4742 to 3045. [2022-03-01 16:54:23,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3045 states, 3033 states have (on average 1.925486317177712) internal successors, (5840), 3044 states have internal predecessors, (5840), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:54:23,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3045 states to 3045 states and 5840 transitions. [2022-03-01 16:54:23,203 INFO L78 Accepts]: Start accepts. Automaton has 3045 states and 5840 transitions. Word has length 172 [2022-03-01 16:54:23,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:54:23,203 INFO L470 AbstractCegarLoop]: Abstraction has 3045 states and 5840 transitions. [2022-03-01 16:54:23,203 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:54:23,203 INFO L276 IsEmpty]: Start isEmpty. Operand 3045 states and 5840 transitions. [2022-03-01 16:54:23,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-01 16:54:23,204 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:54:23,204 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:54:23,204 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable123 [2022-03-01 16:54:23,205 INFO L402 AbstractCegarLoop]: === Iteration 125 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:54:23,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:54:23,205 INFO L85 PathProgramCache]: Analyzing trace with hash -1912266457, now seen corresponding path program 51 times [2022-03-01 16:54:23,205 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:54:23,205 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1337270829] [2022-03-01 16:54:23,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:54:23,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:54:23,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:54:23,522 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:54:23,522 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:54:23,522 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1337270829] [2022-03-01 16:54:23,522 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1337270829] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:54:23,522 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:54:23,522 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-01 16:54:23,522 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79244236] [2022-03-01 16:54:23,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:54:23,523 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-01 16:54:23,523 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:54:23,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-01 16:54:23,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=533, Unknown=0, NotChecked=0, Total=600 [2022-03-01 16:54:23,523 INFO L87 Difference]: Start difference. First operand 3045 states and 5840 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:54:25,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:54:25,920 INFO L93 Difference]: Finished difference Result 5110 states and 9791 transitions. [2022-03-01 16:54:25,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-03-01 16:54:25,921 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 172 [2022-03-01 16:54:25,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:54:25,926 INFO L225 Difference]: With dead ends: 5110 [2022-03-01 16:54:25,926 INFO L226 Difference]: Without dead ends: 5110 [2022-03-01 16:54:25,927 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1016 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=638, Invalid=3918, Unknown=0, NotChecked=0, Total=4556 [2022-03-01 16:54:25,927 INFO L933 BasicCegarLoop]: 375 mSDtfsCounter, 1911 mSDsluCounter, 5343 mSDsCounter, 0 mSdLazyCounter, 4891 mSolverCounterSat, 179 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1911 SdHoareTripleChecker+Valid, 5714 SdHoareTripleChecker+Invalid, 5070 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 179 IncrementalHoareTripleChecker+Valid, 4891 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-03-01 16:54:25,927 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1911 Valid, 5714 Invalid, 5070 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [179 Valid, 4891 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-03-01 16:54:25,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5110 states. [2022-03-01 16:54:25,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5110 to 2925. [2022-03-01 16:54:25,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2925 states, 2913 states have (on average 1.9224167524888431) internal successors, (5600), 2924 states have internal predecessors, (5600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:54:25,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2925 states to 2925 states and 5600 transitions. [2022-03-01 16:54:25,957 INFO L78 Accepts]: Start accepts. Automaton has 2925 states and 5600 transitions. Word has length 172 [2022-03-01 16:54:25,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:54:25,957 INFO L470 AbstractCegarLoop]: Abstraction has 2925 states and 5600 transitions. [2022-03-01 16:54:25,958 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:54:25,958 INFO L276 IsEmpty]: Start isEmpty. Operand 2925 states and 5600 transitions. [2022-03-01 16:54:25,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-01 16:54:25,959 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:54:25,959 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:54:25,959 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable124 [2022-03-01 16:54:25,959 INFO L402 AbstractCegarLoop]: === Iteration 126 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:54:25,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:54:25,959 INFO L85 PathProgramCache]: Analyzing trace with hash 1222433984, now seen corresponding path program 14 times [2022-03-01 16:54:25,959 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:54:25,959 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1975566714] [2022-03-01 16:54:25,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:54:25,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:54:25,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:54:26,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:54:26,295 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:54:26,295 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1975566714] [2022-03-01 16:54:26,295 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1975566714] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:54:26,295 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:54:26,296 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-01 16:54:26,296 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [249295820] [2022-03-01 16:54:26,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:54:26,296 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-01 16:54:26,296 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:54:26,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-01 16:54:26,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=529, Unknown=0, NotChecked=0, Total=600 [2022-03-01 16:54:26,296 INFO L87 Difference]: Start difference. First operand 2925 states and 5600 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:54:28,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:54:28,227 INFO L93 Difference]: Finished difference Result 5686 states and 10939 transitions. [2022-03-01 16:54:28,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2022-03-01 16:54:28,228 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 172 [2022-03-01 16:54:28,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:54:28,234 INFO L225 Difference]: With dead ends: 5686 [2022-03-01 16:54:28,234 INFO L226 Difference]: Without dead ends: 5686 [2022-03-01 16:54:28,235 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1491 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=738, Invalid=5114, Unknown=0, NotChecked=0, Total=5852 [2022-03-01 16:54:28,235 INFO L933 BasicCegarLoop]: 402 mSDtfsCounter, 1682 mSDsluCounter, 5191 mSDsCounter, 0 mSdLazyCounter, 3238 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1682 SdHoareTripleChecker+Valid, 5590 SdHoareTripleChecker+Invalid, 3339 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 3238 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-03-01 16:54:28,235 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1682 Valid, 5590 Invalid, 3339 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 3238 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-03-01 16:54:28,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5686 states. [2022-03-01 16:54:28,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5686 to 3011. [2022-03-01 16:54:28,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3011 states, 2999 states have (on average 1.924641547182394) internal successors, (5772), 3010 states have internal predecessors, (5772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:54:28,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3011 states to 3011 states and 5772 transitions. [2022-03-01 16:54:28,272 INFO L78 Accepts]: Start accepts. Automaton has 3011 states and 5772 transitions. Word has length 172 [2022-03-01 16:54:28,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:54:28,272 INFO L470 AbstractCegarLoop]: Abstraction has 3011 states and 5772 transitions. [2022-03-01 16:54:28,272 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:54:28,272 INFO L276 IsEmpty]: Start isEmpty. Operand 3011 states and 5772 transitions. [2022-03-01 16:54:28,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-01 16:54:28,273 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:54:28,273 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:54:28,273 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable125 [2022-03-01 16:54:28,273 INFO L402 AbstractCegarLoop]: === Iteration 127 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:54:28,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:54:28,274 INFO L85 PathProgramCache]: Analyzing trace with hash 1595277701, now seen corresponding path program 52 times [2022-03-01 16:54:28,274 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:54:28,274 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1260354275] [2022-03-01 16:54:28,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:54:28,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:54:28,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:54:28,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:54:28,648 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:54:28,648 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1260354275] [2022-03-01 16:54:28,648 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1260354275] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:54:28,648 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:54:28,648 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-03-01 16:54:28,648 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [210779223] [2022-03-01 16:54:28,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:54:28,648 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-01 16:54:28,648 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:54:28,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-01 16:54:28,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=627, Unknown=0, NotChecked=0, Total=702 [2022-03-01 16:54:28,649 INFO L87 Difference]: Start difference. First operand 3011 states and 5772 transitions. Second operand has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:54:31,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:54:31,390 INFO L93 Difference]: Finished difference Result 6769 states and 12968 transitions. [2022-03-01 16:54:31,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2022-03-01 16:54:31,391 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 172 [2022-03-01 16:54:31,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:54:31,398 INFO L225 Difference]: With dead ends: 6769 [2022-03-01 16:54:31,398 INFO L226 Difference]: Without dead ends: 6769 [2022-03-01 16:54:31,398 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1578 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=768, Invalid=5394, Unknown=0, NotChecked=0, Total=6162 [2022-03-01 16:54:31,398 INFO L933 BasicCegarLoop]: 435 mSDtfsCounter, 2075 mSDsluCounter, 6258 mSDsCounter, 0 mSdLazyCounter, 5257 mSolverCounterSat, 242 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2075 SdHoareTripleChecker+Valid, 6686 SdHoareTripleChecker+Invalid, 5499 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 242 IncrementalHoareTripleChecker+Valid, 5257 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-03-01 16:54:31,398 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2075 Valid, 6686 Invalid, 5499 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [242 Valid, 5257 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-03-01 16:54:31,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6769 states. [2022-03-01 16:54:31,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6769 to 2963. [2022-03-01 16:54:31,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2963 states, 2951 states have (on average 1.923415791257201) internal successors, (5676), 2962 states have internal predecessors, (5676), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:54:31,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2963 states to 2963 states and 5676 transitions. [2022-03-01 16:54:31,432 INFO L78 Accepts]: Start accepts. Automaton has 2963 states and 5676 transitions. Word has length 172 [2022-03-01 16:54:31,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:54:31,432 INFO L470 AbstractCegarLoop]: Abstraction has 2963 states and 5676 transitions. [2022-03-01 16:54:31,432 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:54:31,432 INFO L276 IsEmpty]: Start isEmpty. Operand 2963 states and 5676 transitions. [2022-03-01 16:54:31,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-01 16:54:31,433 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:54:31,433 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:54:31,433 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable126 [2022-03-01 16:54:31,434 INFO L402 AbstractCegarLoop]: === Iteration 128 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:54:31,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:54:31,434 INFO L85 PathProgramCache]: Analyzing trace with hash 1169571879, now seen corresponding path program 53 times [2022-03-01 16:54:31,434 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:54:31,434 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100536963] [2022-03-01 16:54:31,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:54:31,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:54:31,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:54:31,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:54:31,797 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:54:31,798 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [100536963] [2022-03-01 16:54:31,798 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [100536963] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:54:31,798 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:54:31,798 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-03-01 16:54:31,798 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [595050977] [2022-03-01 16:54:31,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:54:31,799 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-01 16:54:31,799 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:54:31,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-01 16:54:31,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=626, Unknown=0, NotChecked=0, Total=702 [2022-03-01 16:54:31,799 INFO L87 Difference]: Start difference. First operand 2963 states and 5676 transitions. Second operand has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:54:34,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:54:34,640 INFO L93 Difference]: Finished difference Result 6125 states and 11744 transitions. [2022-03-01 16:54:34,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-03-01 16:54:34,641 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 172 [2022-03-01 16:54:34,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:54:34,647 INFO L225 Difference]: With dead ends: 6125 [2022-03-01 16:54:34,647 INFO L226 Difference]: Without dead ends: 6125 [2022-03-01 16:54:34,648 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1486 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=773, Invalid=5233, Unknown=0, NotChecked=0, Total=6006 [2022-03-01 16:54:34,648 INFO L933 BasicCegarLoop]: 447 mSDtfsCounter, 1995 mSDsluCounter, 6215 mSDsCounter, 0 mSdLazyCounter, 5596 mSolverCounterSat, 230 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1995 SdHoareTripleChecker+Valid, 6656 SdHoareTripleChecker+Invalid, 5826 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 230 IncrementalHoareTripleChecker+Valid, 5596 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-03-01 16:54:34,648 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1995 Valid, 6656 Invalid, 5826 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [230 Valid, 5596 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-03-01 16:54:34,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6125 states. [2022-03-01 16:54:34,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6125 to 2959. [2022-03-01 16:54:34,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2959 states, 2947 states have (on average 1.9233118425517475) internal successors, (5668), 2958 states have internal predecessors, (5668), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:54:34,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2959 states to 2959 states and 5668 transitions. [2022-03-01 16:54:34,682 INFO L78 Accepts]: Start accepts. Automaton has 2959 states and 5668 transitions. Word has length 172 [2022-03-01 16:54:34,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:54:34,682 INFO L470 AbstractCegarLoop]: Abstraction has 2959 states and 5668 transitions. [2022-03-01 16:54:34,682 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:54:34,682 INFO L276 IsEmpty]: Start isEmpty. Operand 2959 states and 5668 transitions. [2022-03-01 16:54:34,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-01 16:54:34,683 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:54:34,683 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:54:34,683 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable127 [2022-03-01 16:54:34,683 INFO L402 AbstractCegarLoop]: === Iteration 129 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:54:34,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:54:34,684 INFO L85 PathProgramCache]: Analyzing trace with hash 2105634571, now seen corresponding path program 54 times [2022-03-01 16:54:34,684 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:54:34,684 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1807614979] [2022-03-01 16:54:34,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:54:34,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:54:34,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:54:35,019 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:54:35,020 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:54:35,020 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1807614979] [2022-03-01 16:54:35,020 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1807614979] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:54:35,020 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:54:35,020 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-01 16:54:35,020 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [892308588] [2022-03-01 16:54:35,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:54:35,020 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-01 16:54:35,020 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:54:35,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-01 16:54:35,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=534, Unknown=0, NotChecked=0, Total=600 [2022-03-01 16:54:35,021 INFO L87 Difference]: Start difference. First operand 2959 states and 5668 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:54:37,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:54:37,607 INFO L93 Difference]: Finished difference Result 6089 states and 11672 transitions. [2022-03-01 16:54:37,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-03-01 16:54:37,608 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 172 [2022-03-01 16:54:37,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:54:37,613 INFO L225 Difference]: With dead ends: 6089 [2022-03-01 16:54:37,613 INFO L226 Difference]: Without dead ends: 6089 [2022-03-01 16:54:37,614 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1328 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=760, Invalid=4790, Unknown=0, NotChecked=0, Total=5550 [2022-03-01 16:54:37,614 INFO L933 BasicCegarLoop]: 478 mSDtfsCounter, 1795 mSDsluCounter, 5350 mSDsCounter, 0 mSdLazyCounter, 4766 mSolverCounterSat, 227 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1795 SdHoareTripleChecker+Valid, 5824 SdHoareTripleChecker+Invalid, 4993 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 227 IncrementalHoareTripleChecker+Valid, 4766 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-03-01 16:54:37,614 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1795 Valid, 5824 Invalid, 4993 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [227 Valid, 4766 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-03-01 16:54:37,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6089 states. [2022-03-01 16:54:37,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6089 to 2913. [2022-03-01 16:54:37,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2913 states, 2901 states have (on average 1.9220958290244743) internal successors, (5576), 2912 states have internal predecessors, (5576), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:54:37,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2913 states to 2913 states and 5576 transitions. [2022-03-01 16:54:37,643 INFO L78 Accepts]: Start accepts. Automaton has 2913 states and 5576 transitions. Word has length 172 [2022-03-01 16:54:37,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:54:37,643 INFO L470 AbstractCegarLoop]: Abstraction has 2913 states and 5576 transitions. [2022-03-01 16:54:37,644 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:54:37,644 INFO L276 IsEmpty]: Start isEmpty. Operand 2913 states and 5576 transitions. [2022-03-01 16:54:37,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-01 16:54:37,645 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:54:37,645 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:54:37,645 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable128 [2022-03-01 16:54:37,645 INFO L402 AbstractCegarLoop]: === Iteration 130 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:54:37,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:54:37,645 INFO L85 PathProgramCache]: Analyzing trace with hash 856940894, now seen corresponding path program 15 times [2022-03-01 16:54:37,645 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:54:37,645 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421349969] [2022-03-01 16:54:37,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:54:37,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:54:37,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:54:37,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:54:37,982 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:54:37,982 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [421349969] [2022-03-01 16:54:37,982 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [421349969] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:54:37,982 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:54:37,982 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-01 16:54:37,982 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [753714357] [2022-03-01 16:54:37,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:54:37,982 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-01 16:54:37,982 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:54:37,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-01 16:54:37,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=529, Unknown=0, NotChecked=0, Total=600 [2022-03-01 16:54:37,982 INFO L87 Difference]: Start difference. First operand 2913 states and 5576 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:54:39,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:54:39,955 INFO L93 Difference]: Finished difference Result 5771 states and 11104 transitions. [2022-03-01 16:54:39,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2022-03-01 16:54:39,956 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 172 [2022-03-01 16:54:39,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:54:39,962 INFO L225 Difference]: With dead ends: 5771 [2022-03-01 16:54:39,962 INFO L226 Difference]: Without dead ends: 5771 [2022-03-01 16:54:39,962 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1862 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=846, Invalid=5960, Unknown=0, NotChecked=0, Total=6806 [2022-03-01 16:54:39,962 INFO L933 BasicCegarLoop]: 415 mSDtfsCounter, 1570 mSDsluCounter, 4826 mSDsCounter, 0 mSdLazyCounter, 3003 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1570 SdHoareTripleChecker+Valid, 5238 SdHoareTripleChecker+Invalid, 3105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 3003 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-03-01 16:54:39,962 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1570 Valid, 5238 Invalid, 3105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 3003 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-03-01 16:54:39,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5771 states. [2022-03-01 16:54:39,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5771 to 3020. [2022-03-01 16:54:39,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3020 states, 3008 states have (on average 1.9248670212765957) internal successors, (5790), 3019 states have internal predecessors, (5790), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:54:39,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3020 states to 3020 states and 5790 transitions. [2022-03-01 16:54:39,994 INFO L78 Accepts]: Start accepts. Automaton has 3020 states and 5790 transitions. Word has length 172 [2022-03-01 16:54:39,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:54:39,994 INFO L470 AbstractCegarLoop]: Abstraction has 3020 states and 5790 transitions. [2022-03-01 16:54:39,994 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:54:39,994 INFO L276 IsEmpty]: Start isEmpty. Operand 3020 states and 5790 transitions. [2022-03-01 16:54:39,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-01 16:54:39,995 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:54:39,995 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:54:39,995 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable129 [2022-03-01 16:54:39,996 INFO L402 AbstractCegarLoop]: === Iteration 131 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:54:39,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:54:39,996 INFO L85 PathProgramCache]: Analyzing trace with hash 1229784611, now seen corresponding path program 55 times [2022-03-01 16:54:39,996 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:54:39,996 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [332600590] [2022-03-01 16:54:39,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:54:39,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:54:40,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:54:40,359 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:54:40,359 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:54:40,359 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [332600590] [2022-03-01 16:54:40,359 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [332600590] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:54:40,359 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:54:40,359 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-03-01 16:54:40,359 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139519199] [2022-03-01 16:54:40,359 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:54:40,360 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-01 16:54:40,360 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:54:40,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-01 16:54:40,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=627, Unknown=0, NotChecked=0, Total=702 [2022-03-01 16:54:40,360 INFO L87 Difference]: Start difference. First operand 3020 states and 5790 transitions. Second operand has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:54:43,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:54:43,086 INFO L93 Difference]: Finished difference Result 6854 states and 13133 transitions. [2022-03-01 16:54:43,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2022-03-01 16:54:43,087 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 172 [2022-03-01 16:54:43,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:54:43,095 INFO L225 Difference]: With dead ends: 6854 [2022-03-01 16:54:43,095 INFO L226 Difference]: Without dead ends: 6854 [2022-03-01 16:54:43,096 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2048 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=927, Invalid=6555, Unknown=0, NotChecked=0, Total=7482 [2022-03-01 16:54:43,096 INFO L933 BasicCegarLoop]: 452 mSDtfsCounter, 2079 mSDsluCounter, 5669 mSDsCounter, 0 mSdLazyCounter, 4623 mSolverCounterSat, 259 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2079 SdHoareTripleChecker+Valid, 6114 SdHoareTripleChecker+Invalid, 4882 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 259 IncrementalHoareTripleChecker+Valid, 4623 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-03-01 16:54:43,096 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2079 Valid, 6114 Invalid, 4882 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [259 Valid, 4623 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-03-01 16:54:43,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6854 states. [2022-03-01 16:54:43,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6854 to 2972. [2022-03-01 16:54:43,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2972 states, 2960 states have (on average 1.9236486486486486) internal successors, (5694), 2971 states have internal predecessors, (5694), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:54:43,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2972 states to 2972 states and 5694 transitions. [2022-03-01 16:54:43,137 INFO L78 Accepts]: Start accepts. Automaton has 2972 states and 5694 transitions. Word has length 172 [2022-03-01 16:54:43,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:54:43,137 INFO L470 AbstractCegarLoop]: Abstraction has 2972 states and 5694 transitions. [2022-03-01 16:54:43,138 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:54:43,138 INFO L276 IsEmpty]: Start isEmpty. Operand 2972 states and 5694 transitions. [2022-03-01 16:54:43,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-01 16:54:43,139 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:54:43,139 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:54:43,139 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable130 [2022-03-01 16:54:43,139 INFO L402 AbstractCegarLoop]: === Iteration 132 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:54:43,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:54:43,139 INFO L85 PathProgramCache]: Analyzing trace with hash 804078789, now seen corresponding path program 56 times [2022-03-01 16:54:43,139 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:54:43,139 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [265195365] [2022-03-01 16:54:43,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:54:43,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:54:43,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:54:43,529 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:54:43,529 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:54:43,529 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [265195365] [2022-03-01 16:54:43,530 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [265195365] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:54:43,530 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:54:43,530 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-03-01 16:54:43,530 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [265071293] [2022-03-01 16:54:43,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:54:43,530 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-01 16:54:43,530 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:54:43,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-01 16:54:43,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=626, Unknown=0, NotChecked=0, Total=702 [2022-03-01 16:54:43,530 INFO L87 Difference]: Start difference. First operand 2972 states and 5694 transitions. Second operand has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:54:46,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:54:46,358 INFO L93 Difference]: Finished difference Result 7668 states and 14686 transitions. [2022-03-01 16:54:46,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2022-03-01 16:54:46,358 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 172 [2022-03-01 16:54:46,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:54:46,366 INFO L225 Difference]: With dead ends: 7668 [2022-03-01 16:54:46,366 INFO L226 Difference]: Without dead ends: 7668 [2022-03-01 16:54:46,367 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 87 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2156 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=990, Invalid=6842, Unknown=0, NotChecked=0, Total=7832 [2022-03-01 16:54:46,367 INFO L933 BasicCegarLoop]: 515 mSDtfsCounter, 2212 mSDsluCounter, 6008 mSDsCounter, 0 mSdLazyCounter, 4768 mSolverCounterSat, 278 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2212 SdHoareTripleChecker+Valid, 6517 SdHoareTripleChecker+Invalid, 5046 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 278 IncrementalHoareTripleChecker+Valid, 4768 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-03-01 16:54:46,367 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2212 Valid, 6517 Invalid, 5046 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [278 Valid, 4768 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-03-01 16:54:46,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7668 states. [2022-03-01 16:54:46,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7668 to 2974. [2022-03-01 16:54:46,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2974 states, 2962 states have (on average 1.9237002025658338) internal successors, (5698), 2973 states have internal predecessors, (5698), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:54:46,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2974 states to 2974 states and 5698 transitions. [2022-03-01 16:54:46,403 INFO L78 Accepts]: Start accepts. Automaton has 2974 states and 5698 transitions. Word has length 172 [2022-03-01 16:54:46,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:54:46,404 INFO L470 AbstractCegarLoop]: Abstraction has 2974 states and 5698 transitions. [2022-03-01 16:54:46,404 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:54:46,404 INFO L276 IsEmpty]: Start isEmpty. Operand 2974 states and 5698 transitions. [2022-03-01 16:54:46,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-01 16:54:46,405 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:54:46,405 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:54:46,405 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable131 [2022-03-01 16:54:46,405 INFO L402 AbstractCegarLoop]: === Iteration 133 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:54:46,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:54:46,405 INFO L85 PathProgramCache]: Analyzing trace with hash 1740141481, now seen corresponding path program 57 times [2022-03-01 16:54:46,405 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:54:46,405 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367268828] [2022-03-01 16:54:46,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:54:46,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:54:46,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:54:46,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:54:46,770 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:54:46,770 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367268828] [2022-03-01 16:54:46,770 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [367268828] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:54:46,770 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:54:46,770 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-03-01 16:54:46,770 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [597975984] [2022-03-01 16:54:46,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:54:46,771 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-01 16:54:46,771 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:54:46,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-01 16:54:46,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=628, Unknown=0, NotChecked=0, Total=702 [2022-03-01 16:54:46,771 INFO L87 Difference]: Start difference. First operand 2974 states and 5698 transitions. Second operand has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:54:49,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:54:49,911 INFO L93 Difference]: Finished difference Result 7807 states and 14964 transitions. [2022-03-01 16:54:49,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2022-03-01 16:54:49,911 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 172 [2022-03-01 16:54:49,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:54:49,918 INFO L225 Difference]: With dead ends: 7807 [2022-03-01 16:54:49,918 INFO L226 Difference]: Without dead ends: 7807 [2022-03-01 16:54:49,919 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 89 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2290 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=1023, Invalid=7167, Unknown=0, NotChecked=0, Total=8190 [2022-03-01 16:54:49,919 INFO L933 BasicCegarLoop]: 532 mSDtfsCounter, 2153 mSDsluCounter, 6608 mSDsCounter, 0 mSdLazyCounter, 5513 mSolverCounterSat, 302 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2153 SdHoareTripleChecker+Valid, 7134 SdHoareTripleChecker+Invalid, 5815 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 302 IncrementalHoareTripleChecker+Valid, 5513 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-03-01 16:54:49,919 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2153 Valid, 7134 Invalid, 5815 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [302 Valid, 5513 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-03-01 16:54:49,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7807 states. [2022-03-01 16:54:49,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7807 to 2964. [2022-03-01 16:54:49,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2964 states, 2952 states have (on average 1.9234417344173442) internal successors, (5678), 2963 states have internal predecessors, (5678), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:54:49,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2964 states to 2964 states and 5678 transitions. [2022-03-01 16:54:49,954 INFO L78 Accepts]: Start accepts. Automaton has 2964 states and 5678 transitions. Word has length 172 [2022-03-01 16:54:49,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:54:49,954 INFO L470 AbstractCegarLoop]: Abstraction has 2964 states and 5678 transitions. [2022-03-01 16:54:49,954 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:54:49,954 INFO L276 IsEmpty]: Start isEmpty. Operand 2964 states and 5678 transitions. [2022-03-01 16:54:49,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-01 16:54:49,956 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:54:49,956 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:54:49,956 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable132 [2022-03-01 16:54:49,956 INFO L402 AbstractCegarLoop]: === Iteration 134 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:54:49,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:54:49,956 INFO L85 PathProgramCache]: Analyzing trace with hash -492173401, now seen corresponding path program 58 times [2022-03-01 16:54:49,956 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:54:49,956 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1158760268] [2022-03-01 16:54:49,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:54:49,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:54:49,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:54:50,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:54:50,331 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:54:50,331 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1158760268] [2022-03-01 16:54:50,331 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1158760268] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:54:50,331 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:54:50,331 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-03-01 16:54:50,331 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1155183288] [2022-03-01 16:54:50,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:54:50,331 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-01 16:54:50,331 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:54:50,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-01 16:54:50,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=625, Unknown=0, NotChecked=0, Total=702 [2022-03-01 16:54:50,332 INFO L87 Difference]: Start difference. First operand 2964 states and 5678 transitions. Second operand has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:54:53,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:54:53,829 INFO L93 Difference]: Finished difference Result 6208 states and 11905 transitions. [2022-03-01 16:54:53,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2022-03-01 16:54:53,830 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 172 [2022-03-01 16:54:53,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:54:53,836 INFO L225 Difference]: With dead ends: 6208 [2022-03-01 16:54:53,836 INFO L226 Difference]: Without dead ends: 6208 [2022-03-01 16:54:53,837 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 87 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2104 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=1044, Invalid=6788, Unknown=0, NotChecked=0, Total=7832 [2022-03-01 16:54:53,837 INFO L933 BasicCegarLoop]: 469 mSDtfsCounter, 1763 mSDsluCounter, 7353 mSDsCounter, 0 mSdLazyCounter, 6597 mSolverCounterSat, 283 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1763 SdHoareTripleChecker+Valid, 7815 SdHoareTripleChecker+Invalid, 6880 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 283 IncrementalHoareTripleChecker+Valid, 6597 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:54:53,837 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1763 Valid, 7815 Invalid, 6880 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [283 Valid, 6597 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-03-01 16:54:53,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6208 states. [2022-03-01 16:54:53,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6208 to 2958. [2022-03-01 16:54:53,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2958 states, 2946 states have (on average 1.923285811269518) internal successors, (5666), 2957 states have internal predecessors, (5666), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:54:53,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2958 states to 2958 states and 5666 transitions. [2022-03-01 16:54:53,872 INFO L78 Accepts]: Start accepts. Automaton has 2958 states and 5666 transitions. Word has length 172 [2022-03-01 16:54:53,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:54:53,872 INFO L470 AbstractCegarLoop]: Abstraction has 2958 states and 5666 transitions. [2022-03-01 16:54:53,873 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:54:53,873 INFO L276 IsEmpty]: Start isEmpty. Operand 2958 states and 5666 transitions. [2022-03-01 16:54:53,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-01 16:54:53,874 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:54:53,874 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:54:53,874 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable133 [2022-03-01 16:54:53,874 INFO L402 AbstractCegarLoop]: === Iteration 135 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:54:53,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:54:53,874 INFO L85 PathProgramCache]: Analyzing trace with hash 321817159, now seen corresponding path program 59 times [2022-03-01 16:54:53,874 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:54:53,874 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1850685755] [2022-03-01 16:54:53,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:54:53,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:54:53,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:54:54,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:54:54,213 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:54:54,214 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1850685755] [2022-03-01 16:54:54,214 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1850685755] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:54:54,214 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:54:54,214 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-01 16:54:54,214 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1428186529] [2022-03-01 16:54:54,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:54:54,214 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-01 16:54:54,214 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:54:54,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-01 16:54:54,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=533, Unknown=0, NotChecked=0, Total=600 [2022-03-01 16:54:54,214 INFO L87 Difference]: Start difference. First operand 2958 states and 5666 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:54:57,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:54:57,134 INFO L93 Difference]: Finished difference Result 6359 states and 12203 transitions. [2022-03-01 16:54:57,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2022-03-01 16:54:57,135 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 172 [2022-03-01 16:54:57,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:54:57,142 INFO L225 Difference]: With dead ends: 6359 [2022-03-01 16:54:57,142 INFO L226 Difference]: Without dead ends: 6359 [2022-03-01 16:54:57,143 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2038 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=1077, Invalid=6579, Unknown=0, NotChecked=0, Total=7656 [2022-03-01 16:54:57,143 INFO L933 BasicCegarLoop]: 485 mSDtfsCounter, 1825 mSDsluCounter, 5674 mSDsCounter, 0 mSdLazyCounter, 4863 mSolverCounterSat, 296 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1825 SdHoareTripleChecker+Valid, 6155 SdHoareTripleChecker+Invalid, 5159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 296 IncrementalHoareTripleChecker+Valid, 4863 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-03-01 16:54:57,143 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1825 Valid, 6155 Invalid, 5159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [296 Valid, 4863 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-03-01 16:54:57,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6359 states. [2022-03-01 16:54:57,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6359 to 2954. [2022-03-01 16:54:57,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2954 states, 2942 states have (on average 1.9231815091774302) internal successors, (5658), 2953 states have internal predecessors, (5658), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:54:57,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2954 states to 2954 states and 5658 transitions. [2022-03-01 16:54:57,181 INFO L78 Accepts]: Start accepts. Automaton has 2954 states and 5658 transitions. Word has length 172 [2022-03-01 16:54:57,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:54:57,181 INFO L470 AbstractCegarLoop]: Abstraction has 2954 states and 5658 transitions. [2022-03-01 16:54:57,181 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:54:57,181 INFO L276 IsEmpty]: Start isEmpty. Operand 2954 states and 5658 transitions. [2022-03-01 16:54:57,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-01 16:54:57,183 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:54:57,183 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:54:57,183 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable134 [2022-03-01 16:54:57,183 INFO L402 AbstractCegarLoop]: === Iteration 136 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:54:57,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:54:57,183 INFO L85 PathProgramCache]: Analyzing trace with hash -1399888727, now seen corresponding path program 60 times [2022-03-01 16:54:57,183 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:54:57,183 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2120139382] [2022-03-01 16:54:57,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:54:57,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:54:57,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:54:57,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:54:57,552 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:54:57,552 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2120139382] [2022-03-01 16:54:57,552 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2120139382] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:54:57,552 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:54:57,552 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-03-01 16:54:57,552 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2059288692] [2022-03-01 16:54:57,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:54:57,553 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-01 16:54:57,553 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:54:57,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-01 16:54:57,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=628, Unknown=0, NotChecked=0, Total=702 [2022-03-01 16:54:57,553 INFO L87 Difference]: Start difference. First operand 2954 states and 5658 transitions. Second operand has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:55:00,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:55:00,795 INFO L93 Difference]: Finished difference Result 6166 states and 11821 transitions. [2022-03-01 16:55:00,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2022-03-01 16:55:00,795 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 172 [2022-03-01 16:55:00,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:55:00,801 INFO L225 Difference]: With dead ends: 6166 [2022-03-01 16:55:00,801 INFO L226 Difference]: Without dead ends: 6166 [2022-03-01 16:55:00,801 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 90 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2309 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=1085, Invalid=7287, Unknown=0, NotChecked=0, Total=8372 [2022-03-01 16:55:00,801 INFO L933 BasicCegarLoop]: 488 mSDtfsCounter, 1732 mSDsluCounter, 6241 mSDsCounter, 0 mSdLazyCounter, 5724 mSolverCounterSat, 282 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1732 SdHoareTripleChecker+Valid, 6722 SdHoareTripleChecker+Invalid, 6006 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 282 IncrementalHoareTripleChecker+Valid, 5724 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-03-01 16:55:00,801 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1732 Valid, 6722 Invalid, 6006 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [282 Valid, 5724 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-03-01 16:55:00,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6166 states. [2022-03-01 16:55:00,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6166 to 2895. [2022-03-01 16:55:00,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2895 states, 2883 states have (on average 1.9216094346167187) internal successors, (5540), 2894 states have internal predecessors, (5540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:55:00,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2895 states to 2895 states and 5540 transitions. [2022-03-01 16:55:00,831 INFO L78 Accepts]: Start accepts. Automaton has 2895 states and 5540 transitions. Word has length 172 [2022-03-01 16:55:00,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:55:00,831 INFO L470 AbstractCegarLoop]: Abstraction has 2895 states and 5540 transitions. [2022-03-01 16:55:00,831 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:55:00,831 INFO L276 IsEmpty]: Start isEmpty. Operand 2895 states and 5540 transitions. [2022-03-01 16:55:00,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-01 16:55:00,832 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:55:00,832 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:55:00,832 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable135 [2022-03-01 16:55:00,832 INFO L402 AbstractCegarLoop]: === Iteration 137 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:55:00,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:55:00,832 INFO L85 PathProgramCache]: Analyzing trace with hash 91974969, now seen corresponding path program 61 times [2022-03-01 16:55:00,832 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:55:00,833 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [20735479] [2022-03-01 16:55:00,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:55:00,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:55:00,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:55:01,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:55:01,242 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:55:01,242 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [20735479] [2022-03-01 16:55:01,242 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [20735479] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:55:01,242 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:55:01,242 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-03-01 16:55:01,242 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213185178] [2022-03-01 16:55:01,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:55:01,242 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-01 16:55:01,242 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:55:01,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-01 16:55:01,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=620, Unknown=0, NotChecked=0, Total=702 [2022-03-01 16:55:01,243 INFO L87 Difference]: Start difference. First operand 2895 states and 5540 transitions. Second operand has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:55:02,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:55:02,980 INFO L93 Difference]: Finished difference Result 3830 states and 7304 transitions. [2022-03-01 16:55:02,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-03-01 16:55:02,980 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 172 [2022-03-01 16:55:02,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:55:02,984 INFO L225 Difference]: With dead ends: 3830 [2022-03-01 16:55:02,984 INFO L226 Difference]: Without dead ends: 3830 [2022-03-01 16:55:02,985 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1050 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=612, Invalid=3944, Unknown=0, NotChecked=0, Total=4556 [2022-03-01 16:55:02,985 INFO L933 BasicCegarLoop]: 257 mSDtfsCounter, 1290 mSDsluCounter, 3405 mSDsCounter, 0 mSdLazyCounter, 2640 mSolverCounterSat, 150 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1290 SdHoareTripleChecker+Valid, 3656 SdHoareTripleChecker+Invalid, 2790 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 150 IncrementalHoareTripleChecker+Valid, 2640 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-03-01 16:55:02,985 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1290 Valid, 3656 Invalid, 2790 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [150 Valid, 2640 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-03-01 16:55:02,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3830 states. [2022-03-01 16:55:03,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3830 to 2894. [2022-03-01 16:55:03,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2894 states, 2882 states have (on average 1.9215822345593339) internal successors, (5538), 2893 states have internal predecessors, (5538), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:55:03,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2894 states to 2894 states and 5538 transitions. [2022-03-01 16:55:03,009 INFO L78 Accepts]: Start accepts. Automaton has 2894 states and 5538 transitions. Word has length 172 [2022-03-01 16:55:03,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:55:03,009 INFO L470 AbstractCegarLoop]: Abstraction has 2894 states and 5538 transitions. [2022-03-01 16:55:03,010 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:55:03,010 INFO L276 IsEmpty]: Start isEmpty. Operand 2894 states and 5538 transitions. [2022-03-01 16:55:03,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-01 16:55:03,011 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:55:03,011 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:55:03,011 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable136 [2022-03-01 16:55:03,011 INFO L402 AbstractCegarLoop]: === Iteration 138 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:55:03,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:55:03,011 INFO L85 PathProgramCache]: Analyzing trace with hash -1423117003, now seen corresponding path program 62 times [2022-03-01 16:55:03,011 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:55:03,011 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1070567333] [2022-03-01 16:55:03,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:55:03,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:55:03,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:55:03,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:55:03,417 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:55:03,417 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1070567333] [2022-03-01 16:55:03,417 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1070567333] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:55:03,417 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:55:03,417 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-03-01 16:55:03,417 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174858785] [2022-03-01 16:55:03,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:55:03,417 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-01 16:55:03,417 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:55:03,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-01 16:55:03,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=624, Unknown=0, NotChecked=0, Total=702 [2022-03-01 16:55:03,418 INFO L87 Difference]: Start difference. First operand 2894 states and 5538 transitions. Second operand has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:55:05,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:55:05,090 INFO L93 Difference]: Finished difference Result 3939 states and 7516 transitions. [2022-03-01 16:55:05,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2022-03-01 16:55:05,090 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 172 [2022-03-01 16:55:05,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:55:05,094 INFO L225 Difference]: With dead ends: 3939 [2022-03-01 16:55:05,095 INFO L226 Difference]: Without dead ends: 3939 [2022-03-01 16:55:05,095 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1180 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=665, Invalid=4305, Unknown=0, NotChecked=0, Total=4970 [2022-03-01 16:55:05,095 INFO L933 BasicCegarLoop]: 263 mSDtfsCounter, 1503 mSDsluCounter, 2993 mSDsCounter, 0 mSdLazyCounter, 2303 mSolverCounterSat, 206 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1503 SdHoareTripleChecker+Valid, 3250 SdHoareTripleChecker+Invalid, 2509 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 206 IncrementalHoareTripleChecker+Valid, 2303 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-03-01 16:55:05,095 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1503 Valid, 3250 Invalid, 2509 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [206 Valid, 2303 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-03-01 16:55:05,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3939 states. [2022-03-01 16:55:05,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3939 to 2897. [2022-03-01 16:55:05,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2897 states, 2885 states have (on average 1.9216637781629116) internal successors, (5544), 2896 states have internal predecessors, (5544), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:55:05,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2897 states to 2897 states and 5544 transitions. [2022-03-01 16:55:05,120 INFO L78 Accepts]: Start accepts. Automaton has 2897 states and 5544 transitions. Word has length 172 [2022-03-01 16:55:05,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:55:05,120 INFO L470 AbstractCegarLoop]: Abstraction has 2897 states and 5544 transitions. [2022-03-01 16:55:05,120 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:55:05,120 INFO L276 IsEmpty]: Start isEmpty. Operand 2897 states and 5544 transitions. [2022-03-01 16:55:05,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-01 16:55:05,121 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:55:05,121 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:55:05,121 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable137 [2022-03-01 16:55:05,122 INFO L402 AbstractCegarLoop]: === Iteration 139 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:55:05,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:55:05,122 INFO L85 PathProgramCache]: Analyzing trace with hash -1612488221, now seen corresponding path program 63 times [2022-03-01 16:55:05,122 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:55:05,122 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [744306446] [2022-03-01 16:55:05,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:55:05,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:55:05,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:55:05,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:55:05,475 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:55:05,475 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [744306446] [2022-03-01 16:55:05,475 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [744306446] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:55:05,475 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:55:05,475 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-01 16:55:05,475 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [527374619] [2022-03-01 16:55:05,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:55:05,475 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-01 16:55:05,475 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:55:05,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-01 16:55:05,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=529, Unknown=0, NotChecked=0, Total=600 [2022-03-01 16:55:05,476 INFO L87 Difference]: Start difference. First operand 2897 states and 5544 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:55:07,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:55:07,432 INFO L93 Difference]: Finished difference Result 4023 states and 7680 transitions. [2022-03-01 16:55:07,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2022-03-01 16:55:07,433 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 172 [2022-03-01 16:55:07,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:55:07,437 INFO L225 Difference]: With dead ends: 4023 [2022-03-01 16:55:07,437 INFO L226 Difference]: Without dead ends: 4023 [2022-03-01 16:55:07,438 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1167 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=731, Invalid=4239, Unknown=0, NotChecked=0, Total=4970 [2022-03-01 16:55:07,438 INFO L933 BasicCegarLoop]: 296 mSDtfsCounter, 1305 mSDsluCounter, 4094 mSDsCounter, 0 mSdLazyCounter, 2908 mSolverCounterSat, 175 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1305 SdHoareTripleChecker+Valid, 4385 SdHoareTripleChecker+Invalid, 3083 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 175 IncrementalHoareTripleChecker+Valid, 2908 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-03-01 16:55:07,438 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1305 Valid, 4385 Invalid, 3083 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [175 Valid, 2908 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-03-01 16:55:07,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4023 states. [2022-03-01 16:55:07,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4023 to 2911. [2022-03-01 16:55:07,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2911 states, 2899 states have (on average 1.9223870300103485) internal successors, (5573), 2910 states have internal predecessors, (5573), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:55:07,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2911 states to 2911 states and 5573 transitions. [2022-03-01 16:55:07,466 INFO L78 Accepts]: Start accepts. Automaton has 2911 states and 5573 transitions. Word has length 172 [2022-03-01 16:55:07,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:55:07,466 INFO L470 AbstractCegarLoop]: Abstraction has 2911 states and 5573 transitions. [2022-03-01 16:55:07,466 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:55:07,466 INFO L276 IsEmpty]: Start isEmpty. Operand 2911 states and 5573 transitions. [2022-03-01 16:55:07,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-01 16:55:07,467 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:55:07,467 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:55:07,467 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable138 [2022-03-01 16:55:07,467 INFO L402 AbstractCegarLoop]: === Iteration 140 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:55:07,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:55:07,467 INFO L85 PathProgramCache]: Analyzing trace with hash 1597091075, now seen corresponding path program 64 times [2022-03-01 16:55:07,467 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:55:07,467 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304986326] [2022-03-01 16:55:07,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:55:07,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:55:07,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:55:07,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:55:07,876 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:55:07,876 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1304986326] [2022-03-01 16:55:07,876 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1304986326] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:55:07,876 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:55:07,876 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-03-01 16:55:07,876 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1465995933] [2022-03-01 16:55:07,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:55:07,877 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-01 16:55:07,877 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:55:07,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-01 16:55:07,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=625, Unknown=0, NotChecked=0, Total=702 [2022-03-01 16:55:07,877 INFO L87 Difference]: Start difference. First operand 2911 states and 5573 transitions. Second operand has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:55:09,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:55:09,731 INFO L93 Difference]: Finished difference Result 3918 states and 7475 transitions. [2022-03-01 16:55:09,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-03-01 16:55:09,731 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 172 [2022-03-01 16:55:09,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:55:09,736 INFO L225 Difference]: With dead ends: 3918 [2022-03-01 16:55:09,736 INFO L226 Difference]: Without dead ends: 3918 [2022-03-01 16:55:09,737 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1272 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=705, Invalid=4551, Unknown=0, NotChecked=0, Total=5256 [2022-03-01 16:55:09,737 INFO L933 BasicCegarLoop]: 261 mSDtfsCounter, 1277 mSDsluCounter, 3715 mSDsCounter, 0 mSdLazyCounter, 2720 mSolverCounterSat, 216 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1277 SdHoareTripleChecker+Valid, 3970 SdHoareTripleChecker+Invalid, 2936 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 216 IncrementalHoareTripleChecker+Valid, 2720 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-03-01 16:55:09,737 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1277 Valid, 3970 Invalid, 2936 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [216 Valid, 2720 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-03-01 16:55:09,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3918 states. [2022-03-01 16:55:09,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3918 to 2917. [2022-03-01 16:55:09,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2917 states, 2905 states have (on average 1.9225473321858864) internal successors, (5585), 2916 states have internal predecessors, (5585), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:55:09,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2917 states to 2917 states and 5585 transitions. [2022-03-01 16:55:09,765 INFO L78 Accepts]: Start accepts. Automaton has 2917 states and 5585 transitions. Word has length 172 [2022-03-01 16:55:09,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:55:09,766 INFO L470 AbstractCegarLoop]: Abstraction has 2917 states and 5585 transitions. [2022-03-01 16:55:09,766 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:55:09,766 INFO L276 IsEmpty]: Start isEmpty. Operand 2917 states and 5585 transitions. [2022-03-01 16:55:09,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-01 16:55:09,767 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:55:09,767 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:55:09,767 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable139 [2022-03-01 16:55:09,767 INFO L402 AbstractCegarLoop]: === Iteration 141 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:55:09,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:55:09,767 INFO L85 PathProgramCache]: Analyzing trace with hash 1407719857, now seen corresponding path program 65 times [2022-03-01 16:55:09,767 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:55:09,767 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1850033422] [2022-03-01 16:55:09,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:55:09,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:55:09,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:55:10,139 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:55:10,139 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:55:10,139 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1850033422] [2022-03-01 16:55:10,139 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1850033422] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:55:10,139 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:55:10,139 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-01 16:55:10,139 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1358929237] [2022-03-01 16:55:10,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:55:10,140 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-01 16:55:10,140 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:55:10,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-01 16:55:10,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=532, Unknown=0, NotChecked=0, Total=600 [2022-03-01 16:55:10,140 INFO L87 Difference]: Start difference. First operand 2917 states and 5585 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:55:12,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:55:12,141 INFO L93 Difference]: Finished difference Result 4148 states and 7924 transitions. [2022-03-01 16:55:12,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-03-01 16:55:12,141 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 172 [2022-03-01 16:55:12,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:55:12,146 INFO L225 Difference]: With dead ends: 4148 [2022-03-01 16:55:12,146 INFO L226 Difference]: Without dead ends: 4148 [2022-03-01 16:55:12,147 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1354 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=818, Invalid=4732, Unknown=0, NotChecked=0, Total=5550 [2022-03-01 16:55:12,147 INFO L933 BasicCegarLoop]: 302 mSDtfsCounter, 1429 mSDsluCounter, 3694 mSDsCounter, 0 mSdLazyCounter, 2807 mSolverCounterSat, 218 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1429 SdHoareTripleChecker+Valid, 3991 SdHoareTripleChecker+Invalid, 3025 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 218 IncrementalHoareTripleChecker+Valid, 2807 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-03-01 16:55:12,147 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1429 Valid, 3991 Invalid, 3025 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [218 Valid, 2807 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-03-01 16:55:12,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4148 states. [2022-03-01 16:55:12,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4148 to 2914. [2022-03-01 16:55:12,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2914 states, 2902 states have (on average 1.9224672639558924) internal successors, (5579), 2913 states have internal predecessors, (5579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:55:12,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2914 states to 2914 states and 5579 transitions. [2022-03-01 16:55:12,173 INFO L78 Accepts]: Start accepts. Automaton has 2914 states and 5579 transitions. Word has length 172 [2022-03-01 16:55:12,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:55:12,173 INFO L470 AbstractCegarLoop]: Abstraction has 2914 states and 5579 transitions. [2022-03-01 16:55:12,174 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:55:12,174 INFO L276 IsEmpty]: Start isEmpty. Operand 2914 states and 5579 transitions. [2022-03-01 16:55:12,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-01 16:55:12,175 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:55:12,175 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:55:12,175 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable140 [2022-03-01 16:55:12,175 INFO L402 AbstractCegarLoop]: === Iteration 142 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:55:12,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:55:12,175 INFO L85 PathProgramCache]: Analyzing trace with hash -2080773063, now seen corresponding path program 66 times [2022-03-01 16:55:12,175 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:55:12,175 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1868668654] [2022-03-01 16:55:12,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:55:12,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:55:12,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:55:12,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:55:12,573 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:55:12,573 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1868668654] [2022-03-01 16:55:12,573 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1868668654] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:55:12,573 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:55:12,573 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-03-01 16:55:12,573 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [362401805] [2022-03-01 16:55:12,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:55:12,573 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-01 16:55:12,573 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:55:12,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-01 16:55:12,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=624, Unknown=0, NotChecked=0, Total=702 [2022-03-01 16:55:12,574 INFO L87 Difference]: Start difference. First operand 2914 states and 5579 transitions. Second operand has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:55:14,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:55:14,676 INFO L93 Difference]: Finished difference Result 4136 states and 7906 transitions. [2022-03-01 16:55:14,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2022-03-01 16:55:14,677 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 172 [2022-03-01 16:55:14,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:55:14,681 INFO L225 Difference]: With dead ends: 4136 [2022-03-01 16:55:14,681 INFO L226 Difference]: Without dead ends: 4136 [2022-03-01 16:55:14,681 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1784 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=943, Invalid=5863, Unknown=0, NotChecked=0, Total=6806 [2022-03-01 16:55:14,681 INFO L933 BasicCegarLoop]: 309 mSDtfsCounter, 1321 mSDsluCounter, 3662 mSDsCounter, 0 mSdLazyCounter, 2902 mSolverCounterSat, 213 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1321 SdHoareTripleChecker+Valid, 3965 SdHoareTripleChecker+Invalid, 3115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 213 IncrementalHoareTripleChecker+Valid, 2902 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-03-01 16:55:14,681 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1321 Valid, 3965 Invalid, 3115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [213 Valid, 2902 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-03-01 16:55:14,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4136 states. [2022-03-01 16:55:14,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4136 to 2928. [2022-03-01 16:55:14,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2928 states, 2916 states have (on average 1.9231824417009602) internal successors, (5608), 2927 states have internal predecessors, (5608), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:55:14,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2928 states to 2928 states and 5608 transitions. [2022-03-01 16:55:14,705 INFO L78 Accepts]: Start accepts. Automaton has 2928 states and 5608 transitions. Word has length 172 [2022-03-01 16:55:14,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:55:14,705 INFO L470 AbstractCegarLoop]: Abstraction has 2928 states and 5608 transitions. [2022-03-01 16:55:14,705 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:55:14,705 INFO L276 IsEmpty]: Start isEmpty. Operand 2928 states and 5608 transitions. [2022-03-01 16:55:14,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-01 16:55:14,707 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:55:14,707 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:55:14,707 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable141 [2022-03-01 16:55:14,707 INFO L402 AbstractCegarLoop]: === Iteration 143 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:55:14,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:55:14,707 INFO L85 PathProgramCache]: Analyzing trace with hash -1853989623, now seen corresponding path program 67 times [2022-03-01 16:55:14,707 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:55:14,707 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [81470842] [2022-03-01 16:55:14,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:55:14,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:55:14,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:55:15,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:55:15,066 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:55:15,066 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [81470842] [2022-03-01 16:55:15,066 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [81470842] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:55:15,066 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:55:15,066 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-01 16:55:15,066 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [724024235] [2022-03-01 16:55:15,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:55:15,067 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-01 16:55:15,067 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:55:15,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-01 16:55:15,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=530, Unknown=0, NotChecked=0, Total=600 [2022-03-01 16:55:15,067 INFO L87 Difference]: Start difference. First operand 2928 states and 5608 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:55:16,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:55:16,831 INFO L93 Difference]: Finished difference Result 3944 states and 7528 transitions. [2022-03-01 16:55:16,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2022-03-01 16:55:16,831 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 172 [2022-03-01 16:55:16,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:55:16,835 INFO L225 Difference]: With dead ends: 3944 [2022-03-01 16:55:16,835 INFO L226 Difference]: Without dead ends: 3944 [2022-03-01 16:55:16,835 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1109 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=715, Invalid=4115, Unknown=0, NotChecked=0, Total=4830 [2022-03-01 16:55:16,836 INFO L933 BasicCegarLoop]: 279 mSDtfsCounter, 1235 mSDsluCounter, 3559 mSDsCounter, 0 mSdLazyCounter, 2474 mSolverCounterSat, 201 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1235 SdHoareTripleChecker+Valid, 3834 SdHoareTripleChecker+Invalid, 2675 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 201 IncrementalHoareTripleChecker+Valid, 2474 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-03-01 16:55:16,836 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1235 Valid, 3834 Invalid, 2675 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [201 Valid, 2474 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-03-01 16:55:16,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3944 states. [2022-03-01 16:55:16,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3944 to 2937. [2022-03-01 16:55:16,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2937 states, 2925 states have (on average 1.9234188034188033) internal successors, (5626), 2936 states have internal predecessors, (5626), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:55:16,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2937 states to 2937 states and 5626 transitions. [2022-03-01 16:55:16,860 INFO L78 Accepts]: Start accepts. Automaton has 2937 states and 5626 transitions. Word has length 172 [2022-03-01 16:55:16,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:55:16,860 INFO L470 AbstractCegarLoop]: Abstraction has 2937 states and 5626 transitions. [2022-03-01 16:55:16,860 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:55:16,860 INFO L276 IsEmpty]: Start isEmpty. Operand 2937 states and 5626 transitions. [2022-03-01 16:55:16,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-01 16:55:16,861 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:55:16,861 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:55:16,861 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable142 [2022-03-01 16:55:16,861 INFO L402 AbstractCegarLoop]: === Iteration 144 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:55:16,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:55:16,862 INFO L85 PathProgramCache]: Analyzing trace with hash -2043360841, now seen corresponding path program 68 times [2022-03-01 16:55:16,862 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:55:16,862 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [510546420] [2022-03-01 16:55:16,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:55:16,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:55:16,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:55:17,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:55:17,208 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:55:17,208 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [510546420] [2022-03-01 16:55:17,208 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [510546420] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:55:17,208 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:55:17,208 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-01 16:55:17,208 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [167656726] [2022-03-01 16:55:17,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:55:17,209 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-01 16:55:17,209 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:55:17,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-01 16:55:17,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=532, Unknown=0, NotChecked=0, Total=600 [2022-03-01 16:55:17,209 INFO L87 Difference]: Start difference. First operand 2937 states and 5626 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:55:19,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:55:19,120 INFO L93 Difference]: Finished difference Result 4118 states and 7866 transitions. [2022-03-01 16:55:19,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2022-03-01 16:55:19,121 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 172 [2022-03-01 16:55:19,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:55:19,125 INFO L225 Difference]: With dead ends: 4118 [2022-03-01 16:55:19,126 INFO L226 Difference]: Without dead ends: 4118 [2022-03-01 16:55:19,126 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1285 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=804, Invalid=4598, Unknown=0, NotChecked=0, Total=5402 [2022-03-01 16:55:19,126 INFO L933 BasicCegarLoop]: 293 mSDtfsCounter, 1486 mSDsluCounter, 3800 mSDsCounter, 0 mSdLazyCounter, 2726 mSolverCounterSat, 288 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1486 SdHoareTripleChecker+Valid, 4089 SdHoareTripleChecker+Invalid, 3014 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 288 IncrementalHoareTripleChecker+Valid, 2726 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-03-01 16:55:19,126 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1486 Valid, 4089 Invalid, 3014 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [288 Valid, 2726 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-03-01 16:55:19,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4118 states. [2022-03-01 16:55:19,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4118 to 2934. [2022-03-01 16:55:19,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2934 states, 2922 states have (on average 1.9233401779603012) internal successors, (5620), 2933 states have internal predecessors, (5620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:55:19,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2934 states to 2934 states and 5620 transitions. [2022-03-01 16:55:19,155 INFO L78 Accepts]: Start accepts. Automaton has 2934 states and 5620 transitions. Word has length 172 [2022-03-01 16:55:19,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:55:19,156 INFO L470 AbstractCegarLoop]: Abstraction has 2934 states and 5620 transitions. [2022-03-01 16:55:19,156 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:55:19,156 INFO L276 IsEmpty]: Start isEmpty. Operand 2934 states and 5620 transitions. [2022-03-01 16:55:19,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-01 16:55:19,157 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:55:19,157 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:55:19,157 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable143 [2022-03-01 16:55:19,157 INFO L402 AbstractCegarLoop]: === Iteration 145 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:55:19,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:55:19,157 INFO L85 PathProgramCache]: Analyzing trace with hash -1236886465, now seen corresponding path program 69 times [2022-03-01 16:55:19,157 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:55:19,157 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1235255496] [2022-03-01 16:55:19,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:55:19,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:55:19,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:55:19,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:55:19,495 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:55:19,495 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1235255496] [2022-03-01 16:55:19,495 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1235255496] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:55:19,495 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:55:19,495 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-01 16:55:19,495 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831386197] [2022-03-01 16:55:19,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:55:19,495 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-01 16:55:19,495 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:55:19,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-01 16:55:19,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=532, Unknown=0, NotChecked=0, Total=600 [2022-03-01 16:55:19,496 INFO L87 Difference]: Start difference. First operand 2934 states and 5620 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:55:21,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:55:21,777 INFO L93 Difference]: Finished difference Result 4267 states and 8162 transitions. [2022-03-01 16:55:21,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2022-03-01 16:55:21,777 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 172 [2022-03-01 16:55:21,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:55:21,782 INFO L225 Difference]: With dead ends: 4267 [2022-03-01 16:55:21,782 INFO L226 Difference]: Without dead ends: 4267 [2022-03-01 16:55:21,783 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1763 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=1032, Invalid=5774, Unknown=0, NotChecked=0, Total=6806 [2022-03-01 16:55:21,783 INFO L933 BasicCegarLoop]: 328 mSDtfsCounter, 1564 mSDsluCounter, 4210 mSDsCounter, 0 mSdLazyCounter, 3248 mSolverCounterSat, 267 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1564 SdHoareTripleChecker+Valid, 4533 SdHoareTripleChecker+Invalid, 3515 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 267 IncrementalHoareTripleChecker+Valid, 3248 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-03-01 16:55:21,783 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1564 Valid, 4533 Invalid, 3515 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [267 Valid, 3248 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-03-01 16:55:21,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4267 states. [2022-03-01 16:55:21,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4267 to 2931. [2022-03-01 16:55:21,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2931 states, 2919 states have (on average 1.9232613908872902) internal successors, (5614), 2930 states have internal predecessors, (5614), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:55:21,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2931 states to 2931 states and 5614 transitions. [2022-03-01 16:55:21,811 INFO L78 Accepts]: Start accepts. Automaton has 2931 states and 5614 transitions. Word has length 172 [2022-03-01 16:55:21,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:55:21,811 INFO L470 AbstractCegarLoop]: Abstraction has 2931 states and 5614 transitions. [2022-03-01 16:55:21,811 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:55:21,811 INFO L276 IsEmpty]: Start isEmpty. Operand 2931 states and 5614 transitions. [2022-03-01 16:55:21,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-01 16:55:21,813 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:55:21,813 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:55:21,813 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable144 [2022-03-01 16:55:21,813 INFO L402 AbstractCegarLoop]: === Iteration 146 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:55:21,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:55:21,813 INFO L85 PathProgramCache]: Analyzing trace with hash -1479174659, now seen corresponding path program 70 times [2022-03-01 16:55:21,813 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:55:21,813 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [281618818] [2022-03-01 16:55:21,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:55:21,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:55:21,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:55:22,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:55:22,183 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:55:22,183 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [281618818] [2022-03-01 16:55:22,183 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [281618818] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:55:22,183 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:55:22,183 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-01 16:55:22,183 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14319393] [2022-03-01 16:55:22,183 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:55:22,184 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-01 16:55:22,184 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:55:22,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-01 16:55:22,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=533, Unknown=0, NotChecked=0, Total=600 [2022-03-01 16:55:22,184 INFO L87 Difference]: Start difference. First operand 2931 states and 5614 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:55:24,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:55:24,344 INFO L93 Difference]: Finished difference Result 4240 states and 8110 transitions. [2022-03-01 16:55:24,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2022-03-01 16:55:24,345 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 172 [2022-03-01 16:55:24,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:55:24,349 INFO L225 Difference]: With dead ends: 4240 [2022-03-01 16:55:24,349 INFO L226 Difference]: Without dead ends: 4240 [2022-03-01 16:55:24,350 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1815 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=1020, Invalid=5952, Unknown=0, NotChecked=0, Total=6972 [2022-03-01 16:55:24,351 INFO L933 BasicCegarLoop]: 327 mSDtfsCounter, 1672 mSDsluCounter, 3718 mSDsCounter, 0 mSdLazyCounter, 2914 mSolverCounterSat, 298 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1672 SdHoareTripleChecker+Valid, 4041 SdHoareTripleChecker+Invalid, 3212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 298 IncrementalHoareTripleChecker+Valid, 2914 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-03-01 16:55:24,351 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1672 Valid, 4041 Invalid, 3212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [298 Valid, 2914 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-03-01 16:55:24,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4240 states. [2022-03-01 16:55:24,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4240 to 2933. [2022-03-01 16:55:24,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2933 states, 2921 states have (on average 1.923313933584389) internal successors, (5618), 2932 states have internal predecessors, (5618), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:55:24,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2933 states to 2933 states and 5618 transitions. [2022-03-01 16:55:24,390 INFO L78 Accepts]: Start accepts. Automaton has 2933 states and 5618 transitions. Word has length 172 [2022-03-01 16:55:24,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:55:24,390 INFO L470 AbstractCegarLoop]: Abstraction has 2933 states and 5618 transitions. [2022-03-01 16:55:24,391 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:55:24,391 INFO L276 IsEmpty]: Start isEmpty. Operand 2933 states and 5618 transitions. [2022-03-01 16:55:24,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-01 16:55:24,392 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:55:24,392 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:55:24,392 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable145 [2022-03-01 16:55:24,392 INFO L402 AbstractCegarLoop]: === Iteration 147 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:55:24,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:55:24,392 INFO L85 PathProgramCache]: Analyzing trace with hash 1094086751, now seen corresponding path program 71 times [2022-03-01 16:55:24,393 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:55:24,393 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2140692999] [2022-03-01 16:55:24,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:55:24,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:55:24,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:55:24,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:55:24,761 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:55:24,761 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2140692999] [2022-03-01 16:55:24,761 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2140692999] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:55:24,761 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:55:24,762 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-03-01 16:55:24,762 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955194918] [2022-03-01 16:55:24,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:55:24,762 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-01 16:55:24,762 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:55:24,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-01 16:55:24,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=628, Unknown=0, NotChecked=0, Total=702 [2022-03-01 16:55:24,762 INFO L87 Difference]: Start difference. First operand 2933 states and 5618 transitions. Second operand has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:55:27,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:55:27,391 INFO L93 Difference]: Finished difference Result 4227 states and 8088 transitions. [2022-03-01 16:55:27,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2022-03-01 16:55:27,392 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 172 [2022-03-01 16:55:27,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:55:27,396 INFO L225 Difference]: With dead ends: 4227 [2022-03-01 16:55:27,396 INFO L226 Difference]: Without dead ends: 4227 [2022-03-01 16:55:27,397 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2072 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=1030, Invalid=6626, Unknown=0, NotChecked=0, Total=7656 [2022-03-01 16:55:27,397 INFO L933 BasicCegarLoop]: 329 mSDtfsCounter, 1522 mSDsluCounter, 4818 mSDsCounter, 0 mSdLazyCounter, 4211 mSolverCounterSat, 271 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1522 SdHoareTripleChecker+Valid, 5140 SdHoareTripleChecker+Invalid, 4482 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 271 IncrementalHoareTripleChecker+Valid, 4211 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-03-01 16:55:27,397 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1522 Valid, 5140 Invalid, 4482 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [271 Valid, 4211 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-03-01 16:55:27,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4227 states. [2022-03-01 16:55:27,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4227 to 2945. [2022-03-01 16:55:27,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2945 states, 2933 states have (on average 1.9239686327991816) internal successors, (5643), 2944 states have internal predecessors, (5643), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:55:27,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2945 states to 2945 states and 5643 transitions. [2022-03-01 16:55:27,424 INFO L78 Accepts]: Start accepts. Automaton has 2945 states and 5643 transitions. Word has length 172 [2022-03-01 16:55:27,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:55:27,424 INFO L470 AbstractCegarLoop]: Abstraction has 2945 states and 5643 transitions. [2022-03-01 16:55:27,424 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:55:27,424 INFO L276 IsEmpty]: Start isEmpty. Operand 2945 states and 5643 transitions. [2022-03-01 16:55:27,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-01 16:55:27,425 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:55:27,425 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:55:27,425 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable146 [2022-03-01 16:55:27,425 INFO L402 AbstractCegarLoop]: === Iteration 148 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:55:27,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:55:27,426 INFO L85 PathProgramCache]: Analyzing trace with hash -2015728373, now seen corresponding path program 72 times [2022-03-01 16:55:27,426 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:55:27,426 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [738728434] [2022-03-01 16:55:27,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:55:27,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:55:27,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:55:27,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:55:27,813 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:55:27,813 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [738728434] [2022-03-01 16:55:27,813 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [738728434] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:55:27,813 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:55:27,813 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-01 16:55:27,813 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968777407] [2022-03-01 16:55:27,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:55:27,814 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-01 16:55:27,814 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:55:27,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-01 16:55:27,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=527, Unknown=0, NotChecked=0, Total=600 [2022-03-01 16:55:27,814 INFO L87 Difference]: Start difference. First operand 2945 states and 5643 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:55:30,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:55:30,168 INFO L93 Difference]: Finished difference Result 5765 states and 11024 transitions. [2022-03-01 16:55:30,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2022-03-01 16:55:30,168 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 172 [2022-03-01 16:55:30,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:55:30,174 INFO L225 Difference]: With dead ends: 5765 [2022-03-01 16:55:30,174 INFO L226 Difference]: Without dead ends: 5765 [2022-03-01 16:55:30,175 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1436 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=883, Invalid=4969, Unknown=0, NotChecked=0, Total=5852 [2022-03-01 16:55:30,175 INFO L933 BasicCegarLoop]: 342 mSDtfsCounter, 1751 mSDsluCounter, 4322 mSDsCounter, 0 mSdLazyCounter, 3703 mSolverCounterSat, 279 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1751 SdHoareTripleChecker+Valid, 4660 SdHoareTripleChecker+Invalid, 3982 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 279 IncrementalHoareTripleChecker+Valid, 3703 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:55:30,175 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1751 Valid, 4660 Invalid, 3982 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [279 Valid, 3703 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-03-01 16:55:30,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5765 states. [2022-03-01 16:55:30,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5765 to 2966. [2022-03-01 16:55:30,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2966 states, 2954 states have (on average 1.9245091401489505) internal successors, (5685), 2965 states have internal predecessors, (5685), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:55:30,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2966 states to 2966 states and 5685 transitions. [2022-03-01 16:55:30,207 INFO L78 Accepts]: Start accepts. Automaton has 2966 states and 5685 transitions. Word has length 172 [2022-03-01 16:55:30,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:55:30,207 INFO L470 AbstractCegarLoop]: Abstraction has 2966 states and 5685 transitions. [2022-03-01 16:55:30,207 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:55:30,207 INFO L276 IsEmpty]: Start isEmpty. Operand 2966 states and 5685 transitions. [2022-03-01 16:55:30,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-01 16:55:30,208 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:55:30,209 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:55:30,209 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable147 [2022-03-01 16:55:30,209 INFO L402 AbstractCegarLoop]: === Iteration 149 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:55:30,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:55:30,209 INFO L85 PathProgramCache]: Analyzing trace with hash 2089867705, now seen corresponding path program 73 times [2022-03-01 16:55:30,209 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:55:30,209 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2041697594] [2022-03-01 16:55:30,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:55:30,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:55:30,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:55:30,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:55:30,568 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:55:30,568 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2041697594] [2022-03-01 16:55:30,568 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2041697594] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:55:30,568 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:55:30,568 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-01 16:55:30,568 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743679215] [2022-03-01 16:55:30,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:55:30,568 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-01 16:55:30,568 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:55:30,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-01 16:55:30,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=530, Unknown=0, NotChecked=0, Total=600 [2022-03-01 16:55:30,569 INFO L87 Difference]: Start difference. First operand 2966 states and 5685 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:55:33,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:55:33,098 INFO L93 Difference]: Finished difference Result 5939 states and 11362 transitions. [2022-03-01 16:55:33,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2022-03-01 16:55:33,098 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 172 [2022-03-01 16:55:33,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:55:33,104 INFO L225 Difference]: With dead ends: 5939 [2022-03-01 16:55:33,104 INFO L226 Difference]: Without dead ends: 5939 [2022-03-01 16:55:33,105 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1634 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=980, Invalid=5500, Unknown=0, NotChecked=0, Total=6480 [2022-03-01 16:55:33,105 INFO L933 BasicCegarLoop]: 340 mSDtfsCounter, 1828 mSDsluCounter, 4288 mSDsCounter, 0 mSdLazyCounter, 3812 mSolverCounterSat, 296 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1828 SdHoareTripleChecker+Valid, 4623 SdHoareTripleChecker+Invalid, 4108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 296 IncrementalHoareTripleChecker+Valid, 3812 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-03-01 16:55:33,105 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1828 Valid, 4623 Invalid, 4108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [296 Valid, 3812 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-03-01 16:55:33,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5939 states. [2022-03-01 16:55:33,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5939 to 2963. [2022-03-01 16:55:33,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2963 states, 2951 states have (on average 1.9244323957980345) internal successors, (5679), 2962 states have internal predecessors, (5679), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:55:33,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2963 states to 2963 states and 5679 transitions. [2022-03-01 16:55:33,137 INFO L78 Accepts]: Start accepts. Automaton has 2963 states and 5679 transitions. Word has length 172 [2022-03-01 16:55:33,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:55:33,137 INFO L470 AbstractCegarLoop]: Abstraction has 2963 states and 5679 transitions. [2022-03-01 16:55:33,137 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:55:33,137 INFO L276 IsEmpty]: Start isEmpty. Operand 2963 states and 5679 transitions. [2022-03-01 16:55:33,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-01 16:55:33,138 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:55:33,138 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:55:33,138 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable148 [2022-03-01 16:55:33,138 INFO L402 AbstractCegarLoop]: === Iteration 150 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:55:33,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:55:33,139 INFO L85 PathProgramCache]: Analyzing trace with hash -1398625215, now seen corresponding path program 74 times [2022-03-01 16:55:33,139 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:55:33,139 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1891345178] [2022-03-01 16:55:33,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:55:33,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:55:33,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:55:33,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:55:33,511 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:55:33,511 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1891345178] [2022-03-01 16:55:33,511 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1891345178] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:55:33,512 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:55:33,512 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-03-01 16:55:33,512 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [206852160] [2022-03-01 16:55:33,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:55:33,512 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-01 16:55:33,512 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:55:33,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-01 16:55:33,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=625, Unknown=0, NotChecked=0, Total=702 [2022-03-01 16:55:33,513 INFO L87 Difference]: Start difference. First operand 2963 states and 5679 transitions. Second operand has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:55:36,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:55:36,424 INFO L93 Difference]: Finished difference Result 6033 states and 11550 transitions. [2022-03-01 16:55:36,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2022-03-01 16:55:36,424 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 172 [2022-03-01 16:55:36,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:55:36,431 INFO L225 Difference]: With dead ends: 6033 [2022-03-01 16:55:36,431 INFO L226 Difference]: Without dead ends: 6033 [2022-03-01 16:55:36,432 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 87 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2103 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=1096, Invalid=6736, Unknown=0, NotChecked=0, Total=7832 [2022-03-01 16:55:36,432 INFO L933 BasicCegarLoop]: 325 mSDtfsCounter, 1715 mSDsluCounter, 4834 mSDsCounter, 0 mSdLazyCounter, 4819 mSolverCounterSat, 254 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1715 SdHoareTripleChecker+Valid, 5152 SdHoareTripleChecker+Invalid, 5073 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 254 IncrementalHoareTripleChecker+Valid, 4819 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-03-01 16:55:36,432 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1715 Valid, 5152 Invalid, 5073 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [254 Valid, 4819 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-03-01 16:55:36,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6033 states. [2022-03-01 16:55:36,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6033 to 2960. [2022-03-01 16:55:36,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2960 states, 2948 states have (on average 1.9243554952510176) internal successors, (5673), 2959 states have internal predecessors, (5673), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:55:36,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2960 states to 2960 states and 5673 transitions. [2022-03-01 16:55:36,468 INFO L78 Accepts]: Start accepts. Automaton has 2960 states and 5673 transitions. Word has length 172 [2022-03-01 16:55:36,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:55:36,468 INFO L470 AbstractCegarLoop]: Abstraction has 2960 states and 5673 transitions. [2022-03-01 16:55:36,468 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:55:36,469 INFO L276 IsEmpty]: Start isEmpty. Operand 2960 states and 5673 transitions. [2022-03-01 16:55:36,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-01 16:55:36,470 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:55:36,470 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:55:36,470 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable149 [2022-03-01 16:55:36,470 INFO L402 AbstractCegarLoop]: === Iteration 151 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:55:36,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:55:36,470 INFO L85 PathProgramCache]: Analyzing trace with hash -1640913409, now seen corresponding path program 75 times [2022-03-01 16:55:36,470 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:55:36,470 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [240476686] [2022-03-01 16:55:36,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:55:36,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:55:36,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:55:36,821 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:55:36,821 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:55:36,821 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [240476686] [2022-03-01 16:55:36,821 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [240476686] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:55:36,821 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:55:36,821 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-01 16:55:36,821 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623681998] [2022-03-01 16:55:36,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:55:36,822 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-01 16:55:36,822 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:55:36,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-01 16:55:36,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=533, Unknown=0, NotChecked=0, Total=600 [2022-03-01 16:55:36,822 INFO L87 Difference]: Start difference. First operand 2960 states and 5673 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:55:39,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:55:39,575 INFO L93 Difference]: Finished difference Result 6134 states and 11748 transitions. [2022-03-01 16:55:39,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2022-03-01 16:55:39,575 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 172 [2022-03-01 16:55:39,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:55:39,582 INFO L225 Difference]: With dead ends: 6134 [2022-03-01 16:55:39,582 INFO L226 Difference]: Without dead ends: 6134 [2022-03-01 16:55:39,583 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2049 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=1129, Invalid=6527, Unknown=0, NotChecked=0, Total=7656 [2022-03-01 16:55:39,583 INFO L933 BasicCegarLoop]: 337 mSDtfsCounter, 1918 mSDsluCounter, 4634 mSDsCounter, 0 mSdLazyCounter, 4329 mSolverCounterSat, 302 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1918 SdHoareTripleChecker+Valid, 4967 SdHoareTripleChecker+Invalid, 4631 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 302 IncrementalHoareTripleChecker+Valid, 4329 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-03-01 16:55:39,583 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1918 Valid, 4967 Invalid, 4631 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [302 Valid, 4329 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-03-01 16:55:39,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6134 states. [2022-03-01 16:55:39,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6134 to 2962. [2022-03-01 16:55:39,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2962 states, 2950 states have (on average 1.924406779661017) internal successors, (5677), 2961 states have internal predecessors, (5677), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:55:39,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2962 states to 2962 states and 5677 transitions. [2022-03-01 16:55:39,616 INFO L78 Accepts]: Start accepts. Automaton has 2962 states and 5677 transitions. Word has length 172 [2022-03-01 16:55:39,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:55:39,617 INFO L470 AbstractCegarLoop]: Abstraction has 2962 states and 5677 transitions. [2022-03-01 16:55:39,617 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:55:39,617 INFO L276 IsEmpty]: Start isEmpty. Operand 2962 states and 5677 transitions. [2022-03-01 16:55:39,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-01 16:55:39,618 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:55:39,618 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:55:39,618 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable150 [2022-03-01 16:55:39,618 INFO L402 AbstractCegarLoop]: === Iteration 152 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:55:39,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:55:39,618 INFO L85 PathProgramCache]: Analyzing trace with hash 932348001, now seen corresponding path program 76 times [2022-03-01 16:55:39,618 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:55:39,618 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [93882459] [2022-03-01 16:55:39,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:55:39,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:55:39,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:55:39,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:55:39,984 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:55:39,984 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [93882459] [2022-03-01 16:55:39,985 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [93882459] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:55:39,985 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:55:39,985 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-03-01 16:55:39,985 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [160810082] [2022-03-01 16:55:39,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:55:39,985 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-01 16:55:39,985 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:55:39,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-01 16:55:39,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=628, Unknown=0, NotChecked=0, Total=702 [2022-03-01 16:55:39,985 INFO L87 Difference]: Start difference. First operand 2962 states and 5677 transitions. Second operand has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:55:43,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:55:43,067 INFO L93 Difference]: Finished difference Result 6121 states and 11726 transitions. [2022-03-01 16:55:43,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2022-03-01 16:55:43,067 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 172 [2022-03-01 16:55:43,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:55:43,074 INFO L225 Difference]: With dead ends: 6121 [2022-03-01 16:55:43,074 INFO L226 Difference]: Without dead ends: 6121 [2022-03-01 16:55:43,075 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 90 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2312 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=1137, Invalid=7235, Unknown=0, NotChecked=0, Total=8372 [2022-03-01 16:55:43,075 INFO L933 BasicCegarLoop]: 323 mSDtfsCounter, 1807 mSDsluCounter, 5192 mSDsCounter, 0 mSdLazyCounter, 5298 mSolverCounterSat, 281 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1807 SdHoareTripleChecker+Valid, 5508 SdHoareTripleChecker+Invalid, 5579 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 281 IncrementalHoareTripleChecker+Valid, 5298 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-03-01 16:55:43,075 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1807 Valid, 5508 Invalid, 5579 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [281 Valid, 5298 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-03-01 16:55:43,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6121 states. [2022-03-01 16:55:43,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6121 to 2957. [2022-03-01 16:55:43,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2957 states, 2945 states have (on average 1.9242784380305602) internal successors, (5667), 2956 states have internal predecessors, (5667), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:55:43,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2957 states to 2957 states and 5667 transitions. [2022-03-01 16:55:43,119 INFO L78 Accepts]: Start accepts. Automaton has 2957 states and 5667 transitions. Word has length 172 [2022-03-01 16:55:43,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:55:43,119 INFO L470 AbstractCegarLoop]: Abstraction has 2957 states and 5667 transitions. [2022-03-01 16:55:43,119 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:55:43,119 INFO L276 IsEmpty]: Start isEmpty. Operand 2957 states and 5667 transitions. [2022-03-01 16:55:43,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-01 16:55:43,120 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:55:43,120 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:55:43,120 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable151 [2022-03-01 16:55:43,121 INFO L402 AbstractCegarLoop]: === Iteration 153 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:55:43,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:55:43,121 INFO L85 PathProgramCache]: Analyzing trace with hash -626412642, now seen corresponding path program 16 times [2022-03-01 16:55:43,121 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:55:43,121 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1716401273] [2022-03-01 16:55:43,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:55:43,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:55:43,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:55:43,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:55:43,455 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:55:43,455 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1716401273] [2022-03-01 16:55:43,455 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1716401273] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:55:43,455 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:55:43,455 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-01 16:55:43,455 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788466711] [2022-03-01 16:55:43,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:55:43,455 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-01 16:55:43,455 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:55:43,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-01 16:55:43,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=529, Unknown=0, NotChecked=0, Total=600 [2022-03-01 16:55:43,456 INFO L87 Difference]: Start difference. First operand 2957 states and 5667 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:55:45,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:55:45,243 INFO L93 Difference]: Finished difference Result 4413 states and 8481 transitions. [2022-03-01 16:55:45,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2022-03-01 16:55:45,246 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 172 [2022-03-01 16:55:45,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:55:45,251 INFO L225 Difference]: With dead ends: 4413 [2022-03-01 16:55:45,251 INFO L226 Difference]: Without dead ends: 4413 [2022-03-01 16:55:45,251 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1441 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=810, Invalid=4740, Unknown=0, NotChecked=0, Total=5550 [2022-03-01 16:55:45,251 INFO L933 BasicCegarLoop]: 319 mSDtfsCounter, 1648 mSDsluCounter, 3810 mSDsCounter, 0 mSdLazyCounter, 2844 mSolverCounterSat, 119 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1648 SdHoareTripleChecker+Valid, 4126 SdHoareTripleChecker+Invalid, 2963 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 119 IncrementalHoareTripleChecker+Valid, 2844 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-03-01 16:55:45,252 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1648 Valid, 4126 Invalid, 2963 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [119 Valid, 2844 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-03-01 16:55:45,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4413 states. [2022-03-01 16:55:45,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4413 to 2989. [2022-03-01 16:55:45,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2989 states, 2977 states have (on average 1.9240846489754786) internal successors, (5728), 2988 states have internal predecessors, (5728), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:55:45,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2989 states to 2989 states and 5728 transitions. [2022-03-01 16:55:45,281 INFO L78 Accepts]: Start accepts. Automaton has 2989 states and 5728 transitions. Word has length 172 [2022-03-01 16:55:45,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:55:45,281 INFO L470 AbstractCegarLoop]: Abstraction has 2989 states and 5728 transitions. [2022-03-01 16:55:45,281 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:55:45,281 INFO L276 IsEmpty]: Start isEmpty. Operand 2989 states and 5728 transitions. [2022-03-01 16:55:45,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-01 16:55:45,282 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:55:45,282 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:55:45,282 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable152 [2022-03-01 16:55:45,282 INFO L402 AbstractCegarLoop]: === Iteration 154 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:55:45,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:55:45,282 INFO L85 PathProgramCache]: Analyzing trace with hash -1737121983, now seen corresponding path program 77 times [2022-03-01 16:55:45,283 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:55:45,283 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2127005449] [2022-03-01 16:55:45,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:55:45,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:55:45,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:55:45,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:55:45,641 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:55:45,642 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2127005449] [2022-03-01 16:55:45,642 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2127005449] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:55:45,642 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:55:45,642 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-03-01 16:55:45,642 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822693731] [2022-03-01 16:55:45,642 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:55:45,642 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-01 16:55:45,642 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:55:45,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-01 16:55:45,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=627, Unknown=0, NotChecked=0, Total=702 [2022-03-01 16:55:45,642 INFO L87 Difference]: Start difference. First operand 2989 states and 5728 transitions. Second operand has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:55:48,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:55:48,418 INFO L93 Difference]: Finished difference Result 5099 states and 9773 transitions. [2022-03-01 16:55:48,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2022-03-01 16:55:48,419 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 172 [2022-03-01 16:55:48,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:55:48,424 INFO L225 Difference]: With dead ends: 5099 [2022-03-01 16:55:48,424 INFO L226 Difference]: Without dead ends: 5099 [2022-03-01 16:55:48,425 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1900 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=938, Invalid=6202, Unknown=0, NotChecked=0, Total=7140 [2022-03-01 16:55:48,425 INFO L933 BasicCegarLoop]: 329 mSDtfsCounter, 1955 mSDsluCounter, 4828 mSDsCounter, 0 mSdLazyCounter, 4918 mSolverCounterSat, 210 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1955 SdHoareTripleChecker+Valid, 5150 SdHoareTripleChecker+Invalid, 5128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 210 IncrementalHoareTripleChecker+Valid, 4918 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-03-01 16:55:48,425 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1955 Valid, 5150 Invalid, 5128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [210 Valid, 4918 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-03-01 16:55:48,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5099 states. [2022-03-01 16:55:48,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5099 to 2941. [2022-03-01 16:55:48,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2941 states, 2929 states have (on average 1.9228405599180607) internal successors, (5632), 2940 states have internal predecessors, (5632), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:55:48,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2941 states to 2941 states and 5632 transitions. [2022-03-01 16:55:48,456 INFO L78 Accepts]: Start accepts. Automaton has 2941 states and 5632 transitions. Word has length 172 [2022-03-01 16:55:48,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:55:48,457 INFO L470 AbstractCegarLoop]: Abstraction has 2941 states and 5632 transitions. [2022-03-01 16:55:48,457 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:55:48,457 INFO L276 IsEmpty]: Start isEmpty. Operand 2941 states and 5632 transitions. [2022-03-01 16:55:48,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-01 16:55:48,458 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:55:48,458 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:55:48,458 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable153 [2022-03-01 16:55:48,458 INFO L402 AbstractCegarLoop]: === Iteration 155 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:55:48,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:55:48,458 INFO L85 PathProgramCache]: Analyzing trace with hash -550902335, now seen corresponding path program 78 times [2022-03-01 16:55:48,458 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:55:48,458 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1552640638] [2022-03-01 16:55:48,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:55:48,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:55:48,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:55:48,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:55:48,855 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:55:48,855 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1552640638] [2022-03-01 16:55:48,855 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1552640638] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:55:48,855 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:55:48,855 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-03-01 16:55:48,855 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943885045] [2022-03-01 16:55:48,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:55:48,855 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-01 16:55:48,855 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:55:48,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-01 16:55:48,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=626, Unknown=0, NotChecked=0, Total=702 [2022-03-01 16:55:48,856 INFO L87 Difference]: Start difference. First operand 2941 states and 5632 transitions. Second operand has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:55:52,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:55:52,060 INFO L93 Difference]: Finished difference Result 5750 states and 11000 transitions. [2022-03-01 16:55:52,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2022-03-01 16:55:52,061 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 172 [2022-03-01 16:55:52,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:55:52,066 INFO L225 Difference]: With dead ends: 5750 [2022-03-01 16:55:52,066 INFO L226 Difference]: Without dead ends: 5750 [2022-03-01 16:55:52,067 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2011 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=996, Invalid=6486, Unknown=0, NotChecked=0, Total=7482 [2022-03-01 16:55:52,067 INFO L933 BasicCegarLoop]: 386 mSDtfsCounter, 1927 mSDsluCounter, 5970 mSDsCounter, 0 mSdLazyCounter, 6059 mSolverCounterSat, 227 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1927 SdHoareTripleChecker+Valid, 6349 SdHoareTripleChecker+Invalid, 6286 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 227 IncrementalHoareTripleChecker+Valid, 6059 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-03-01 16:55:52,067 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1927 Valid, 6349 Invalid, 6286 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [227 Valid, 6059 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-03-01 16:55:52,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5750 states. [2022-03-01 16:55:52,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5750 to 2937. [2022-03-01 16:55:52,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2937 states, 2925 states have (on average 1.9227350427350427) internal successors, (5624), 2936 states have internal predecessors, (5624), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:55:52,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2937 states to 2937 states and 5624 transitions. [2022-03-01 16:55:52,106 INFO L78 Accepts]: Start accepts. Automaton has 2937 states and 5624 transitions. Word has length 172 [2022-03-01 16:55:52,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:55:52,106 INFO L470 AbstractCegarLoop]: Abstraction has 2937 states and 5624 transitions. [2022-03-01 16:55:52,106 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:55:52,106 INFO L276 IsEmpty]: Start isEmpty. Operand 2937 states and 5624 transitions. [2022-03-01 16:55:52,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-01 16:55:52,107 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:55:52,107 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:55:52,107 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable154 [2022-03-01 16:55:52,107 INFO L402 AbstractCegarLoop]: === Iteration 156 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:55:52,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:55:52,107 INFO L85 PathProgramCache]: Analyzing trace with hash 385160357, now seen corresponding path program 79 times [2022-03-01 16:55:52,107 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:55:52,108 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1598742091] [2022-03-01 16:55:52,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:55:52,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:55:52,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:55:52,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:55:52,469 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:55:52,469 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1598742091] [2022-03-01 16:55:52,469 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1598742091] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:55:52,469 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:55:52,469 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-03-01 16:55:52,469 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146447271] [2022-03-01 16:55:52,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:55:52,469 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-01 16:55:52,469 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:55:52,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-01 16:55:52,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=628, Unknown=0, NotChecked=0, Total=702 [2022-03-01 16:55:52,470 INFO L87 Difference]: Start difference. First operand 2937 states and 5624 transitions. Second operand has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:55:55,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:55:55,222 INFO L93 Difference]: Finished difference Result 5714 states and 10928 transitions. [2022-03-01 16:55:55,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2022-03-01 16:55:55,222 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 172 [2022-03-01 16:55:55,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:55:55,228 INFO L225 Difference]: With dead ends: 5714 [2022-03-01 16:55:55,228 INFO L226 Difference]: Without dead ends: 5714 [2022-03-01 16:55:55,229 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 87 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2142 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=1027, Invalid=6805, Unknown=0, NotChecked=0, Total=7832 [2022-03-01 16:55:55,229 INFO L933 BasicCegarLoop]: 404 mSDtfsCounter, 1919 mSDsluCounter, 4750 mSDsCounter, 0 mSdLazyCounter, 4686 mSolverCounterSat, 267 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1919 SdHoareTripleChecker+Valid, 5148 SdHoareTripleChecker+Invalid, 4953 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 267 IncrementalHoareTripleChecker+Valid, 4686 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-03-01 16:55:55,229 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1919 Valid, 5148 Invalid, 4953 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [267 Valid, 4686 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-03-01 16:55:55,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5714 states. [2022-03-01 16:55:55,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5714 to 2881. [2022-03-01 16:55:55,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2881 states, 2869 states have (on average 1.9212269083304288) internal successors, (5512), 2880 states have internal predecessors, (5512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:55:55,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2881 states to 2881 states and 5512 transitions. [2022-03-01 16:55:55,262 INFO L78 Accepts]: Start accepts. Automaton has 2881 states and 5512 transitions. Word has length 172 [2022-03-01 16:55:55,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:55:55,263 INFO L470 AbstractCegarLoop]: Abstraction has 2881 states and 5512 transitions. [2022-03-01 16:55:55,263 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:55:55,263 INFO L276 IsEmpty]: Start isEmpty. Operand 2881 states and 5512 transitions. [2022-03-01 16:55:55,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-01 16:55:55,264 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:55:55,264 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:55:55,264 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable155 [2022-03-01 16:55:55,264 INFO L402 AbstractCegarLoop]: === Iteration 157 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:55:55,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:55:55,264 INFO L85 PathProgramCache]: Analyzing trace with hash -1627222496, now seen corresponding path program 17 times [2022-03-01 16:55:55,264 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:55:55,264 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1136076762] [2022-03-01 16:55:55,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:55:55,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:55:55,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:55:55,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:55:55,786 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:55:55,786 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1136076762] [2022-03-01 16:55:55,786 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1136076762] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:55:55,786 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:55:55,786 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-01 16:55:55,786 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440905987] [2022-03-01 16:55:55,786 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:55:55,786 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-01 16:55:55,787 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:55:55,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-01 16:55:55,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=528, Unknown=0, NotChecked=0, Total=600 [2022-03-01 16:55:55,787 INFO L87 Difference]: Start difference. First operand 2881 states and 5512 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:55:57,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:55:57,926 INFO L93 Difference]: Finished difference Result 4691 states and 9057 transitions. [2022-03-01 16:55:57,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2022-03-01 16:55:57,927 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 172 [2022-03-01 16:55:57,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:55:57,932 INFO L225 Difference]: With dead ends: 4691 [2022-03-01 16:55:57,932 INFO L226 Difference]: Without dead ends: 4691 [2022-03-01 16:55:57,932 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1606 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=919, Invalid=4933, Unknown=0, NotChecked=0, Total=5852 [2022-03-01 16:55:57,933 INFO L933 BasicCegarLoop]: 278 mSDtfsCounter, 1834 mSDsluCounter, 3273 mSDsCounter, 0 mSdLazyCounter, 2266 mSolverCounterSat, 180 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1834 SdHoareTripleChecker+Valid, 3548 SdHoareTripleChecker+Invalid, 2446 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 180 IncrementalHoareTripleChecker+Valid, 2266 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-03-01 16:55:57,933 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1834 Valid, 3548 Invalid, 2446 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [180 Valid, 2266 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-03-01 16:55:57,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4691 states. [2022-03-01 16:55:57,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4691 to 2949. [2022-03-01 16:55:57,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2949 states, 2937 states have (on average 1.923050732039496) internal successors, (5648), 2948 states have internal predecessors, (5648), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:55:57,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2949 states to 2949 states and 5648 transitions. [2022-03-01 16:55:57,966 INFO L78 Accepts]: Start accepts. Automaton has 2949 states and 5648 transitions. Word has length 172 [2022-03-01 16:55:57,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:55:57,966 INFO L470 AbstractCegarLoop]: Abstraction has 2949 states and 5648 transitions. [2022-03-01 16:55:57,966 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:55:57,966 INFO L276 IsEmpty]: Start isEmpty. Operand 2949 states and 5648 transitions. [2022-03-01 16:55:57,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-01 16:55:57,967 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:55:57,968 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:55:57,968 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable156 [2022-03-01 16:55:57,968 INFO L402 AbstractCegarLoop]: === Iteration 158 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:55:57,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:55:57,968 INFO L85 PathProgramCache]: Analyzing trace with hash 414826042, now seen corresponding path program 18 times [2022-03-01 16:55:57,968 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:55:57,968 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1010377833] [2022-03-01 16:55:57,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:55:57,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:55:58,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:55:58,440 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:55:58,440 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:55:58,440 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1010377833] [2022-03-01 16:55:58,440 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1010377833] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:55:58,440 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:55:58,440 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-03-01 16:55:58,440 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [160213955] [2022-03-01 16:55:58,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:55:58,440 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-01 16:55:58,440 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:55:58,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-01 16:55:58,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=627, Unknown=0, NotChecked=0, Total=702 [2022-03-01 16:55:58,441 INFO L87 Difference]: Start difference. First operand 2949 states and 5648 transitions. Second operand has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:56:00,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:56:00,971 INFO L93 Difference]: Finished difference Result 4735 states and 9143 transitions. [2022-03-01 16:56:00,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2022-03-01 16:56:00,972 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 172 [2022-03-01 16:56:00,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:56:00,977 INFO L225 Difference]: With dead ends: 4735 [2022-03-01 16:56:00,977 INFO L226 Difference]: Without dead ends: 4735 [2022-03-01 16:56:00,977 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2133 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=1023, Invalid=6287, Unknown=0, NotChecked=0, Total=7310 [2022-03-01 16:56:00,978 INFO L933 BasicCegarLoop]: 273 mSDtfsCounter, 1897 mSDsluCounter, 4441 mSDsCounter, 0 mSdLazyCounter, 3583 mSolverCounterSat, 205 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1897 SdHoareTripleChecker+Valid, 4709 SdHoareTripleChecker+Invalid, 3788 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 205 IncrementalHoareTripleChecker+Valid, 3583 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:56:00,978 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1897 Valid, 4709 Invalid, 3788 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [205 Valid, 3583 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-03-01 16:56:00,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4735 states. [2022-03-01 16:56:01,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4735 to 2960. [2022-03-01 16:56:01,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2960 states, 2948 states have (on average 1.9233378561736771) internal successors, (5670), 2959 states have internal predecessors, (5670), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:56:01,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2960 states to 2960 states and 5670 transitions. [2022-03-01 16:56:01,005 INFO L78 Accepts]: Start accepts. Automaton has 2960 states and 5670 transitions. Word has length 172 [2022-03-01 16:56:01,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:56:01,005 INFO L470 AbstractCegarLoop]: Abstraction has 2960 states and 5670 transitions. [2022-03-01 16:56:01,005 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:56:01,006 INFO L276 IsEmpty]: Start isEmpty. Operand 2960 states and 5670 transitions. [2022-03-01 16:56:01,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-01 16:56:01,007 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:56:01,007 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:56:01,007 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable157 [2022-03-01 16:56:01,007 INFO L402 AbstractCegarLoop]: === Iteration 159 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:56:01,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:56:01,007 INFO L85 PathProgramCache]: Analyzing trace with hash -434128992, now seen corresponding path program 19 times [2022-03-01 16:56:01,007 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:56:01,007 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [263900456] [2022-03-01 16:56:01,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:56:01,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:56:01,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:56:01,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:56:01,437 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:56:01,437 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [263900456] [2022-03-01 16:56:01,437 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [263900456] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:56:01,437 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:56:01,437 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-01 16:56:01,437 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1643203957] [2022-03-01 16:56:01,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:56:01,437 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-01 16:56:01,438 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:56:01,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-01 16:56:01,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=534, Unknown=0, NotChecked=0, Total=600 [2022-03-01 16:56:01,438 INFO L87 Difference]: Start difference. First operand 2960 states and 5670 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:56:03,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:56:03,843 INFO L93 Difference]: Finished difference Result 4776 states and 9223 transitions. [2022-03-01 16:56:03,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2022-03-01 16:56:03,844 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 172 [2022-03-01 16:56:03,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:56:03,849 INFO L225 Difference]: With dead ends: 4776 [2022-03-01 16:56:03,849 INFO L226 Difference]: Without dead ends: 4776 [2022-03-01 16:56:03,849 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1973 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=991, Invalid=5815, Unknown=0, NotChecked=0, Total=6806 [2022-03-01 16:56:03,850 INFO L933 BasicCegarLoop]: 295 mSDtfsCounter, 1697 mSDsluCounter, 4510 mSDsCounter, 0 mSdLazyCounter, 3316 mSolverCounterSat, 222 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1697 SdHoareTripleChecker+Valid, 4802 SdHoareTripleChecker+Invalid, 3538 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 222 IncrementalHoareTripleChecker+Valid, 3316 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:56:03,850 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1697 Valid, 4802 Invalid, 3538 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [222 Valid, 3316 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-03-01 16:56:03,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4776 states. [2022-03-01 16:56:03,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4776 to 2971. [2022-03-01 16:56:03,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2971 states, 2959 states have (on average 1.923622845555931) internal successors, (5692), 2970 states have internal predecessors, (5692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:56:03,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2971 states to 2971 states and 5692 transitions. [2022-03-01 16:56:03,881 INFO L78 Accepts]: Start accepts. Automaton has 2971 states and 5692 transitions. Word has length 172 [2022-03-01 16:56:03,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:56:03,881 INFO L470 AbstractCegarLoop]: Abstraction has 2971 states and 5692 transitions. [2022-03-01 16:56:03,881 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:56:03,881 INFO L276 IsEmpty]: Start isEmpty. Operand 2971 states and 5692 transitions. [2022-03-01 16:56:03,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-01 16:56:03,882 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:56:03,882 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:56:03,882 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable158 [2022-03-01 16:56:03,883 INFO L402 AbstractCegarLoop]: === Iteration 160 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:56:03,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:56:03,883 INFO L85 PathProgramCache]: Analyzing trace with hash -1303963428, now seen corresponding path program 20 times [2022-03-01 16:56:03,883 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:56:03,883 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [653452431] [2022-03-01 16:56:03,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:56:03,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:56:03,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:56:04,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:56:04,284 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:56:04,284 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [653452431] [2022-03-01 16:56:04,284 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [653452431] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:56:04,284 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:56:04,284 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-01 16:56:04,284 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38160626] [2022-03-01 16:56:04,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:56:04,284 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-01 16:56:04,284 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:56:04,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-01 16:56:04,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=533, Unknown=0, NotChecked=0, Total=600 [2022-03-01 16:56:04,285 INFO L87 Difference]: Start difference. First operand 2971 states and 5692 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:56:06,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:56:06,654 INFO L93 Difference]: Finished difference Result 4820 states and 9309 transitions. [2022-03-01 16:56:06,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2022-03-01 16:56:06,655 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 172 [2022-03-01 16:56:06,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:56:06,660 INFO L225 Difference]: With dead ends: 4820 [2022-03-01 16:56:06,660 INFO L226 Difference]: Without dead ends: 4820 [2022-03-01 16:56:06,661 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2108 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=1015, Invalid=6125, Unknown=0, NotChecked=0, Total=7140 [2022-03-01 16:56:06,661 INFO L933 BasicCegarLoop]: 303 mSDtfsCounter, 2024 mSDsluCounter, 4054 mSDsCounter, 0 mSdLazyCounter, 3226 mSolverCounterSat, 277 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2024 SdHoareTripleChecker+Valid, 4354 SdHoareTripleChecker+Invalid, 3503 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 277 IncrementalHoareTripleChecker+Valid, 3226 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-03-01 16:56:06,661 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2024 Valid, 4354 Invalid, 3503 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [277 Valid, 3226 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-03-01 16:56:06,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4820 states. [2022-03-01 16:56:06,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4820 to 2982. [2022-03-01 16:56:06,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2982 states, 2970 states have (on average 1.923905723905724) internal successors, (5714), 2981 states have internal predecessors, (5714), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:56:06,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2982 states to 2982 states and 5714 transitions. [2022-03-01 16:56:06,693 INFO L78 Accepts]: Start accepts. Automaton has 2982 states and 5714 transitions. Word has length 172 [2022-03-01 16:56:06,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:56:06,693 INFO L470 AbstractCegarLoop]: Abstraction has 2982 states and 5714 transitions. [2022-03-01 16:56:06,693 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:56:06,693 INFO L276 IsEmpty]: Start isEmpty. Operand 2982 states and 5714 transitions. [2022-03-01 16:56:06,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-01 16:56:06,694 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:56:06,694 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:56:06,695 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable159 [2022-03-01 16:56:06,695 INFO L402 AbstractCegarLoop]: === Iteration 161 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:56:06,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:56:06,695 INFO L85 PathProgramCache]: Analyzing trace with hash 402877822, now seen corresponding path program 21 times [2022-03-01 16:56:06,695 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:56:06,695 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1586248765] [2022-03-01 16:56:06,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:56:06,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:56:06,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:56:07,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:56:07,095 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:56:07,095 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1586248765] [2022-03-01 16:56:07,095 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1586248765] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:56:07,095 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:56:07,095 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-03-01 16:56:07,095 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417391938] [2022-03-01 16:56:07,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:56:07,096 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-01 16:56:07,096 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:56:07,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-01 16:56:07,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=623, Unknown=0, NotChecked=0, Total=702 [2022-03-01 16:56:07,096 INFO L87 Difference]: Start difference. First operand 2982 states and 5714 transitions. Second operand has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:56:09,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:56:09,301 INFO L93 Difference]: Finished difference Result 5176 states and 9981 transitions. [2022-03-01 16:56:09,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2022-03-01 16:56:09,301 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 172 [2022-03-01 16:56:09,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:56:09,306 INFO L225 Difference]: With dead ends: 5176 [2022-03-01 16:56:09,306 INFO L226 Difference]: Without dead ends: 5176 [2022-03-01 16:56:09,306 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1825 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=816, Invalid=5990, Unknown=0, NotChecked=0, Total=6806 [2022-03-01 16:56:09,306 INFO L933 BasicCegarLoop]: 337 mSDtfsCounter, 1878 mSDsluCounter, 4841 mSDsCounter, 0 mSdLazyCounter, 3878 mSolverCounterSat, 122 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1878 SdHoareTripleChecker+Valid, 5173 SdHoareTripleChecker+Invalid, 4000 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 122 IncrementalHoareTripleChecker+Valid, 3878 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:56:09,306 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1878 Valid, 5173 Invalid, 4000 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [122 Valid, 3878 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-03-01 16:56:09,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5176 states. [2022-03-01 16:56:09,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5176 to 3013. [2022-03-01 16:56:09,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3013 states, 3001 states have (on average 1.9246917694101966) internal successors, (5776), 3012 states have internal predecessors, (5776), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:56:09,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3013 states to 3013 states and 5776 transitions. [2022-03-01 16:56:09,333 INFO L78 Accepts]: Start accepts. Automaton has 3013 states and 5776 transitions. Word has length 172 [2022-03-01 16:56:09,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:56:09,333 INFO L470 AbstractCegarLoop]: Abstraction has 3013 states and 5776 transitions. [2022-03-01 16:56:09,333 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:56:09,333 INFO L276 IsEmpty]: Start isEmpty. Operand 3013 states and 5776 transitions. [2022-03-01 16:56:09,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-01 16:56:09,334 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:56:09,334 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:56:09,334 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable160 [2022-03-01 16:56:09,334 INFO L402 AbstractCegarLoop]: === Iteration 162 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:56:09,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:56:09,335 INFO L85 PathProgramCache]: Analyzing trace with hash 775721539, now seen corresponding path program 80 times [2022-03-01 16:56:09,335 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:56:09,335 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [243648474] [2022-03-01 16:56:09,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:56:09,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:56:09,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:56:09,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:56:09,656 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:56:09,656 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [243648474] [2022-03-01 16:56:09,656 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [243648474] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:56:09,656 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:56:09,656 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-01 16:56:09,656 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [508331548] [2022-03-01 16:56:09,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:56:09,656 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-01 16:56:09,656 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:56:09,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-01 16:56:09,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=533, Unknown=0, NotChecked=0, Total=600 [2022-03-01 16:56:09,657 INFO L87 Difference]: Start difference. First operand 3013 states and 5776 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:56:12,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:56:12,221 INFO L93 Difference]: Finished difference Result 5538 states and 10630 transitions. [2022-03-01 16:56:12,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2022-03-01 16:56:12,222 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 172 [2022-03-01 16:56:12,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:56:12,228 INFO L225 Difference]: With dead ends: 5538 [2022-03-01 16:56:12,228 INFO L226 Difference]: Without dead ends: 5538 [2022-03-01 16:56:12,229 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1611 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=851, Invalid=5469, Unknown=0, NotChecked=0, Total=6320 [2022-03-01 16:56:12,229 INFO L933 BasicCegarLoop]: 395 mSDtfsCounter, 2114 mSDsluCounter, 4987 mSDsCounter, 0 mSdLazyCounter, 4500 mSolverCounterSat, 200 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2114 SdHoareTripleChecker+Valid, 5377 SdHoareTripleChecker+Invalid, 4700 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 200 IncrementalHoareTripleChecker+Valid, 4500 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-03-01 16:56:12,229 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2114 Valid, 5377 Invalid, 4700 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [200 Valid, 4500 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-03-01 16:56:12,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5538 states. [2022-03-01 16:56:12,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5538 to 2893. [2022-03-01 16:56:12,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2893 states, 2881 states have (on average 1.9215550156195766) internal successors, (5536), 2892 states have internal predecessors, (5536), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:56:12,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2893 states to 2893 states and 5536 transitions. [2022-03-01 16:56:12,267 INFO L78 Accepts]: Start accepts. Automaton has 2893 states and 5536 transitions. Word has length 172 [2022-03-01 16:56:12,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:56:12,267 INFO L470 AbstractCegarLoop]: Abstraction has 2893 states and 5536 transitions. [2022-03-01 16:56:12,267 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:56:12,267 INFO L276 IsEmpty]: Start isEmpty. Operand 2893 states and 5536 transitions. [2022-03-01 16:56:12,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-01 16:56:12,269 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:56:12,269 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:56:12,269 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable161 [2022-03-01 16:56:12,269 INFO L402 AbstractCegarLoop]: === Iteration 163 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:56:12,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:56:12,269 INFO L85 PathProgramCache]: Analyzing trace with hash -384545316, now seen corresponding path program 22 times [2022-03-01 16:56:12,269 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:56:12,269 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1572834357] [2022-03-01 16:56:12,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:56:12,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:56:12,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:56:12,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:56:12,651 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:56:12,651 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1572834357] [2022-03-01 16:56:12,651 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1572834357] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:56:12,651 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:56:12,651 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-03-01 16:56:12,651 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500379449] [2022-03-01 16:56:12,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:56:12,652 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-01 16:56:12,652 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:56:12,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-01 16:56:12,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=623, Unknown=0, NotChecked=0, Total=702 [2022-03-01 16:56:12,652 INFO L87 Difference]: Start difference. First operand 2893 states and 5536 transitions. Second operand has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:56:15,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:56:15,066 INFO L93 Difference]: Finished difference Result 6120 states and 11790 transitions. [2022-03-01 16:56:15,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2022-03-01 16:56:15,067 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 172 [2022-03-01 16:56:15,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:56:15,074 INFO L225 Difference]: With dead ends: 6120 [2022-03-01 16:56:15,075 INFO L226 Difference]: Without dead ends: 6120 [2022-03-01 16:56:15,076 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2641 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=974, Invalid=7956, Unknown=0, NotChecked=0, Total=8930 [2022-03-01 16:56:15,076 INFO L933 BasicCegarLoop]: 410 mSDtfsCounter, 1915 mSDsluCounter, 5475 mSDsCounter, 0 mSdLazyCounter, 3723 mSolverCounterSat, 116 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1915 SdHoareTripleChecker+Valid, 5880 SdHoareTripleChecker+Invalid, 3839 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 116 IncrementalHoareTripleChecker+Valid, 3723 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:56:15,076 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1915 Valid, 5880 Invalid, 3839 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [116 Valid, 3723 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-03-01 16:56:15,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6120 states. [2022-03-01 16:56:15,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6120 to 2979. [2022-03-01 16:56:15,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2979 states, 2967 states have (on average 1.9238287832827772) internal successors, (5708), 2978 states have internal predecessors, (5708), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:56:15,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2979 states to 2979 states and 5708 transitions. [2022-03-01 16:56:15,119 INFO L78 Accepts]: Start accepts. Automaton has 2979 states and 5708 transitions. Word has length 172 [2022-03-01 16:56:15,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:56:15,119 INFO L470 AbstractCegarLoop]: Abstraction has 2979 states and 5708 transitions. [2022-03-01 16:56:15,119 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:56:15,119 INFO L276 IsEmpty]: Start isEmpty. Operand 2979 states and 5708 transitions. [2022-03-01 16:56:15,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-01 16:56:15,120 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:56:15,120 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:56:15,120 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable162 [2022-03-01 16:56:15,121 INFO L402 AbstractCegarLoop]: === Iteration 164 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:56:15,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:56:15,121 INFO L85 PathProgramCache]: Analyzing trace with hash -11701599, now seen corresponding path program 81 times [2022-03-01 16:56:15,121 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:56:15,121 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1059780037] [2022-03-01 16:56:15,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:56:15,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:56:15,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:56:15,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:56:15,500 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:56:15,500 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1059780037] [2022-03-01 16:56:15,500 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1059780037] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:56:15,500 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:56:15,500 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-03-01 16:56:15,500 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442478149] [2022-03-01 16:56:15,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:56:15,500 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-01 16:56:15,500 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:56:15,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-01 16:56:15,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=627, Unknown=0, NotChecked=0, Total=702 [2022-03-01 16:56:15,501 INFO L87 Difference]: Start difference. First operand 2979 states and 5708 transitions. Second operand has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:56:18,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:56:18,900 INFO L93 Difference]: Finished difference Result 7197 states and 13807 transitions. [2022-03-01 16:56:18,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2022-03-01 16:56:18,900 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 172 [2022-03-01 16:56:18,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:56:18,909 INFO L225 Difference]: With dead ends: 7197 [2022-03-01 16:56:18,909 INFO L226 Difference]: Without dead ends: 7197 [2022-03-01 16:56:18,909 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2436 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=1023, Invalid=7533, Unknown=0, NotChecked=0, Total=8556 [2022-03-01 16:56:18,910 INFO L933 BasicCegarLoop]: 455 mSDtfsCounter, 2060 mSDsluCounter, 7208 mSDsCounter, 0 mSdLazyCounter, 6212 mSolverCounterSat, 212 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2060 SdHoareTripleChecker+Valid, 7656 SdHoareTripleChecker+Invalid, 6424 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 212 IncrementalHoareTripleChecker+Valid, 6212 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-03-01 16:56:18,910 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2060 Valid, 7656 Invalid, 6424 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [212 Valid, 6212 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-03-01 16:56:18,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7197 states. [2022-03-01 16:56:18,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7197 to 2931. [2022-03-01 16:56:18,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2931 states, 2919 states have (on average 1.9225762247344982) internal successors, (5612), 2930 states have internal predecessors, (5612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:56:18,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2931 states to 2931 states and 5612 transitions. [2022-03-01 16:56:18,952 INFO L78 Accepts]: Start accepts. Automaton has 2931 states and 5612 transitions. Word has length 172 [2022-03-01 16:56:18,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:56:18,952 INFO L470 AbstractCegarLoop]: Abstraction has 2931 states and 5612 transitions. [2022-03-01 16:56:18,952 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:56:18,952 INFO L276 IsEmpty]: Start isEmpty. Operand 2931 states and 5612 transitions. [2022-03-01 16:56:18,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-01 16:56:18,953 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:56:18,953 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:56:18,953 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable163 [2022-03-01 16:56:18,953 INFO L402 AbstractCegarLoop]: === Iteration 165 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:56:18,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:56:18,954 INFO L85 PathProgramCache]: Analyzing trace with hash -437407421, now seen corresponding path program 82 times [2022-03-01 16:56:18,954 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:56:18,954 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903580883] [2022-03-01 16:56:18,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:56:18,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:56:18,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:56:19,286 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:56:19,286 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:56:19,286 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [903580883] [2022-03-01 16:56:19,286 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [903580883] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:56:19,286 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:56:19,286 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-01 16:56:19,286 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1795073768] [2022-03-01 16:56:19,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:56:19,287 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-01 16:56:19,287 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:56:19,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-01 16:56:19,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=532, Unknown=0, NotChecked=0, Total=600 [2022-03-01 16:56:19,287 INFO L87 Difference]: Start difference. First operand 2931 states and 5612 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:56:22,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:56:22,110 INFO L93 Difference]: Finished difference Result 6553 states and 12583 transitions. [2022-03-01 16:56:22,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2022-03-01 16:56:22,110 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 172 [2022-03-01 16:56:22,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:56:22,120 INFO L225 Difference]: With dead ends: 6553 [2022-03-01 16:56:22,120 INFO L226 Difference]: Without dead ends: 6553 [2022-03-01 16:56:22,120 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1992 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=993, Invalid=6489, Unknown=0, NotChecked=0, Total=7482 [2022-03-01 16:56:22,120 INFO L933 BasicCegarLoop]: 480 mSDtfsCounter, 2053 mSDsluCounter, 5277 mSDsCounter, 0 mSdLazyCounter, 4523 mSolverCounterSat, 265 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2053 SdHoareTripleChecker+Valid, 5752 SdHoareTripleChecker+Invalid, 4788 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 265 IncrementalHoareTripleChecker+Valid, 4523 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-03-01 16:56:22,120 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2053 Valid, 5752 Invalid, 4788 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [265 Valid, 4523 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-03-01 16:56:22,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6553 states. [2022-03-01 16:56:22,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6553 to 2927. [2022-03-01 16:56:22,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2927 states, 2915 states have (on average 1.9224699828473413) internal successors, (5604), 2926 states have internal predecessors, (5604), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:56:22,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2927 states to 2927 states and 5604 transitions. [2022-03-01 16:56:22,166 INFO L78 Accepts]: Start accepts. Automaton has 2927 states and 5604 transitions. Word has length 172 [2022-03-01 16:56:22,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:56:22,166 INFO L470 AbstractCegarLoop]: Abstraction has 2927 states and 5604 transitions. [2022-03-01 16:56:22,167 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:56:22,167 INFO L276 IsEmpty]: Start isEmpty. Operand 2927 states and 5604 transitions. [2022-03-01 16:56:22,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-01 16:56:22,168 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:56:22,168 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:56:22,168 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable164 [2022-03-01 16:56:22,168 INFO L402 AbstractCegarLoop]: === Iteration 166 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:56:22,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:56:22,168 INFO L85 PathProgramCache]: Analyzing trace with hash 498655271, now seen corresponding path program 83 times [2022-03-01 16:56:22,168 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:56:22,168 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [295320071] [2022-03-01 16:56:22,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:56:22,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:56:22,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:56:22,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:56:22,537 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:56:22,537 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [295320071] [2022-03-01 16:56:22,537 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [295320071] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:56:22,537 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:56:22,537 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-03-01 16:56:22,537 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504970503] [2022-03-01 16:56:22,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:56:22,538 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-01 16:56:22,538 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:56:22,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-01 16:56:22,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=628, Unknown=0, NotChecked=0, Total=702 [2022-03-01 16:56:22,538 INFO L87 Difference]: Start difference. First operand 2927 states and 5604 transitions. Second operand has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:56:25,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:56:25,945 INFO L93 Difference]: Finished difference Result 6517 states and 12511 transitions. [2022-03-01 16:56:25,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2022-03-01 16:56:25,946 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 172 [2022-03-01 16:56:25,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:56:25,956 INFO L225 Difference]: With dead ends: 6517 [2022-03-01 16:56:25,956 INFO L226 Difference]: Without dead ends: 6517 [2022-03-01 16:56:25,956 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2458 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=1059, Invalid=7683, Unknown=0, NotChecked=0, Total=8742 [2022-03-01 16:56:25,957 INFO L933 BasicCegarLoop]: 485 mSDtfsCounter, 2137 mSDsluCounter, 6601 mSDsCounter, 0 mSdLazyCounter, 6060 mSolverCounterSat, 292 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2137 SdHoareTripleChecker+Valid, 7080 SdHoareTripleChecker+Invalid, 6352 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 292 IncrementalHoareTripleChecker+Valid, 6060 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-03-01 16:56:25,957 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2137 Valid, 7080 Invalid, 6352 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [292 Valid, 6060 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-03-01 16:56:25,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6517 states. [2022-03-01 16:56:25,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6517 to 2881. [2022-03-01 16:56:26,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2881 states, 2869 states have (on average 1.9212269083304288) internal successors, (5512), 2880 states have internal predecessors, (5512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:56:26,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2881 states to 2881 states and 5512 transitions. [2022-03-01 16:56:26,004 INFO L78 Accepts]: Start accepts. Automaton has 2881 states and 5512 transitions. Word has length 172 [2022-03-01 16:56:26,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:56:26,004 INFO L470 AbstractCegarLoop]: Abstraction has 2881 states and 5512 transitions. [2022-03-01 16:56:26,004 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:56:26,004 INFO L276 IsEmpty]: Start isEmpty. Operand 2881 states and 5512 transitions. [2022-03-01 16:56:26,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-01 16:56:26,005 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:56:26,005 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:56:26,005 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable165 [2022-03-01 16:56:26,005 INFO L402 AbstractCegarLoop]: === Iteration 167 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:56:26,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:56:26,005 INFO L85 PathProgramCache]: Analyzing trace with hash -750038406, now seen corresponding path program 23 times [2022-03-01 16:56:26,005 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:56:26,006 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1252978031] [2022-03-01 16:56:26,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:56:26,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:56:26,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:56:26,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:56:26,403 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:56:26,403 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1252978031] [2022-03-01 16:56:26,403 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1252978031] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:56:26,403 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:56:26,403 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-03-01 16:56:26,403 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1963227957] [2022-03-01 16:56:26,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:56:26,403 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-01 16:56:26,403 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:56:26,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-01 16:56:26,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=623, Unknown=0, NotChecked=0, Total=702 [2022-03-01 16:56:26,404 INFO L87 Difference]: Start difference. First operand 2881 states and 5512 transitions. Second operand has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:56:28,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:56:28,840 INFO L93 Difference]: Finished difference Result 6142 states and 11836 transitions. [2022-03-01 16:56:28,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2022-03-01 16:56:28,840 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 172 [2022-03-01 16:56:28,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:56:28,848 INFO L225 Difference]: With dead ends: 6142 [2022-03-01 16:56:28,848 INFO L226 Difference]: Without dead ends: 6142 [2022-03-01 16:56:28,848 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2510 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=959, Invalid=7597, Unknown=0, NotChecked=0, Total=8556 [2022-03-01 16:56:28,849 INFO L933 BasicCegarLoop]: 424 mSDtfsCounter, 1835 mSDsluCounter, 5821 mSDsCounter, 0 mSdLazyCounter, 3945 mSolverCounterSat, 122 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1835 SdHoareTripleChecker+Valid, 6240 SdHoareTripleChecker+Invalid, 4067 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 122 IncrementalHoareTripleChecker+Valid, 3945 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:56:28,849 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1835 Valid, 6240 Invalid, 4067 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [122 Valid, 3945 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-03-01 16:56:28,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6142 states. [2022-03-01 16:56:28,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6142 to 2967. [2022-03-01 16:56:28,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2967 states, 2955 states have (on average 1.9235194585448392) internal successors, (5684), 2966 states have internal predecessors, (5684), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:56:28,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2967 states to 2967 states and 5684 transitions. [2022-03-01 16:56:28,889 INFO L78 Accepts]: Start accepts. Automaton has 2967 states and 5684 transitions. Word has length 172 [2022-03-01 16:56:28,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:56:28,889 INFO L470 AbstractCegarLoop]: Abstraction has 2967 states and 5684 transitions. [2022-03-01 16:56:28,889 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:56:28,889 INFO L276 IsEmpty]: Start isEmpty. Operand 2967 states and 5684 transitions. [2022-03-01 16:56:28,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-01 16:56:28,890 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:56:28,890 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:56:28,890 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable166 [2022-03-01 16:56:28,890 INFO L402 AbstractCegarLoop]: === Iteration 168 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:56:28,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:56:28,891 INFO L85 PathProgramCache]: Analyzing trace with hash -377194689, now seen corresponding path program 84 times [2022-03-01 16:56:28,891 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:56:28,891 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460089849] [2022-03-01 16:56:28,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:56:28,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:56:28,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:56:29,257 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:56:29,258 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:56:29,258 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1460089849] [2022-03-01 16:56:29,258 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1460089849] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:56:29,258 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:56:29,258 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-03-01 16:56:29,258 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450219948] [2022-03-01 16:56:29,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:56:29,258 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-01 16:56:29,258 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:56:29,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-01 16:56:29,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=627, Unknown=0, NotChecked=0, Total=702 [2022-03-01 16:56:29,259 INFO L87 Difference]: Start difference. First operand 2967 states and 5684 transitions. Second operand has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:56:32,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:56:32,732 INFO L93 Difference]: Finished difference Result 7244 states and 13899 transitions. [2022-03-01 16:56:32,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2022-03-01 16:56:32,732 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 172 [2022-03-01 16:56:32,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:56:32,773 INFO L225 Difference]: With dead ends: 7244 [2022-03-01 16:56:32,773 INFO L226 Difference]: Without dead ends: 7244 [2022-03-01 16:56:32,773 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2637 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=1143, Invalid=7977, Unknown=0, NotChecked=0, Total=9120 [2022-03-01 16:56:32,774 INFO L933 BasicCegarLoop]: 473 mSDtfsCounter, 2057 mSDsluCounter, 7218 mSDsCounter, 0 mSdLazyCounter, 6035 mSolverCounterSat, 244 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2057 SdHoareTripleChecker+Valid, 7684 SdHoareTripleChecker+Invalid, 6279 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 244 IncrementalHoareTripleChecker+Valid, 6035 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-03-01 16:56:32,774 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2057 Valid, 7684 Invalid, 6279 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [244 Valid, 6035 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-03-01 16:56:32,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7244 states. [2022-03-01 16:56:32,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7244 to 2919. [2022-03-01 16:56:32,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2919 states, 2907 states have (on average 1.9222566219470245) internal successors, (5588), 2918 states have internal predecessors, (5588), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:56:32,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2919 states to 2919 states and 5588 transitions. [2022-03-01 16:56:32,814 INFO L78 Accepts]: Start accepts. Automaton has 2919 states and 5588 transitions. Word has length 172 [2022-03-01 16:56:32,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:56:32,814 INFO L470 AbstractCegarLoop]: Abstraction has 2919 states and 5588 transitions. [2022-03-01 16:56:32,814 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:56:32,814 INFO L276 IsEmpty]: Start isEmpty. Operand 2919 states and 5588 transitions. [2022-03-01 16:56:32,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-01 16:56:32,815 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:56:32,815 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:56:32,815 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable167 [2022-03-01 16:56:32,816 INFO L402 AbstractCegarLoop]: === Iteration 169 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:56:32,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:56:32,816 INFO L85 PathProgramCache]: Analyzing trace with hash -802900511, now seen corresponding path program 85 times [2022-03-01 16:56:32,816 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:56:32,816 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1499338774] [2022-03-01 16:56:32,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:56:32,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:56:32,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:56:33,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:56:33,191 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:56:33,191 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1499338774] [2022-03-01 16:56:33,191 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1499338774] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:56:33,191 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:56:33,191 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-03-01 16:56:33,191 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1191760402] [2022-03-01 16:56:33,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:56:33,192 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-01 16:56:33,192 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:56:33,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-01 16:56:33,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=626, Unknown=0, NotChecked=0, Total=702 [2022-03-01 16:56:33,192 INFO L87 Difference]: Start difference. First operand 2919 states and 5588 transitions. Second operand has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:56:36,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:56:36,925 INFO L93 Difference]: Finished difference Result 8058 states and 15452 transitions. [2022-03-01 16:56:36,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2022-03-01 16:56:36,926 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 172 [2022-03-01 16:56:36,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:56:36,954 INFO L225 Difference]: With dead ends: 8058 [2022-03-01 16:56:36,954 INFO L226 Difference]: Without dead ends: 8058 [2022-03-01 16:56:36,955 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 98 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2909 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=1254, Invalid=8646, Unknown=0, NotChecked=0, Total=9900 [2022-03-01 16:56:36,955 INFO L933 BasicCegarLoop]: 536 mSDtfsCounter, 2119 mSDsluCounter, 7487 mSDsCounter, 0 mSdLazyCounter, 6358 mSolverCounterSat, 276 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2119 SdHoareTripleChecker+Valid, 8016 SdHoareTripleChecker+Invalid, 6634 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 276 IncrementalHoareTripleChecker+Valid, 6358 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:56:36,955 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2119 Valid, 8016 Invalid, 6634 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [276 Valid, 6358 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-03-01 16:56:36,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8058 states. [2022-03-01 16:56:37,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8058 to 2921. [2022-03-01 16:56:37,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2921 states, 2909 states have (on average 1.922310072189756) internal successors, (5592), 2920 states have internal predecessors, (5592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:56:37,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2921 states to 2921 states and 5592 transitions. [2022-03-01 16:56:37,033 INFO L78 Accepts]: Start accepts. Automaton has 2921 states and 5592 transitions. Word has length 172 [2022-03-01 16:56:37,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:56:37,033 INFO L470 AbstractCegarLoop]: Abstraction has 2921 states and 5592 transitions. [2022-03-01 16:56:37,034 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:56:37,034 INFO L276 IsEmpty]: Start isEmpty. Operand 2921 states and 5592 transitions. [2022-03-01 16:56:37,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-01 16:56:37,035 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:56:37,035 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:56:37,035 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable168 [2022-03-01 16:56:37,035 INFO L402 AbstractCegarLoop]: === Iteration 170 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:56:37,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:56:37,036 INFO L85 PathProgramCache]: Analyzing trace with hash 133162181, now seen corresponding path program 86 times [2022-03-01 16:56:37,036 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:56:37,036 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [703615563] [2022-03-01 16:56:37,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:56:37,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:56:37,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:56:37,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:56:37,386 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:56:37,386 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [703615563] [2022-03-01 16:56:37,386 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [703615563] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:56:37,386 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:56:37,386 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-01 16:56:37,386 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953889617] [2022-03-01 16:56:37,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:56:37,387 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-01 16:56:37,387 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:56:37,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-01 16:56:37,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=534, Unknown=0, NotChecked=0, Total=600 [2022-03-01 16:56:37,387 INFO L87 Difference]: Start difference. First operand 2921 states and 5592 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:56:41,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:56:41,017 INFO L93 Difference]: Finished difference Result 8197 states and 15730 transitions. [2022-03-01 16:56:41,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2022-03-01 16:56:41,018 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 172 [2022-03-01 16:56:41,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:56:41,029 INFO L225 Difference]: With dead ends: 8197 [2022-03-01 16:56:41,029 INFO L226 Difference]: Without dead ends: 8197 [2022-03-01 16:56:41,030 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 95 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2685 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=1249, Invalid=8063, Unknown=0, NotChecked=0, Total=9312 [2022-03-01 16:56:41,030 INFO L933 BasicCegarLoop]: 566 mSDtfsCounter, 2071 mSDsluCounter, 7222 mSDsCounter, 0 mSdLazyCounter, 6016 mSolverCounterSat, 282 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2071 SdHoareTripleChecker+Valid, 7784 SdHoareTripleChecker+Invalid, 6298 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 282 IncrementalHoareTripleChecker+Valid, 6016 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-03-01 16:56:41,030 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2071 Valid, 7784 Invalid, 6298 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [282 Valid, 6016 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-03-01 16:56:41,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8197 states. [2022-03-01 16:56:41,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8197 to 2911. [2022-03-01 16:56:41,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2911 states, 2899 states have (on average 1.922042083477061) internal successors, (5572), 2910 states have internal predecessors, (5572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:56:41,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2911 states to 2911 states and 5572 transitions. [2022-03-01 16:56:41,085 INFO L78 Accepts]: Start accepts. Automaton has 2911 states and 5572 transitions. Word has length 172 [2022-03-01 16:56:41,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:56:41,085 INFO L470 AbstractCegarLoop]: Abstraction has 2911 states and 5572 transitions. [2022-03-01 16:56:41,085 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:56:41,086 INFO L276 IsEmpty]: Start isEmpty. Operand 2911 states and 5572 transitions. [2022-03-01 16:56:41,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-01 16:56:41,087 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:56:41,087 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:56:41,087 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable169 [2022-03-01 16:56:41,087 INFO L402 AbstractCegarLoop]: === Iteration 171 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:56:41,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:56:41,087 INFO L85 PathProgramCache]: Analyzing trace with hash -2099152701, now seen corresponding path program 87 times [2022-03-01 16:56:41,087 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:56:41,087 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1189778867] [2022-03-01 16:56:41,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:56:41,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:56:41,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:56:41,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:56:41,446 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:56:41,446 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1189778867] [2022-03-01 16:56:41,446 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1189778867] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:56:41,446 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:56:41,446 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-01 16:56:41,446 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [892187694] [2022-03-01 16:56:41,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:56:41,446 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-01 16:56:41,446 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:56:41,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-01 16:56:41,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=531, Unknown=0, NotChecked=0, Total=600 [2022-03-01 16:56:41,447 INFO L87 Difference]: Start difference. First operand 2911 states and 5572 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:56:44,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:56:44,738 INFO L93 Difference]: Finished difference Result 6429 states and 12333 transitions. [2022-03-01 16:56:44,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2022-03-01 16:56:44,739 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 172 [2022-03-01 16:56:44,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:56:44,747 INFO L225 Difference]: With dead ends: 6429 [2022-03-01 16:56:44,747 INFO L226 Difference]: Without dead ends: 6429 [2022-03-01 16:56:44,748 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2339 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=1241, Invalid=7315, Unknown=0, NotChecked=0, Total=8556 [2022-03-01 16:56:44,748 INFO L933 BasicCegarLoop]: 503 mSDtfsCounter, 1747 mSDsluCounter, 5777 mSDsCounter, 0 mSdLazyCounter, 5082 mSolverCounterSat, 234 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1747 SdHoareTripleChecker+Valid, 6275 SdHoareTripleChecker+Invalid, 5316 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 234 IncrementalHoareTripleChecker+Valid, 5082 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-03-01 16:56:44,748 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1747 Valid, 6275 Invalid, 5316 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [234 Valid, 5082 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-03-01 16:56:44,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6429 states. [2022-03-01 16:56:44,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6429 to 2902. [2022-03-01 16:56:44,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2902 states, 2890 states have (on average 1.9217993079584774) internal successors, (5554), 2901 states have internal predecessors, (5554), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:56:44,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2902 states to 2902 states and 5554 transitions. [2022-03-01 16:56:44,791 INFO L78 Accepts]: Start accepts. Automaton has 2902 states and 5554 transitions. Word has length 172 [2022-03-01 16:56:44,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:56:44,792 INFO L470 AbstractCegarLoop]: Abstraction has 2902 states and 5554 transitions. [2022-03-01 16:56:44,792 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:56:44,792 INFO L276 IsEmpty]: Start isEmpty. Operand 2902 states and 5554 transitions. [2022-03-01 16:56:44,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-01 16:56:44,793 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:56:44,793 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:56:44,793 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable170 [2022-03-01 16:56:44,793 INFO L402 AbstractCegarLoop]: === Iteration 172 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:56:44,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:56:44,793 INFO L85 PathProgramCache]: Analyzing trace with hash -1285162141, now seen corresponding path program 88 times [2022-03-01 16:56:44,793 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:56:44,794 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [720319073] [2022-03-01 16:56:44,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:56:44,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:56:44,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:56:45,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:56:45,135 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:56:45,135 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [720319073] [2022-03-01 16:56:45,135 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [720319073] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:56:45,135 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:56:45,135 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-01 16:56:45,136 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [937748930] [2022-03-01 16:56:45,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:56:45,136 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-01 16:56:45,136 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:56:45,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-01 16:56:45,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=533, Unknown=0, NotChecked=0, Total=600 [2022-03-01 16:56:45,136 INFO L87 Difference]: Start difference. First operand 2902 states and 5554 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:56:48,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:56:48,688 INFO L93 Difference]: Finished difference Result 6586 states and 12643 transitions. [2022-03-01 16:56:48,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2022-03-01 16:56:48,689 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 172 [2022-03-01 16:56:48,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:56:48,697 INFO L225 Difference]: With dead ends: 6586 [2022-03-01 16:56:48,697 INFO L226 Difference]: Without dead ends: 6586 [2022-03-01 16:56:48,697 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 97 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2767 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=1360, Invalid=8342, Unknown=0, NotChecked=0, Total=9702 [2022-03-01 16:56:48,698 INFO L933 BasicCegarLoop]: 506 mSDtfsCounter, 1911 mSDsluCounter, 6542 mSDsCounter, 0 mSdLazyCounter, 5636 mSolverCounterSat, 328 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1911 SdHoareTripleChecker+Valid, 7044 SdHoareTripleChecker+Invalid, 5964 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 328 IncrementalHoareTripleChecker+Valid, 5636 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-03-01 16:56:48,698 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1911 Valid, 7044 Invalid, 5964 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [328 Valid, 5636 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-03-01 16:56:48,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6586 states. [2022-03-01 16:56:48,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6586 to 2898. [2022-03-01 16:56:48,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2898 states, 2886 states have (on average 1.9216909216909217) internal successors, (5546), 2897 states have internal predecessors, (5546), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:56:48,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2898 states to 2898 states and 5546 transitions. [2022-03-01 16:56:48,741 INFO L78 Accepts]: Start accepts. Automaton has 2898 states and 5546 transitions. Word has length 172 [2022-03-01 16:56:48,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:56:48,742 INFO L470 AbstractCegarLoop]: Abstraction has 2898 states and 5546 transitions. [2022-03-01 16:56:48,742 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:56:48,742 INFO L276 IsEmpty]: Start isEmpty. Operand 2898 states and 5546 transitions. [2022-03-01 16:56:48,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-01 16:56:48,743 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:56:48,743 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:56:48,743 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable171 [2022-03-01 16:56:48,743 INFO L402 AbstractCegarLoop]: === Iteration 173 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:56:48,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:56:48,744 INFO L85 PathProgramCache]: Analyzing trace with hash 1288099269, now seen corresponding path program 89 times [2022-03-01 16:56:48,744 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:56:48,744 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [108754735] [2022-03-01 16:56:48,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:56:48,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:56:48,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:56:49,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:56:49,086 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:56:49,086 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [108754735] [2022-03-01 16:56:49,086 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [108754735] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:56:49,086 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:56:49,086 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-01 16:56:49,086 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322088211] [2022-03-01 16:56:49,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:56:49,086 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-01 16:56:49,086 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:56:49,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-01 16:56:49,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=534, Unknown=0, NotChecked=0, Total=600 [2022-03-01 16:56:49,087 INFO L87 Difference]: Start difference. First operand 2898 states and 5546 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:56:52,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:56:52,658 INFO L93 Difference]: Finished difference Result 6556 states and 12587 transitions. [2022-03-01 16:56:52,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2022-03-01 16:56:52,659 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 172 [2022-03-01 16:56:52,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:56:52,666 INFO L225 Difference]: With dead ends: 6556 [2022-03-01 16:56:52,666 INFO L226 Difference]: Without dead ends: 6556 [2022-03-01 16:56:52,666 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2555 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=1285, Invalid=7835, Unknown=0, NotChecked=0, Total=9120 [2022-03-01 16:56:52,666 INFO L933 BasicCegarLoop]: 522 mSDtfsCounter, 1867 mSDsluCounter, 6371 mSDsCounter, 0 mSdLazyCounter, 5839 mSolverCounterSat, 278 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1867 SdHoareTripleChecker+Valid, 6887 SdHoareTripleChecker+Invalid, 6117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 278 IncrementalHoareTripleChecker+Valid, 5839 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-03-01 16:56:52,666 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1867 Valid, 6887 Invalid, 6117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [278 Valid, 5839 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-03-01 16:56:52,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6556 states. [2022-03-01 16:56:52,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6556 to 2839. [2022-03-01 16:56:52,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2839 states, 2827 states have (on average 1.9200565970993986) internal successors, (5428), 2838 states have internal predecessors, (5428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:56:52,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2839 states to 2839 states and 5428 transitions. [2022-03-01 16:56:52,702 INFO L78 Accepts]: Start accepts. Automaton has 2839 states and 5428 transitions. Word has length 172 [2022-03-01 16:56:52,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:56:52,702 INFO L470 AbstractCegarLoop]: Abstraction has 2839 states and 5428 transitions. [2022-03-01 16:56:52,702 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:56:52,702 INFO L276 IsEmpty]: Start isEmpty. Operand 2839 states and 5428 transitions. [2022-03-01 16:56:52,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-01 16:56:52,703 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:56:52,703 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:56:52,703 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable172 [2022-03-01 16:56:52,703 INFO L402 AbstractCegarLoop]: === Iteration 174 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:56:52,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:56:52,704 INFO L85 PathProgramCache]: Analyzing trace with hash 1935640992, now seen corresponding path program 24 times [2022-03-01 16:56:52,704 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:56:52,704 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [681239584] [2022-03-01 16:56:52,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:56:52,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:56:52,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:56:53,254 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:56:53,254 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:56:53,254 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [681239584] [2022-03-01 16:56:53,254 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [681239584] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:56:53,254 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:56:53,254 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-01 16:56:53,254 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [452785689] [2022-03-01 16:56:53,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:56:53,254 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-01 16:56:53,254 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:56:53,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-01 16:56:53,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=527, Unknown=0, NotChecked=0, Total=600 [2022-03-01 16:56:53,255 INFO L87 Difference]: Start difference. First operand 2839 states and 5428 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:56:55,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:56:55,624 INFO L93 Difference]: Finished difference Result 3153 states and 6010 transitions. [2022-03-01 16:56:55,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-03-01 16:56:55,625 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 172 [2022-03-01 16:56:55,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:56:55,628 INFO L225 Difference]: With dead ends: 3153 [2022-03-01 16:56:55,628 INFO L226 Difference]: Without dead ends: 3153 [2022-03-01 16:56:55,629 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1595 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=1000, Invalid=4700, Unknown=0, NotChecked=0, Total=5700 [2022-03-01 16:56:55,629 INFO L933 BasicCegarLoop]: 338 mSDtfsCounter, 1575 mSDsluCounter, 3544 mSDsCounter, 0 mSdLazyCounter, 2576 mSolverCounterSat, 206 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1575 SdHoareTripleChecker+Valid, 3879 SdHoareTripleChecker+Invalid, 2782 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 206 IncrementalHoareTripleChecker+Valid, 2576 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-03-01 16:56:55,629 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1575 Valid, 3879 Invalid, 2782 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [206 Valid, 2576 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-03-01 16:56:55,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3153 states. [2022-03-01 16:56:55,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3153 to 2853. [2022-03-01 16:56:55,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2853 states, 2841 states have (on average 1.9204505455825414) internal successors, (5456), 2852 states have internal predecessors, (5456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:56:55,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2853 states to 2853 states and 5456 transitions. [2022-03-01 16:56:55,654 INFO L78 Accepts]: Start accepts. Automaton has 2853 states and 5456 transitions. Word has length 172 [2022-03-01 16:56:55,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:56:55,655 INFO L470 AbstractCegarLoop]: Abstraction has 2853 states and 5456 transitions. [2022-03-01 16:56:55,655 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:56:55,655 INFO L276 IsEmpty]: Start isEmpty. Operand 2853 states and 5456 transitions. [2022-03-01 16:56:55,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-01 16:56:55,656 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:56:55,656 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:56:55,656 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable173 [2022-03-01 16:56:55,656 INFO L402 AbstractCegarLoop]: === Iteration 175 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:56:55,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:56:55,656 INFO L85 PathProgramCache]: Analyzing trace with hash -1300373724, now seen corresponding path program 25 times [2022-03-01 16:56:55,656 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:56:55,656 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2099428063] [2022-03-01 16:56:55,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:56:55,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:56:55,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:56:56,231 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:56:56,231 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:56:56,231 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2099428063] [2022-03-01 16:56:56,232 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2099428063] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:56:56,232 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:56:56,232 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-01 16:56:56,232 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [357772584] [2022-03-01 16:56:56,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:56:56,232 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-01 16:56:56,232 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:56:56,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-01 16:56:56,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=531, Unknown=0, NotChecked=0, Total=600 [2022-03-01 16:56:56,232 INFO L87 Difference]: Start difference. First operand 2853 states and 5456 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:56:58,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:56:58,911 INFO L93 Difference]: Finished difference Result 3185 states and 6073 transitions. [2022-03-01 16:56:58,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2022-03-01 16:56:58,911 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 172 [2022-03-01 16:56:58,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:56:58,915 INFO L225 Difference]: With dead ends: 3185 [2022-03-01 16:56:58,915 INFO L226 Difference]: Without dead ends: 3185 [2022-03-01 16:56:58,916 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1775 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=1115, Invalid=5047, Unknown=0, NotChecked=0, Total=6162 [2022-03-01 16:56:58,916 INFO L933 BasicCegarLoop]: 339 mSDtfsCounter, 1540 mSDsluCounter, 3895 mSDsCounter, 0 mSdLazyCounter, 2822 mSolverCounterSat, 192 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1540 SdHoareTripleChecker+Valid, 4231 SdHoareTripleChecker+Invalid, 3014 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 192 IncrementalHoareTripleChecker+Valid, 2822 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-03-01 16:56:58,916 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1540 Valid, 4231 Invalid, 3014 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [192 Valid, 2822 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-03-01 16:56:58,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3185 states. [2022-03-01 16:56:58,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3185 to 2859. [2022-03-01 16:56:58,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2859 states, 2847 states have (on average 1.9206181945907974) internal successors, (5468), 2858 states have internal predecessors, (5468), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:56:58,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2859 states to 2859 states and 5468 transitions. [2022-03-01 16:56:58,943 INFO L78 Accepts]: Start accepts. Automaton has 2859 states and 5468 transitions. Word has length 172 [2022-03-01 16:56:58,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:56:58,943 INFO L470 AbstractCegarLoop]: Abstraction has 2859 states and 5468 transitions. [2022-03-01 16:56:58,943 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:56:58,943 INFO L276 IsEmpty]: Start isEmpty. Operand 2859 states and 5468 transitions. [2022-03-01 16:56:58,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-01 16:56:58,944 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:56:58,944 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:56:58,945 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable174 [2022-03-01 16:56:58,945 INFO L402 AbstractCegarLoop]: === Iteration 176 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:56:58,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:56:58,945 INFO L85 PathProgramCache]: Analyzing trace with hash -1513647714, now seen corresponding path program 26 times [2022-03-01 16:56:58,945 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:56:58,945 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1354406776] [2022-03-01 16:56:58,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:56:58,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:56:58,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:56:59,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:56:59,704 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:56:59,704 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1354406776] [2022-03-01 16:56:59,704 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1354406776] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:56:59,704 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:56:59,704 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-01 16:56:59,704 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [225015836] [2022-03-01 16:56:59,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:56:59,704 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-01 16:56:59,704 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:56:59,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-01 16:56:59,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=533, Unknown=0, NotChecked=0, Total=600 [2022-03-01 16:56:59,705 INFO L87 Difference]: Start difference. First operand 2859 states and 5468 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:57:03,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:57:03,325 INFO L93 Difference]: Finished difference Result 3203 states and 6108 transitions. [2022-03-01 16:57:03,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2022-03-01 16:57:03,325 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 172 [2022-03-01 16:57:03,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:57:03,329 INFO L225 Difference]: With dead ends: 3203 [2022-03-01 16:57:03,329 INFO L226 Difference]: Without dead ends: 3203 [2022-03-01 16:57:03,329 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1817 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=1145, Invalid=5175, Unknown=0, NotChecked=0, Total=6320 [2022-03-01 16:57:03,330 INFO L933 BasicCegarLoop]: 347 mSDtfsCounter, 1846 mSDsluCounter, 3459 mSDsCounter, 0 mSdLazyCounter, 2645 mSolverCounterSat, 241 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1846 SdHoareTripleChecker+Valid, 3803 SdHoareTripleChecker+Invalid, 2886 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 241 IncrementalHoareTripleChecker+Valid, 2645 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:57:03,330 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1846 Valid, 3803 Invalid, 2886 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [241 Valid, 2645 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-03-01 16:57:03,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3203 states. [2022-03-01 16:57:03,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3203 to 2870. [2022-03-01 16:57:03,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2870 states, 2858 states have (on average 1.920923722883135) internal successors, (5490), 2869 states have internal predecessors, (5490), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:57:03,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2870 states to 2870 states and 5490 transitions. [2022-03-01 16:57:03,357 INFO L78 Accepts]: Start accepts. Automaton has 2870 states and 5490 transitions. Word has length 172 [2022-03-01 16:57:03,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:57:03,357 INFO L470 AbstractCegarLoop]: Abstraction has 2870 states and 5490 transitions. [2022-03-01 16:57:03,357 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:57:03,357 INFO L276 IsEmpty]: Start isEmpty. Operand 2870 states and 5490 transitions. [2022-03-01 16:57:03,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-01 16:57:03,358 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:57:03,358 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:57:03,358 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable175 [2022-03-01 16:57:03,358 INFO L402 AbstractCegarLoop]: === Iteration 177 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:57:03,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:57:03,359 INFO L85 PathProgramCache]: Analyzing trace with hash 1250229566, now seen corresponding path program 27 times [2022-03-01 16:57:03,359 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:57:03,359 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1249295422] [2022-03-01 16:57:03,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:57:03,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:57:03,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:57:03,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:57:03,942 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:57:03,942 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1249295422] [2022-03-01 16:57:03,942 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1249295422] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:57:03,942 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:57:03,943 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-01 16:57:03,943 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1002841237] [2022-03-01 16:57:03,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:57:03,943 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-01 16:57:03,943 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:57:03,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-01 16:57:03,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=532, Unknown=0, NotChecked=0, Total=600 [2022-03-01 16:57:03,943 INFO L87 Difference]: Start difference. First operand 2870 states and 5490 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:57:06,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:57:06,412 INFO L93 Difference]: Finished difference Result 3205 states and 6114 transitions. [2022-03-01 16:57:06,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2022-03-01 16:57:06,413 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 172 [2022-03-01 16:57:06,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:57:06,416 INFO L225 Difference]: With dead ends: 3205 [2022-03-01 16:57:06,416 INFO L226 Difference]: Without dead ends: 3205 [2022-03-01 16:57:06,416 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1660 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=1046, Invalid=4806, Unknown=0, NotChecked=0, Total=5852 [2022-03-01 16:57:06,417 INFO L933 BasicCegarLoop]: 311 mSDtfsCounter, 1644 mSDsluCounter, 3440 mSDsCounter, 0 mSdLazyCounter, 2672 mSolverCounterSat, 231 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1644 SdHoareTripleChecker+Valid, 3748 SdHoareTripleChecker+Invalid, 2903 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 231 IncrementalHoareTripleChecker+Valid, 2672 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-03-01 16:57:06,417 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1644 Valid, 3748 Invalid, 2903 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [231 Valid, 2672 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-03-01 16:57:06,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3205 states. [2022-03-01 16:57:06,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3205 to 2882. [2022-03-01 16:57:06,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2882 states, 2870 states have (on average 1.921254355400697) internal successors, (5514), 2881 states have internal predecessors, (5514), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:57:06,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2882 states to 2882 states and 5514 transitions. [2022-03-01 16:57:06,443 INFO L78 Accepts]: Start accepts. Automaton has 2882 states and 5514 transitions. Word has length 172 [2022-03-01 16:57:06,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:57:06,444 INFO L470 AbstractCegarLoop]: Abstraction has 2882 states and 5514 transitions. [2022-03-01 16:57:06,444 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:57:06,444 INFO L276 IsEmpty]: Start isEmpty. Operand 2882 states and 5514 transitions. [2022-03-01 16:57:06,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-01 16:57:06,445 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:57:06,445 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:57:06,445 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable176 [2022-03-01 16:57:06,445 INFO L402 AbstractCegarLoop]: === Iteration 178 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:57:06,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:57:06,445 INFO L85 PathProgramCache]: Analyzing trace with hash 1036955576, now seen corresponding path program 28 times [2022-03-01 16:57:06,445 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:57:06,446 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1794130813] [2022-03-01 16:57:06,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:57:06,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:57:06,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:57:07,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:57:07,161 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:57:07,161 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1794130813] [2022-03-01 16:57:07,161 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1794130813] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:57:07,161 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:57:07,161 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-01 16:57:07,161 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938148285] [2022-03-01 16:57:07,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:57:07,161 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-01 16:57:07,161 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:57:07,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-01 16:57:07,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=535, Unknown=0, NotChecked=0, Total=600 [2022-03-01 16:57:07,162 INFO L87 Difference]: Start difference. First operand 2882 states and 5514 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:57:10,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:57:10,922 INFO L93 Difference]: Finished difference Result 3249 states and 6200 transitions. [2022-03-01 16:57:10,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2022-03-01 16:57:10,922 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 172 [2022-03-01 16:57:10,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:57:10,926 INFO L225 Difference]: With dead ends: 3249 [2022-03-01 16:57:10,926 INFO L226 Difference]: Without dead ends: 3249 [2022-03-01 16:57:10,926 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1823 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=1143, Invalid=5177, Unknown=0, NotChecked=0, Total=6320 [2022-03-01 16:57:10,927 INFO L933 BasicCegarLoop]: 319 mSDtfsCounter, 1707 mSDsluCounter, 3616 mSDsCounter, 0 mSdLazyCounter, 2806 mSolverCounterSat, 242 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1707 SdHoareTripleChecker+Valid, 3932 SdHoareTripleChecker+Invalid, 3048 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 242 IncrementalHoareTripleChecker+Valid, 2806 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:57:10,927 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1707 Valid, 3932 Invalid, 3048 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [242 Valid, 2806 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-03-01 16:57:10,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3249 states. [2022-03-01 16:57:10,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3249 to 2876. [2022-03-01 16:57:10,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2876 states, 2864 states have (on average 1.9210893854748603) internal successors, (5502), 2875 states have internal predecessors, (5502), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:57:10,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2876 states to 2876 states and 5502 transitions. [2022-03-01 16:57:10,956 INFO L78 Accepts]: Start accepts. Automaton has 2876 states and 5502 transitions. Word has length 172 [2022-03-01 16:57:10,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:57:10,956 INFO L470 AbstractCegarLoop]: Abstraction has 2876 states and 5502 transitions. [2022-03-01 16:57:10,956 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:57:10,956 INFO L276 IsEmpty]: Start isEmpty. Operand 2876 states and 5502 transitions. [2022-03-01 16:57:10,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-01 16:57:10,957 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:57:10,957 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:57:10,957 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable177 [2022-03-01 16:57:10,957 INFO L402 AbstractCegarLoop]: === Iteration 179 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:57:10,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:57:10,957 INFO L85 PathProgramCache]: Analyzing trace with hash -1430006816, now seen corresponding path program 29 times [2022-03-01 16:57:10,958 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:57:10,958 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [351252846] [2022-03-01 16:57:10,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:57:10,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:57:10,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:57:11,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:57:11,442 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:57:11,442 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [351252846] [2022-03-01 16:57:11,442 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [351252846] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:57:11,443 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:57:11,443 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-01 16:57:11,443 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704993227] [2022-03-01 16:57:11,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:57:11,443 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-01 16:57:11,443 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:57:11,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-01 16:57:11,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=534, Unknown=0, NotChecked=0, Total=600 [2022-03-01 16:57:11,443 INFO L87 Difference]: Start difference. First operand 2876 states and 5502 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:57:13,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:57:13,853 INFO L93 Difference]: Finished difference Result 3253 states and 6206 transitions. [2022-03-01 16:57:13,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2022-03-01 16:57:13,854 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 172 [2022-03-01 16:57:13,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:57:13,870 INFO L225 Difference]: With dead ends: 3253 [2022-03-01 16:57:13,870 INFO L226 Difference]: Without dead ends: 3253 [2022-03-01 16:57:13,870 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1884 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=1123, Invalid=5357, Unknown=0, NotChecked=0, Total=6480 [2022-03-01 16:57:13,870 INFO L933 BasicCegarLoop]: 328 mSDtfsCounter, 1655 mSDsluCounter, 3713 mSDsCounter, 0 mSdLazyCounter, 2964 mSolverCounterSat, 238 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1655 SdHoareTripleChecker+Valid, 4038 SdHoareTripleChecker+Invalid, 3202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 238 IncrementalHoareTripleChecker+Valid, 2964 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-03-01 16:57:13,870 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1655 Valid, 4038 Invalid, 3202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [238 Valid, 2964 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-03-01 16:57:13,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3253 states. [2022-03-01 16:57:13,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3253 to 2887. [2022-03-01 16:57:13,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2887 states, 2875 states have (on average 1.9213913043478261) internal successors, (5524), 2886 states have internal predecessors, (5524), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:57:13,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2887 states to 2887 states and 5524 transitions. [2022-03-01 16:57:13,892 INFO L78 Accepts]: Start accepts. Automaton has 2887 states and 5524 transitions. Word has length 172 [2022-03-01 16:57:13,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:57:13,893 INFO L470 AbstractCegarLoop]: Abstraction has 2887 states and 5524 transitions. [2022-03-01 16:57:13,893 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:57:13,893 INFO L276 IsEmpty]: Start isEmpty. Operand 2887 states and 5524 transitions. [2022-03-01 16:57:13,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-01 16:57:13,894 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:57:13,894 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:57:13,894 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable178 [2022-03-01 16:57:13,894 INFO L402 AbstractCegarLoop]: === Iteration 180 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:57:13,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:57:13,894 INFO L85 PathProgramCache]: Analyzing trace with hash 727663366, now seen corresponding path program 30 times [2022-03-01 16:57:13,894 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:57:13,895 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1218331154] [2022-03-01 16:57:13,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:57:13,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:57:13,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:57:14,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:57:14,427 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:57:14,427 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1218331154] [2022-03-01 16:57:14,427 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1218331154] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:57:14,427 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:57:14,427 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-01 16:57:14,427 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298629131] [2022-03-01 16:57:14,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:57:14,427 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-01 16:57:14,427 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:57:14,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-01 16:57:14,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=531, Unknown=0, NotChecked=0, Total=600 [2022-03-01 16:57:14,428 INFO L87 Difference]: Start difference. First operand 2887 states and 5524 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:57:16,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:57:16,771 INFO L93 Difference]: Finished difference Result 3231 states and 6166 transitions. [2022-03-01 16:57:16,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2022-03-01 16:57:16,772 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 172 [2022-03-01 16:57:16,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:57:16,775 INFO L225 Difference]: With dead ends: 3231 [2022-03-01 16:57:16,775 INFO L226 Difference]: Without dead ends: 3231 [2022-03-01 16:57:16,775 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1544 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=980, Invalid=4570, Unknown=0, NotChecked=0, Total=5550 [2022-03-01 16:57:16,776 INFO L933 BasicCegarLoop]: 294 mSDtfsCounter, 1774 mSDsluCounter, 3173 mSDsCounter, 0 mSdLazyCounter, 2555 mSolverCounterSat, 228 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1774 SdHoareTripleChecker+Valid, 3464 SdHoareTripleChecker+Invalid, 2783 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 228 IncrementalHoareTripleChecker+Valid, 2555 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-03-01 16:57:16,776 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1774 Valid, 3464 Invalid, 2783 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [228 Valid, 2555 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-03-01 16:57:16,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3231 states. [2022-03-01 16:57:16,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3231 to 2905. [2022-03-01 16:57:16,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2905 states, 2893 states have (on average 1.9218804009678534) internal successors, (5560), 2904 states have internal predecessors, (5560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:57:16,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2905 states to 2905 states and 5560 transitions. [2022-03-01 16:57:16,802 INFO L78 Accepts]: Start accepts. Automaton has 2905 states and 5560 transitions. Word has length 172 [2022-03-01 16:57:16,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:57:16,802 INFO L470 AbstractCegarLoop]: Abstraction has 2905 states and 5560 transitions. [2022-03-01 16:57:16,802 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:57:16,802 INFO L276 IsEmpty]: Start isEmpty. Operand 2905 states and 5560 transitions. [2022-03-01 16:57:16,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-01 16:57:16,803 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:57:16,803 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:57:16,803 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable179 [2022-03-01 16:57:16,803 INFO L402 AbstractCegarLoop]: === Iteration 181 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:57:16,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:57:16,804 INFO L85 PathProgramCache]: Analyzing trace with hash 514389376, now seen corresponding path program 31 times [2022-03-01 16:57:16,804 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:57:16,804 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1836412493] [2022-03-01 16:57:16,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:57:16,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:57:16,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:57:17,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:57:17,521 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:57:17,521 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1836412493] [2022-03-01 16:57:17,521 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1836412493] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:57:17,522 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:57:17,522 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-01 16:57:17,522 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410736259] [2022-03-01 16:57:17,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:57:17,522 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-01 16:57:17,522 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:57:17,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-01 16:57:17,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=535, Unknown=0, NotChecked=0, Total=600 [2022-03-01 16:57:17,522 INFO L87 Difference]: Start difference. First operand 2905 states and 5560 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:57:21,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:57:21,149 INFO L93 Difference]: Finished difference Result 3275 states and 6252 transitions. [2022-03-01 16:57:21,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2022-03-01 16:57:21,150 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 172 [2022-03-01 16:57:21,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:57:21,153 INFO L225 Difference]: With dead ends: 3275 [2022-03-01 16:57:21,153 INFO L226 Difference]: Without dead ends: 3275 [2022-03-01 16:57:21,154 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1704 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=1065, Invalid=4941, Unknown=0, NotChecked=0, Total=6006 [2022-03-01 16:57:21,154 INFO L933 BasicCegarLoop]: 302 mSDtfsCounter, 1510 mSDsluCounter, 3699 mSDsCounter, 0 mSdLazyCounter, 2780 mSolverCounterSat, 225 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1510 SdHoareTripleChecker+Valid, 3998 SdHoareTripleChecker+Invalid, 3005 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 225 IncrementalHoareTripleChecker+Valid, 2780 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:57:21,154 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1510 Valid, 3998 Invalid, 3005 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [225 Valid, 2780 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-03-01 16:57:21,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3275 states. [2022-03-01 16:57:21,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3275 to 2899. [2022-03-01 16:57:21,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2899 states, 2887 states have (on average 1.9217180464149637) internal successors, (5548), 2898 states have internal predecessors, (5548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:57:21,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2899 states to 2899 states and 5548 transitions. [2022-03-01 16:57:21,183 INFO L78 Accepts]: Start accepts. Automaton has 2899 states and 5548 transitions. Word has length 172 [2022-03-01 16:57:21,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:57:21,183 INFO L470 AbstractCegarLoop]: Abstraction has 2899 states and 5548 transitions. [2022-03-01 16:57:21,183 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:57:21,184 INFO L276 IsEmpty]: Start isEmpty. Operand 2899 states and 5548 transitions. [2022-03-01 16:57:21,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-01 16:57:21,185 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:57:21,185 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:57:21,185 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable180 [2022-03-01 16:57:21,185 INFO L402 AbstractCegarLoop]: === Iteration 182 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:57:21,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:57:21,185 INFO L85 PathProgramCache]: Analyzing trace with hash -1952573016, now seen corresponding path program 32 times [2022-03-01 16:57:21,185 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:57:21,185 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851258531] [2022-03-01 16:57:21,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:57:21,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:57:21,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:57:21,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:57:21,645 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:57:21,646 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1851258531] [2022-03-01 16:57:21,646 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1851258531] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:57:21,646 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:57:21,646 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-01 16:57:21,646 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419201988] [2022-03-01 16:57:21,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:57:21,646 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-01 16:57:21,646 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:57:21,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-01 16:57:21,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=535, Unknown=0, NotChecked=0, Total=600 [2022-03-01 16:57:21,646 INFO L87 Difference]: Start difference. First operand 2899 states and 5548 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:57:24,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:57:24,057 INFO L93 Difference]: Finished difference Result 3316 states and 6332 transitions. [2022-03-01 16:57:24,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2022-03-01 16:57:24,058 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 172 [2022-03-01 16:57:24,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:57:24,061 INFO L225 Difference]: With dead ends: 3316 [2022-03-01 16:57:24,061 INFO L226 Difference]: Without dead ends: 3316 [2022-03-01 16:57:24,062 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1889 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=1110, Invalid=5370, Unknown=0, NotChecked=0, Total=6480 [2022-03-01 16:57:24,062 INFO L933 BasicCegarLoop]: 311 mSDtfsCounter, 1528 mSDsluCounter, 3989 mSDsCounter, 0 mSdLazyCounter, 3086 mSolverCounterSat, 225 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1528 SdHoareTripleChecker+Valid, 4297 SdHoareTripleChecker+Invalid, 3311 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 225 IncrementalHoareTripleChecker+Valid, 3086 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-03-01 16:57:24,062 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1528 Valid, 4297 Invalid, 3311 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [225 Valid, 3086 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-03-01 16:57:24,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3316 states. [2022-03-01 16:57:24,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3316 to 2893. [2022-03-01 16:57:24,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2893 states, 2881 states have (on average 1.9215550156195766) internal successors, (5536), 2892 states have internal predecessors, (5536), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:57:24,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2893 states to 2893 states and 5536 transitions. [2022-03-01 16:57:24,088 INFO L78 Accepts]: Start accepts. Automaton has 2893 states and 5536 transitions. Word has length 172 [2022-03-01 16:57:24,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:57:24,088 INFO L470 AbstractCegarLoop]: Abstraction has 2893 states and 5536 transitions. [2022-03-01 16:57:24,088 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:57:24,088 INFO L276 IsEmpty]: Start isEmpty. Operand 2893 states and 5536 transitions. [2022-03-01 16:57:24,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-01 16:57:24,089 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:57:24,089 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:57:24,090 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable181 [2022-03-01 16:57:24,090 INFO L402 AbstractCegarLoop]: === Iteration 183 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:57:24,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:57:24,090 INFO L85 PathProgramCache]: Analyzing trace with hash -1653183616, now seen corresponding path program 33 times [2022-03-01 16:57:24,090 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:57:24,090 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1123640521] [2022-03-01 16:57:24,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:57:24,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:57:24,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:57:24,484 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:57:24,485 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:57:24,485 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1123640521] [2022-03-01 16:57:24,485 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1123640521] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:57:24,485 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:57:24,485 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-01 16:57:24,485 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1184001730] [2022-03-01 16:57:24,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:57:24,485 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-01 16:57:24,485 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:57:24,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-01 16:57:24,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=533, Unknown=0, NotChecked=0, Total=600 [2022-03-01 16:57:24,486 INFO L87 Difference]: Start difference. First operand 2893 states and 5536 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:57:26,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:57:26,619 INFO L93 Difference]: Finished difference Result 3303 states and 6304 transitions. [2022-03-01 16:57:26,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2022-03-01 16:57:26,619 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 172 [2022-03-01 16:57:26,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:57:26,623 INFO L225 Difference]: With dead ends: 3303 [2022-03-01 16:57:26,623 INFO L226 Difference]: Without dead ends: 3303 [2022-03-01 16:57:26,623 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1886 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=1094, Invalid=5386, Unknown=0, NotChecked=0, Total=6480 [2022-03-01 16:57:26,624 INFO L933 BasicCegarLoop]: 319 mSDtfsCounter, 1538 mSDsluCounter, 3207 mSDsCounter, 0 mSdLazyCounter, 2440 mSolverCounterSat, 236 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1538 SdHoareTripleChecker+Valid, 3523 SdHoareTripleChecker+Invalid, 2676 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 236 IncrementalHoareTripleChecker+Valid, 2440 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-03-01 16:57:26,624 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1538 Valid, 3523 Invalid, 2676 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [236 Valid, 2440 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-03-01 16:57:26,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3303 states. [2022-03-01 16:57:26,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3303 to 2904. [2022-03-01 16:57:26,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2904 states, 2892 states have (on average 1.921853388658368) internal successors, (5558), 2903 states have internal predecessors, (5558), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:57:26,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2904 states to 2904 states and 5558 transitions. [2022-03-01 16:57:26,653 INFO L78 Accepts]: Start accepts. Automaton has 2904 states and 5558 transitions. Word has length 172 [2022-03-01 16:57:26,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:57:26,653 INFO L470 AbstractCegarLoop]: Abstraction has 2904 states and 5558 transitions. [2022-03-01 16:57:26,653 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:57:26,653 INFO L276 IsEmpty]: Start isEmpty. Operand 2904 states and 5558 transitions. [2022-03-01 16:57:26,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-01 16:57:26,654 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:57:26,654 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:57:26,654 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable182 [2022-03-01 16:57:26,655 INFO L402 AbstractCegarLoop]: === Iteration 184 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:57:26,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:57:26,655 INFO L85 PathProgramCache]: Analyzing trace with hash -310105636, now seen corresponding path program 34 times [2022-03-01 16:57:26,655 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:57:26,655 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [974851749] [2022-03-01 16:57:26,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:57:26,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:57:26,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:57:27,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:57:27,200 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:57:27,200 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [974851749] [2022-03-01 16:57:27,200 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [974851749] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:57:27,200 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:57:27,200 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-01 16:57:27,200 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1785540002] [2022-03-01 16:57:27,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:57:27,201 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-01 16:57:27,201 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:57:27,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-01 16:57:27,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=528, Unknown=0, NotChecked=0, Total=600 [2022-03-01 16:57:27,201 INFO L87 Difference]: Start difference. First operand 2904 states and 5558 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:57:29,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:57:29,547 INFO L93 Difference]: Finished difference Result 3604 states and 6905 transitions. [2022-03-01 16:57:29,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2022-03-01 16:57:29,547 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 172 [2022-03-01 16:57:29,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:57:29,551 INFO L225 Difference]: With dead ends: 3604 [2022-03-01 16:57:29,551 INFO L226 Difference]: Without dead ends: 3604 [2022-03-01 16:57:29,551 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1547 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=945, Invalid=4605, Unknown=0, NotChecked=0, Total=5550 [2022-03-01 16:57:29,552 INFO L933 BasicCegarLoop]: 304 mSDtfsCounter, 1598 mSDsluCounter, 3714 mSDsCounter, 0 mSdLazyCounter, 2654 mSolverCounterSat, 149 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1598 SdHoareTripleChecker+Valid, 4015 SdHoareTripleChecker+Invalid, 2803 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 149 IncrementalHoareTripleChecker+Valid, 2654 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-03-01 16:57:29,552 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1598 Valid, 4015 Invalid, 2803 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [149 Valid, 2654 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-03-01 16:57:29,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3604 states. [2022-03-01 16:57:29,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3604 to 2946. [2022-03-01 16:57:29,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2946 states, 2934 states have (on average 1.9229720518064077) internal successors, (5642), 2945 states have internal predecessors, (5642), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:57:29,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2946 states to 2946 states and 5642 transitions. [2022-03-01 16:57:29,585 INFO L78 Accepts]: Start accepts. Automaton has 2946 states and 5642 transitions. Word has length 172 [2022-03-01 16:57:29,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:57:29,585 INFO L470 AbstractCegarLoop]: Abstraction has 2946 states and 5642 transitions. [2022-03-01 16:57:29,585 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:57:29,586 INFO L276 IsEmpty]: Start isEmpty. Operand 2946 states and 5642 transitions. [2022-03-01 16:57:29,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-01 16:57:29,587 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:57:29,587 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:57:29,587 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable183 [2022-03-01 16:57:29,587 INFO L402 AbstractCegarLoop]: === Iteration 185 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:57:29,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:57:29,588 INFO L85 PathProgramCache]: Analyzing trace with hash -523379626, now seen corresponding path program 35 times [2022-03-01 16:57:29,588 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:57:29,588 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1010684843] [2022-03-01 16:57:29,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:57:29,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:57:29,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:57:30,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:57:30,300 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:57:30,300 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1010684843] [2022-03-01 16:57:30,300 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1010684843] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:57:30,300 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:57:30,300 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-01 16:57:30,300 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867046065] [2022-03-01 16:57:30,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:57:30,300 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-01 16:57:30,300 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:57:30,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-01 16:57:30,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=533, Unknown=0, NotChecked=0, Total=600 [2022-03-01 16:57:30,301 INFO L87 Difference]: Start difference. First operand 2946 states and 5642 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:57:34,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:57:34,069 INFO L93 Difference]: Finished difference Result 3648 states and 6991 transitions. [2022-03-01 16:57:34,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2022-03-01 16:57:34,069 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 172 [2022-03-01 16:57:34,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:57:34,073 INFO L225 Difference]: With dead ends: 3648 [2022-03-01 16:57:34,074 INFO L226 Difference]: Without dead ends: 3648 [2022-03-01 16:57:34,074 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1711 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=1019, Invalid=4987, Unknown=0, NotChecked=0, Total=6006 [2022-03-01 16:57:34,074 INFO L933 BasicCegarLoop]: 312 mSDtfsCounter, 1762 mSDsluCounter, 3943 mSDsCounter, 0 mSdLazyCounter, 3171 mSolverCounterSat, 163 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1762 SdHoareTripleChecker+Valid, 4252 SdHoareTripleChecker+Invalid, 3334 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 163 IncrementalHoareTripleChecker+Valid, 3171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-03-01 16:57:34,074 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1762 Valid, 4252 Invalid, 3334 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [163 Valid, 3171 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-03-01 16:57:34,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3648 states. [2022-03-01 16:57:34,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3648 to 2940. [2022-03-01 16:57:34,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2940 states, 2928 states have (on average 1.9228142076502732) internal successors, (5630), 2939 states have internal predecessors, (5630), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:57:34,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2940 states to 2940 states and 5630 transitions. [2022-03-01 16:57:34,107 INFO L78 Accepts]: Start accepts. Automaton has 2940 states and 5630 transitions. Word has length 172 [2022-03-01 16:57:34,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:57:34,107 INFO L470 AbstractCegarLoop]: Abstraction has 2940 states and 5630 transitions. [2022-03-01 16:57:34,107 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:57:34,107 INFO L276 IsEmpty]: Start isEmpty. Operand 2940 states and 5630 transitions. [2022-03-01 16:57:34,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-01 16:57:34,108 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:57:34,108 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:57:34,108 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable184 [2022-03-01 16:57:34,108 INFO L402 AbstractCegarLoop]: === Iteration 186 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:57:34,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:57:34,109 INFO L85 PathProgramCache]: Analyzing trace with hash 1304625278, now seen corresponding path program 36 times [2022-03-01 16:57:34,109 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:57:34,109 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1795508999] [2022-03-01 16:57:34,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:57:34,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:57:34,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:57:34,554 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:57:34,554 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:57:34,554 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1795508999] [2022-03-01 16:57:34,554 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1795508999] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:57:34,554 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:57:34,554 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-01 16:57:34,554 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [57503798] [2022-03-01 16:57:34,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:57:34,555 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-01 16:57:34,555 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:57:34,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-01 16:57:34,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=534, Unknown=0, NotChecked=0, Total=600 [2022-03-01 16:57:34,555 INFO L87 Difference]: Start difference. First operand 2940 states and 5630 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:57:36,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:57:36,985 INFO L93 Difference]: Finished difference Result 3689 states and 7071 transitions. [2022-03-01 16:57:36,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2022-03-01 16:57:36,985 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 172 [2022-03-01 16:57:36,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:57:36,990 INFO L225 Difference]: With dead ends: 3689 [2022-03-01 16:57:36,990 INFO L226 Difference]: Without dead ends: 3689 [2022-03-01 16:57:36,991 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1901 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=1054, Invalid=5426, Unknown=0, NotChecked=0, Total=6480 [2022-03-01 16:57:36,991 INFO L933 BasicCegarLoop]: 321 mSDtfsCounter, 1901 mSDsluCounter, 3879 mSDsCounter, 0 mSdLazyCounter, 3185 mSolverCounterSat, 197 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1901 SdHoareTripleChecker+Valid, 4197 SdHoareTripleChecker+Invalid, 3382 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 197 IncrementalHoareTripleChecker+Valid, 3185 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:57:36,991 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1901 Valid, 4197 Invalid, 3382 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [197 Valid, 3185 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-03-01 16:57:36,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3689 states. [2022-03-01 16:57:37,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3689 to 2934. [2022-03-01 16:57:37,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2934 states, 2922 states have (on average 1.9226557152635182) internal successors, (5618), 2933 states have internal predecessors, (5618), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:57:37,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2934 states to 2934 states and 5618 transitions. [2022-03-01 16:57:37,023 INFO L78 Accepts]: Start accepts. Automaton has 2934 states and 5618 transitions. Word has length 172 [2022-03-01 16:57:37,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:57:37,023 INFO L470 AbstractCegarLoop]: Abstraction has 2934 states and 5618 transitions. [2022-03-01 16:57:37,023 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:57:37,023 INFO L276 IsEmpty]: Start isEmpty. Operand 2934 states and 5618 transitions. [2022-03-01 16:57:37,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-01 16:57:37,025 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:57:37,025 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:57:37,025 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable185 [2022-03-01 16:57:37,025 INFO L402 AbstractCegarLoop]: === Iteration 187 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:57:37,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:57:37,025 INFO L85 PathProgramCache]: Analyzing trace with hash 1604014678, now seen corresponding path program 37 times [2022-03-01 16:57:37,025 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:57:37,025 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [328732182] [2022-03-01 16:57:37,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:57:37,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:57:37,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:57:37,427 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:57:37,427 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:57:37,427 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [328732182] [2022-03-01 16:57:37,427 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [328732182] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:57:37,427 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:57:37,427 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-01 16:57:37,428 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1343868186] [2022-03-01 16:57:37,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:57:37,428 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-01 16:57:37,428 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:57:37,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-01 16:57:37,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=533, Unknown=0, NotChecked=0, Total=600 [2022-03-01 16:57:37,428 INFO L87 Difference]: Start difference. First operand 2934 states and 5618 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:57:39,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:57:39,855 INFO L93 Difference]: Finished difference Result 3733 states and 7157 transitions. [2022-03-01 16:57:39,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2022-03-01 16:57:39,855 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 172 [2022-03-01 16:57:39,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:57:39,859 INFO L225 Difference]: With dead ends: 3733 [2022-03-01 16:57:39,860 INFO L226 Difference]: Without dead ends: 3733 [2022-03-01 16:57:39,860 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2026 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=1094, Invalid=5712, Unknown=0, NotChecked=0, Total=6806 [2022-03-01 16:57:39,860 INFO L933 BasicCegarLoop]: 329 mSDtfsCounter, 1636 mSDsluCounter, 3951 mSDsCounter, 0 mSdLazyCounter, 3114 mSolverCounterSat, 183 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1636 SdHoareTripleChecker+Valid, 4277 SdHoareTripleChecker+Invalid, 3297 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 183 IncrementalHoareTripleChecker+Valid, 3114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-03-01 16:57:39,860 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1636 Valid, 4277 Invalid, 3297 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [183 Valid, 3114 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-03-01 16:57:39,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3733 states. [2022-03-01 16:57:39,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3733 to 2928. [2022-03-01 16:57:39,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2928 states, 2916 states have (on average 1.9224965706447188) internal successors, (5606), 2927 states have internal predecessors, (5606), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:57:39,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2928 states to 2928 states and 5606 transitions. [2022-03-01 16:57:39,891 INFO L78 Accepts]: Start accepts. Automaton has 2928 states and 5606 transitions. Word has length 172 [2022-03-01 16:57:39,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:57:39,891 INFO L470 AbstractCegarLoop]: Abstraction has 2928 states and 5606 transitions. [2022-03-01 16:57:39,891 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:57:39,891 INFO L276 IsEmpty]: Start isEmpty. Operand 2928 states and 5606 transitions. [2022-03-01 16:57:39,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-01 16:57:39,892 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:57:39,892 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:57:39,892 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable186 [2022-03-01 16:57:39,893 INFO L402 AbstractCegarLoop]: === Iteration 188 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:57:39,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:57:39,893 INFO L85 PathProgramCache]: Analyzing trace with hash -1379767682, now seen corresponding path program 38 times [2022-03-01 16:57:39,893 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:57:39,893 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [495287882] [2022-03-01 16:57:39,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:57:39,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:57:39,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:57:40,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:57:40,288 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:57:40,288 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [495287882] [2022-03-01 16:57:40,288 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [495287882] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:57:40,288 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:57:40,288 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-01 16:57:40,288 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [687754760] [2022-03-01 16:57:40,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:57:40,288 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-01 16:57:40,289 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:57:40,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-01 16:57:40,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=530, Unknown=0, NotChecked=0, Total=600 [2022-03-01 16:57:40,289 INFO L87 Difference]: Start difference. First operand 2928 states and 5606 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:57:42,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:57:42,772 INFO L93 Difference]: Finished difference Result 4747 states and 9105 transitions. [2022-03-01 16:57:42,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2022-03-01 16:57:42,773 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 172 [2022-03-01 16:57:42,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:57:42,778 INFO L225 Difference]: With dead ends: 4747 [2022-03-01 16:57:42,778 INFO L226 Difference]: Without dead ends: 4747 [2022-03-01 16:57:42,779 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2098 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=1110, Invalid=5862, Unknown=0, NotChecked=0, Total=6972 [2022-03-01 16:57:42,779 INFO L933 BasicCegarLoop]: 363 mSDtfsCounter, 2230 mSDsluCounter, 4185 mSDsCounter, 0 mSdLazyCounter, 3338 mSolverCounterSat, 181 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2230 SdHoareTripleChecker+Valid, 4545 SdHoareTripleChecker+Invalid, 3519 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 181 IncrementalHoareTripleChecker+Valid, 3338 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:57:42,779 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2230 Valid, 4545 Invalid, 3519 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [181 Valid, 3338 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-03-01 16:57:42,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4747 states. [2022-03-01 16:57:42,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4747 to 2959. [2022-03-01 16:57:42,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2959 states, 2947 states have (on average 1.9233118425517475) internal successors, (5668), 2958 states have internal predecessors, (5668), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:57:42,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2959 states to 2959 states and 5668 transitions. [2022-03-01 16:57:42,813 INFO L78 Accepts]: Start accepts. Automaton has 2959 states and 5668 transitions. Word has length 172 [2022-03-01 16:57:42,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:57:42,813 INFO L470 AbstractCegarLoop]: Abstraction has 2959 states and 5668 transitions. [2022-03-01 16:57:42,813 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:57:42,813 INFO L276 IsEmpty]: Start isEmpty. Operand 2959 states and 5668 transitions. [2022-03-01 16:57:42,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-01 16:57:42,814 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:57:42,814 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:57:42,814 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable187 [2022-03-01 16:57:42,814 INFO L402 AbstractCegarLoop]: === Iteration 189 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:57:42,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:57:42,814 INFO L85 PathProgramCache]: Analyzing trace with hash -1006923965, now seen corresponding path program 90 times [2022-03-01 16:57:42,815 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:57:42,815 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995630106] [2022-03-01 16:57:42,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:57:42,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:57:42,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:57:43,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:57:43,213 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:57:43,213 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1995630106] [2022-03-01 16:57:43,213 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1995630106] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:57:43,213 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:57:43,213 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-01 16:57:43,213 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642501827] [2022-03-01 16:57:43,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:57:43,214 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-01 16:57:43,214 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:57:43,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-01 16:57:43,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=534, Unknown=0, NotChecked=0, Total=600 [2022-03-01 16:57:43,214 INFO L87 Difference]: Start difference. First operand 2959 states and 5668 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:57:46,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:57:46,198 INFO L93 Difference]: Finished difference Result 5155 states and 9845 transitions. [2022-03-01 16:57:46,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2022-03-01 16:57:46,198 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 172 [2022-03-01 16:57:46,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:57:46,204 INFO L225 Difference]: With dead ends: 5155 [2022-03-01 16:57:46,204 INFO L226 Difference]: Without dead ends: 5155 [2022-03-01 16:57:46,204 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1894 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=887, Invalid=5755, Unknown=0, NotChecked=0, Total=6642 [2022-03-01 16:57:46,205 INFO L933 BasicCegarLoop]: 400 mSDtfsCounter, 2286 mSDsluCounter, 4739 mSDsCounter, 0 mSdLazyCounter, 4651 mSolverCounterSat, 385 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2286 SdHoareTripleChecker+Valid, 5133 SdHoareTripleChecker+Invalid, 5036 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 385 IncrementalHoareTripleChecker+Valid, 4651 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-03-01 16:57:46,205 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2286 Valid, 5133 Invalid, 5036 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [385 Valid, 4651 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-03-01 16:57:46,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5155 states. [2022-03-01 16:57:46,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5155 to 2839. [2022-03-01 16:57:46,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2839 states, 2827 states have (on average 1.9200565970993986) internal successors, (5428), 2838 states have internal predecessors, (5428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:57:46,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2839 states to 2839 states and 5428 transitions. [2022-03-01 16:57:46,240 INFO L78 Accepts]: Start accepts. Automaton has 2839 states and 5428 transitions. Word has length 172 [2022-03-01 16:57:46,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:57:46,240 INFO L470 AbstractCegarLoop]: Abstraction has 2839 states and 5428 transitions. [2022-03-01 16:57:46,240 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:57:46,240 INFO L276 IsEmpty]: Start isEmpty. Operand 2839 states and 5428 transitions. [2022-03-01 16:57:46,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-01 16:57:46,241 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:57:46,241 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:57:46,241 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable188 [2022-03-01 16:57:46,241 INFO L402 AbstractCegarLoop]: === Iteration 190 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:57:46,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:57:46,242 INFO L85 PathProgramCache]: Analyzing trace with hash -1612304872, now seen corresponding path program 39 times [2022-03-01 16:57:46,242 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:57:46,242 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1368833689] [2022-03-01 16:57:46,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:57:46,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:57:46,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:57:46,821 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:57:46,821 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:57:46,821 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1368833689] [2022-03-01 16:57:46,821 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1368833689] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:57:46,821 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:57:46,822 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-01 16:57:46,822 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1251257915] [2022-03-01 16:57:46,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:57:46,822 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-01 16:57:46,822 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:57:46,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-01 16:57:46,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=528, Unknown=0, NotChecked=0, Total=600 [2022-03-01 16:57:46,822 INFO L87 Difference]: Start difference. First operand 2839 states and 5428 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:57:49,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:57:49,394 INFO L93 Difference]: Finished difference Result 4535 states and 8745 transitions. [2022-03-01 16:57:49,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2022-03-01 16:57:49,395 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 172 [2022-03-01 16:57:49,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:57:49,399 INFO L225 Difference]: With dead ends: 4535 [2022-03-01 16:57:49,400 INFO L226 Difference]: Without dead ends: 4535 [2022-03-01 16:57:49,400 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1637 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=918, Invalid=4934, Unknown=0, NotChecked=0, Total=5852 [2022-03-01 16:57:49,400 INFO L933 BasicCegarLoop]: 336 mSDtfsCounter, 1965 mSDsluCounter, 3833 mSDsCounter, 0 mSdLazyCounter, 2912 mSolverCounterSat, 161 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1965 SdHoareTripleChecker+Valid, 4166 SdHoareTripleChecker+Invalid, 3073 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 161 IncrementalHoareTripleChecker+Valid, 2912 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-03-01 16:57:49,400 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1965 Valid, 4166 Invalid, 3073 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [161 Valid, 2912 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-03-01 16:57:49,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4535 states. [2022-03-01 16:57:49,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4535 to 2847. [2022-03-01 16:57:49,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2847 states, 2835 states have (on average 1.9202821869488536) internal successors, (5444), 2846 states have internal predecessors, (5444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:57:49,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2847 states to 2847 states and 5444 transitions. [2022-03-01 16:57:49,433 INFO L78 Accepts]: Start accepts. Automaton has 2847 states and 5444 transitions. Word has length 172 [2022-03-01 16:57:49,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:57:49,433 INFO L470 AbstractCegarLoop]: Abstraction has 2847 states and 5444 transitions. [2022-03-01 16:57:49,433 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:57:49,433 INFO L276 IsEmpty]: Start isEmpty. Operand 2847 states and 5444 transitions. [2022-03-01 16:57:49,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-01 16:57:49,434 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:57:49,434 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:57:49,434 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable189 [2022-03-01 16:57:49,434 INFO L402 AbstractCegarLoop]: === Iteration 191 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:57:49,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:57:49,434 INFO L85 PathProgramCache]: Analyzing trace with hash -1825578862, now seen corresponding path program 40 times [2022-03-01 16:57:49,434 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:57:49,435 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318320410] [2022-03-01 16:57:49,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:57:49,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:57:49,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:57:50,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:57:50,014 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:57:50,014 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1318320410] [2022-03-01 16:57:50,014 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1318320410] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:57:50,015 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:57:50,015 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-01 16:57:50,015 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1448819587] [2022-03-01 16:57:50,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:57:50,015 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-01 16:57:50,015 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:57:50,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-01 16:57:50,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=533, Unknown=0, NotChecked=0, Total=600 [2022-03-01 16:57:50,015 INFO L87 Difference]: Start difference. First operand 2847 states and 5444 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:57:52,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:57:52,754 INFO L93 Difference]: Finished difference Result 4529 states and 8733 transitions. [2022-03-01 16:57:52,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-03-01 16:57:52,754 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 172 [2022-03-01 16:57:52,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:57:52,759 INFO L225 Difference]: With dead ends: 4529 [2022-03-01 16:57:52,760 INFO L226 Difference]: Without dead ends: 4529 [2022-03-01 16:57:52,760 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1517 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=921, Invalid=4629, Unknown=0, NotChecked=0, Total=5550 [2022-03-01 16:57:52,760 INFO L933 BasicCegarLoop]: 337 mSDtfsCounter, 1808 mSDsluCounter, 4412 mSDsCounter, 0 mSdLazyCounter, 3287 mSolverCounterSat, 174 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1808 SdHoareTripleChecker+Valid, 4746 SdHoareTripleChecker+Invalid, 3461 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 174 IncrementalHoareTripleChecker+Valid, 3287 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:57:52,760 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1808 Valid, 4746 Invalid, 3461 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [174 Valid, 3287 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-03-01 16:57:52,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4529 states. [2022-03-01 16:57:52,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4529 to 2858. [2022-03-01 16:57:52,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2858 states, 2846 states have (on average 1.9205903021784962) internal successors, (5466), 2857 states have internal predecessors, (5466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:57:52,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2858 states to 2858 states and 5466 transitions. [2022-03-01 16:57:52,796 INFO L78 Accepts]: Start accepts. Automaton has 2858 states and 5466 transitions. Word has length 172 [2022-03-01 16:57:52,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:57:52,796 INFO L470 AbstractCegarLoop]: Abstraction has 2858 states and 5466 transitions. [2022-03-01 16:57:52,796 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:57:52,796 INFO L276 IsEmpty]: Start isEmpty. Operand 2858 states and 5466 transitions. [2022-03-01 16:57:52,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-01 16:57:52,797 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:57:52,797 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:57:52,797 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable190 [2022-03-01 16:57:52,798 INFO L402 AbstractCegarLoop]: === Iteration 192 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:57:52,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:57:52,798 INFO L85 PathProgramCache]: Analyzing trace with hash 2426042, now seen corresponding path program 41 times [2022-03-01 16:57:52,798 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:57:52,798 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [120047323] [2022-03-01 16:57:52,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:57:52,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:57:52,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:57:53,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:57:53,249 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:57:53,249 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [120047323] [2022-03-01 16:57:53,250 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [120047323] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:57:53,250 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:57:53,250 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-01 16:57:53,250 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [515151674] [2022-03-01 16:57:53,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:57:53,250 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-01 16:57:53,250 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:57:53,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-01 16:57:53,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=534, Unknown=0, NotChecked=0, Total=600 [2022-03-01 16:57:53,250 INFO L87 Difference]: Start difference. First operand 2858 states and 5466 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:57:56,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:57:56,163 INFO L93 Difference]: Finished difference Result 4620 states and 8911 transitions. [2022-03-01 16:57:56,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2022-03-01 16:57:56,164 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 172 [2022-03-01 16:57:56,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:57:56,169 INFO L225 Difference]: With dead ends: 4620 [2022-03-01 16:57:56,169 INFO L226 Difference]: Without dead ends: 4620 [2022-03-01 16:57:56,170 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1999 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=1008, Invalid=5798, Unknown=0, NotChecked=0, Total=6806 [2022-03-01 16:57:56,170 INFO L933 BasicCegarLoop]: 353 mSDtfsCounter, 1668 mSDsluCounter, 5035 mSDsCounter, 0 mSdLazyCounter, 4146 mSolverCounterSat, 188 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1668 SdHoareTripleChecker+Valid, 5385 SdHoareTripleChecker+Invalid, 4334 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 188 IncrementalHoareTripleChecker+Valid, 4146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-03-01 16:57:56,170 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1668 Valid, 5385 Invalid, 4334 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [188 Valid, 4146 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-03-01 16:57:56,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4620 states. [2022-03-01 16:57:56,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4620 to 2869. [2022-03-01 16:57:56,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2869 states, 2857 states have (on average 1.92089604480224) internal successors, (5488), 2868 states have internal predecessors, (5488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:57:56,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2869 states to 2869 states and 5488 transitions. [2022-03-01 16:57:56,201 INFO L78 Accepts]: Start accepts. Automaton has 2869 states and 5488 transitions. Word has length 172 [2022-03-01 16:57:56,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:57:56,202 INFO L470 AbstractCegarLoop]: Abstraction has 2869 states and 5488 transitions. [2022-03-01 16:57:56,202 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:57:56,202 INFO L276 IsEmpty]: Start isEmpty. Operand 2869 states and 5488 transitions. [2022-03-01 16:57:56,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-01 16:57:56,203 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:57:56,203 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:57:56,203 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable191 [2022-03-01 16:57:56,203 INFO L402 AbstractCegarLoop]: === Iteration 193 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:57:56,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:57:56,203 INFO L85 PathProgramCache]: Analyzing trace with hash 301815442, now seen corresponding path program 42 times [2022-03-01 16:57:56,203 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:57:56,203 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [789553832] [2022-03-01 16:57:56,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:57:56,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:57:56,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:57:56,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:57:56,624 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:57:56,624 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [789553832] [2022-03-01 16:57:56,624 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [789553832] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:57:56,624 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:57:56,624 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-01 16:57:56,624 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [999223734] [2022-03-01 16:57:56,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:57:56,625 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-01 16:57:56,625 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:57:56,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-01 16:57:56,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=533, Unknown=0, NotChecked=0, Total=600 [2022-03-01 16:57:56,625 INFO L87 Difference]: Start difference. First operand 2869 states and 5488 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:57:59,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:57:59,226 INFO L93 Difference]: Finished difference Result 4664 states and 8997 transitions. [2022-03-01 16:57:59,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2022-03-01 16:57:59,226 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 172 [2022-03-01 16:57:59,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:57:59,231 INFO L225 Difference]: With dead ends: 4664 [2022-03-01 16:57:59,231 INFO L226 Difference]: Without dead ends: 4664 [2022-03-01 16:57:59,231 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2131 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=1039, Invalid=6101, Unknown=0, NotChecked=0, Total=7140 [2022-03-01 16:57:59,232 INFO L933 BasicCegarLoop]: 361 mSDtfsCounter, 1854 mSDsluCounter, 4531 mSDsCounter, 0 mSdLazyCounter, 3604 mSolverCounterSat, 246 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1854 SdHoareTripleChecker+Valid, 4889 SdHoareTripleChecker+Invalid, 3850 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 246 IncrementalHoareTripleChecker+Valid, 3604 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:57:59,232 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1854 Valid, 4889 Invalid, 3850 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [246 Valid, 3604 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-03-01 16:57:59,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4664 states. [2022-03-01 16:57:59,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4664 to 2880. [2022-03-01 16:57:59,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2880 states, 2868 states have (on average 1.9211994421199443) internal successors, (5510), 2879 states have internal predecessors, (5510), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:57:59,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2880 states to 2880 states and 5510 transitions. [2022-03-01 16:57:59,265 INFO L78 Accepts]: Start accepts. Automaton has 2880 states and 5510 transitions. Word has length 172 [2022-03-01 16:57:59,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:57:59,265 INFO L470 AbstractCegarLoop]: Abstraction has 2880 states and 5510 transitions. [2022-03-01 16:57:59,265 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:57:59,265 INFO L276 IsEmpty]: Start isEmpty. Operand 2880 states and 5510 transitions. [2022-03-01 16:57:59,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-01 16:57:59,266 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:57:59,266 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:57:59,266 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable192 [2022-03-01 16:57:59,266 INFO L402 AbstractCegarLoop]: === Iteration 194 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:57:59,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:57:59,267 INFO L85 PathProgramCache]: Analyzing trace with hash 1613000378, now seen corresponding path program 43 times [2022-03-01 16:57:59,267 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:57:59,267 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2028640522] [2022-03-01 16:57:59,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:57:59,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:57:59,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:57:59,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:57:59,656 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:57:59,656 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2028640522] [2022-03-01 16:57:59,656 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2028640522] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:57:59,656 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:57:59,657 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-03-01 16:57:59,657 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [485412688] [2022-03-01 16:57:59,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:57:59,657 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-01 16:57:59,657 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:57:59,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-01 16:57:59,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=623, Unknown=0, NotChecked=0, Total=702 [2022-03-01 16:57:59,657 INFO L87 Difference]: Start difference. First operand 2880 states and 5510 transitions. Second operand has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:58:02,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:58:02,149 INFO L93 Difference]: Finished difference Result 5020 states and 9669 transitions. [2022-03-01 16:58:02,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2022-03-01 16:58:02,149 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 172 [2022-03-01 16:58:02,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:58:02,156 INFO L225 Difference]: With dead ends: 5020 [2022-03-01 16:58:02,156 INFO L226 Difference]: Without dead ends: 5020 [2022-03-01 16:58:02,156 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1824 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=781, Invalid=6025, Unknown=0, NotChecked=0, Total=6806 [2022-03-01 16:58:02,157 INFO L933 BasicCegarLoop]: 395 mSDtfsCounter, 1616 mSDsluCounter, 5425 mSDsCounter, 0 mSdLazyCounter, 4427 mSolverCounterSat, 111 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1616 SdHoareTripleChecker+Valid, 5815 SdHoareTripleChecker+Invalid, 4538 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 111 IncrementalHoareTripleChecker+Valid, 4427 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-03-01 16:58:02,157 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1616 Valid, 5815 Invalid, 4538 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [111 Valid, 4427 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-03-01 16:58:02,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5020 states. [2022-03-01 16:58:02,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5020 to 2911. [2022-03-01 16:58:02,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2911 states, 2899 states have (on average 1.922042083477061) internal successors, (5572), 2910 states have internal predecessors, (5572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:58:02,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2911 states to 2911 states and 5572 transitions. [2022-03-01 16:58:02,197 INFO L78 Accepts]: Start accepts. Automaton has 2911 states and 5572 transitions. Word has length 172 [2022-03-01 16:58:02,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:58:02,197 INFO L470 AbstractCegarLoop]: Abstraction has 2911 states and 5572 transitions. [2022-03-01 16:58:02,197 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:58:02,197 INFO L276 IsEmpty]: Start isEmpty. Operand 2911 states and 5572 transitions. [2022-03-01 16:58:02,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-01 16:58:02,198 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:58:02,198 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:58:02,198 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable193 [2022-03-01 16:58:02,198 INFO L402 AbstractCegarLoop]: === Iteration 195 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:58:02,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:58:02,199 INFO L85 PathProgramCache]: Analyzing trace with hash 1985844095, now seen corresponding path program 91 times [2022-03-01 16:58:02,199 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:58:02,199 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995682218] [2022-03-01 16:58:02,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:58:02,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:58:02,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:58:02,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:58:02,538 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:58:02,538 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1995682218] [2022-03-01 16:58:02,538 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1995682218] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:58:02,538 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:58:02,538 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-01 16:58:02,538 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1765930319] [2022-03-01 16:58:02,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:58:02,539 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-01 16:58:02,539 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:58:02,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-01 16:58:02,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=533, Unknown=0, NotChecked=0, Total=600 [2022-03-01 16:58:02,539 INFO L87 Difference]: Start difference. First operand 2911 states and 5572 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:58:05,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:58:05,285 INFO L93 Difference]: Finished difference Result 5391 states and 10336 transitions. [2022-03-01 16:58:05,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2022-03-01 16:58:05,285 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 172 [2022-03-01 16:58:05,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:58:05,292 INFO L225 Difference]: With dead ends: 5391 [2022-03-01 16:58:05,292 INFO L226 Difference]: Without dead ends: 5391 [2022-03-01 16:58:05,293 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1656 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=858, Invalid=5622, Unknown=0, NotChecked=0, Total=6480 [2022-03-01 16:58:05,293 INFO L933 BasicCegarLoop]: 452 mSDtfsCounter, 1908 mSDsluCounter, 5398 mSDsCounter, 0 mSdLazyCounter, 4676 mSolverCounterSat, 225 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1908 SdHoareTripleChecker+Valid, 5846 SdHoareTripleChecker+Invalid, 4901 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 225 IncrementalHoareTripleChecker+Valid, 4676 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-03-01 16:58:05,293 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1908 Valid, 5846 Invalid, 4901 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [225 Valid, 4676 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-03-01 16:58:05,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5391 states. [2022-03-01 16:58:05,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5391 to 2749. [2022-03-01 16:58:05,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2749 states, 2737 states have (on average 1.917427840701498) internal successors, (5248), 2748 states have internal predecessors, (5248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:58:05,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2749 states to 2749 states and 5248 transitions. [2022-03-01 16:58:05,334 INFO L78 Accepts]: Start accepts. Automaton has 2749 states and 5248 transitions. Word has length 172 [2022-03-01 16:58:05,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:58:05,334 INFO L470 AbstractCegarLoop]: Abstraction has 2749 states and 5248 transitions. [2022-03-01 16:58:05,334 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:58:05,334 INFO L276 IsEmpty]: Start isEmpty. Operand 2749 states and 5248 transitions. [2022-03-01 16:58:05,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-01 16:58:05,335 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:58:05,335 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:58:05,335 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable194 [2022-03-01 16:58:05,335 INFO L402 AbstractCegarLoop]: === Iteration 196 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:58:05,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:58:05,336 INFO L85 PathProgramCache]: Analyzing trace with hash -1143714724, now seen corresponding path program 44 times [2022-03-01 16:58:05,336 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:58:05,336 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [120048702] [2022-03-01 16:58:05,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:58:05,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:58:05,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:58:05,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:58:05,698 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:58:05,698 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [120048702] [2022-03-01 16:58:05,699 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [120048702] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:58:05,699 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:58:05,699 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-01 16:58:05,699 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [384293469] [2022-03-01 16:58:05,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:58:05,699 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-01 16:58:05,699 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:58:05,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-01 16:58:05,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=529, Unknown=0, NotChecked=0, Total=600 [2022-03-01 16:58:05,699 INFO L87 Difference]: Start difference. First operand 2749 states and 5248 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:58:07,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:58:07,691 INFO L93 Difference]: Finished difference Result 5081 states and 9729 transitions. [2022-03-01 16:58:07,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2022-03-01 16:58:07,691 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 172 [2022-03-01 16:58:07,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:58:07,697 INFO L225 Difference]: With dead ends: 5081 [2022-03-01 16:58:07,697 INFO L226 Difference]: Without dead ends: 5081 [2022-03-01 16:58:07,697 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1855 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=802, Invalid=6004, Unknown=0, NotChecked=0, Total=6806 [2022-03-01 16:58:07,697 INFO L933 BasicCegarLoop]: 441 mSDtfsCounter, 1661 mSDsluCounter, 4565 mSDsCounter, 0 mSdLazyCounter, 2929 mSolverCounterSat, 104 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1661 SdHoareTripleChecker+Valid, 5003 SdHoareTripleChecker+Invalid, 3033 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 104 IncrementalHoareTripleChecker+Valid, 2929 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-03-01 16:58:07,697 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1661 Valid, 5003 Invalid, 3033 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [104 Valid, 2929 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-03-01 16:58:07,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5081 states. [2022-03-01 16:58:07,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5081 to 2676. [2022-03-01 16:58:07,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2676 states, 2666 states have (on average 1.915603900975244) internal successors, (5107), 2675 states have internal predecessors, (5107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:58:07,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2676 states to 2676 states and 5107 transitions. [2022-03-01 16:58:07,733 INFO L78 Accepts]: Start accepts. Automaton has 2676 states and 5107 transitions. Word has length 172 [2022-03-01 16:58:07,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:58:07,733 INFO L470 AbstractCegarLoop]: Abstraction has 2676 states and 5107 transitions. [2022-03-01 16:58:07,733 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:58:07,733 INFO L276 IsEmpty]: Start isEmpty. Operand 2676 states and 5107 transitions. [2022-03-01 16:58:07,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-01 16:58:07,735 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:58:07,735 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:58:07,735 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable195 [2022-03-01 16:58:07,735 INFO L402 AbstractCegarLoop]: === Iteration 197 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:58:07,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:58:07,735 INFO L85 PathProgramCache]: Analyzing trace with hash -770871007, now seen corresponding path program 92 times [2022-03-01 16:58:07,735 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:58:07,735 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [814456030] [2022-03-01 16:58:07,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:58:07,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:58:07,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:58:08,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:58:08,118 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:58:08,118 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [814456030] [2022-03-01 16:58:08,118 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [814456030] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:58:08,118 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:58:08,118 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-03-01 16:58:08,118 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009090308] [2022-03-01 16:58:08,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:58:08,118 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-01 16:58:08,118 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:58:08,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-01 16:58:08,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=627, Unknown=0, NotChecked=0, Total=702 [2022-03-01 16:58:08,119 INFO L87 Difference]: Start difference. First operand 2676 states and 5107 transitions. Second operand has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:58:11,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:58:11,168 INFO L93 Difference]: Finished difference Result 6145 states and 11724 transitions. [2022-03-01 16:58:11,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2022-03-01 16:58:11,168 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 172 [2022-03-01 16:58:11,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:58:11,176 INFO L225 Difference]: With dead ends: 6145 [2022-03-01 16:58:11,176 INFO L226 Difference]: Without dead ends: 6145 [2022-03-01 16:58:11,177 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2215 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=990, Invalid=7020, Unknown=0, NotChecked=0, Total=8010 [2022-03-01 16:58:11,177 INFO L933 BasicCegarLoop]: 472 mSDtfsCounter, 1792 mSDsluCounter, 6092 mSDsCounter, 0 mSdLazyCounter, 5119 mSolverCounterSat, 215 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1792 SdHoareTripleChecker+Valid, 6558 SdHoareTripleChecker+Invalid, 5334 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 215 IncrementalHoareTripleChecker+Valid, 5119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-03-01 16:58:11,177 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1792 Valid, 6558 Invalid, 5334 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [215 Valid, 5119 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-03-01 16:58:11,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6145 states. [2022-03-01 16:58:11,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6145 to 2568. [2022-03-01 16:58:11,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2568 states, 2558 states have (on average 1.912040656763096) internal successors, (4891), 2567 states have internal predecessors, (4891), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:58:11,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2568 states to 2568 states and 4891 transitions. [2022-03-01 16:58:11,220 INFO L78 Accepts]: Start accepts. Automaton has 2568 states and 4891 transitions. Word has length 172 [2022-03-01 16:58:11,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:58:11,220 INFO L470 AbstractCegarLoop]: Abstraction has 2568 states and 4891 transitions. [2022-03-01 16:58:11,220 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:58:11,220 INFO L276 IsEmpty]: Start isEmpty. Operand 2568 states and 4891 transitions. [2022-03-01 16:58:11,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-01 16:58:11,221 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:58:11,221 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:58:11,221 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable196 [2022-03-01 16:58:11,221 INFO L402 AbstractCegarLoop]: === Iteration 198 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:58:11,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:58:11,221 INFO L85 PathProgramCache]: Analyzing trace with hash -1196576829, now seen corresponding path program 93 times [2022-03-01 16:58:11,221 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:58:11,221 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462204850] [2022-03-01 16:58:11,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:58:11,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:58:11,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:58:11,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:58:11,622 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:58:11,622 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [462204850] [2022-03-01 16:58:11,622 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [462204850] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:58:11,622 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:58:11,622 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-03-01 16:58:11,622 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1505959902] [2022-03-01 16:58:11,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:58:11,622 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-01 16:58:11,622 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:58:11,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-01 16:58:11,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=626, Unknown=0, NotChecked=0, Total=702 [2022-03-01 16:58:11,623 INFO L87 Difference]: Start difference. First operand 2568 states and 4891 transitions. Second operand has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:58:15,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:58:15,040 INFO L93 Difference]: Finished difference Result 5501 states and 10500 transitions. [2022-03-01 16:58:15,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2022-03-01 16:58:15,040 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 172 [2022-03-01 16:58:15,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:58:15,046 INFO L225 Difference]: With dead ends: 5501 [2022-03-01 16:58:15,047 INFO L226 Difference]: Without dead ends: 5501 [2022-03-01 16:58:15,047 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 87 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2103 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=1007, Invalid=6825, Unknown=0, NotChecked=0, Total=7832 [2022-03-01 16:58:15,047 INFO L933 BasicCegarLoop]: 485 mSDtfsCounter, 1776 mSDsluCounter, 6790 mSDsCounter, 0 mSdLazyCounter, 6167 mSolverCounterSat, 218 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1776 SdHoareTripleChecker+Valid, 7268 SdHoareTripleChecker+Invalid, 6385 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 218 IncrementalHoareTripleChecker+Valid, 6167 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-03-01 16:58:15,047 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1776 Valid, 7268 Invalid, 6385 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [218 Valid, 6167 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-03-01 16:58:15,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5501 states. [2022-03-01 16:58:15,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5501 to 2562. [2022-03-01 16:58:15,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2562 states, 2552 states have (on average 1.911833855799373) internal successors, (4879), 2561 states have internal predecessors, (4879), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:58:15,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2562 states to 2562 states and 4879 transitions. [2022-03-01 16:58:15,085 INFO L78 Accepts]: Start accepts. Automaton has 2562 states and 4879 transitions. Word has length 172 [2022-03-01 16:58:15,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:58:15,085 INFO L470 AbstractCegarLoop]: Abstraction has 2562 states and 4879 transitions. [2022-03-01 16:58:15,085 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:58:15,085 INFO L276 IsEmpty]: Start isEmpty. Operand 2562 states and 4879 transitions. [2022-03-01 16:58:15,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-01 16:58:15,086 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:58:15,086 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:58:15,086 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable197 [2022-03-01 16:58:15,086 INFO L402 AbstractCegarLoop]: === Iteration 199 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:58:15,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:58:15,087 INFO L85 PathProgramCache]: Analyzing trace with hash -260514137, now seen corresponding path program 94 times [2022-03-01 16:58:15,087 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:58:15,087 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [247021302] [2022-03-01 16:58:15,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:58:15,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:58:15,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:58:15,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:58:15,467 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:58:15,467 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [247021302] [2022-03-01 16:58:15,467 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [247021302] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:58:15,467 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:58:15,467 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-03-01 16:58:15,467 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1662720953] [2022-03-01 16:58:15,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:58:15,467 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-01 16:58:15,467 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:58:15,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-01 16:58:15,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=628, Unknown=0, NotChecked=0, Total=702 [2022-03-01 16:58:15,468 INFO L87 Difference]: Start difference. First operand 2562 states and 4879 transitions. Second operand has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:58:19,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:58:19,411 INFO L93 Difference]: Finished difference Result 5465 states and 10428 transitions. [2022-03-01 16:58:19,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2022-03-01 16:58:19,412 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 172 [2022-03-01 16:58:19,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:58:19,418 INFO L225 Difference]: With dead ends: 5465 [2022-03-01 16:58:19,418 INFO L226 Difference]: Without dead ends: 5465 [2022-03-01 16:58:19,418 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 89 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2236 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=1036, Invalid=7154, Unknown=0, NotChecked=0, Total=8190 [2022-03-01 16:58:19,418 INFO L933 BasicCegarLoop]: 503 mSDtfsCounter, 1613 mSDsluCounter, 8011 mSDsCounter, 0 mSdLazyCounter, 7561 mSolverCounterSat, 239 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1613 SdHoareTripleChecker+Valid, 8506 SdHoareTripleChecker+Invalid, 7800 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 239 IncrementalHoareTripleChecker+Valid, 7561 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-03-01 16:58:19,418 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1613 Valid, 8506 Invalid, 7800 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [239 Valid, 7561 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-03-01 16:58:19,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5465 states. [2022-03-01 16:58:19,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5465 to 2349. [2022-03-01 16:58:19,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2349 states, 2340 states have (on average 1.902991452991453) internal successors, (4453), 2348 states have internal predecessors, (4453), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:58:19,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2349 states to 2349 states and 4453 transitions. [2022-03-01 16:58:19,453 INFO L78 Accepts]: Start accepts. Automaton has 2349 states and 4453 transitions. Word has length 172 [2022-03-01 16:58:19,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:58:19,454 INFO L470 AbstractCegarLoop]: Abstraction has 2349 states and 4453 transitions. [2022-03-01 16:58:19,454 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:58:19,454 INFO L276 IsEmpty]: Start isEmpty. Operand 2349 states and 4453 transitions. [2022-03-01 16:58:19,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2022-03-01 16:58:19,455 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:58:19,455 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:58:19,455 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable198 [2022-03-01 16:58:19,455 INFO L402 AbstractCegarLoop]: === Iteration 200 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:58:19,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:58:19,455 INFO L85 PathProgramCache]: Analyzing trace with hash 1730185453, now seen corresponding path program 1 times [2022-03-01 16:58:19,455 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:58:19,456 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [689910178] [2022-03-01 16:58:19,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:58:19,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:58:19,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:58:19,933 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:58:19,934 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:58:19,934 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [689910178] [2022-03-01 16:58:19,934 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [689910178] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:58:19,934 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:58:19,934 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-01 16:58:19,934 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1010510419] [2022-03-01 16:58:19,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:58:19,934 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-01 16:58:19,934 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:58:19,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-01 16:58:19,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=528, Unknown=0, NotChecked=0, Total=600 [2022-03-01 16:58:19,935 INFO L87 Difference]: Start difference. First operand 2349 states and 4453 transitions. Second operand has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:58:21,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:58:21,555 INFO L93 Difference]: Finished difference Result 4388 states and 8485 transitions. [2022-03-01 16:58:21,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-03-01 16:58:21,555 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 180 [2022-03-01 16:58:21,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:58:21,560 INFO L225 Difference]: With dead ends: 4388 [2022-03-01 16:58:21,560 INFO L226 Difference]: Without dead ends: 4388 [2022-03-01 16:58:21,560 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 548 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=534, Invalid=2328, Unknown=0, NotChecked=0, Total=2862 [2022-03-01 16:58:21,561 INFO L933 BasicCegarLoop]: 225 mSDtfsCounter, 1647 mSDsluCounter, 2764 mSDsCounter, 0 mSdLazyCounter, 2280 mSolverCounterSat, 148 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1647 SdHoareTripleChecker+Valid, 2985 SdHoareTripleChecker+Invalid, 2428 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 148 IncrementalHoareTripleChecker+Valid, 2280 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-03-01 16:58:21,561 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1647 Valid, 2985 Invalid, 2428 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [148 Valid, 2280 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-03-01 16:58:21,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4388 states. [2022-03-01 16:58:21,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4388 to 2488. [2022-03-01 16:58:21,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2488 states, 2479 states have (on average 1.9084308188785801) internal successors, (4731), 2487 states have internal predecessors, (4731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:58:21,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2488 states to 2488 states and 4731 transitions. [2022-03-01 16:58:21,592 INFO L78 Accepts]: Start accepts. Automaton has 2488 states and 4731 transitions. Word has length 180 [2022-03-01 16:58:21,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:58:21,593 INFO L470 AbstractCegarLoop]: Abstraction has 2488 states and 4731 transitions. [2022-03-01 16:58:21,593 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:58:21,593 INFO L276 IsEmpty]: Start isEmpty. Operand 2488 states and 4731 transitions. [2022-03-01 16:58:21,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2022-03-01 16:58:21,594 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:58:21,594 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:58:21,594 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable199 [2022-03-01 16:58:21,594 INFO L402 AbstractCegarLoop]: === Iteration 201 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:58:21,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:58:21,594 INFO L85 PathProgramCache]: Analyzing trace with hash 846828911, now seen corresponding path program 2 times [2022-03-01 16:58:21,595 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:58:21,595 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [207410807] [2022-03-01 16:58:21,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:58:21,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:58:21,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:58:22,161 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:58:22,162 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:58:22,162 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [207410807] [2022-03-01 16:58:22,162 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [207410807] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:58:22,162 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:58:22,162 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-01 16:58:22,162 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464684088] [2022-03-01 16:58:22,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:58:22,162 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-01 16:58:22,162 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:58:22,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-01 16:58:22,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=533, Unknown=0, NotChecked=0, Total=600 [2022-03-01 16:58:22,163 INFO L87 Difference]: Start difference. First operand 2488 states and 4731 transitions. Second operand has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:58:24,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:58:24,527 INFO L93 Difference]: Finished difference Result 4601 states and 8873 transitions. [2022-03-01 16:58:24,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-03-01 16:58:24,528 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 180 [2022-03-01 16:58:24,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:58:24,532 INFO L225 Difference]: With dead ends: 4601 [2022-03-01 16:58:24,532 INFO L226 Difference]: Without dead ends: 4601 [2022-03-01 16:58:24,532 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1006 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=795, Invalid=3365, Unknown=0, NotChecked=0, Total=4160 [2022-03-01 16:58:24,533 INFO L933 BasicCegarLoop]: 225 mSDtfsCounter, 1951 mSDsluCounter, 3378 mSDsCounter, 0 mSdLazyCounter, 2743 mSolverCounterSat, 219 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1951 SdHoareTripleChecker+Valid, 3599 SdHoareTripleChecker+Invalid, 2962 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 219 IncrementalHoareTripleChecker+Valid, 2743 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-03-01 16:58:24,533 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1951 Valid, 3599 Invalid, 2962 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [219 Valid, 2743 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-03-01 16:58:24,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4601 states. [2022-03-01 16:58:24,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4601 to 2515. [2022-03-01 16:58:24,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2515 states, 2506 states have (on average 1.909417398244214) internal successors, (4785), 2514 states have internal predecessors, (4785), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:58:24,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2515 states to 2515 states and 4785 transitions. [2022-03-01 16:58:24,562 INFO L78 Accepts]: Start accepts. Automaton has 2515 states and 4785 transitions. Word has length 180 [2022-03-01 16:58:24,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:58:24,562 INFO L470 AbstractCegarLoop]: Abstraction has 2515 states and 4785 transitions. [2022-03-01 16:58:24,562 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:58:24,562 INFO L276 IsEmpty]: Start isEmpty. Operand 2515 states and 4785 transitions. [2022-03-01 16:58:24,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2022-03-01 16:58:24,564 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:58:24,564 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:58:24,564 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable200 [2022-03-01 16:58:24,564 INFO L402 AbstractCegarLoop]: === Iteration 202 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:58:24,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:58:24,564 INFO L85 PathProgramCache]: Analyzing trace with hash 1421064685, now seen corresponding path program 3 times [2022-03-01 16:58:24,564 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:58:24,564 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610275655] [2022-03-01 16:58:24,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:58:24,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:58:24,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:58:25,029 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:58:25,029 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:58:25,029 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [610275655] [2022-03-01 16:58:25,029 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [610275655] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:58:25,029 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:58:25,029 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-01 16:58:25,030 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1087690324] [2022-03-01 16:58:25,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:58:25,030 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-01 16:58:25,030 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:58:25,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-01 16:58:25,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=534, Unknown=0, NotChecked=0, Total=600 [2022-03-01 16:58:25,030 INFO L87 Difference]: Start difference. First operand 2515 states and 4785 transitions. Second operand has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:58:26,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:58:26,915 INFO L93 Difference]: Finished difference Result 4497 states and 8697 transitions. [2022-03-01 16:58:26,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-03-01 16:58:26,915 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 180 [2022-03-01 16:58:26,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:58:26,920 INFO L225 Difference]: With dead ends: 4497 [2022-03-01 16:58:26,921 INFO L226 Difference]: Without dead ends: 4497 [2022-03-01 16:58:26,921 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 704 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=628, Invalid=2794, Unknown=0, NotChecked=0, Total=3422 [2022-03-01 16:58:26,921 INFO L933 BasicCegarLoop]: 241 mSDtfsCounter, 1449 mSDsluCounter, 3783 mSDsCounter, 0 mSdLazyCounter, 3018 mSolverCounterSat, 167 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1449 SdHoareTripleChecker+Valid, 4020 SdHoareTripleChecker+Invalid, 3185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 167 IncrementalHoareTripleChecker+Valid, 3018 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-03-01 16:58:26,921 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1449 Valid, 4020 Invalid, 3185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [167 Valid, 3018 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-03-01 16:58:26,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4497 states. [2022-03-01 16:58:26,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4497 to 2522. [2022-03-01 16:58:26,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2522 states, 2513 states have (on average 1.9096697174691604) internal successors, (4799), 2521 states have internal predecessors, (4799), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:58:26,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2522 states to 2522 states and 4799 transitions. [2022-03-01 16:58:26,952 INFO L78 Accepts]: Start accepts. Automaton has 2522 states and 4799 transitions. Word has length 180 [2022-03-01 16:58:26,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:58:26,952 INFO L470 AbstractCegarLoop]: Abstraction has 2522 states and 4799 transitions. [2022-03-01 16:58:26,952 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:58:26,952 INFO L276 IsEmpty]: Start isEmpty. Operand 2522 states and 4799 transitions. [2022-03-01 16:58:26,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2022-03-01 16:58:26,954 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:58:26,954 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:58:26,954 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable201 [2022-03-01 16:58:26,954 INFO L402 AbstractCegarLoop]: === Iteration 203 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:58:26,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:58:26,954 INFO L85 PathProgramCache]: Analyzing trace with hash -1153474253, now seen corresponding path program 4 times [2022-03-01 16:58:26,954 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:58:26,954 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [114609877] [2022-03-01 16:58:26,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:58:26,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:58:26,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:58:27,374 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:58:27,374 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:58:27,374 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [114609877] [2022-03-01 16:58:27,374 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [114609877] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:58:27,374 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:58:27,374 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-01 16:58:27,375 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1351665498] [2022-03-01 16:58:27,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:58:27,375 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-01 16:58:27,375 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:58:27,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-01 16:58:27,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=533, Unknown=0, NotChecked=0, Total=600 [2022-03-01 16:58:27,375 INFO L87 Difference]: Start difference. First operand 2522 states and 4799 transitions. Second operand has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:58:29,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:58:29,200 INFO L93 Difference]: Finished difference Result 4531 states and 8763 transitions. [2022-03-01 16:58:29,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-03-01 16:58:29,200 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 180 [2022-03-01 16:58:29,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:58:29,205 INFO L225 Difference]: With dead ends: 4531 [2022-03-01 16:58:29,206 INFO L226 Difference]: Without dead ends: 4531 [2022-03-01 16:58:29,206 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 774 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=672, Invalid=2988, Unknown=0, NotChecked=0, Total=3660 [2022-03-01 16:58:29,206 INFO L933 BasicCegarLoop]: 249 mSDtfsCounter, 1567 mSDsluCounter, 3388 mSDsCounter, 0 mSdLazyCounter, 2801 mSolverCounterSat, 190 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1567 SdHoareTripleChecker+Valid, 3633 SdHoareTripleChecker+Invalid, 2991 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 190 IncrementalHoareTripleChecker+Valid, 2801 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-03-01 16:58:29,206 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1567 Valid, 3633 Invalid, 2991 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [190 Valid, 2801 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-03-01 16:58:29,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4531 states. [2022-03-01 16:58:29,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4531 to 2529. [2022-03-01 16:58:29,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2529 states, 2520 states have (on average 1.909920634920635) internal successors, (4813), 2528 states have internal predecessors, (4813), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:58:29,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2529 states to 2529 states and 4813 transitions. [2022-03-01 16:58:29,239 INFO L78 Accepts]: Start accepts. Automaton has 2529 states and 4813 transitions. Word has length 180 [2022-03-01 16:58:29,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:58:29,239 INFO L470 AbstractCegarLoop]: Abstraction has 2529 states and 4813 transitions. [2022-03-01 16:58:29,239 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:58:29,240 INFO L276 IsEmpty]: Start isEmpty. Operand 2529 states and 4813 transitions. [2022-03-01 16:58:29,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2022-03-01 16:58:29,241 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:58:29,241 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:58:29,241 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable202 [2022-03-01 16:58:29,241 INFO L402 AbstractCegarLoop]: === Iteration 204 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:58:29,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:58:29,241 INFO L85 PathProgramCache]: Analyzing trace with hash 1942093131, now seen corresponding path program 5 times [2022-03-01 16:58:29,241 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:58:29,241 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [188272029] [2022-03-01 16:58:29,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:58:29,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:58:29,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:58:29,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:58:29,761 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:58:29,761 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [188272029] [2022-03-01 16:58:29,761 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [188272029] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:58:29,761 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:58:29,761 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-01 16:58:29,761 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [958119757] [2022-03-01 16:58:29,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:58:29,761 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-01 16:58:29,761 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:58:29,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-01 16:58:29,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=525, Unknown=0, NotChecked=0, Total=600 [2022-03-01 16:58:29,762 INFO L87 Difference]: Start difference. First operand 2529 states and 4813 transitions. Second operand has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:58:31,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:58:31,144 INFO L93 Difference]: Finished difference Result 5042 states and 9711 transitions. [2022-03-01 16:58:31,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2022-03-01 16:58:31,144 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 180 [2022-03-01 16:58:31,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:58:31,151 INFO L225 Difference]: With dead ends: 5042 [2022-03-01 16:58:31,151 INFO L226 Difference]: Without dead ends: 5042 [2022-03-01 16:58:31,151 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 571 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=485, Invalid=2377, Unknown=0, NotChecked=0, Total=2862 [2022-03-01 16:58:31,152 INFO L933 BasicCegarLoop]: 249 mSDtfsCounter, 1405 mSDsluCounter, 2122 mSDsCounter, 0 mSdLazyCounter, 1788 mSolverCounterSat, 148 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1405 SdHoareTripleChecker+Valid, 2367 SdHoareTripleChecker+Invalid, 1936 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 148 IncrementalHoareTripleChecker+Valid, 1788 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-03-01 16:58:31,152 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1405 Valid, 2367 Invalid, 1936 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [148 Valid, 1788 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-03-01 16:58:31,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5042 states. [2022-03-01 16:58:31,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5042 to 2599. [2022-03-01 16:58:31,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2599 states, 2590 states have (on average 1.9123552123552123) internal successors, (4953), 2598 states have internal predecessors, (4953), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:58:31,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2599 states to 2599 states and 4953 transitions. [2022-03-01 16:58:31,190 INFO L78 Accepts]: Start accepts. Automaton has 2599 states and 4953 transitions. Word has length 180 [2022-03-01 16:58:31,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:58:31,190 INFO L470 AbstractCegarLoop]: Abstraction has 2599 states and 4953 transitions. [2022-03-01 16:58:31,190 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:58:31,190 INFO L276 IsEmpty]: Start isEmpty. Operand 2599 states and 4953 transitions. [2022-03-01 16:58:31,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2022-03-01 16:58:31,191 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:58:31,191 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:58:31,191 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable203 [2022-03-01 16:58:31,192 INFO L402 AbstractCegarLoop]: === Iteration 205 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:58:31,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:58:31,192 INFO L85 PathProgramCache]: Analyzing trace with hash -1155238615, now seen corresponding path program 6 times [2022-03-01 16:58:31,192 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:58:31,192 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277237667] [2022-03-01 16:58:31,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:58:31,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:58:31,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:58:31,697 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:58:31,698 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:58:31,698 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [277237667] [2022-03-01 16:58:31,698 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [277237667] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:58:31,698 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:58:31,698 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-01 16:58:31,698 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003233851] [2022-03-01 16:58:31,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:58:31,698 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-01 16:58:31,698 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:58:31,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-01 16:58:31,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=526, Unknown=0, NotChecked=0, Total=600 [2022-03-01 16:58:31,699 INFO L87 Difference]: Start difference. First operand 2599 states and 4953 transitions. Second operand has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:58:33,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:58:33,529 INFO L93 Difference]: Finished difference Result 5144 states and 9913 transitions. [2022-03-01 16:58:33,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-03-01 16:58:33,529 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 180 [2022-03-01 16:58:33,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:58:33,536 INFO L225 Difference]: With dead ends: 5144 [2022-03-01 16:58:33,536 INFO L226 Difference]: Without dead ends: 5144 [2022-03-01 16:58:33,537 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 827 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=595, Invalid=3065, Unknown=0, NotChecked=0, Total=3660 [2022-03-01 16:58:33,537 INFO L933 BasicCegarLoop]: 257 mSDtfsCounter, 1393 mSDsluCounter, 3458 mSDsCounter, 0 mSdLazyCounter, 2650 mSolverCounterSat, 126 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1393 SdHoareTripleChecker+Valid, 3711 SdHoareTripleChecker+Invalid, 2776 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 126 IncrementalHoareTripleChecker+Valid, 2650 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-03-01 16:58:33,537 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1393 Valid, 3711 Invalid, 2776 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [126 Valid, 2650 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-03-01 16:58:33,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5144 states. [2022-03-01 16:58:33,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5144 to 2611. [2022-03-01 16:58:33,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2611 states, 2602 states have (on average 1.9127594158339738) internal successors, (4977), 2610 states have internal predecessors, (4977), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:58:33,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2611 states to 2611 states and 4977 transitions. [2022-03-01 16:58:33,575 INFO L78 Accepts]: Start accepts. Automaton has 2611 states and 4977 transitions. Word has length 180 [2022-03-01 16:58:33,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:58:33,575 INFO L470 AbstractCegarLoop]: Abstraction has 2611 states and 4977 transitions. [2022-03-01 16:58:33,575 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:58:33,575 INFO L276 IsEmpty]: Start isEmpty. Operand 2611 states and 4977 transitions. [2022-03-01 16:58:33,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2022-03-01 16:58:33,577 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:58:33,577 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:58:33,577 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable204 [2022-03-01 16:58:33,577 INFO L402 AbstractCegarLoop]: === Iteration 206 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:58:33,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:58:33,577 INFO L85 PathProgramCache]: Analyzing trace with hash -1385198039, now seen corresponding path program 7 times [2022-03-01 16:58:33,577 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:58:33,577 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386166164] [2022-03-01 16:58:33,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:58:33,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:58:33,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:58:34,070 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:58:34,071 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:58:34,071 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1386166164] [2022-03-01 16:58:34,071 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1386166164] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:58:34,071 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:58:34,071 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-01 16:58:34,071 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079408000] [2022-03-01 16:58:34,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:58:34,071 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-01 16:58:34,071 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:58:34,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-01 16:58:34,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=527, Unknown=0, NotChecked=0, Total=600 [2022-03-01 16:58:34,072 INFO L87 Difference]: Start difference. First operand 2611 states and 4977 transitions. Second operand has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:58:35,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:58:35,863 INFO L93 Difference]: Finished difference Result 5204 states and 10030 transitions. [2022-03-01 16:58:35,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-03-01 16:58:35,863 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 180 [2022-03-01 16:58:35,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:58:35,869 INFO L225 Difference]: With dead ends: 5204 [2022-03-01 16:58:35,869 INFO L226 Difference]: Without dead ends: 5204 [2022-03-01 16:58:35,869 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 882 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=646, Invalid=3260, Unknown=0, NotChecked=0, Total=3906 [2022-03-01 16:58:35,869 INFO L933 BasicCegarLoop]: 265 mSDtfsCounter, 1829 mSDsluCounter, 2961 mSDsCounter, 0 mSdLazyCounter, 2311 mSolverCounterSat, 157 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1829 SdHoareTripleChecker+Valid, 3222 SdHoareTripleChecker+Invalid, 2468 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 157 IncrementalHoareTripleChecker+Valid, 2311 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-03-01 16:58:35,870 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1829 Valid, 3222 Invalid, 2468 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [157 Valid, 2311 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-03-01 16:58:35,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5204 states. [2022-03-01 16:58:35,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5204 to 2629. [2022-03-01 16:58:35,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2629 states, 2620 states have (on average 1.9133587786259543) internal successors, (5013), 2628 states have internal predecessors, (5013), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:58:35,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2629 states to 2629 states and 5013 transitions. [2022-03-01 16:58:35,905 INFO L78 Accepts]: Start accepts. Automaton has 2629 states and 5013 transitions. Word has length 180 [2022-03-01 16:58:35,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:58:35,906 INFO L470 AbstractCegarLoop]: Abstraction has 2629 states and 5013 transitions. [2022-03-01 16:58:35,906 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:58:35,906 INFO L276 IsEmpty]: Start isEmpty. Operand 2629 states and 5013 transitions. [2022-03-01 16:58:35,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2022-03-01 16:58:35,907 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:58:35,907 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:58:35,907 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable205 [2022-03-01 16:58:35,908 INFO L402 AbstractCegarLoop]: === Iteration 207 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:58:35,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:58:35,908 INFO L85 PathProgramCache]: Analyzing trace with hash -958703993, now seen corresponding path program 8 times [2022-03-01 16:58:35,908 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:58:35,908 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1753695323] [2022-03-01 16:58:35,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:58:35,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:58:35,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:58:36,401 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:58:36,401 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:58:36,401 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1753695323] [2022-03-01 16:58:36,401 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1753695323] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:58:36,401 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:58:36,401 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-01 16:58:36,401 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1774974570] [2022-03-01 16:58:36,401 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:58:36,402 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-01 16:58:36,402 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:58:36,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-01 16:58:36,402 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=528, Unknown=0, NotChecked=0, Total=600 [2022-03-01 16:58:36,402 INFO L87 Difference]: Start difference. First operand 2629 states and 5013 transitions. Second operand has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:58:38,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:58:38,539 INFO L93 Difference]: Finished difference Result 4237 states and 8123 transitions. [2022-03-01 16:58:38,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-03-01 16:58:38,540 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 180 [2022-03-01 16:58:38,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:58:38,545 INFO L225 Difference]: With dead ends: 4237 [2022-03-01 16:58:38,545 INFO L226 Difference]: Without dead ends: 4237 [2022-03-01 16:58:38,545 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 999 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=684, Invalid=3738, Unknown=0, NotChecked=0, Total=4422 [2022-03-01 16:58:38,545 INFO L933 BasicCegarLoop]: 314 mSDtfsCounter, 1710 mSDsluCounter, 4077 mSDsCounter, 0 mSdLazyCounter, 3168 mSolverCounterSat, 151 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1710 SdHoareTripleChecker+Valid, 4387 SdHoareTripleChecker+Invalid, 3319 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 151 IncrementalHoareTripleChecker+Valid, 3168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-03-01 16:58:38,546 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1710 Valid, 4387 Invalid, 3319 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [151 Valid, 3168 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-03-01 16:58:38,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4237 states. [2022-03-01 16:58:38,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4237 to 2603. [2022-03-01 16:58:38,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2603 states, 2594 states have (on average 1.912490362374711) internal successors, (4961), 2602 states have internal predecessors, (4961), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:58:38,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2603 states to 2603 states and 4961 transitions. [2022-03-01 16:58:38,579 INFO L78 Accepts]: Start accepts. Automaton has 2603 states and 4961 transitions. Word has length 180 [2022-03-01 16:58:38,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:58:38,579 INFO L470 AbstractCegarLoop]: Abstraction has 2603 states and 4961 transitions. [2022-03-01 16:58:38,580 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:58:38,580 INFO L276 IsEmpty]: Start isEmpty. Operand 2603 states and 4961 transitions. [2022-03-01 16:58:38,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2022-03-01 16:58:38,581 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:58:38,581 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:58:38,581 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable206 [2022-03-01 16:58:38,581 INFO L402 AbstractCegarLoop]: === Iteration 208 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:58:38,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:58:38,581 INFO L85 PathProgramCache]: Analyzing trace with hash -2100227311, now seen corresponding path program 9 times [2022-03-01 16:58:38,582 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:58:38,582 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [392862508] [2022-03-01 16:58:38,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:58:38,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:58:38,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:58:39,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:58:39,052 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:58:39,052 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [392862508] [2022-03-01 16:58:39,052 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [392862508] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:58:39,052 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:58:39,052 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-01 16:58:39,052 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818903917] [2022-03-01 16:58:39,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:58:39,052 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-01 16:58:39,052 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:58:39,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-01 16:58:39,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=528, Unknown=0, NotChecked=0, Total=600 [2022-03-01 16:58:39,053 INFO L87 Difference]: Start difference. First operand 2603 states and 4961 transitions. Second operand has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:58:40,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:58:40,846 INFO L93 Difference]: Finished difference Result 3593 states and 6924 transitions. [2022-03-01 16:58:40,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-03-01 16:58:40,847 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 180 [2022-03-01 16:58:40,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:58:40,851 INFO L225 Difference]: With dead ends: 3593 [2022-03-01 16:58:40,851 INFO L226 Difference]: Without dead ends: 3593 [2022-03-01 16:58:40,852 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 960 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=698, Invalid=3462, Unknown=0, NotChecked=0, Total=4160 [2022-03-01 16:58:40,852 INFO L933 BasicCegarLoop]: 255 mSDtfsCounter, 1319 mSDsluCounter, 3350 mSDsCounter, 0 mSdLazyCounter, 2426 mSolverCounterSat, 143 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1319 SdHoareTripleChecker+Valid, 3602 SdHoareTripleChecker+Invalid, 2569 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 143 IncrementalHoareTripleChecker+Valid, 2426 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-03-01 16:58:40,852 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1319 Valid, 3602 Invalid, 2569 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [143 Valid, 2426 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-03-01 16:58:40,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3593 states. [2022-03-01 16:58:40,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3593 to 2689. [2022-03-01 16:58:40,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2689 states, 2680 states have (on average 1.9152985074626865) internal successors, (5133), 2688 states have internal predecessors, (5133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:58:40,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2689 states to 2689 states and 5133 transitions. [2022-03-01 16:58:40,883 INFO L78 Accepts]: Start accepts. Automaton has 2689 states and 5133 transitions. Word has length 180 [2022-03-01 16:58:40,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:58:40,883 INFO L470 AbstractCegarLoop]: Abstraction has 2689 states and 5133 transitions. [2022-03-01 16:58:40,883 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:58:40,883 INFO L276 IsEmpty]: Start isEmpty. Operand 2689 states and 5133 transitions. [2022-03-01 16:58:40,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2022-03-01 16:58:40,885 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:58:40,885 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:58:40,885 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable207 [2022-03-01 16:58:40,885 INFO L402 AbstractCegarLoop]: === Iteration 209 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:58:40,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:58:40,885 INFO L85 PathProgramCache]: Analyzing trace with hash 1311383443, now seen corresponding path program 10 times [2022-03-01 16:58:40,885 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:58:40,885 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1700663194] [2022-03-01 16:58:40,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:58:40,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:58:40,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:58:41,476 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:58:41,476 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:58:41,476 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1700663194] [2022-03-01 16:58:41,479 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1700663194] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:58:41,479 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:58:41,479 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-01 16:58:41,479 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234438055] [2022-03-01 16:58:41,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:58:41,479 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-01 16:58:41,479 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:58:41,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-01 16:58:41,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=533, Unknown=0, NotChecked=0, Total=600 [2022-03-01 16:58:41,480 INFO L87 Difference]: Start difference. First operand 2689 states and 5133 transitions. Second operand has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:58:44,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:58:44,021 INFO L93 Difference]: Finished difference Result 4562 states and 8804 transitions. [2022-03-01 16:58:44,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-03-01 16:58:44,021 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 180 [2022-03-01 16:58:44,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:58:44,026 INFO L225 Difference]: With dead ends: 4562 [2022-03-01 16:58:44,027 INFO L226 Difference]: Without dead ends: 4562 [2022-03-01 16:58:44,027 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1046 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=769, Invalid=3521, Unknown=0, NotChecked=0, Total=4290 [2022-03-01 16:58:44,027 INFO L933 BasicCegarLoop]: 260 mSDtfsCounter, 1435 mSDsluCounter, 3965 mSDsCounter, 0 mSdLazyCounter, 3066 mSolverCounterSat, 173 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1435 SdHoareTripleChecker+Valid, 4222 SdHoareTripleChecker+Invalid, 3239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 173 IncrementalHoareTripleChecker+Valid, 3066 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:58:44,027 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1435 Valid, 4222 Invalid, 3239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [173 Valid, 3066 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-03-01 16:58:44,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4562 states. [2022-03-01 16:58:44,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4562 to 2685. [2022-03-01 16:58:44,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2685 states, 2676 states have (on average 1.9151718983557549) internal successors, (5125), 2684 states have internal predecessors, (5125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:58:44,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2685 states to 2685 states and 5125 transitions. [2022-03-01 16:58:44,061 INFO L78 Accepts]: Start accepts. Automaton has 2685 states and 5125 transitions. Word has length 180 [2022-03-01 16:58:44,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:58:44,061 INFO L470 AbstractCegarLoop]: Abstraction has 2685 states and 5125 transitions. [2022-03-01 16:58:44,061 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:58:44,061 INFO L276 IsEmpty]: Start isEmpty. Operand 2685 states and 5125 transitions. [2022-03-01 16:58:44,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2022-03-01 16:58:44,063 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:58:44,063 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:58:44,063 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable208 [2022-03-01 16:58:44,063 INFO L402 AbstractCegarLoop]: === Iteration 210 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:58:44,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:58:44,063 INFO L85 PathProgramCache]: Analyzing trace with hash 1885619217, now seen corresponding path program 11 times [2022-03-01 16:58:44,064 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:58:44,064 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1856271704] [2022-03-01 16:58:44,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:58:44,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:58:44,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:58:44,503 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:58:44,503 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:58:44,503 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1856271704] [2022-03-01 16:58:44,503 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1856271704] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:58:44,503 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:58:44,503 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-01 16:58:44,503 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204960074] [2022-03-01 16:58:44,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:58:44,503 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-01 16:58:44,503 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:58:44,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-01 16:58:44,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=534, Unknown=0, NotChecked=0, Total=600 [2022-03-01 16:58:44,504 INFO L87 Difference]: Start difference. First operand 2685 states and 5125 transitions. Second operand has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:58:46,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:58:46,623 INFO L93 Difference]: Finished difference Result 3681 states and 7094 transitions. [2022-03-01 16:58:46,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-03-01 16:58:46,623 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 180 [2022-03-01 16:58:46,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:58:46,628 INFO L225 Difference]: With dead ends: 3681 [2022-03-01 16:58:46,628 INFO L226 Difference]: Without dead ends: 3681 [2022-03-01 16:58:46,628 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1152 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=733, Invalid=3959, Unknown=0, NotChecked=0, Total=4692 [2022-03-01 16:58:46,629 INFO L933 BasicCegarLoop]: 272 mSDtfsCounter, 1482 mSDsluCounter, 4095 mSDsCounter, 0 mSdLazyCounter, 3182 mSolverCounterSat, 186 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1482 SdHoareTripleChecker+Valid, 4364 SdHoareTripleChecker+Invalid, 3368 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 186 IncrementalHoareTripleChecker+Valid, 3182 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-03-01 16:58:46,629 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1482 Valid, 4364 Invalid, 3368 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [186 Valid, 3182 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-03-01 16:58:46,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3681 states. [2022-03-01 16:58:46,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3681 to 2679. [2022-03-01 16:58:46,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2679 states, 2670 states have (on average 1.9149812734082396) internal successors, (5113), 2678 states have internal predecessors, (5113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:58:46,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2679 states to 2679 states and 5113 transitions. [2022-03-01 16:58:46,661 INFO L78 Accepts]: Start accepts. Automaton has 2679 states and 5113 transitions. Word has length 180 [2022-03-01 16:58:46,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:58:46,661 INFO L470 AbstractCegarLoop]: Abstraction has 2679 states and 5113 transitions. [2022-03-01 16:58:46,661 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:58:46,661 INFO L276 IsEmpty]: Start isEmpty. Operand 2679 states and 5113 transitions. [2022-03-01 16:58:46,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2022-03-01 16:58:46,663 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:58:46,663 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:58:46,663 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable209 [2022-03-01 16:58:46,663 INFO L402 AbstractCegarLoop]: === Iteration 211 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:58:46,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:58:46,663 INFO L85 PathProgramCache]: Analyzing trace with hash -688919721, now seen corresponding path program 12 times [2022-03-01 16:58:46,663 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:58:46,663 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [996402087] [2022-03-01 16:58:46,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:58:46,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:58:46,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:58:47,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:58:47,108 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:58:47,108 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [996402087] [2022-03-01 16:58:47,108 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [996402087] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:58:47,108 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:58:47,108 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-01 16:58:47,108 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1858463913] [2022-03-01 16:58:47,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:58:47,109 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-01 16:58:47,109 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:58:47,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-01 16:58:47,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=533, Unknown=0, NotChecked=0, Total=600 [2022-03-01 16:58:47,109 INFO L87 Difference]: Start difference. First operand 2679 states and 5113 transitions. Second operand has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:58:49,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:58:49,088 INFO L93 Difference]: Finished difference Result 3676 states and 7081 transitions. [2022-03-01 16:58:49,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-03-01 16:58:49,089 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 180 [2022-03-01 16:58:49,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:58:49,093 INFO L225 Difference]: With dead ends: 3676 [2022-03-01 16:58:49,093 INFO L226 Difference]: Without dead ends: 3676 [2022-03-01 16:58:49,094 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1208 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=736, Invalid=4094, Unknown=0, NotChecked=0, Total=4830 [2022-03-01 16:58:49,094 INFO L933 BasicCegarLoop]: 280 mSDtfsCounter, 1351 mSDsluCounter, 3468 mSDsCounter, 0 mSdLazyCounter, 2821 mSolverCounterSat, 215 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1351 SdHoareTripleChecker+Valid, 3745 SdHoareTripleChecker+Invalid, 3036 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 215 IncrementalHoareTripleChecker+Valid, 2821 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-03-01 16:58:49,094 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1351 Valid, 3745 Invalid, 3036 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [215 Valid, 2821 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-03-01 16:58:49,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3676 states. [2022-03-01 16:58:49,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3676 to 2599. [2022-03-01 16:58:49,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2599 states, 2590 states have (on average 1.9123552123552123) internal successors, (4953), 2598 states have internal predecessors, (4953), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:58:49,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2599 states to 2599 states and 4953 transitions. [2022-03-01 16:58:49,138 INFO L78 Accepts]: Start accepts. Automaton has 2599 states and 4953 transitions. Word has length 180 [2022-03-01 16:58:49,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:58:49,138 INFO L470 AbstractCegarLoop]: Abstraction has 2599 states and 4953 transitions. [2022-03-01 16:58:49,138 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:58:49,138 INFO L276 IsEmpty]: Start isEmpty. Operand 2599 states and 4953 transitions. [2022-03-01 16:58:49,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2022-03-01 16:58:49,139 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:58:49,139 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:58:49,140 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable210 [2022-03-01 16:58:49,140 INFO L402 AbstractCegarLoop]: === Iteration 212 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:58:49,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:58:49,140 INFO L85 PathProgramCache]: Analyzing trace with hash 1753458733, now seen corresponding path program 13 times [2022-03-01 16:58:49,140 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:58:49,140 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1221712470] [2022-03-01 16:58:49,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:58:49,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:58:49,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:58:49,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:58:49,608 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:58:49,608 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1221712470] [2022-03-01 16:58:49,608 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1221712470] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:58:49,608 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:58:49,608 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-01 16:58:49,608 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1180658443] [2022-03-01 16:58:49,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:58:49,608 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-01 16:58:49,609 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:58:49,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-01 16:58:49,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=528, Unknown=0, NotChecked=0, Total=600 [2022-03-01 16:58:49,609 INFO L87 Difference]: Start difference. First operand 2599 states and 4953 transitions. Second operand has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:58:51,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:58:51,586 INFO L93 Difference]: Finished difference Result 4209 states and 8102 transitions. [2022-03-01 16:58:51,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2022-03-01 16:58:51,587 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 180 [2022-03-01 16:58:51,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:58:51,592 INFO L225 Difference]: With dead ends: 4209 [2022-03-01 16:58:51,592 INFO L226 Difference]: Without dead ends: 4209 [2022-03-01 16:58:51,593 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1592 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=919, Invalid=4933, Unknown=0, NotChecked=0, Total=5852 [2022-03-01 16:58:51,593 INFO L933 BasicCegarLoop]: 276 mSDtfsCounter, 1967 mSDsluCounter, 2972 mSDsCounter, 0 mSdLazyCounter, 2157 mSolverCounterSat, 187 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1967 SdHoareTripleChecker+Valid, 3245 SdHoareTripleChecker+Invalid, 2344 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 187 IncrementalHoareTripleChecker+Valid, 2157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-03-01 16:58:51,593 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1967 Valid, 3245 Invalid, 2344 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [187 Valid, 2157 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-03-01 16:58:51,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4209 states. [2022-03-01 16:58:51,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4209 to 2673. [2022-03-01 16:58:51,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2673 states, 2664 states have (on average 1.9147897897897899) internal successors, (5101), 2672 states have internal predecessors, (5101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:58:51,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2673 states to 2673 states and 5101 transitions. [2022-03-01 16:58:51,626 INFO L78 Accepts]: Start accepts. Automaton has 2673 states and 5101 transitions. Word has length 180 [2022-03-01 16:58:51,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:58:51,626 INFO L470 AbstractCegarLoop]: Abstraction has 2673 states and 5101 transitions. [2022-03-01 16:58:51,626 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:58:51,626 INFO L276 IsEmpty]: Start isEmpty. Operand 2673 states and 5101 transitions. [2022-03-01 16:58:51,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2022-03-01 16:58:51,627 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:58:51,627 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:58:51,628 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable211 [2022-03-01 16:58:51,628 INFO L402 AbstractCegarLoop]: === Iteration 213 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:58:51,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:58:51,628 INFO L85 PathProgramCache]: Analyzing trace with hash 870102191, now seen corresponding path program 14 times [2022-03-01 16:58:51,628 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:58:51,628 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1780216545] [2022-03-01 16:58:51,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:58:51,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:58:51,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:58:52,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:58:52,209 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:58:52,209 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1780216545] [2022-03-01 16:58:52,209 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1780216545] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:58:52,209 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:58:52,209 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-01 16:58:52,209 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1702273041] [2022-03-01 16:58:52,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:58:52,210 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-01 16:58:52,210 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:58:52,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-01 16:58:52,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=533, Unknown=0, NotChecked=0, Total=600 [2022-03-01 16:58:52,210 INFO L87 Difference]: Start difference. First operand 2673 states and 5101 transitions. Second operand has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:58:54,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:58:54,812 INFO L93 Difference]: Finished difference Result 4949 states and 9568 transitions. [2022-03-01 16:58:54,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-03-01 16:58:54,812 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 180 [2022-03-01 16:58:54,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:58:54,819 INFO L225 Difference]: With dead ends: 4949 [2022-03-01 16:58:54,819 INFO L226 Difference]: Without dead ends: 4949 [2022-03-01 16:58:54,820 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1346 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=928, Invalid=4184, Unknown=0, NotChecked=0, Total=5112 [2022-03-01 16:58:54,820 INFO L933 BasicCegarLoop]: 281 mSDtfsCounter, 2142 mSDsluCounter, 3589 mSDsCounter, 0 mSdLazyCounter, 2830 mSolverCounterSat, 225 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2142 SdHoareTripleChecker+Valid, 3867 SdHoareTripleChecker+Invalid, 3055 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 225 IncrementalHoareTripleChecker+Valid, 2830 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-03-01 16:58:54,820 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2142 Valid, 3867 Invalid, 3055 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [225 Valid, 2830 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-03-01 16:58:54,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4949 states. [2022-03-01 16:58:54,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4949 to 2669. [2022-03-01 16:58:54,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2669 states, 2660 states have (on average 1.9146616541353383) internal successors, (5093), 2668 states have internal predecessors, (5093), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:58:54,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2669 states to 2669 states and 5093 transitions. [2022-03-01 16:58:54,864 INFO L78 Accepts]: Start accepts. Automaton has 2669 states and 5093 transitions. Word has length 180 [2022-03-01 16:58:54,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:58:54,864 INFO L470 AbstractCegarLoop]: Abstraction has 2669 states and 5093 transitions. [2022-03-01 16:58:54,864 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:58:54,864 INFO L276 IsEmpty]: Start isEmpty. Operand 2669 states and 5093 transitions. [2022-03-01 16:58:54,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2022-03-01 16:58:54,866 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:58:54,866 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:58:54,866 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable212 [2022-03-01 16:58:54,866 INFO L402 AbstractCegarLoop]: === Iteration 214 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:58:54,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:58:54,866 INFO L85 PathProgramCache]: Analyzing trace with hash 1444337965, now seen corresponding path program 15 times [2022-03-01 16:58:54,866 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:58:54,867 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1624016764] [2022-03-01 16:58:54,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:58:54,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:58:54,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:58:55,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:58:55,307 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:58:55,307 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1624016764] [2022-03-01 16:58:55,307 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1624016764] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:58:55,307 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:58:55,308 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-01 16:58:55,308 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881782788] [2022-03-01 16:58:55,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:58:55,308 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-01 16:58:55,308 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:58:55,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-01 16:58:55,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=534, Unknown=0, NotChecked=0, Total=600 [2022-03-01 16:58:55,308 INFO L87 Difference]: Start difference. First operand 2669 states and 5093 transitions. Second operand has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:58:57,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:58:57,689 INFO L93 Difference]: Finished difference Result 4297 states and 8272 transitions. [2022-03-01 16:58:57,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2022-03-01 16:58:57,689 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 180 [2022-03-01 16:58:57,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:58:57,695 INFO L225 Difference]: With dead ends: 4297 [2022-03-01 16:58:57,695 INFO L226 Difference]: Without dead ends: 4297 [2022-03-01 16:58:57,695 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1961 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=991, Invalid=5815, Unknown=0, NotChecked=0, Total=6806 [2022-03-01 16:58:57,695 INFO L933 BasicCegarLoop]: 293 mSDtfsCounter, 1667 mSDsluCounter, 3847 mSDsCounter, 0 mSdLazyCounter, 2946 mSolverCounterSat, 220 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1667 SdHoareTripleChecker+Valid, 4137 SdHoareTripleChecker+Invalid, 3166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 220 IncrementalHoareTripleChecker+Valid, 2946 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-03-01 16:58:57,696 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1667 Valid, 4137 Invalid, 3166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [220 Valid, 2946 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-03-01 16:58:57,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4297 states. [2022-03-01 16:58:57,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4297 to 2663. [2022-03-01 16:58:57,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2663 states, 2654 states have (on average 1.9144687264506406) internal successors, (5081), 2662 states have internal predecessors, (5081), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:58:57,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2663 states to 2663 states and 5081 transitions. [2022-03-01 16:58:57,729 INFO L78 Accepts]: Start accepts. Automaton has 2663 states and 5081 transitions. Word has length 180 [2022-03-01 16:58:57,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:58:57,729 INFO L470 AbstractCegarLoop]: Abstraction has 2663 states and 5081 transitions. [2022-03-01 16:58:57,729 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:58:57,729 INFO L276 IsEmpty]: Start isEmpty. Operand 2663 states and 5081 transitions. [2022-03-01 16:58:57,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2022-03-01 16:58:57,730 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:58:57,730 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:58:57,731 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable213 [2022-03-01 16:58:57,731 INFO L402 AbstractCegarLoop]: === Iteration 215 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:58:57,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:58:57,731 INFO L85 PathProgramCache]: Analyzing trace with hash -1130200973, now seen corresponding path program 16 times [2022-03-01 16:58:57,731 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:58:57,731 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [921226286] [2022-03-01 16:58:57,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:58:57,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:58:57,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:58:58,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:58:58,158 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:58:58,158 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [921226286] [2022-03-01 16:58:58,158 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [921226286] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:58:58,158 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:58:58,158 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-01 16:58:58,158 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1882345774] [2022-03-01 16:58:58,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:58:58,159 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-01 16:58:58,159 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:58:58,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-01 16:58:58,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=533, Unknown=0, NotChecked=0, Total=600 [2022-03-01 16:58:58,159 INFO L87 Difference]: Start difference. First operand 2663 states and 5081 transitions. Second operand has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:59:00,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:59:00,644 INFO L93 Difference]: Finished difference Result 4267 states and 8214 transitions. [2022-03-01 16:59:00,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2022-03-01 16:59:00,644 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 180 [2022-03-01 16:59:00,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:59:00,650 INFO L225 Difference]: With dead ends: 4267 [2022-03-01 16:59:00,650 INFO L226 Difference]: Without dead ends: 4267 [2022-03-01 16:59:00,651 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2098 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=1015, Invalid=6125, Unknown=0, NotChecked=0, Total=7140 [2022-03-01 16:59:00,651 INFO L933 BasicCegarLoop]: 301 mSDtfsCounter, 1675 mSDsluCounter, 4119 mSDsCounter, 0 mSdLazyCounter, 3247 mSolverCounterSat, 241 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1675 SdHoareTripleChecker+Valid, 4417 SdHoareTripleChecker+Invalid, 3488 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 241 IncrementalHoareTripleChecker+Valid, 3247 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:59:00,651 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1675 Valid, 4417 Invalid, 3488 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [241 Valid, 3247 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-03-01 16:59:00,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4267 states. [2022-03-01 16:59:00,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4267 to 2587. [2022-03-01 16:59:00,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2587 states, 2578 states have (on average 1.9119472459270752) internal successors, (4929), 2586 states have internal predecessors, (4929), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:59:00,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2587 states to 2587 states and 4929 transitions. [2022-03-01 16:59:00,692 INFO L78 Accepts]: Start accepts. Automaton has 2587 states and 4929 transitions. Word has length 180 [2022-03-01 16:59:00,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:59:00,692 INFO L470 AbstractCegarLoop]: Abstraction has 2587 states and 4929 transitions. [2022-03-01 16:59:00,692 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:59:00,692 INFO L276 IsEmpty]: Start isEmpty. Operand 2587 states and 4929 transitions. [2022-03-01 16:59:00,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2022-03-01 16:59:00,694 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:59:00,694 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:59:00,694 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable214 [2022-03-01 16:59:00,694 INFO L402 AbstractCegarLoop]: === Iteration 216 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:59:00,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:59:00,694 INFO L85 PathProgramCache]: Analyzing trace with hash 1542267821, now seen corresponding path program 17 times [2022-03-01 16:59:00,694 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:59:00,695 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [111085481] [2022-03-01 16:59:00,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:59:00,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:59:00,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:59:01,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:59:01,174 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:59:01,174 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [111085481] [2022-03-01 16:59:01,174 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [111085481] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:59:01,174 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:59:01,174 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-01 16:59:01,174 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411418816] [2022-03-01 16:59:01,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:59:01,174 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-01 16:59:01,174 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:59:01,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-01 16:59:01,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=528, Unknown=0, NotChecked=0, Total=600 [2022-03-01 16:59:01,175 INFO L87 Difference]: Start difference. First operand 2587 states and 4929 transitions. Second operand has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:59:03,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:59:03,321 INFO L93 Difference]: Finished difference Result 3339 states and 6379 transitions. [2022-03-01 16:59:03,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2022-03-01 16:59:03,321 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 180 [2022-03-01 16:59:03,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:59:03,325 INFO L225 Difference]: With dead ends: 3339 [2022-03-01 16:59:03,325 INFO L226 Difference]: Without dead ends: 3339 [2022-03-01 16:59:03,325 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1504 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=945, Invalid=4605, Unknown=0, NotChecked=0, Total=5550 [2022-03-01 16:59:03,326 INFO L933 BasicCegarLoop]: 304 mSDtfsCounter, 1851 mSDsluCounter, 3314 mSDsCounter, 0 mSdLazyCounter, 2572 mSolverCounterSat, 162 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1851 SdHoareTripleChecker+Valid, 3615 SdHoareTripleChecker+Invalid, 2734 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 162 IncrementalHoareTripleChecker+Valid, 2572 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-03-01 16:59:03,326 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1851 Valid, 3615 Invalid, 2734 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [162 Valid, 2572 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-03-01 16:59:03,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3339 states. [2022-03-01 16:59:03,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3339 to 2653. [2022-03-01 16:59:03,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2653 states, 2644 states have (on average 1.9141452344931922) internal successors, (5061), 2652 states have internal predecessors, (5061), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:59:03,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2653 states to 2653 states and 5061 transitions. [2022-03-01 16:59:03,351 INFO L78 Accepts]: Start accepts. Automaton has 2653 states and 5061 transitions. Word has length 180 [2022-03-01 16:59:03,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:59:03,351 INFO L470 AbstractCegarLoop]: Abstraction has 2653 states and 5061 transitions. [2022-03-01 16:59:03,351 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:59:03,351 INFO L276 IsEmpty]: Start isEmpty. Operand 2653 states and 5061 transitions. [2022-03-01 16:59:03,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2022-03-01 16:59:03,352 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:59:03,352 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:59:03,352 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable215 [2022-03-01 16:59:03,353 INFO L402 AbstractCegarLoop]: === Iteration 217 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:59:03,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:59:03,353 INFO L85 PathProgramCache]: Analyzing trace with hash 658911279, now seen corresponding path program 18 times [2022-03-01 16:59:03,353 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:59:03,353 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [975090963] [2022-03-01 16:59:03,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:59:03,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:59:03,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:59:03,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:59:03,814 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:59:03,814 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [975090963] [2022-03-01 16:59:03,814 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [975090963] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:59:03,814 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:59:03,814 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-01 16:59:03,814 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66757504] [2022-03-01 16:59:03,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:59:03,815 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-01 16:59:03,815 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:59:03,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-01 16:59:03,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=533, Unknown=0, NotChecked=0, Total=600 [2022-03-01 16:59:03,815 INFO L87 Difference]: Start difference. First operand 2653 states and 5061 transitions. Second operand has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:59:06,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:59:06,232 INFO L93 Difference]: Finished difference Result 3371 states and 6441 transitions. [2022-03-01 16:59:06,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2022-03-01 16:59:06,233 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 180 [2022-03-01 16:59:06,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:59:06,237 INFO L225 Difference]: With dead ends: 3371 [2022-03-01 16:59:06,237 INFO L226 Difference]: Without dead ends: 3371 [2022-03-01 16:59:06,238 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1721 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=1031, Invalid=5131, Unknown=0, NotChecked=0, Total=6162 [2022-03-01 16:59:06,238 INFO L933 BasicCegarLoop]: 312 mSDtfsCounter, 1563 mSDsluCounter, 4259 mSDsCounter, 0 mSdLazyCounter, 3176 mSolverCounterSat, 152 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1563 SdHoareTripleChecker+Valid, 4568 SdHoareTripleChecker+Invalid, 3328 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 152 IncrementalHoareTripleChecker+Valid, 3176 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:59:06,238 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1563 Valid, 4568 Invalid, 3328 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [152 Valid, 3176 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-03-01 16:59:06,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3371 states. [2022-03-01 16:59:06,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3371 to 2647. [2022-03-01 16:59:06,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2647 states, 2638 states have (on average 1.9139499620924942) internal successors, (5049), 2646 states have internal predecessors, (5049), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:59:06,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2647 states to 2647 states and 5049 transitions. [2022-03-01 16:59:06,267 INFO L78 Accepts]: Start accepts. Automaton has 2647 states and 5049 transitions. Word has length 180 [2022-03-01 16:59:06,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:59:06,268 INFO L470 AbstractCegarLoop]: Abstraction has 2647 states and 5049 transitions. [2022-03-01 16:59:06,268 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:59:06,268 INFO L276 IsEmpty]: Start isEmpty. Operand 2647 states and 5049 transitions. [2022-03-01 16:59:06,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2022-03-01 16:59:06,280 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:59:06,280 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:59:06,280 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable216 [2022-03-01 16:59:06,280 INFO L402 AbstractCegarLoop]: === Iteration 218 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:59:06,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:59:06,281 INFO L85 PathProgramCache]: Analyzing trace with hash -1713758709, now seen corresponding path program 19 times [2022-03-01 16:59:06,281 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:59:06,281 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262552085] [2022-03-01 16:59:06,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:59:06,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:59:06,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:59:06,810 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:59:06,810 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:59:06,810 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [262552085] [2022-03-01 16:59:06,810 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [262552085] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:59:06,810 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:59:06,810 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-01 16:59:06,810 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792415122] [2022-03-01 16:59:06,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:59:06,810 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-01 16:59:06,810 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:59:06,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-01 16:59:06,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=534, Unknown=0, NotChecked=0, Total=600 [2022-03-01 16:59:06,811 INFO L87 Difference]: Start difference. First operand 2647 states and 5049 transitions. Second operand has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:59:09,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:59:09,830 INFO L93 Difference]: Finished difference Result 3431 states and 6557 transitions. [2022-03-01 16:59:09,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2022-03-01 16:59:09,830 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 180 [2022-03-01 16:59:09,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:59:09,834 INFO L225 Difference]: With dead ends: 3431 [2022-03-01 16:59:09,834 INFO L226 Difference]: Without dead ends: 3431 [2022-03-01 16:59:09,835 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1847 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=1054, Invalid=5426, Unknown=0, NotChecked=0, Total=6480 [2022-03-01 16:59:09,835 INFO L933 BasicCegarLoop]: 321 mSDtfsCounter, 1849 mSDsluCounter, 3967 mSDsCounter, 0 mSdLazyCounter, 3308 mSolverCounterSat, 173 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1849 SdHoareTripleChecker+Valid, 4285 SdHoareTripleChecker+Invalid, 3481 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 173 IncrementalHoareTripleChecker+Valid, 3308 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-03-01 16:59:09,835 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1849 Valid, 4285 Invalid, 3481 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [173 Valid, 3308 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-03-01 16:59:09,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3431 states. [2022-03-01 16:59:09,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3431 to 2641. [2022-03-01 16:59:09,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2641 states, 2632 states have (on average 1.9137537993920972) internal successors, (5037), 2640 states have internal predecessors, (5037), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:59:09,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2641 states to 2641 states and 5037 transitions. [2022-03-01 16:59:09,862 INFO L78 Accepts]: Start accepts. Automaton has 2641 states and 5037 transitions. Word has length 180 [2022-03-01 16:59:09,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:59:09,862 INFO L470 AbstractCegarLoop]: Abstraction has 2641 states and 5037 transitions. [2022-03-01 16:59:09,862 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:59:09,862 INFO L276 IsEmpty]: Start isEmpty. Operand 2641 states and 5037 transitions. [2022-03-01 16:59:09,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2022-03-01 16:59:09,864 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:59:09,864 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:59:09,864 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable217 [2022-03-01 16:59:09,864 INFO L402 AbstractCegarLoop]: === Iteration 219 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:59:09,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:59:09,864 INFO L85 PathProgramCache]: Analyzing trace with hash 6669649, now seen corresponding path program 20 times [2022-03-01 16:59:09,864 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:59:09,864 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000433815] [2022-03-01 16:59:09,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:59:09,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:59:09,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:59:10,311 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:59:10,311 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:59:10,311 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2000433815] [2022-03-01 16:59:10,311 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2000433815] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:59:10,311 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:59:10,312 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-01 16:59:10,312 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1029665721] [2022-03-01 16:59:10,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:59:10,312 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-01 16:59:10,312 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:59:10,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-01 16:59:10,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=533, Unknown=0, NotChecked=0, Total=600 [2022-03-01 16:59:10,312 INFO L87 Difference]: Start difference. First operand 2641 states and 5037 transitions. Second operand has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:59:12,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:59:12,687 INFO L93 Difference]: Finished difference Result 3480 states and 6652 transitions. [2022-03-01 16:59:12,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2022-03-01 16:59:12,688 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 180 [2022-03-01 16:59:12,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:59:12,692 INFO L225 Difference]: With dead ends: 3480 [2022-03-01 16:59:12,692 INFO L226 Difference]: Without dead ends: 3480 [2022-03-01 16:59:12,692 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1971 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=1094, Invalid=5712, Unknown=0, NotChecked=0, Total=6806 [2022-03-01 16:59:12,692 INFO L933 BasicCegarLoop]: 329 mSDtfsCounter, 1720 mSDsluCounter, 3805 mSDsCounter, 0 mSdLazyCounter, 2933 mSolverCounterSat, 207 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1720 SdHoareTripleChecker+Valid, 4131 SdHoareTripleChecker+Invalid, 3140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 207 IncrementalHoareTripleChecker+Valid, 2933 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-03-01 16:59:12,692 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1720 Valid, 4131 Invalid, 3140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [207 Valid, 2933 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-03-01 16:59:12,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3480 states. [2022-03-01 16:59:12,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3480 to 2587. [2022-03-01 16:59:12,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2587 states, 2578 states have (on average 1.9119472459270752) internal successors, (4929), 2586 states have internal predecessors, (4929), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:59:12,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2587 states to 2587 states and 4929 transitions. [2022-03-01 16:59:12,717 INFO L78 Accepts]: Start accepts. Automaton has 2587 states and 4929 transitions. Word has length 180 [2022-03-01 16:59:12,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:59:12,718 INFO L470 AbstractCegarLoop]: Abstraction has 2587 states and 4929 transitions. [2022-03-01 16:59:12,718 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:59:12,718 INFO L276 IsEmpty]: Start isEmpty. Operand 2587 states and 4929 transitions. [2022-03-01 16:59:12,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2022-03-01 16:59:12,719 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:59:12,719 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:59:12,719 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable218 [2022-03-01 16:59:12,719 INFO L402 AbstractCegarLoop]: === Iteration 220 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:59:12,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:59:12,720 INFO L85 PathProgramCache]: Analyzing trace with hash -1192730263, now seen corresponding path program 21 times [2022-03-01 16:59:12,720 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:59:12,720 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [239179411] [2022-03-01 16:59:12,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:59:12,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:59:12,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:59:13,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:59:13,229 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:59:13,229 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [239179411] [2022-03-01 16:59:13,229 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [239179411] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:59:13,229 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:59:13,229 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-01 16:59:13,229 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [566116576] [2022-03-01 16:59:13,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:59:13,230 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-01 16:59:13,230 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:59:13,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-01 16:59:13,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=530, Unknown=0, NotChecked=0, Total=600 [2022-03-01 16:59:13,230 INFO L87 Difference]: Start difference. First operand 2587 states and 4929 transitions. Second operand has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:59:16,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:59:16,355 INFO L93 Difference]: Finished difference Result 4362 states and 8340 transitions. [2022-03-01 16:59:16,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2022-03-01 16:59:16,355 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 180 [2022-03-01 16:59:16,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:59:16,360 INFO L225 Difference]: With dead ends: 4362 [2022-03-01 16:59:16,360 INFO L226 Difference]: Without dead ends: 4362 [2022-03-01 16:59:16,361 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2041 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=1110, Invalid=5862, Unknown=0, NotChecked=0, Total=6972 [2022-03-01 16:59:16,361 INFO L933 BasicCegarLoop]: 364 mSDtfsCounter, 1884 mSDsluCounter, 4704 mSDsCounter, 0 mSdLazyCounter, 3490 mSolverCounterSat, 171 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1884 SdHoareTripleChecker+Valid, 5065 SdHoareTripleChecker+Invalid, 3661 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 171 IncrementalHoareTripleChecker+Valid, 3490 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-03-01 16:59:16,361 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1884 Valid, 5065 Invalid, 3661 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [171 Valid, 3490 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-03-01 16:59:16,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4362 states. [2022-03-01 16:59:16,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4362 to 2445. [2022-03-01 16:59:16,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2445 states, 2436 states have (on average 1.9068144499178983) internal successors, (4645), 2444 states have internal predecessors, (4645), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:59:16,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2445 states to 2445 states and 4645 transitions. [2022-03-01 16:59:16,391 INFO L78 Accepts]: Start accepts. Automaton has 2445 states and 4645 transitions. Word has length 180 [2022-03-01 16:59:16,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:59:16,391 INFO L470 AbstractCegarLoop]: Abstraction has 2445 states and 4645 transitions. [2022-03-01 16:59:16,391 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:59:16,391 INFO L276 IsEmpty]: Start isEmpty. Operand 2445 states and 4645 transitions. [2022-03-01 16:59:16,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2022-03-01 16:59:16,393 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:59:16,393 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:59:16,393 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable219 [2022-03-01 16:59:16,393 INFO L402 AbstractCegarLoop]: === Iteration 221 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:59:16,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:59:16,393 INFO L85 PathProgramCache]: Analyzing trace with hash 1005519021, now seen corresponding path program 22 times [2022-03-01 16:59:16,393 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:59:16,393 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1922313409] [2022-03-01 16:59:16,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:59:16,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:59:16,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:59:16,900 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:59:16,900 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:59:16,900 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1922313409] [2022-03-01 16:59:16,900 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1922313409] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:59:16,901 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:59:16,901 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-01 16:59:16,901 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2111305980] [2022-03-01 16:59:16,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:59:16,901 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-01 16:59:16,901 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:59:16,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-01 16:59:16,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=527, Unknown=0, NotChecked=0, Total=600 [2022-03-01 16:59:16,901 INFO L87 Difference]: Start difference. First operand 2445 states and 4645 transitions. Second operand has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:59:18,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:59:18,918 INFO L93 Difference]: Finished difference Result 2751 states and 5211 transitions. [2022-03-01 16:59:18,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-03-01 16:59:18,918 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 180 [2022-03-01 16:59:18,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:59:18,921 INFO L225 Difference]: With dead ends: 2751 [2022-03-01 16:59:18,921 INFO L226 Difference]: Without dead ends: 2751 [2022-03-01 16:59:18,922 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1560 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=1000, Invalid=4700, Unknown=0, NotChecked=0, Total=5700 [2022-03-01 16:59:18,922 INFO L933 BasicCegarLoop]: 338 mSDtfsCounter, 1782 mSDsluCounter, 3054 mSDsCounter, 0 mSdLazyCounter, 2228 mSolverCounterSat, 219 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1782 SdHoareTripleChecker+Valid, 3389 SdHoareTripleChecker+Invalid, 2447 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 219 IncrementalHoareTripleChecker+Valid, 2228 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-03-01 16:59:18,922 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1782 Valid, 3389 Invalid, 2447 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [219 Valid, 2228 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-03-01 16:59:18,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2751 states. [2022-03-01 16:59:18,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2751 to 2445. [2022-03-01 16:59:18,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2445 states, 2436 states have (on average 1.9068144499178983) internal successors, (4645), 2444 states have internal predecessors, (4645), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:59:18,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2445 states to 2445 states and 4645 transitions. [2022-03-01 16:59:18,943 INFO L78 Accepts]: Start accepts. Automaton has 2445 states and 4645 transitions. Word has length 180 [2022-03-01 16:59:18,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:59:18,943 INFO L470 AbstractCegarLoop]: Abstraction has 2445 states and 4645 transitions. [2022-03-01 16:59:18,943 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:59:18,943 INFO L276 IsEmpty]: Start isEmpty. Operand 2445 states and 4645 transitions. [2022-03-01 16:59:18,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2022-03-01 16:59:18,945 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:59:18,945 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:59:18,945 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable220 [2022-03-01 16:59:18,945 INFO L402 AbstractCegarLoop]: === Iteration 222 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:59:18,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:59:18,945 INFO L85 PathProgramCache]: Analyzing trace with hash 1571875839, now seen corresponding path program 23 times [2022-03-01 16:59:18,945 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:59:18,945 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585206410] [2022-03-01 16:59:18,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:59:18,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:59:18,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:59:19,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:59:19,462 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:59:19,462 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [585206410] [2022-03-01 16:59:19,462 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [585206410] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:59:19,462 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:59:19,462 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-01 16:59:19,462 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [324150943] [2022-03-01 16:59:19,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:59:19,462 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-01 16:59:19,462 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:59:19,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-01 16:59:19,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=531, Unknown=0, NotChecked=0, Total=600 [2022-03-01 16:59:19,463 INFO L87 Difference]: Start difference. First operand 2445 states and 4645 transitions. Second operand has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:59:21,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:59:21,806 INFO L93 Difference]: Finished difference Result 2783 states and 5274 transitions. [2022-03-01 16:59:21,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2022-03-01 16:59:21,807 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 180 [2022-03-01 16:59:21,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:59:21,809 INFO L225 Difference]: With dead ends: 2783 [2022-03-01 16:59:21,809 INFO L226 Difference]: Without dead ends: 2783 [2022-03-01 16:59:21,810 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1729 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=1115, Invalid=5047, Unknown=0, NotChecked=0, Total=6162 [2022-03-01 16:59:21,810 INFO L933 BasicCegarLoop]: 339 mSDtfsCounter, 1647 mSDsluCounter, 3897 mSDsCounter, 0 mSdLazyCounter, 2868 mSolverCounterSat, 202 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1647 SdHoareTripleChecker+Valid, 4233 SdHoareTripleChecker+Invalid, 3070 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 202 IncrementalHoareTripleChecker+Valid, 2868 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-03-01 16:59:21,810 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1647 Valid, 4233 Invalid, 3070 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [202 Valid, 2868 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-03-01 16:59:21,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2783 states. [2022-03-01 16:59:21,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2783 to 2451. [2022-03-01 16:59:21,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2451 states, 2442 states have (on average 1.907043407043407) internal successors, (4657), 2450 states have internal predecessors, (4657), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:59:21,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2451 states to 2451 states and 4657 transitions. [2022-03-01 16:59:21,833 INFO L78 Accepts]: Start accepts. Automaton has 2451 states and 4657 transitions. Word has length 180 [2022-03-01 16:59:21,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:59:21,834 INFO L470 AbstractCegarLoop]: Abstraction has 2451 states and 4657 transitions. [2022-03-01 16:59:21,834 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:59:21,834 INFO L276 IsEmpty]: Start isEmpty. Operand 2451 states and 4657 transitions. [2022-03-01 16:59:21,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2022-03-01 16:59:21,835 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:59:21,835 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:59:21,835 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable221 [2022-03-01 16:59:21,835 INFO L402 AbstractCegarLoop]: === Iteration 223 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:59:21,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:59:21,835 INFO L85 PathProgramCache]: Analyzing trace with hash -1721240749, now seen corresponding path program 24 times [2022-03-01 16:59:21,836 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:59:21,836 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595178603] [2022-03-01 16:59:21,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:59:21,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:59:21,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:59:22,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:59:22,442 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:59:22,442 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [595178603] [2022-03-01 16:59:22,442 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [595178603] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:59:22,442 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:59:22,442 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-01 16:59:22,442 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [771589510] [2022-03-01 16:59:22,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:59:22,442 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-01 16:59:22,442 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:59:22,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-01 16:59:22,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=533, Unknown=0, NotChecked=0, Total=600 [2022-03-01 16:59:22,443 INFO L87 Difference]: Start difference. First operand 2451 states and 4657 transitions. Second operand has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:59:24,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:59:24,726 INFO L93 Difference]: Finished difference Result 3107 states and 5937 transitions. [2022-03-01 16:59:24,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-03-01 16:59:24,727 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 180 [2022-03-01 16:59:24,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:59:24,730 INFO L225 Difference]: With dead ends: 3107 [2022-03-01 16:59:24,731 INFO L226 Difference]: Without dead ends: 3107 [2022-03-01 16:59:24,731 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1086 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=813, Invalid=3609, Unknown=0, NotChecked=0, Total=4422 [2022-03-01 16:59:24,731 INFO L933 BasicCegarLoop]: 346 mSDtfsCounter, 1558 mSDsluCounter, 3475 mSDsCounter, 0 mSdLazyCounter, 2545 mSolverCounterSat, 221 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1558 SdHoareTripleChecker+Valid, 3818 SdHoareTripleChecker+Invalid, 2766 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 221 IncrementalHoareTripleChecker+Valid, 2545 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-03-01 16:59:24,731 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1558 Valid, 3818 Invalid, 2766 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [221 Valid, 2545 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-03-01 16:59:24,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3107 states. [2022-03-01 16:59:24,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3107 to 2445. [2022-03-01 16:59:24,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2445 states, 2436 states have (on average 1.9068144499178983) internal successors, (4645), 2444 states have internal predecessors, (4645), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:59:24,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2445 states to 2445 states and 4645 transitions. [2022-03-01 16:59:24,757 INFO L78 Accepts]: Start accepts. Automaton has 2445 states and 4645 transitions. Word has length 180 [2022-03-01 16:59:24,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:59:24,758 INFO L470 AbstractCegarLoop]: Abstraction has 2445 states and 4645 transitions. [2022-03-01 16:59:24,758 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:59:24,758 INFO L276 IsEmpty]: Start isEmpty. Operand 2445 states and 4645 transitions. [2022-03-01 16:59:24,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2022-03-01 16:59:24,759 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:59:24,759 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:59:24,759 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable222 [2022-03-01 16:59:24,759 INFO L402 AbstractCegarLoop]: === Iteration 224 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:59:24,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:59:24,759 INFO L85 PathProgramCache]: Analyzing trace with hash 1736912395, now seen corresponding path program 25 times [2022-03-01 16:59:24,760 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:59:24,760 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1523210683] [2022-03-01 16:59:24,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:59:24,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:59:24,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:59:25,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:59:25,275 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:59:25,275 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1523210683] [2022-03-01 16:59:25,275 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1523210683] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:59:25,275 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:59:25,275 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-01 16:59:25,275 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1362336427] [2022-03-01 16:59:25,275 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:59:25,275 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-01 16:59:25,275 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:59:25,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-01 16:59:25,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=532, Unknown=0, NotChecked=0, Total=600 [2022-03-01 16:59:25,276 INFO L87 Difference]: Start difference. First operand 2445 states and 4645 transitions. Second operand has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:59:27,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:59:27,593 INFO L93 Difference]: Finished difference Result 2784 states and 5277 transitions. [2022-03-01 16:59:27,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2022-03-01 16:59:27,594 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 180 [2022-03-01 16:59:27,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:59:27,597 INFO L225 Difference]: With dead ends: 2784 [2022-03-01 16:59:27,597 INFO L226 Difference]: Without dead ends: 2784 [2022-03-01 16:59:27,597 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1615 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=1046, Invalid=4806, Unknown=0, NotChecked=0, Total=5852 [2022-03-01 16:59:27,597 INFO L933 BasicCegarLoop]: 311 mSDtfsCounter, 1629 mSDsluCounter, 3842 mSDsCounter, 0 mSdLazyCounter, 2881 mSolverCounterSat, 223 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1629 SdHoareTripleChecker+Valid, 4150 SdHoareTripleChecker+Invalid, 3104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 223 IncrementalHoareTripleChecker+Valid, 2881 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-03-01 16:59:27,597 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1629 Valid, 4150 Invalid, 3104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [223 Valid, 2881 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-03-01 16:59:27,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2784 states. [2022-03-01 16:59:27,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2784 to 2457. [2022-03-01 16:59:27,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2457 states, 2448 states have (on average 1.9072712418300655) internal successors, (4669), 2456 states have internal predecessors, (4669), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:59:27,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2457 states to 2457 states and 4669 transitions. [2022-03-01 16:59:27,620 INFO L78 Accepts]: Start accepts. Automaton has 2457 states and 4669 transitions. Word has length 180 [2022-03-01 16:59:27,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:59:27,621 INFO L470 AbstractCegarLoop]: Abstraction has 2457 states and 4669 transitions. [2022-03-01 16:59:27,621 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:59:27,621 INFO L276 IsEmpty]: Start isEmpty. Operand 2457 states and 4669 transitions. [2022-03-01 16:59:27,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2022-03-01 16:59:27,622 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:59:27,622 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:59:27,622 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable223 [2022-03-01 16:59:27,622 INFO L402 AbstractCegarLoop]: === Iteration 225 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:59:27,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:59:27,622 INFO L85 PathProgramCache]: Analyzing trace with hash -1556204193, now seen corresponding path program 26 times [2022-03-01 16:59:27,622 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:59:27,623 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304183397] [2022-03-01 16:59:27,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:59:27,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:59:27,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:59:28,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:59:28,224 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:59:28,224 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1304183397] [2022-03-01 16:59:28,225 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1304183397] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:59:28,225 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:59:28,225 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-01 16:59:28,225 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121166579] [2022-03-01 16:59:28,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:59:28,225 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-01 16:59:28,225 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:59:28,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-01 16:59:28,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=535, Unknown=0, NotChecked=0, Total=600 [2022-03-01 16:59:28,225 INFO L87 Difference]: Start difference. First operand 2457 states and 4669 transitions. Second operand has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:59:30,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:59:30,777 INFO L93 Difference]: Finished difference Result 3173 states and 6064 transitions. [2022-03-01 16:59:30,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-03-01 16:59:30,778 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 180 [2022-03-01 16:59:30,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:59:30,781 INFO L225 Difference]: With dead ends: 3173 [2022-03-01 16:59:30,781 INFO L226 Difference]: Without dead ends: 3173 [2022-03-01 16:59:30,782 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1050 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=791, Invalid=3499, Unknown=0, NotChecked=0, Total=4290 [2022-03-01 16:59:30,782 INFO L933 BasicCegarLoop]: 335 mSDtfsCounter, 1592 mSDsluCounter, 4408 mSDsCounter, 0 mSdLazyCounter, 3350 mSolverCounterSat, 214 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1592 SdHoareTripleChecker+Valid, 4740 SdHoareTripleChecker+Invalid, 3564 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 214 IncrementalHoareTripleChecker+Valid, 3350 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-03-01 16:59:30,782 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1592 Valid, 4740 Invalid, 3564 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [214 Valid, 3350 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-03-01 16:59:30,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3173 states. [2022-03-01 16:59:30,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3173 to 2464. [2022-03-01 16:59:30,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2464 states, 2455 states have (on average 1.9075356415478615) internal successors, (4683), 2463 states have internal predecessors, (4683), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:59:30,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2464 states to 2464 states and 4683 transitions. [2022-03-01 16:59:30,806 INFO L78 Accepts]: Start accepts. Automaton has 2464 states and 4683 transitions. Word has length 180 [2022-03-01 16:59:30,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:59:30,806 INFO L470 AbstractCegarLoop]: Abstraction has 2464 states and 4683 transitions. [2022-03-01 16:59:30,806 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:59:30,806 INFO L276 IsEmpty]: Start isEmpty. Operand 2464 states and 4683 transitions. [2022-03-01 16:59:30,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2022-03-01 16:59:30,807 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:59:30,807 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:59:30,807 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable224 [2022-03-01 16:59:30,807 INFO L402 AbstractCegarLoop]: === Iteration 226 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:59:30,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:59:30,808 INFO L85 PathProgramCache]: Analyzing trace with hash 276221473, now seen corresponding path program 27 times [2022-03-01 16:59:30,808 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:59:30,808 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367510806] [2022-03-01 16:59:30,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:59:30,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:59:30,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:59:31,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:59:31,317 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:59:31,317 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367510806] [2022-03-01 16:59:31,317 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [367510806] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:59:31,317 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:59:31,317 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-01 16:59:31,317 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [913211663] [2022-03-01 16:59:31,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:59:31,317 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-01 16:59:31,317 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:59:31,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-01 16:59:31,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=531, Unknown=0, NotChecked=0, Total=600 [2022-03-01 16:59:31,318 INFO L87 Difference]: Start difference. First operand 2464 states and 4683 transitions. Second operand has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:59:33,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:59:33,394 INFO L93 Difference]: Finished difference Result 2810 states and 5329 transitions. [2022-03-01 16:59:33,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2022-03-01 16:59:33,395 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 180 [2022-03-01 16:59:33,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:59:33,398 INFO L225 Difference]: With dead ends: 2810 [2022-03-01 16:59:33,398 INFO L226 Difference]: Without dead ends: 2810 [2022-03-01 16:59:33,398 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1500 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=980, Invalid=4570, Unknown=0, NotChecked=0, Total=5550 [2022-03-01 16:59:33,398 INFO L933 BasicCegarLoop]: 294 mSDtfsCounter, 1650 mSDsluCounter, 3098 mSDsCounter, 0 mSdLazyCounter, 2333 mSolverCounterSat, 219 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1650 SdHoareTripleChecker+Valid, 3389 SdHoareTripleChecker+Invalid, 2552 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 219 IncrementalHoareTripleChecker+Valid, 2333 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-03-01 16:59:33,398 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1650 Valid, 3389 Invalid, 2552 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [219 Valid, 2333 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-03-01 16:59:33,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2810 states. [2022-03-01 16:59:33,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2810 to 2482. [2022-03-01 16:59:33,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2482 states, 2473 states have (on average 1.9082086534573393) internal successors, (4719), 2481 states have internal predecessors, (4719), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:59:33,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2482 states to 2482 states and 4719 transitions. [2022-03-01 16:59:33,423 INFO L78 Accepts]: Start accepts. Automaton has 2482 states and 4719 transitions. Word has length 180 [2022-03-01 16:59:33,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:59:33,423 INFO L470 AbstractCegarLoop]: Abstraction has 2482 states and 4719 transitions. [2022-03-01 16:59:33,424 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:59:33,424 INFO L276 IsEmpty]: Start isEmpty. Operand 2482 states and 4719 transitions. [2022-03-01 16:59:33,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2022-03-01 16:59:33,425 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:59:33,425 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:59:33,425 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable225 [2022-03-01 16:59:33,425 INFO L402 AbstractCegarLoop]: === Iteration 227 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:59:33,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:59:33,425 INFO L85 PathProgramCache]: Analyzing trace with hash 1278072181, now seen corresponding path program 28 times [2022-03-01 16:59:33,425 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:59:33,425 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1891104229] [2022-03-01 16:59:33,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:59:33,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:59:33,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:59:34,074 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:59:34,074 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:59:34,074 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1891104229] [2022-03-01 16:59:34,074 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1891104229] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:59:34,074 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:59:34,074 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-01 16:59:34,074 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [959970606] [2022-03-01 16:59:34,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:59:34,075 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-01 16:59:34,075 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:59:34,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-01 16:59:34,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=535, Unknown=0, NotChecked=0, Total=600 [2022-03-01 16:59:34,075 INFO L87 Difference]: Start difference. First operand 2482 states and 4719 transitions. Second operand has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:59:36,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:59:36,432 INFO L93 Difference]: Finished difference Result 3255 states and 6228 transitions. [2022-03-01 16:59:36,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-03-01 16:59:36,432 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 180 [2022-03-01 16:59:36,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:59:36,436 INFO L225 Difference]: With dead ends: 3255 [2022-03-01 16:59:36,436 INFO L226 Difference]: Without dead ends: 3255 [2022-03-01 16:59:36,437 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 967 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=731, Invalid=3301, Unknown=0, NotChecked=0, Total=4032 [2022-03-01 16:59:36,437 INFO L933 BasicCegarLoop]: 306 mSDtfsCounter, 1406 mSDsluCounter, 3969 mSDsCounter, 0 mSdLazyCounter, 3006 mSolverCounterSat, 218 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1406 SdHoareTripleChecker+Valid, 4272 SdHoareTripleChecker+Invalid, 3224 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 218 IncrementalHoareTripleChecker+Valid, 3006 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:59:36,437 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1406 Valid, 4272 Invalid, 3224 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [218 Valid, 3006 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-03-01 16:59:36,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3255 states. [2022-03-01 16:59:36,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3255 to 2478. [2022-03-01 16:59:36,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2478 states, 2469 states have (on average 1.9080599432968812) internal successors, (4711), 2477 states have internal predecessors, (4711), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:59:36,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2478 states to 2478 states and 4711 transitions. [2022-03-01 16:59:36,465 INFO L78 Accepts]: Start accepts. Automaton has 2478 states and 4711 transitions. Word has length 180 [2022-03-01 16:59:36,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:59:36,465 INFO L470 AbstractCegarLoop]: Abstraction has 2478 states and 4711 transitions. [2022-03-01 16:59:36,465 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:59:36,465 INFO L276 IsEmpty]: Start isEmpty. Operand 2478 states and 4711 transitions. [2022-03-01 16:59:36,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2022-03-01 16:59:36,467 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:59:36,467 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:59:36,467 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable226 [2022-03-01 16:59:36,467 INFO L402 AbstractCegarLoop]: === Iteration 228 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:59:36,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:59:36,467 INFO L85 PathProgramCache]: Analyzing trace with hash -258295165, now seen corresponding path program 29 times [2022-03-01 16:59:36,467 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:59:36,467 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1322360832] [2022-03-01 16:59:36,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:59:36,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:59:36,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:59:37,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:59:37,080 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:59:37,080 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1322360832] [2022-03-01 16:59:37,080 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1322360832] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:59:37,080 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:59:37,080 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2022-03-01 16:59:37,080 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033426954] [2022-03-01 16:59:37,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:59:37,081 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-03-01 16:59:37,081 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:59:37,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-03-01 16:59:37,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=581, Unknown=0, NotChecked=0, Total=650 [2022-03-01 16:59:37,081 INFO L87 Difference]: Start difference. First operand 2478 states and 4711 transitions. Second operand has 26 states, 25 states have (on average 7.2) internal successors, (180), 26 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:59:40,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:59:40,072 INFO L93 Difference]: Finished difference Result 2907 states and 5517 transitions. [2022-03-01 16:59:40,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2022-03-01 16:59:40,072 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 7.2) internal successors, (180), 26 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 180 [2022-03-01 16:59:40,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:59:40,076 INFO L225 Difference]: With dead ends: 2907 [2022-03-01 16:59:40,076 INFO L226 Difference]: Without dead ends: 2907 [2022-03-01 16:59:40,076 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1846 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=1121, Invalid=5521, Unknown=0, NotChecked=0, Total=6642 [2022-03-01 16:59:40,076 INFO L933 BasicCegarLoop]: 311 mSDtfsCounter, 1628 mSDsluCounter, 3608 mSDsCounter, 0 mSdLazyCounter, 2761 mSolverCounterSat, 249 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1628 SdHoareTripleChecker+Valid, 3916 SdHoareTripleChecker+Invalid, 3010 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 249 IncrementalHoareTripleChecker+Valid, 2761 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-03-01 16:59:40,077 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1628 Valid, 3916 Invalid, 3010 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [249 Valid, 2761 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-03-01 16:59:40,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2907 states. [2022-03-01 16:59:40,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2907 to 2472. [2022-03-01 16:59:40,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2472 states, 2463 states have (on average 1.9078359723913927) internal successors, (4699), 2471 states have internal predecessors, (4699), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:59:40,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2472 states to 2472 states and 4699 transitions. [2022-03-01 16:59:40,098 INFO L78 Accepts]: Start accepts. Automaton has 2472 states and 4699 transitions. Word has length 180 [2022-03-01 16:59:40,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:59:40,098 INFO L470 AbstractCegarLoop]: Abstraction has 2472 states and 4699 transitions. [2022-03-01 16:59:40,098 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 7.2) internal successors, (180), 26 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:59:40,099 INFO L276 IsEmpty]: Start isEmpty. Operand 2472 states and 4699 transitions. [2022-03-01 16:59:40,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2022-03-01 16:59:40,100 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:59:40,100 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:59:40,100 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable227 [2022-03-01 16:59:40,100 INFO L402 AbstractCegarLoop]: === Iteration 229 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:59:40,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:59:40,100 INFO L85 PathProgramCache]: Analyzing trace with hash 245790295, now seen corresponding path program 30 times [2022-03-01 16:59:40,100 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:59:40,100 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [762095185] [2022-03-01 16:59:40,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:59:40,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:59:40,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:59:40,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:59:40,565 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:59:40,565 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [762095185] [2022-03-01 16:59:40,565 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [762095185] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:59:40,565 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:59:40,565 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-01 16:59:40,565 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [167324283] [2022-03-01 16:59:40,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:59:40,565 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-01 16:59:40,565 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:59:40,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-01 16:59:40,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=533, Unknown=0, NotChecked=0, Total=600 [2022-03-01 16:59:40,566 INFO L87 Difference]: Start difference. First operand 2472 states and 4699 transitions. Second operand has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:59:42,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:59:42,832 INFO L93 Difference]: Finished difference Result 2938 states and 5573 transitions. [2022-03-01 16:59:42,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2022-03-01 16:59:42,833 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 180 [2022-03-01 16:59:42,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:59:42,836 INFO L225 Difference]: With dead ends: 2938 [2022-03-01 16:59:42,836 INFO L226 Difference]: Without dead ends: 2938 [2022-03-01 16:59:42,837 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1836 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=1094, Invalid=5386, Unknown=0, NotChecked=0, Total=6480 [2022-03-01 16:59:42,837 INFO L933 BasicCegarLoop]: 319 mSDtfsCounter, 1660 mSDsluCounter, 3566 mSDsCounter, 0 mSdLazyCounter, 2727 mSolverCounterSat, 245 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1660 SdHoareTripleChecker+Valid, 3882 SdHoareTripleChecker+Invalid, 2972 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 245 IncrementalHoareTripleChecker+Valid, 2727 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-03-01 16:59:42,837 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1660 Valid, 3882 Invalid, 2972 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [245 Valid, 2727 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-03-01 16:59:42,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2938 states. [2022-03-01 16:59:42,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2938 to 2464. [2022-03-01 16:59:42,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2464 states, 2455 states have (on average 1.9075356415478615) internal successors, (4683), 2463 states have internal predecessors, (4683), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:59:42,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2464 states to 2464 states and 4683 transitions. [2022-03-01 16:59:42,869 INFO L78 Accepts]: Start accepts. Automaton has 2464 states and 4683 transitions. Word has length 180 [2022-03-01 16:59:42,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:59:42,869 INFO L470 AbstractCegarLoop]: Abstraction has 2464 states and 4683 transitions. [2022-03-01 16:59:42,870 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:59:42,870 INFO L276 IsEmpty]: Start isEmpty. Operand 2464 states and 4683 transitions. [2022-03-01 16:59:42,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2022-03-01 16:59:42,871 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:59:42,871 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:59:42,871 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable228 [2022-03-01 16:59:42,871 INFO L402 AbstractCegarLoop]: === Iteration 230 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:59:42,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:59:42,871 INFO L85 PathProgramCache]: Analyzing trace with hash -106704859, now seen corresponding path program 31 times [2022-03-01 16:59:42,871 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:59:42,872 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1308985953] [2022-03-01 16:59:42,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:59:42,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:59:42,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:59:43,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:59:43,340 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:59:43,340 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1308985953] [2022-03-01 16:59:43,340 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1308985953] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:59:43,340 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:59:43,340 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-01 16:59:43,340 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86455280] [2022-03-01 16:59:43,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:59:43,340 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-01 16:59:43,340 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:59:43,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-01 16:59:43,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=528, Unknown=0, NotChecked=0, Total=600 [2022-03-01 16:59:43,341 INFO L87 Difference]: Start difference. First operand 2464 states and 4683 transitions. Second operand has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:59:45,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:59:45,559 INFO L93 Difference]: Finished difference Result 3950 states and 7585 transitions. [2022-03-01 16:59:45,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2022-03-01 16:59:45,559 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 180 [2022-03-01 16:59:45,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:59:45,564 INFO L225 Difference]: With dead ends: 3950 [2022-03-01 16:59:45,564 INFO L226 Difference]: Without dead ends: 3950 [2022-03-01 16:59:45,564 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1607 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=918, Invalid=4934, Unknown=0, NotChecked=0, Total=5852 [2022-03-01 16:59:45,565 INFO L933 BasicCegarLoop]: 334 mSDtfsCounter, 1633 mSDsluCounter, 4083 mSDsCounter, 0 mSdLazyCounter, 2892 mSolverCounterSat, 143 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1633 SdHoareTripleChecker+Valid, 4414 SdHoareTripleChecker+Invalid, 3035 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 143 IncrementalHoareTripleChecker+Valid, 2892 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-03-01 16:59:45,565 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1633 Valid, 4414 Invalid, 3035 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [143 Valid, 2892 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-03-01 16:59:45,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3950 states. [2022-03-01 16:59:45,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3950 to 2458. [2022-03-01 16:59:45,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2458 states, 2449 states have (on average 1.907309105757452) internal successors, (4671), 2457 states have internal predecessors, (4671), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:59:45,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2458 states to 2458 states and 4671 transitions. [2022-03-01 16:59:45,592 INFO L78 Accepts]: Start accepts. Automaton has 2458 states and 4671 transitions. Word has length 180 [2022-03-01 16:59:45,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:59:45,592 INFO L470 AbstractCegarLoop]: Abstraction has 2458 states and 4671 transitions. [2022-03-01 16:59:45,592 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:59:45,592 INFO L276 IsEmpty]: Start isEmpty. Operand 2458 states and 4671 transitions. [2022-03-01 16:59:45,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2022-03-01 16:59:45,593 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:59:45,594 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:59:45,594 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable229 [2022-03-01 16:59:45,594 INFO L402 AbstractCegarLoop]: === Iteration 231 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:59:45,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:59:45,594 INFO L85 PathProgramCache]: Analyzing trace with hash -990061401, now seen corresponding path program 32 times [2022-03-01 16:59:45,594 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:59:45,594 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490138246] [2022-03-01 16:59:45,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:59:45,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:59:45,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:59:46,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:59:46,172 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:59:46,172 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1490138246] [2022-03-01 16:59:46,173 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1490138246] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:59:46,173 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:59:46,173 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-01 16:59:46,173 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989512124] [2022-03-01 16:59:46,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:59:46,173 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-01 16:59:46,173 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:59:46,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-01 16:59:46,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=533, Unknown=0, NotChecked=0, Total=600 [2022-03-01 16:59:46,173 INFO L87 Difference]: Start difference. First operand 2458 states and 4671 transitions. Second operand has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:59:49,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:59:49,027 INFO L93 Difference]: Finished difference Result 4597 states and 8865 transitions. [2022-03-01 16:59:49,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-03-01 16:59:49,027 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 180 [2022-03-01 16:59:49,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:59:49,032 INFO L225 Difference]: With dead ends: 4597 [2022-03-01 16:59:49,032 INFO L226 Difference]: Without dead ends: 4597 [2022-03-01 16:59:49,032 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1249 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=870, Invalid=3960, Unknown=0, NotChecked=0, Total=4830 [2022-03-01 16:59:49,033 INFO L933 BasicCegarLoop]: 339 mSDtfsCounter, 1833 mSDsluCounter, 4830 mSDsCounter, 0 mSdLazyCounter, 3676 mSolverCounterSat, 180 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1833 SdHoareTripleChecker+Valid, 5166 SdHoareTripleChecker+Invalid, 3856 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 180 IncrementalHoareTripleChecker+Valid, 3676 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-03-01 16:59:49,033 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1833 Valid, 5166 Invalid, 3856 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [180 Valid, 3676 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-03-01 16:59:49,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4597 states. [2022-03-01 16:59:49,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4597 to 2450. [2022-03-01 16:59:49,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2450 states, 2441 states have (on average 1.907005325686194) internal successors, (4655), 2449 states have internal predecessors, (4655), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:59:49,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2450 states to 2450 states and 4655 transitions. [2022-03-01 16:59:49,060 INFO L78 Accepts]: Start accepts. Automaton has 2450 states and 4655 transitions. Word has length 180 [2022-03-01 16:59:49,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:59:49,061 INFO L470 AbstractCegarLoop]: Abstraction has 2450 states and 4655 transitions. [2022-03-01 16:59:49,061 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:59:49,061 INFO L276 IsEmpty]: Start isEmpty. Operand 2450 states and 4655 transitions. [2022-03-01 16:59:49,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2022-03-01 16:59:49,062 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:59:49,062 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:59:49,062 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable230 [2022-03-01 16:59:49,062 INFO L402 AbstractCegarLoop]: === Iteration 232 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:59:49,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:59:49,062 INFO L85 PathProgramCache]: Analyzing trace with hash -415825627, now seen corresponding path program 33 times [2022-03-01 16:59:49,062 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:59:49,063 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051340806] [2022-03-01 16:59:49,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:59:49,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:59:49,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:59:49,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:59:49,618 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:59:49,618 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1051340806] [2022-03-01 16:59:49,618 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1051340806] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:59:49,618 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:59:49,618 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-01 16:59:49,618 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677830218] [2022-03-01 16:59:49,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:59:49,618 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-01 16:59:49,618 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:59:49,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-01 16:59:49,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=534, Unknown=0, NotChecked=0, Total=600 [2022-03-01 16:59:49,619 INFO L87 Difference]: Start difference. First operand 2450 states and 4655 transitions. Second operand has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:59:52,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:59:52,888 INFO L93 Difference]: Finished difference Result 4038 states and 7755 transitions. [2022-03-01 16:59:52,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2022-03-01 16:59:52,889 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 180 [2022-03-01 16:59:52,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:59:52,893 INFO L225 Difference]: With dead ends: 4038 [2022-03-01 16:59:52,893 INFO L226 Difference]: Without dead ends: 4038 [2022-03-01 16:59:52,893 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1966 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=1008, Invalid=5798, Unknown=0, NotChecked=0, Total=6806 [2022-03-01 16:59:52,894 INFO L933 BasicCegarLoop]: 351 mSDtfsCounter, 1774 mSDsluCounter, 5014 mSDsCounter, 0 mSdLazyCounter, 4094 mSolverCounterSat, 204 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1774 SdHoareTripleChecker+Valid, 5362 SdHoareTripleChecker+Invalid, 4298 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 204 IncrementalHoareTripleChecker+Valid, 4094 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-03-01 16:59:52,894 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1774 Valid, 5362 Invalid, 4298 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [204 Valid, 4094 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-03-01 16:59:52,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4038 states. [2022-03-01 16:59:52,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4038 to 2444. [2022-03-01 16:59:52,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2444 states, 2435 states have (on average 1.906776180698152) internal successors, (4643), 2443 states have internal predecessors, (4643), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:59:52,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2444 states to 2444 states and 4643 transitions. [2022-03-01 16:59:52,920 INFO L78 Accepts]: Start accepts. Automaton has 2444 states and 4643 transitions. Word has length 180 [2022-03-01 16:59:52,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:59:52,920 INFO L470 AbstractCegarLoop]: Abstraction has 2444 states and 4643 transitions. [2022-03-01 16:59:52,920 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:59:52,920 INFO L276 IsEmpty]: Start isEmpty. Operand 2444 states and 4643 transitions. [2022-03-01 16:59:52,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2022-03-01 16:59:52,921 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:59:52,921 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:59:52,921 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable231 [2022-03-01 16:59:52,921 INFO L402 AbstractCegarLoop]: === Iteration 233 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:59:52,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:59:52,922 INFO L85 PathProgramCache]: Analyzing trace with hash 1304602731, now seen corresponding path program 34 times [2022-03-01 16:59:52,922 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:59:52,922 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [335152318] [2022-03-01 16:59:52,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:59:52,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:59:52,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:59:53,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:59:53,426 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:59:53,426 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [335152318] [2022-03-01 16:59:53,426 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [335152318] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:59:53,426 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:59:53,426 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-01 16:59:53,426 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410959879] [2022-03-01 16:59:53,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:59:53,427 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-01 16:59:53,427 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:59:53,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-01 16:59:53,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=533, Unknown=0, NotChecked=0, Total=600 [2022-03-01 16:59:53,427 INFO L87 Difference]: Start difference. First operand 2444 states and 4643 transitions. Second operand has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:59:56,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:59:56,695 INFO L93 Difference]: Finished difference Result 4008 states and 7697 transitions. [2022-03-01 16:59:56,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2022-03-01 16:59:56,696 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 180 [2022-03-01 16:59:56,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:59:56,700 INFO L225 Difference]: With dead ends: 4008 [2022-03-01 16:59:56,700 INFO L226 Difference]: Without dead ends: 4008 [2022-03-01 16:59:56,701 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2098 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=1039, Invalid=6101, Unknown=0, NotChecked=0, Total=7140 [2022-03-01 16:59:56,701 INFO L933 BasicCegarLoop]: 359 mSDtfsCounter, 1631 mSDsluCounter, 4761 mSDsCounter, 0 mSdLazyCounter, 3671 mSolverCounterSat, 233 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1631 SdHoareTripleChecker+Valid, 5117 SdHoareTripleChecker+Invalid, 3904 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 233 IncrementalHoareTripleChecker+Valid, 3671 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-03-01 16:59:56,701 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1631 Valid, 5117 Invalid, 3904 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [233 Valid, 3671 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-03-01 16:59:56,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4008 states. [2022-03-01 16:59:56,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4008 to 2319. [2022-03-01 16:59:56,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2319 states, 2310 states have (on average 1.9021645021645022) internal successors, (4394), 2318 states have internal predecessors, (4394), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:59:56,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2319 states to 2319 states and 4394 transitions. [2022-03-01 16:59:56,729 INFO L78 Accepts]: Start accepts. Automaton has 2319 states and 4394 transitions. Word has length 180 [2022-03-01 16:59:56,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:59:56,729 INFO L470 AbstractCegarLoop]: Abstraction has 2319 states and 4394 transitions. [2022-03-01 16:59:56,729 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:59:56,730 INFO L276 IsEmpty]: Start isEmpty. Operand 2319 states and 4394 transitions. [2022-03-01 16:59:56,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2022-03-01 16:59:56,731 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:59:56,731 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:59:56,731 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable232 [2022-03-01 16:59:56,731 INFO L402 AbstractCegarLoop]: === Iteration 234 === Targeting t_funErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:59:56,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:59:56,731 INFO L85 PathProgramCache]: Analyzing trace with hash -1162521955, now seen corresponding path program 1 times [2022-03-01 16:59:56,731 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:59:56,731 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [557923884] [2022-03-01 16:59:56,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:59:56,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:59:56,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:59:56,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:59:56,814 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:59:56,814 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [557923884] [2022-03-01 16:59:56,814 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [557923884] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:59:56,814 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:59:56,814 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-01 16:59:56,814 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2059814368] [2022-03-01 16:59:56,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:59:56,814 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-01 16:59:56,814 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:59:56,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-01 16:59:56,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-03-01 16:59:56,815 INFO L87 Difference]: Start difference. First operand 2319 states and 4394 transitions. Second operand has 6 states, 5 states have (on average 36.8) internal successors, (184), 6 states have internal predecessors, (184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:59:57,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:59:57,025 INFO L93 Difference]: Finished difference Result 2476 states and 4692 transitions. [2022-03-01 16:59:57,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-01 16:59:57,025 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 36.8) internal successors, (184), 6 states have internal predecessors, (184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 184 [2022-03-01 16:59:57,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:59:57,028 INFO L225 Difference]: With dead ends: 2476 [2022-03-01 16:59:57,028 INFO L226 Difference]: Without dead ends: 2476 [2022-03-01 16:59:57,028 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-03-01 16:59:57,028 INFO L933 BasicCegarLoop]: 294 mSDtfsCounter, 100 mSDsluCounter, 541 mSDsCounter, 0 mSdLazyCounter, 413 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 835 SdHoareTripleChecker+Invalid, 430 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 413 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-01 16:59:57,028 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [100 Valid, 835 Invalid, 430 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 413 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-01 16:59:57,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2476 states. [2022-03-01 16:59:57,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2476 to 2395. [2022-03-01 16:59:57,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2395 states, 2386 states have (on average 1.90360435875943) internal successors, (4542), 2394 states have internal predecessors, (4542), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:59:57,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2395 states to 2395 states and 4542 transitions. [2022-03-01 16:59:57,052 INFO L78 Accepts]: Start accepts. Automaton has 2395 states and 4542 transitions. Word has length 184 [2022-03-01 16:59:57,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:59:57,052 INFO L470 AbstractCegarLoop]: Abstraction has 2395 states and 4542 transitions. [2022-03-01 16:59:57,052 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 36.8) internal successors, (184), 6 states have internal predecessors, (184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:59:57,052 INFO L276 IsEmpty]: Start isEmpty. Operand 2395 states and 4542 transitions. [2022-03-01 16:59:57,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2022-03-01 16:59:57,054 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:59:57,054 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:59:57,054 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable233 [2022-03-01 16:59:57,054 INFO L402 AbstractCegarLoop]: === Iteration 235 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 16:59:57,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:59:57,054 INFO L85 PathProgramCache]: Analyzing trace with hash -5834410, now seen corresponding path program 1 times [2022-03-01 16:59:57,054 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:59:57,054 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378158067] [2022-03-01 16:59:57,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:59:57,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:59:57,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:59:57,536 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:59:57,536 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:59:57,536 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1378158067] [2022-03-01 16:59:57,536 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1378158067] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:59:57,536 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:59:57,536 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-01 16:59:57,536 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442357555] [2022-03-01 16:59:57,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:59:57,536 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-01 16:59:57,536 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:59:57,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-01 16:59:57,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=535, Unknown=0, NotChecked=0, Total=600 [2022-03-01 16:59:57,537 INFO L87 Difference]: Start difference. First operand 2395 states and 4542 transitions. Second operand has 25 states, 24 states have (on average 7.875) internal successors, (189), 25 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 17:00:00,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 17:00:00,123 INFO L93 Difference]: Finished difference Result 2696 states and 5104 transitions. [2022-03-01 17:00:00,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2022-03-01 17:00:00,124 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.875) internal successors, (189), 25 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 189 [2022-03-01 17:00:00,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 17:00:00,126 INFO L225 Difference]: With dead ends: 2696 [2022-03-01 17:00:00,127 INFO L226 Difference]: Without dead ends: 2696 [2022-03-01 17:00:00,127 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1753 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=1164, Invalid=5316, Unknown=0, NotChecked=0, Total=6480 [2022-03-01 17:00:00,127 INFO L933 BasicCegarLoop]: 347 mSDtfsCounter, 1441 mSDsluCounter, 4266 mSDsCounter, 0 mSdLazyCounter, 3255 mSolverCounterSat, 235 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1441 SdHoareTripleChecker+Valid, 4610 SdHoareTripleChecker+Invalid, 3490 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 235 IncrementalHoareTripleChecker+Valid, 3255 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-03-01 17:00:00,127 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1441 Valid, 4610 Invalid, 3490 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [235 Valid, 3255 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-03-01 17:00:00,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2696 states. [2022-03-01 17:00:00,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2696 to 2360. [2022-03-01 17:00:00,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2360 states, 2352 states have (on average 1.903061224489796) internal successors, (4476), 2359 states have internal predecessors, (4476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 17:00:00,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2360 states to 2360 states and 4476 transitions. [2022-03-01 17:00:00,149 INFO L78 Accepts]: Start accepts. Automaton has 2360 states and 4476 transitions. Word has length 189 [2022-03-01 17:00:00,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 17:00:00,149 INFO L470 AbstractCegarLoop]: Abstraction has 2360 states and 4476 transitions. [2022-03-01 17:00:00,150 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.875) internal successors, (189), 25 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 17:00:00,150 INFO L276 IsEmpty]: Start isEmpty. Operand 2360 states and 4476 transitions. [2022-03-01 17:00:00,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2022-03-01 17:00:00,151 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 17:00:00,151 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 17:00:00,151 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable234 [2022-03-01 17:00:00,151 INFO L402 AbstractCegarLoop]: === Iteration 236 === Targeting t_funErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 17:00:00,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 17:00:00,152 INFO L85 PathProgramCache]: Analyzing trace with hash 1244583202, now seen corresponding path program 1 times [2022-03-01 17:00:00,152 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 17:00:00,152 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [994997973] [2022-03-01 17:00:00,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 17:00:00,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 17:00:00,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 17:00:00,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 17:00:00,237 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 17:00:00,237 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [994997973] [2022-03-01 17:00:00,237 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [994997973] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 17:00:00,237 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 17:00:00,237 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-01 17:00:00,237 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1456386910] [2022-03-01 17:00:00,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 17:00:00,237 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-01 17:00:00,237 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 17:00:00,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-01 17:00:00,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-03-01 17:00:00,238 INFO L87 Difference]: Start difference. First operand 2360 states and 4476 transitions. Second operand has 6 states, 5 states have (on average 38.4) internal successors, (192), 6 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 17:00:00,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 17:00:00,430 INFO L93 Difference]: Finished difference Result 2452 states and 4640 transitions. [2022-03-01 17:00:00,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-01 17:00:00,431 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 38.4) internal successors, (192), 6 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 192 [2022-03-01 17:00:00,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 17:00:00,440 INFO L225 Difference]: With dead ends: 2452 [2022-03-01 17:00:00,440 INFO L226 Difference]: Without dead ends: 1921 [2022-03-01 17:00:00,441 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-03-01 17:00:00,441 INFO L933 BasicCegarLoop]: 310 mSDtfsCounter, 103 mSDsluCounter, 365 mSDsCounter, 0 mSdLazyCounter, 288 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 675 SdHoareTripleChecker+Invalid, 295 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 288 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-01 17:00:00,441 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [103 Valid, 675 Invalid, 295 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 288 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-01 17:00:00,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1921 states. [2022-03-01 17:00:00,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1921 to 1913. [2022-03-01 17:00:00,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1913 states, 1905 states have (on average 1.8687664041994752) internal successors, (3560), 1912 states have internal predecessors, (3560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 17:00:00,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1913 states to 1913 states and 3560 transitions. [2022-03-01 17:00:00,460 INFO L78 Accepts]: Start accepts. Automaton has 1913 states and 3560 transitions. Word has length 192 [2022-03-01 17:00:00,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 17:00:00,460 INFO L470 AbstractCegarLoop]: Abstraction has 1913 states and 3560 transitions. [2022-03-01 17:00:00,460 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 38.4) internal successors, (192), 6 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 17:00:00,460 INFO L276 IsEmpty]: Start isEmpty. Operand 1913 states and 3560 transitions. [2022-03-01 17:00:00,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2022-03-01 17:00:00,461 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 17:00:00,461 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 17:00:00,462 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable235 [2022-03-01 17:00:00,462 INFO L402 AbstractCegarLoop]: === Iteration 237 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-01 17:00:00,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 17:00:00,462 INFO L85 PathProgramCache]: Analyzing trace with hash -715686033, now seen corresponding path program 1 times [2022-03-01 17:00:00,462 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 17:00:00,462 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1558619571] [2022-03-01 17:00:00,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 17:00:00,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 17:00:00,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-01 17:00:00,510 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-03-01 17:00:00,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-01 17:00:00,596 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-03-01 17:00:00,596 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-03-01 17:00:00,597 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (29 of 30 remaining) [2022-03-01 17:00:00,598 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (28 of 30 remaining) [2022-03-01 17:00:00,599 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (27 of 30 remaining) [2022-03-01 17:00:00,599 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (26 of 30 remaining) [2022-03-01 17:00:00,599 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (25 of 30 remaining) [2022-03-01 17:00:00,599 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (24 of 30 remaining) [2022-03-01 17:00:00,599 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (23 of 30 remaining) [2022-03-01 17:00:00,599 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (22 of 30 remaining) [2022-03-01 17:00:00,599 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (21 of 30 remaining) [2022-03-01 17:00:00,599 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (20 of 30 remaining) [2022-03-01 17:00:00,599 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (19 of 30 remaining) [2022-03-01 17:00:00,599 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (18 of 30 remaining) [2022-03-01 17:00:00,599 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (17 of 30 remaining) [2022-03-01 17:00:00,599 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (16 of 30 remaining) [2022-03-01 17:00:00,599 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (15 of 30 remaining) [2022-03-01 17:00:00,600 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (14 of 30 remaining) [2022-03-01 17:00:00,600 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (13 of 30 remaining) [2022-03-01 17:00:00,600 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (12 of 30 remaining) [2022-03-01 17:00:00,600 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONDATA_RACE (11 of 30 remaining) [2022-03-01 17:00:00,600 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONDATA_RACE (10 of 30 remaining) [2022-03-01 17:00:00,600 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr4ASSERT_VIOLATIONDATA_RACE (9 of 30 remaining) [2022-03-01 17:00:00,600 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr5ASSERT_VIOLATIONDATA_RACE (8 of 30 remaining) [2022-03-01 17:00:00,600 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr6ASSERT_VIOLATIONDATA_RACE (7 of 30 remaining) [2022-03-01 17:00:00,600 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (6 of 30 remaining) [2022-03-01 17:00:00,600 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (5 of 30 remaining) [2022-03-01 17:00:00,600 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONDATA_RACE (4 of 30 remaining) [2022-03-01 17:00:00,600 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONDATA_RACE (3 of 30 remaining) [2022-03-01 17:00:00,600 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr4ASSERT_VIOLATIONDATA_RACE (2 of 30 remaining) [2022-03-01 17:00:00,600 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr5ASSERT_VIOLATIONDATA_RACE (1 of 30 remaining) [2022-03-01 17:00:00,600 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr6ASSERT_VIOLATIONDATA_RACE (0 of 30 remaining) [2022-03-01 17:00:00,600 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable236 [2022-03-01 17:00:00,603 INFO L732 BasicCegarLoop]: Path program histogram: [94, 48, 44, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 17:00:00,607 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-01 17:00:00,607 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-01 17:00:00,699 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.03 05:00:00 BasicIcfg [2022-03-01 17:00:00,699 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-01 17:00:00,699 INFO L158 Benchmark]: Toolchain (without parser) took 583659.89ms. Allocated memory was 183.5MB in the beginning and 543.2MB in the end (delta: 359.7MB). Free memory was 129.3MB in the beginning and 222.7MB in the end (delta: -93.4MB). Peak memory consumption was 267.7MB. Max. memory is 8.0GB. [2022-03-01 17:00:00,699 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 183.5MB. Free memory was 148.7MB in the beginning and 148.6MB in the end (delta: 73.1kB). There was no memory consumed. Max. memory is 8.0GB. [2022-03-01 17:00:00,699 INFO L158 Benchmark]: CACSL2BoogieTranslator took 516.90ms. Allocated memory was 183.5MB in the beginning and 244.3MB in the end (delta: 60.8MB). Free memory was 129.1MB in the beginning and 192.4MB in the end (delta: -63.2MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2022-03-01 17:00:00,700 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.73ms. Allocated memory is still 244.3MB. Free memory was 192.4MB in the beginning and 188.6MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2022-03-01 17:00:00,700 INFO L158 Benchmark]: Boogie Preprocessor took 42.41ms. Allocated memory is still 244.3MB. Free memory was 188.6MB in the beginning and 185.9MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-01 17:00:00,700 INFO L158 Benchmark]: RCFGBuilder took 476.76ms. Allocated memory is still 244.3MB. Free memory was 185.9MB in the beginning and 161.3MB in the end (delta: 24.5MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB. [2022-03-01 17:00:00,700 INFO L158 Benchmark]: TraceAbstraction took 582565.85ms. Allocated memory was 244.3MB in the beginning and 543.2MB in the end (delta: 298.8MB). Free memory was 160.9MB in the beginning and 222.7MB in the end (delta: -61.8MB). Peak memory consumption was 238.4MB. Max. memory is 8.0GB. [2022-03-01 17:00:00,700 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 183.5MB. Free memory was 148.7MB in the beginning and 148.6MB in the end (delta: 73.1kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 516.90ms. Allocated memory was 183.5MB in the beginning and 244.3MB in the end (delta: 60.8MB). Free memory was 129.1MB in the beginning and 192.4MB in the end (delta: -63.2MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 52.73ms. Allocated memory is still 244.3MB. Free memory was 192.4MB in the beginning and 188.6MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 42.41ms. Allocated memory is still 244.3MB. Free memory was 188.6MB in the beginning and 185.9MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 476.76ms. Allocated memory is still 244.3MB. Free memory was 185.9MB in the beginning and 161.3MB in the end (delta: 24.5MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB. * TraceAbstraction took 582565.85ms. Allocated memory was 244.3MB in the beginning and 543.2MB in the end (delta: 298.8MB). Free memory was 160.9MB in the beginning and 222.7MB in the end (delta: -61.8MB). Peak memory consumption was 238.4MB. 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 - DataRaceFoundResult [Line: 1261]: Data race detected Data race detected The following path leads to a data race: [L1224-L1227] 0 struct s { int datum; struct s *next; } *A, *B; VAL [A={0:0}, B={0:0}] [L1232] 0 pthread_mutex_t A_mutex = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [A={0:0}, A_mutex={2:0}, B={0:0}] [L1233] 0 pthread_mutex_t B_mutex = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [A={0:0}, A_mutex={2:0}, B={0:0}, B_mutex={3:0}] [L1247] 0 pthread_t t1; VAL [A={0:0}, A_mutex={2:0}, B={0:0}, B_mutex={3:0}, t1={13:0}] [L1248] 0 int *ip; VAL [A={0:0}, A_mutex={2:0}, B={0:0}, B_mutex={3:0}, t1={13:0}] [L1249] 0 struct s *sp; VAL [A={0:0}, A_mutex={2:0}, B={0:0}, B_mutex={3:0}, t1={13:0}] [L1250] 0 struct s *p = malloc(sizeof(struct s)); VAL [A={0:0}, A_mutex={2:0}, B={0:0}, B_mutex={3:0}, malloc(sizeof(struct s))={-2:0}, p={-2:0}, t1={13:0}] [L1251] CALL 0 init(p,9) [L1229] 0 p -> datum = x VAL [\old(x)=9, A={0:0}, A_mutex={2:0}, B={0:0}, B_mutex={3:0}, p={-2:0}, p={-2:0}, x=9] [L1230] 0 p -> next = ((void *)0) VAL [\old(x)=9, A={0:0}, A_mutex={2:0}, B={0:0}, B_mutex={3:0}, p={-2:0}, p={-2:0}, x=9] [L1251] RET 0 init(p,9) [L1252] 0 A = malloc(sizeof(struct s)) VAL [A={11:0}, A = malloc(sizeof(struct s))=129, A_mutex={2:0}, B={0:0}, B_mutex={3:0}, malloc(sizeof(struct s))={11:0}, p={-2:0}, t1={13:0}] [L1253] 0 init(A,3) VAL [A={11:0}, A_mutex={2:0}, B={0:0}, B_mutex={3:0}, p={-2:0}, t1={13:0}] [L1253] CALL 0 init(A,3) [L1229] 0 p -> datum = x VAL [\old(x)=3, A={11:0}, A_mutex={2:0}, B={0:0}, B_mutex={3:0}, p={11:0}, p={11:0}, x=3] [L1230] 0 p -> next = ((void *)0) VAL [\old(x)=3, A={11:0}, A_mutex={2:0}, B={0:0}, B_mutex={3:0}, p={11:0}, p={11:0}, x=3] [L1253] RET 0 init(A,3) [L1254] EXPR 0 A->next VAL [A={11:0}, A_mutex={2:0}, B={0:0}, B_mutex={3:0}, p={-2:0}, t1={13:0}] [L1254] 0 A->next = p VAL [A={11:0}, A_mutex={2:0}, B={0:0}, B_mutex={3:0}, p={-2:0}, t1={13:0}] [L1255] 0 B = malloc(sizeof(struct s)) VAL [A={11:0}, A_mutex={2:0}, B={-3:0}, B = malloc(sizeof(struct s))=112, B_mutex={3:0}, malloc(sizeof(struct s))={-3:0}, p={-2:0}, t1={13:0}] [L1256] 0 init(B,5) VAL [A={11:0}, A_mutex={2:0}, B={-3:0}, B_mutex={3:0}, p={-2:0}, t1={13:0}] [L1256] CALL 0 init(B,5) [L1229] 0 p -> datum = x VAL [\old(x)=5, A={11:0}, A_mutex={2:0}, B={-3:0}, B_mutex={3:0}, p={-3:0}, p={-3:0}, x=5] [L1230] 0 p -> next = ((void *)0) VAL [\old(x)=5, A={11:0}, A_mutex={2:0}, B={-3:0}, B_mutex={3:0}, p={-3:0}, p={-3:0}, x=5] [L1256] RET 0 init(B,5) [L1257] FCALL, FORK 0 pthread_create(&t1, ((void *)0), t_fun, ((void *)0)) VAL [A={11:0}, A_mutex={2:0}, B={-3:0}, B_mutex={3:0}, p={-2:0}, pthread_create(&t1, ((void *)0), t_fun, ((void *)0))=-1, t1={13:0}] [L1235] 1 int *ip; VAL [A={11:0}, A_mutex={2:0}, arg={0:0}, arg={0:0}, B={-3:0}, B_mutex={3:0}] [L1236] 1 struct s *t, *sp = __VERIFIER_nondet_pointer(); VAL [__VERIFIER_nondet_pointer()={115:125}, A={11:0}, A_mutex={2:0}, arg={0:0}, arg={0:0}, B={-3:0}, B_mutex={3:0}, sp={115:125}] [L1258] 0 ip = &p->datum VAL [A={11:0}, A_mutex={2:0}, B={-3:0}, B_mutex={3:0}, ip={-2:0}, p={-2:0}, t1={13:0}] [L1259] 0 sp = ((struct s *)((char *)(ip)-(unsigned long)(&((struct s *)0)->datum))) VAL [A={11:0}, A_mutex={2:0}, B={-3:0}, B_mutex={3:0}, ip={-2:0}, p={-2:0}, sp={-2:0}, t1={13:0}] [L1261] EXPR 0 A->next VAL [A={11:0}, A->next={-2:0}, A_mutex={2:0}, B={-3:0}, B_mutex={3:0}, ip={-2:0}, p={-2:0}, sp={-2:0}, t1={13:0}] [L1261] 0 p = A->next VAL [A={11:0}, A->next={-2:0}, A_mutex={2:0}, B={-3:0}, B_mutex={3:0}, ip={-2:0}, p={-2:0}, sp={-2:0}, t1={13:0}] [L1237] 1 struct s *p = malloc(sizeof(struct s)); VAL [A={11:0}, A_mutex={2:0}, arg={0:0}, arg={0:0}, B={-3:0}, B_mutex={3:0}, malloc(sizeof(struct s))={-4:0}, p={-4:0}, sp={115:125}] [L1238] CALL 1 init(p,7) [L1229] 1 p -> datum = x VAL [\old(x)=5, \old(x)=7, A={11:0}, A_mutex={2:0}, B={-3:0}, B_mutex={3:0}, p={-4:0}, p={-3:0}, p={-4:0}, p={-3:0}, x=7, x=5] [L1230] 1 p -> next = ((void *)0) VAL [\old(x)=7, \old(x)=5, A={11:0}, A_mutex={2:0}, B={-3:0}, B_mutex={3:0}, p={-3:0}, p={-3:0}, p={-4:0}, p={-4:0}, x=5, x=7] [L1238] RET 1 init(p,7) [L1240] EXPR 1 A->next VAL [A={11:0}, A->next={-2:0}, A_mutex={2:0}, arg={0:0}, arg={0:0}, B={-3:0}, B_mutex={3:0}, p={-4:0}, sp={115:125}] [L1240] 1 t = A->next VAL [A={11:0}, A->next={-2:0}, A_mutex={2:0}, arg={0:0}, arg={0:0}, B={-3:0}, B_mutex={3:0}, p={-4:0}, sp={115:125}, t={-2:0}] [L1241] EXPR 1 A->next VAL [A={11:0}, A_mutex={2:0}, arg={0:0}, arg={0:0}, B={-3:0}, B_mutex={3:0}, p={-4:0}, sp={115:125}, t={-2:0}] [L1241] 1 A->next = sp VAL [A={11:0}, A->next = sp=103, A_mutex={2:0}, arg={0:0}, arg={0:0}, B={-3:0}, B_mutex={3:0}, p={-4:0}, sp={115:125}, t={-2:0}] [L1261] 0 p = A->next VAL [A={11:0}, A->next={-2:0}, A_mutex={2:0}, B={-3:0}, B_mutex={3:0}, ip={-2:0}, p={-2:0}, sp={-2:0}, t1={13:0}] Now there is a data race, but we were unable to determine exactly which statements and variables are involved. There could be a race between one of the statements * C: p -> next = ((void *)0) [1230] * C: A->next = p [1254] * C: p -> next = ((void *)0) [1230] * C: p -> datum = x [1229] * C: p -> datum = x [1229] * C: B = malloc(sizeof(struct s)) [1255] * C: p -> next = ((void *)0) [1230] * C: p -> datum = x [1229] * C: p -> next = ((void *)0) [1230] * C: A->next = p [1254] * C: A->next = sp [1241] * C: p -> datum = x [1229] * C: A->next = p [1254] * C: A->next = p [1254] * C: A = malloc(sizeof(struct s)) [1252] and C: p = A->next [1261] - UnprovableResult [Line: 1229]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1230]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1252]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1253]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1229]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1230]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1254]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1254]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1255]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1256]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1229]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1230]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1261]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1262]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1257]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 1229]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1230]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1240]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1240]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1241]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1241]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1242]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 323 locations, 30 error locations. Started 1 CEGAR loops. OverallTime: 582.3s, OverallIterations: 237, TraceHistogramMax: 1, PathProgramHistogramMax: 94, EmptinessCheckTime: 0.3s, AutomataDifference: 489.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 340160 SdHoareTripleChecker+Valid, 291.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 340160 mSDsluCounter, 951511 SdHoareTripleChecker+Invalid, 241.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 871334 mSDsCounter, 52855 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 727887 IncrementalHoareTripleChecker+Invalid, 780742 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 52855 mSolverCounterUnsat, 81212 mSDtfsCounter, 727887 mSolverCounterSat, 2.6s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 15737 GetRequests, 1071 SyntacticMatches, 0 SemanticMatches, 14666 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 279581 ImplicationChecksByTransitivity, 219.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3045occurred in iteration=124, InterpolantAutomatonStates: 11748, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 8.3s AutomataMinimizationTime, 236 MinimizatonAttempts, 516553 StatesRemovedByMinimization, 229 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.7s SsaConstructionTime, 2.9s SatisfiabilityAnalysisTime, 75.6s InterpolantComputationTime, 39927 NumberOfCodeBlocks, 39927 NumberOfCodeBlocksAsserted, 237 NumberOfCheckSat, 39497 ConstructedInterpolants, 0 QuantifiedInterpolants, 470200 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 236 InterpolantComputations, 236 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-03-01 17:00:00,868 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...