/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.check.absence.of.data.races.in.concurrent.programs true --cacsl2boogietranslator.check.unreachability.of.error.function.in.sv-comp.mode false -i ../../../trunk/examples/svcomp/goblint-regression/04-mutex_10-ptrmunge_nr.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-5b77e9fc37942d960732eb3788a90132329d3bc4-5b77e9f [2021-10-19 14:23:43,438 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2021-10-19 14:23:43,532 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 [2021-10-19 14:23:43,552 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-19 14:23:43,553 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-19 14:23:43,553 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-19 14:23:43,553 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-19 14:23:43,554 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-19 14:23:43,554 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-19 14:23:43,554 INFO L138 SettingsManager]: * Use SBE=true [2021-10-19 14:23:43,554 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-19 14:23:43,554 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-19 14:23:43,555 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-19 14:23:43,555 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-19 14:23:43,555 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-19 14:23:43,556 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-19 14:23:43,556 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-19 14:23:43,556 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-19 14:23:43,556 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-19 14:23:43,556 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-19 14:23:43,556 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-19 14:23:43,556 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-19 14:23:43,556 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-19 14:23:43,556 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-19 14:23:43,557 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-10-19 14:23:43,557 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-19 14:23:43,557 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-19 14:23:43,558 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-19 14:23:43,558 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-19 14:23:43,558 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-19 14:23:43,558 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-19 14:23:43,558 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-19 14:23:43,558 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-19 14:23:43,559 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-19 14:23:43,559 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2021-10-19 14:23:43,778 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-19 14:23:43,795 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-19 14:23:43,797 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-19 14:23:43,798 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-19 14:23:43,798 INFO L275 PluginConnector]: CDTParser initialized [2021-10-19 14:23:43,799 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/04-mutex_10-ptrmunge_nr.i [2021-10-19 14:23:43,851 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9de0ad370/7f2a95dea0414eceaca833f93f49bdf9/FLAGea6cf9511 [2021-10-19 14:23:44,302 INFO L306 CDTParser]: Found 1 translation units. [2021-10-19 14:23:44,302 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/04-mutex_10-ptrmunge_nr.i [2021-10-19 14:23:44,322 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9de0ad370/7f2a95dea0414eceaca833f93f49bdf9/FLAGea6cf9511 [2021-10-19 14:23:44,349 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9de0ad370/7f2a95dea0414eceaca833f93f49bdf9 [2021-10-19 14:23:44,351 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-19 14:23:44,352 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-19 14:23:44,354 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-19 14:23:44,354 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-19 14:23:44,356 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-19 14:23:44,357 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 02:23:44" (1/1) ... [2021-10-19 14:23:44,357 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@620e7e96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:23:44, skipping insertion in model container [2021-10-19 14:23:44,358 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 02:23:44" (1/1) ... [2021-10-19 14:23:44,362 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-19 14:23:44,399 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-19 14:23:44,746 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-19 14:23:44,753 INFO L203 MainTranslator]: Completed pre-run [2021-10-19 14:23:44,781 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-19 14:23:44,815 INFO L208 MainTranslator]: Completed translation [2021-10-19 14:23:44,816 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:23:44 WrapperNode [2021-10-19 14:23:44,816 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-19 14:23:44,817 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-19 14:23:44,817 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-19 14:23:44,817 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-19 14:23:44,821 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:23:44" (1/1) ... [2021-10-19 14:23:44,831 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:23:44" (1/1) ... [2021-10-19 14:23:44,847 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-19 14:23:44,847 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-19 14:23:44,847 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-19 14:23:44,847 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-19 14:23:44,852 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:23:44" (1/1) ... [2021-10-19 14:23:44,852 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:23:44" (1/1) ... [2021-10-19 14:23:44,854 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:23:44" (1/1) ... [2021-10-19 14:23:44,855 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:23:44" (1/1) ... [2021-10-19 14:23:44,860 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:23:44" (1/1) ... [2021-10-19 14:23:44,861 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:23:44" (1/1) ... [2021-10-19 14:23:44,862 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:23:44" (1/1) ... [2021-10-19 14:23:44,864 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-19 14:23:44,865 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-19 14:23:44,865 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-19 14:23:44,865 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-19 14:23:44,865 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:23:44" (1/1) ... [2021-10-19 14:23:44,873 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-19 14:23:44,880 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-19 14:23:44,923 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) [2021-10-19 14:23:44,943 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 [2021-10-19 14:23:44,966 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-19 14:23:44,966 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-19 14:23:44,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-19 14:23:44,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-19 14:23:44,968 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-10-19 14:23:44,968 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-10-19 14:23:44,968 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-10-19 14:23:44,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-19 14:23:44,968 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-19 14:23:44,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-19 14:23:44,969 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-19 14:23:45,373 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-19 14:23:45,373 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-10-19 14:23:45,374 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 02:23:45 BoogieIcfgContainer [2021-10-19 14:23:45,374 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-19 14:23:45,375 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-19 14:23:45,375 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-19 14:23:45,393 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-19 14:23:45,394 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.10 02:23:44" (1/3) ... [2021-10-19 14:23:45,394 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17bfcf3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 02:23:45, skipping insertion in model container [2021-10-19 14:23:45,394 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:23:44" (2/3) ... [2021-10-19 14:23:45,394 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17bfcf3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 02:23:45, skipping insertion in model container [2021-10-19 14:23:45,394 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 02:23:45" (3/3) ... [2021-10-19 14:23:45,395 INFO L111 eAbstractionObserver]: Analyzing ICFG 04-mutex_10-ptrmunge_nr.i [2021-10-19 14:23:45,398 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-19 14:23:45,399 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-19 14:23:45,399 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2021-10-19 14:23:45,399 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-19 14:23:45,430 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:45,430 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:45,431 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:45,431 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:45,431 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:45,431 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:45,431 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:45,431 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:45,431 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~v.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:45,431 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~v.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:45,431 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:45,431 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:45,432 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~v.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:45,432 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~v.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:45,432 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:45,432 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:45,432 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:45,432 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:45,432 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:45,432 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:45,432 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:45,432 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:45,432 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:45,432 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:45,433 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:45,433 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:45,433 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:45,433 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:45,433 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:45,433 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:45,433 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:45,433 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:45,433 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:45,433 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:45,433 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:45,433 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:45,434 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:45,434 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:45,434 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~v.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:45,434 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~v.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:45,434 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:45,434 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:45,434 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~v.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:45,434 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~v.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:45,434 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:45,434 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:45,434 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:45,435 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:45,435 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:45,435 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:45,435 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:45,435 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:45,435 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:45,435 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:45,435 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:45,435 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:45,435 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:45,436 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:45,436 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:45,436 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:45,436 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:45,436 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:45,436 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:45,436 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:45,436 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:45,436 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:45,436 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:45,436 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:45,437 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:45,437 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:45,437 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:45,437 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:45,437 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:45,437 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:45,437 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:45,437 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:45,437 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:45,437 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:45,438 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:45,438 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:45,438 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:45,438 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:45,438 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:45,438 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:45,438 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:45,438 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:45,439 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:45,439 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:45,439 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:45,439 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:45,439 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:45,439 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:45,439 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:45,439 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:45,439 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:45,440 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:45,440 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:45,440 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:45,440 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:45,440 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:45,440 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:45,441 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:45,441 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:45,441 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:45,441 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:45,441 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:45,441 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:45,442 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:45,442 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:45,442 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:45,442 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:45,442 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:45,442 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:45,442 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:45,442 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:45,442 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:45,443 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:45,443 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:45,443 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:45,445 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:45,446 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:45,446 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:45,446 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:45,446 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:45,446 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:45,446 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:45,447 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:45,447 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:45,447 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:45,447 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:45,447 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:45,447 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:45,448 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:45,448 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:45,448 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:45,448 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:45,449 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:45,449 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:45,449 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:45,449 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:45,451 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:45,451 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:45,451 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~v.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:45,451 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:45,452 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~v.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:45,452 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:45,452 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:45,452 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:45,452 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_munge_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:45,452 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:45,452 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:45,453 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:45,453 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:45,453 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~v.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:45,453 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:45,460 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-10-19 14:23:45,494 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-19 14:23:45,500 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, mConcurrency=FINITE_AUTOMATA, 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 [2021-10-19 14:23:45,501 INFO L340 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2021-10-19 14:23:45,511 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 98 places, 94 transitions, 196 flow [2021-10-19 14:23:45,550 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 972 states, 961 states have (on average 1.931321540062435) internal successors, (1856), 971 states have internal predecessors, (1856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:23:45,552 INFO L276 IsEmpty]: Start isEmpty. Operand has 972 states, 961 states have (on average 1.931321540062435) internal successors, (1856), 971 states have internal predecessors, (1856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:23:45,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-10-19 14:23:45,560 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:23:45,560 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:23:45,561 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-10-19 14:23:45,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:23:45,564 INFO L82 PathProgramCache]: Analyzing trace with hash -1842975041, now seen corresponding path program 1 times [2021-10-19 14:23:45,570 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:23:45,570 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [344751414] [2021-10-19 14:23:45,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:23:45,571 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:23:45,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:23:45,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:23:45,870 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:23:45,870 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [344751414] [2021-10-19 14:23:45,871 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [344751414] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:23:45,871 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:23:45,871 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-19 14:23:45,872 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392773916] [2021-10-19 14:23:45,875 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-19 14:23:45,875 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:23:45,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-19 14:23:45,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-19 14:23:45,887 INFO L87 Difference]: Start difference. First operand has 972 states, 961 states have (on average 1.931321540062435) internal successors, (1856), 971 states have internal predecessors, (1856), 0 states have call successors, (0), 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 7.8) internal successors, (39), 6 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:23:46,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:23:46,196 INFO L93 Difference]: Finished difference Result 1066 states and 2037 transitions. [2021-10-19 14:23:46,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-19 14:23:46,197 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.8) internal successors, (39), 6 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 39 [2021-10-19 14:23:46,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:23:46,213 INFO L225 Difference]: With dead ends: 1066 [2021-10-19 14:23:46,213 INFO L226 Difference]: Without dead ends: 1066 [2021-10-19 14:23:46,214 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 37.9ms TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-19 14:23:46,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1066 states. [2021-10-19 14:23:46,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1066 to 1018. [2021-10-19 14:23:46,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1018 states, 1008 states have (on average 1.9285714285714286) internal successors, (1944), 1017 states have internal predecessors, (1944), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:23:46,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1018 states to 1018 states and 1944 transitions. [2021-10-19 14:23:46,338 INFO L78 Accepts]: Start accepts. Automaton has 1018 states and 1944 transitions. Word has length 39 [2021-10-19 14:23:46,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:23:46,338 INFO L470 AbstractCegarLoop]: Abstraction has 1018 states and 1944 transitions. [2021-10-19 14:23:46,338 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.8) internal successors, (39), 6 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:23:46,338 INFO L276 IsEmpty]: Start isEmpty. Operand 1018 states and 1944 transitions. [2021-10-19 14:23:46,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-10-19 14:23:46,343 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:23:46,343 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:23:46,343 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-19 14:23:46,344 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-10-19 14:23:46,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:23:46,346 INFO L82 PathProgramCache]: Analyzing trace with hash 1630781041, now seen corresponding path program 1 times [2021-10-19 14:23:46,346 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:23:46,347 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1758148789] [2021-10-19 14:23:46,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:23:46,347 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:23:46,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:23:46,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:23:46,471 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:23:46,472 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1758148789] [2021-10-19 14:23:46,472 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1758148789] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:23:46,472 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:23:46,472 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-19 14:23:46,473 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725890015] [2021-10-19 14:23:46,474 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-19 14:23:46,474 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:23:46,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-19 14:23:46,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-19 14:23:46,475 INFO L87 Difference]: Start difference. First operand 1018 states and 1944 transitions. Second operand has 6 states, 5 states have (on average 8.0) internal successors, (40), 6 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:23:46,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:23:46,637 INFO L93 Difference]: Finished difference Result 1079 states and 2059 transitions. [2021-10-19 14:23:46,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-19 14:23:46,638 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.0) internal successors, (40), 6 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 40 [2021-10-19 14:23:46,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:23:46,641 INFO L225 Difference]: With dead ends: 1079 [2021-10-19 14:23:46,641 INFO L226 Difference]: Without dead ends: 1079 [2021-10-19 14:23:46,642 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 23.1ms TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-19 14:23:46,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1079 states. [2021-10-19 14:23:46,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1079 to 1046. [2021-10-19 14:23:46,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1046 states, 1036 states have (on average 1.9266409266409266) internal successors, (1996), 1045 states have internal predecessors, (1996), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:23:46,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1046 states to 1046 states and 1996 transitions. [2021-10-19 14:23:46,660 INFO L78 Accepts]: Start accepts. Automaton has 1046 states and 1996 transitions. Word has length 40 [2021-10-19 14:23:46,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:23:46,661 INFO L470 AbstractCegarLoop]: Abstraction has 1046 states and 1996 transitions. [2021-10-19 14:23:46,661 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.0) internal successors, (40), 6 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:23:46,661 INFO L276 IsEmpty]: Start isEmpty. Operand 1046 states and 1996 transitions. [2021-10-19 14:23:46,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-10-19 14:23:46,662 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:23:46,662 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:23:46,663 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-19 14:23:46,663 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-10-19 14:23:46,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:23:46,663 INFO L82 PathProgramCache]: Analyzing trace with hash 306467311, now seen corresponding path program 1 times [2021-10-19 14:23:46,663 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:23:46,663 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1885875785] [2021-10-19 14:23:46,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:23:46,664 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:23:46,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:23:46,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:23:46,735 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:23:46,735 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1885875785] [2021-10-19 14:23:46,735 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1885875785] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:23:46,735 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:23:46,735 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-19 14:23:46,736 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1682200059] [2021-10-19 14:23:46,736 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-19 14:23:46,736 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:23:46,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-19 14:23:46,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-19 14:23:46,737 INFO L87 Difference]: Start difference. First operand 1046 states and 1996 transitions. Second operand has 6 states, 5 states have (on average 9.2) internal successors, (46), 6 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:23:46,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:23:46,929 INFO L93 Difference]: Finished difference Result 1183 states and 2263 transitions. [2021-10-19 14:23:46,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-19 14:23:46,930 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.2) internal successors, (46), 6 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 46 [2021-10-19 14:23:46,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:23:46,934 INFO L225 Difference]: With dead ends: 1183 [2021-10-19 14:23:46,934 INFO L226 Difference]: Without dead ends: 1163 [2021-10-19 14:23:46,935 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 22.5ms TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-19 14:23:46,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1163 states. [2021-10-19 14:23:46,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1163 to 1111. [2021-10-19 14:23:46,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1111 states, 1101 states have (on average 1.9264305177111716) internal successors, (2121), 1110 states have internal predecessors, (2121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:23:46,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1111 states to 1111 states and 2121 transitions. [2021-10-19 14:23:46,952 INFO L78 Accepts]: Start accepts. Automaton has 1111 states and 2121 transitions. Word has length 46 [2021-10-19 14:23:46,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:23:46,953 INFO L470 AbstractCegarLoop]: Abstraction has 1111 states and 2121 transitions. [2021-10-19 14:23:46,953 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.2) internal successors, (46), 6 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:23:46,953 INFO L276 IsEmpty]: Start isEmpty. Operand 1111 states and 2121 transitions. [2021-10-19 14:23:46,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-10-19 14:23:46,954 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:23:46,954 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:23:46,954 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-19 14:23:46,954 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-10-19 14:23:46,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:23:46,954 INFO L82 PathProgramCache]: Analyzing trace with hash 931065363, now seen corresponding path program 1 times [2021-10-19 14:23:46,954 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:23:46,955 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1924284838] [2021-10-19 14:23:46,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:23:46,955 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:23:46,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:23:47,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:23:47,015 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:23:47,015 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1924284838] [2021-10-19 14:23:47,015 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1924284838] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:23:47,015 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:23:47,015 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-19 14:23:47,015 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754044747] [2021-10-19 14:23:47,016 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-19 14:23:47,016 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:23:47,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-19 14:23:47,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-19 14:23:47,016 INFO L87 Difference]: Start difference. First operand 1111 states and 2121 transitions. 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) [2021-10-19 14:23:47,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:23:47,159 INFO L93 Difference]: Finished difference Result 1226 states and 2345 transitions. [2021-10-19 14:23:47,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-19 14:23:47,159 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 [2021-10-19 14:23:47,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:23:47,163 INFO L225 Difference]: With dead ends: 1226 [2021-10-19 14:23:47,163 INFO L226 Difference]: Without dead ends: 1226 [2021-10-19 14:23:47,164 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 19.5ms TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-19 14:23:47,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1226 states. [2021-10-19 14:23:47,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1226 to 1176. [2021-10-19 14:23:47,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1176 states, 1166 states have (on average 1.9271012006861064) internal successors, (2247), 1175 states have internal predecessors, (2247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:23:47,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1176 states to 1176 states and 2247 transitions. [2021-10-19 14:23:47,181 INFO L78 Accepts]: Start accepts. Automaton has 1176 states and 2247 transitions. Word has length 47 [2021-10-19 14:23:47,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:23:47,181 INFO L470 AbstractCegarLoop]: Abstraction has 1176 states and 2247 transitions. [2021-10-19 14:23:47,181 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) [2021-10-19 14:23:47,182 INFO L276 IsEmpty]: Start isEmpty. Operand 1176 states and 2247 transitions. [2021-10-19 14:23:47,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-19 14:23:47,182 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:23:47,183 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:23:47,183 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-19 14:23:47,183 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-10-19 14:23:47,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:23:47,183 INFO L82 PathProgramCache]: Analyzing trace with hash -16599843, now seen corresponding path program 1 times [2021-10-19 14:23:47,183 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:23:47,184 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [999813909] [2021-10-19 14:23:47,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:23:47,184 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:23:47,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:23:47,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:23:47,359 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:23:47,359 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [999813909] [2021-10-19 14:23:47,360 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [999813909] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:23:47,360 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:23:47,364 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-19 14:23:47,365 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173848509] [2021-10-19 14:23:47,365 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-19 14:23:47,365 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:23:47,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-19 14:23:47,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2021-10-19 14:23:47,366 INFO L87 Difference]: Start difference. First operand 1176 states and 2247 transitions. Second operand has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:23:48,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:23:48,548 INFO L93 Difference]: Finished difference Result 2478 states and 4773 transitions. [2021-10-19 14:23:48,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-10-19 14:23:48,548 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2021-10-19 14:23:48,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:23:48,556 INFO L225 Difference]: With dead ends: 2478 [2021-10-19 14:23:48,556 INFO L226 Difference]: Without dead ends: 2478 [2021-10-19 14:23:48,557 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 119 ImplicationChecksByTransitivity, 403.8ms TimeCoverageRelationStatistics Valid=332, Invalid=724, Unknown=0, NotChecked=0, Total=1056 [2021-10-19 14:23:48,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2478 states. [2021-10-19 14:23:48,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2478 to 1311. [2021-10-19 14:23:48,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1311 states, 1301 states have (on average 1.9369715603382014) internal successors, (2520), 1310 states have internal predecessors, (2520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:23:48,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1311 states to 1311 states and 2520 transitions. [2021-10-19 14:23:48,584 INFO L78 Accepts]: Start accepts. Automaton has 1311 states and 2520 transitions. Word has length 56 [2021-10-19 14:23:48,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:23:48,584 INFO L470 AbstractCegarLoop]: Abstraction has 1311 states and 2520 transitions. [2021-10-19 14:23:48,584 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:23:48,584 INFO L276 IsEmpty]: Start isEmpty. Operand 1311 states and 2520 transitions. [2021-10-19 14:23:48,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-19 14:23:48,585 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:23:48,586 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:23:48,586 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-19 14:23:48,586 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-10-19 14:23:48,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:23:48,586 INFO L82 PathProgramCache]: Analyzing trace with hash 71068961, now seen corresponding path program 2 times [2021-10-19 14:23:48,586 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:23:48,586 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1574952704] [2021-10-19 14:23:48,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:23:48,587 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:23:48,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:23:48,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:23:48,747 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:23:48,747 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1574952704] [2021-10-19 14:23:48,748 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1574952704] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:23:48,748 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:23:48,748 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-19 14:23:48,748 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629053818] [2021-10-19 14:23:48,748 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-19 14:23:48,748 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:23:48,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-19 14:23:48,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2021-10-19 14:23:48,749 INFO L87 Difference]: Start difference. First operand 1311 states and 2520 transitions. Second operand has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:23:49,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:23:49,816 INFO L93 Difference]: Finished difference Result 3242 states and 6234 transitions. [2021-10-19 14:23:49,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-10-19 14:23:49,816 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2021-10-19 14:23:49,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:23:49,827 INFO L225 Difference]: With dead ends: 3242 [2021-10-19 14:23:49,827 INFO L226 Difference]: Without dead ends: 3242 [2021-10-19 14:23:49,828 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 138 ImplicationChecksByTransitivity, 366.9ms TimeCoverageRelationStatistics Valid=343, Invalid=779, Unknown=0, NotChecked=0, Total=1122 [2021-10-19 14:23:49,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3242 states. [2021-10-19 14:23:49,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3242 to 1504. [2021-10-19 14:23:49,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1504 states, 1494 states have (on average 1.9497991967871486) internal successors, (2913), 1503 states have internal predecessors, (2913), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:23:49,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1504 states to 1504 states and 2913 transitions. [2021-10-19 14:23:49,860 INFO L78 Accepts]: Start accepts. Automaton has 1504 states and 2913 transitions. Word has length 56 [2021-10-19 14:23:49,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:23:49,860 INFO L470 AbstractCegarLoop]: Abstraction has 1504 states and 2913 transitions. [2021-10-19 14:23:49,860 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:23:49,860 INFO L276 IsEmpty]: Start isEmpty. Operand 1504 states and 2913 transitions. [2021-10-19 14:23:49,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-19 14:23:49,861 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:23:49,862 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:23:49,862 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-19 14:23:49,862 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-10-19 14:23:49,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:23:49,862 INFO L82 PathProgramCache]: Analyzing trace with hash 83755017, now seen corresponding path program 1 times [2021-10-19 14:23:49,862 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:23:49,862 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067968925] [2021-10-19 14:23:49,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:23:49,863 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:23:49,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:23:50,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:23:50,039 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:23:50,039 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1067968925] [2021-10-19 14:23:50,039 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1067968925] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:23:50,039 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:23:50,039 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-19 14:23:50,039 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [375958436] [2021-10-19 14:23:50,039 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-19 14:23:50,039 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:23:50,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-19 14:23:50,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2021-10-19 14:23:50,040 INFO L87 Difference]: Start difference. First operand 1504 states and 2913 transitions. Second operand has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:23:50,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:23:50,547 INFO L93 Difference]: Finished difference Result 3039 states and 5826 transitions. [2021-10-19 14:23:50,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-19 14:23:50,547 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2021-10-19 14:23:50,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:23:50,556 INFO L225 Difference]: With dead ends: 3039 [2021-10-19 14:23:50,556 INFO L226 Difference]: Without dead ends: 3039 [2021-10-19 14:23:50,556 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 238.5ms TimeCoverageRelationStatistics Valid=179, Invalid=421, Unknown=0, NotChecked=0, Total=600 [2021-10-19 14:23:50,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3039 states. [2021-10-19 14:23:50,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3039 to 1488. [2021-10-19 14:23:50,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1488 states, 1478 states have (on average 1.9465493910690121) internal successors, (2877), 1487 states have internal predecessors, (2877), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:23:50,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1488 states to 1488 states and 2877 transitions. [2021-10-19 14:23:50,585 INFO L78 Accepts]: Start accepts. Automaton has 1488 states and 2877 transitions. Word has length 56 [2021-10-19 14:23:50,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:23:50,585 INFO L470 AbstractCegarLoop]: Abstraction has 1488 states and 2877 transitions. [2021-10-19 14:23:50,585 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:23:50,585 INFO L276 IsEmpty]: Start isEmpty. Operand 1488 states and 2877 transitions. [2021-10-19 14:23:50,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-19 14:23:50,586 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:23:50,586 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:23:50,587 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-19 14:23:50,587 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-10-19 14:23:50,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:23:50,587 INFO L82 PathProgramCache]: Analyzing trace with hash -667060735, now seen corresponding path program 1 times [2021-10-19 14:23:50,587 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:23:50,587 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1818671151] [2021-10-19 14:23:50,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:23:50,588 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:23:50,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:23:50,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:23:50,832 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:23:50,832 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1818671151] [2021-10-19 14:23:50,832 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1818671151] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:23:50,832 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:23:50,833 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-19 14:23:50,833 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1328905685] [2021-10-19 14:23:50,833 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-19 14:23:50,833 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:23:50,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-19 14:23:50,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2021-10-19 14:23:50,834 INFO L87 Difference]: Start difference. First operand 1488 states and 2877 transitions. Second operand has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:23:51,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:23:51,551 INFO L93 Difference]: Finished difference Result 2674 states and 5164 transitions. [2021-10-19 14:23:51,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-10-19 14:23:51,551 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2021-10-19 14:23:51,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:23:51,559 INFO L225 Difference]: With dead ends: 2674 [2021-10-19 14:23:51,559 INFO L226 Difference]: Without dead ends: 2673 [2021-10-19 14:23:51,560 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 4 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 275.6ms TimeCoverageRelationStatistics Valid=164, Invalid=388, Unknown=0, NotChecked=0, Total=552 [2021-10-19 14:23:51,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2673 states. [2021-10-19 14:23:51,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2673 to 1503. [2021-10-19 14:23:51,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1503 states, 1493 states have (on average 1.9470864032150033) internal successors, (2907), 1502 states have internal predecessors, (2907), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:23:51,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1503 states to 1503 states and 2907 transitions. [2021-10-19 14:23:51,596 INFO L78 Accepts]: Start accepts. Automaton has 1503 states and 2907 transitions. Word has length 56 [2021-10-19 14:23:51,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:23:51,596 INFO L470 AbstractCegarLoop]: Abstraction has 1503 states and 2907 transitions. [2021-10-19 14:23:51,597 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:23:51,598 INFO L276 IsEmpty]: Start isEmpty. Operand 1503 states and 2907 transitions. [2021-10-19 14:23:51,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-19 14:23:51,599 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:23:51,599 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:23:51,600 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-19 14:23:51,600 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-10-19 14:23:51,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:23:51,600 INFO L82 PathProgramCache]: Analyzing trace with hash 7741829, now seen corresponding path program 2 times [2021-10-19 14:23:51,600 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:23:51,600 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1922262446] [2021-10-19 14:23:51,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:23:51,601 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:23:51,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:23:51,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:23:51,895 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:23:51,896 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1922262446] [2021-10-19 14:23:51,896 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1922262446] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:23:51,896 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:23:51,896 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-19 14:23:51,896 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928261392] [2021-10-19 14:23:51,896 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-19 14:23:51,896 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:23:51,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-19 14:23:51,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2021-10-19 14:23:51,897 INFO L87 Difference]: Start difference. First operand 1503 states and 2907 transitions. Second operand has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:23:52,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:23:52,604 INFO L93 Difference]: Finished difference Result 2745 states and 5304 transitions. [2021-10-19 14:23:52,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-19 14:23:52,604 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2021-10-19 14:23:52,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:23:52,612 INFO L225 Difference]: With dead ends: 2745 [2021-10-19 14:23:52,612 INFO L226 Difference]: Without dead ends: 2743 [2021-10-19 14:23:52,613 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 1 SyntacticMatches, 4 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 292.4ms TimeCoverageRelationStatistics Valid=178, Invalid=422, Unknown=0, NotChecked=0, Total=600 [2021-10-19 14:23:52,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2743 states. [2021-10-19 14:23:52,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2743 to 1521. [2021-10-19 14:23:52,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1521 states, 1511 states have (on average 1.9477167438782264) internal successors, (2943), 1520 states have internal predecessors, (2943), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:23:52,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1521 states to 1521 states and 2943 transitions. [2021-10-19 14:23:52,639 INFO L78 Accepts]: Start accepts. Automaton has 1521 states and 2943 transitions. Word has length 56 [2021-10-19 14:23:52,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:23:52,639 INFO L470 AbstractCegarLoop]: Abstraction has 1521 states and 2943 transitions. [2021-10-19 14:23:52,640 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:23:52,640 INFO L276 IsEmpty]: Start isEmpty. Operand 1521 states and 2943 transitions. [2021-10-19 14:23:52,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-19 14:23:52,641 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:23:52,641 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:23:52,641 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-19 14:23:52,641 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-10-19 14:23:52,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:23:52,642 INFO L82 PathProgramCache]: Analyzing trace with hash 1252739649, now seen corresponding path program 3 times [2021-10-19 14:23:52,642 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:23:52,642 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2091163047] [2021-10-19 14:23:52,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:23:52,642 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:23:52,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:23:52,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:23:52,881 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:23:52,881 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2091163047] [2021-10-19 14:23:52,881 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2091163047] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:23:52,882 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:23:52,882 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-19 14:23:52,882 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1747041155] [2021-10-19 14:23:52,882 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-19 14:23:52,882 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:23:52,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-19 14:23:52,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2021-10-19 14:23:52,883 INFO L87 Difference]: Start difference. First operand 1521 states and 2943 transitions. Second operand has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:23:53,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:23:53,569 INFO L93 Difference]: Finished difference Result 2806 states and 5424 transitions. [2021-10-19 14:23:53,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-19 14:23:53,570 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2021-10-19 14:23:53,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:23:53,580 INFO L225 Difference]: With dead ends: 2806 [2021-10-19 14:23:53,580 INFO L226 Difference]: Without dead ends: 2803 [2021-10-19 14:23:53,581 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 1 SyntacticMatches, 4 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 298.2ms TimeCoverageRelationStatistics Valid=175, Invalid=425, Unknown=0, NotChecked=0, Total=600 [2021-10-19 14:23:53,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2803 states. [2021-10-19 14:23:53,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2803 to 1539. [2021-10-19 14:23:53,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1539 states, 1529 states have (on average 1.948332243296272) internal successors, (2979), 1538 states have internal predecessors, (2979), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:23:53,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1539 states to 1539 states and 2979 transitions. [2021-10-19 14:23:53,607 INFO L78 Accepts]: Start accepts. Automaton has 1539 states and 2979 transitions. Word has length 56 [2021-10-19 14:23:53,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:23:53,607 INFO L470 AbstractCegarLoop]: Abstraction has 1539 states and 2979 transitions. [2021-10-19 14:23:53,607 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:23:53,607 INFO L276 IsEmpty]: Start isEmpty. Operand 1539 states and 2979 transitions. [2021-10-19 14:23:53,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-19 14:23:53,608 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:23:53,608 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:23:53,608 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-19 14:23:53,609 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-10-19 14:23:53,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:23:53,609 INFO L82 PathProgramCache]: Analyzing trace with hash 1187990853, now seen corresponding path program 4 times [2021-10-19 14:23:53,609 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:23:53,609 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [894897946] [2021-10-19 14:23:53,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:23:53,609 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:23:53,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:23:53,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:23:53,849 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:23:53,849 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [894897946] [2021-10-19 14:23:53,849 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [894897946] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:23:53,849 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:23:53,849 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-19 14:23:53,850 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2062475853] [2021-10-19 14:23:53,850 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-19 14:23:53,850 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:23:53,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-19 14:23:53,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2021-10-19 14:23:53,851 INFO L87 Difference]: Start difference. First operand 1539 states and 2979 transitions. Second operand has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:23:54,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:23:54,449 INFO L93 Difference]: Finished difference Result 2867 states and 5544 transitions. [2021-10-19 14:23:54,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-19 14:23:54,449 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2021-10-19 14:23:54,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:23:54,455 INFO L225 Difference]: With dead ends: 2867 [2021-10-19 14:23:54,455 INFO L226 Difference]: Without dead ends: 2863 [2021-10-19 14:23:54,456 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 1 SyntacticMatches, 4 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 343.4ms TimeCoverageRelationStatistics Valid=174, Invalid=426, Unknown=0, NotChecked=0, Total=600 [2021-10-19 14:23:54,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2863 states. [2021-10-19 14:23:54,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2863 to 1557. [2021-10-19 14:23:54,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1557 states, 1547 states have (on average 1.9489334195216548) internal successors, (3015), 1556 states have internal predecessors, (3015), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:23:54,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1557 states to 1557 states and 3015 transitions. [2021-10-19 14:23:54,510 INFO L78 Accepts]: Start accepts. Automaton has 1557 states and 3015 transitions. Word has length 56 [2021-10-19 14:23:54,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:23:54,511 INFO L470 AbstractCegarLoop]: Abstraction has 1557 states and 3015 transitions. [2021-10-19 14:23:54,511 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:23:54,511 INFO L276 IsEmpty]: Start isEmpty. Operand 1557 states and 3015 transitions. [2021-10-19 14:23:54,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-19 14:23:54,512 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:23:54,512 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:23:54,512 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-19 14:23:54,513 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-10-19 14:23:54,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:23:54,513 INFO L82 PathProgramCache]: Analyzing trace with hash -973463935, now seen corresponding path program 5 times [2021-10-19 14:23:54,513 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:23:54,513 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603080881] [2021-10-19 14:23:54,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:23:54,513 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:23:54,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:23:54,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:23:54,737 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:23:54,738 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [603080881] [2021-10-19 14:23:54,738 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [603080881] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:23:54,738 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:23:54,738 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-19 14:23:54,738 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1179694243] [2021-10-19 14:23:54,738 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-19 14:23:54,738 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:23:54,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-19 14:23:54,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2021-10-19 14:23:54,739 INFO L87 Difference]: Start difference. First operand 1557 states and 3015 transitions. Second operand has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:23:55,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:23:55,464 INFO L93 Difference]: Finished difference Result 3118 states and 5985 transitions. [2021-10-19 14:23:55,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-19 14:23:55,464 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2021-10-19 14:23:55,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:23:55,474 INFO L225 Difference]: With dead ends: 3118 [2021-10-19 14:23:55,474 INFO L226 Difference]: Without dead ends: 3114 [2021-10-19 14:23:55,475 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 1 SyntacticMatches, 4 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 257.9ms TimeCoverageRelationStatistics Valid=175, Invalid=425, Unknown=0, NotChecked=0, Total=600 [2021-10-19 14:23:55,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3114 states. [2021-10-19 14:23:55,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3114 to 1481. [2021-10-19 14:23:55,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1481 states, 1471 states have (on average 1.9422161794697486) internal successors, (2857), 1480 states have internal predecessors, (2857), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:23:55,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1481 states to 1481 states and 2857 transitions. [2021-10-19 14:23:55,503 INFO L78 Accepts]: Start accepts. Automaton has 1481 states and 2857 transitions. Word has length 56 [2021-10-19 14:23:55,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:23:55,503 INFO L470 AbstractCegarLoop]: Abstraction has 1481 states and 2857 transitions. [2021-10-19 14:23:55,503 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:23:55,503 INFO L276 IsEmpty]: Start isEmpty. Operand 1481 states and 2857 transitions. [2021-10-19 14:23:55,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-19 14:23:55,508 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:23:55,508 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:23:55,508 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-10-19 14:23:55,508 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-10-19 14:23:55,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:23:55,508 INFO L82 PathProgramCache]: Analyzing trace with hash 583933935, now seen corresponding path program 1 times [2021-10-19 14:23:55,509 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:23:55,509 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1795691565] [2021-10-19 14:23:55,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:23:55,509 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:23:55,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:23:55,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:23:55,652 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:23:55,652 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1795691565] [2021-10-19 14:23:55,652 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1795691565] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:23:55,652 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:23:55,652 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-19 14:23:55,652 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054578421] [2021-10-19 14:23:55,653 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-19 14:23:55,653 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:23:55,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-19 14:23:55,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2021-10-19 14:23:55,653 INFO L87 Difference]: Start difference. First operand 1481 states and 2857 transitions. Second operand has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:23:56,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:23:56,369 INFO L93 Difference]: Finished difference Result 2915 states and 5591 transitions. [2021-10-19 14:23:56,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-10-19 14:23:56,369 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2021-10-19 14:23:56,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:23:56,376 INFO L225 Difference]: With dead ends: 2915 [2021-10-19 14:23:56,376 INFO L226 Difference]: Without dead ends: 2915 [2021-10-19 14:23:56,376 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 120 ImplicationChecksByTransitivity, 346.7ms TimeCoverageRelationStatistics Valid=359, Invalid=763, Unknown=0, NotChecked=0, Total=1122 [2021-10-19 14:23:56,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2915 states. [2021-10-19 14:23:56,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2915 to 1455. [2021-10-19 14:23:56,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1455 states, 1445 states have (on average 1.9411764705882353) internal successors, (2805), 1454 states have internal predecessors, (2805), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:23:56,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1455 states to 1455 states and 2805 transitions. [2021-10-19 14:23:56,431 INFO L78 Accepts]: Start accepts. Automaton has 1455 states and 2805 transitions. Word has length 56 [2021-10-19 14:23:56,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:23:56,431 INFO L470 AbstractCegarLoop]: Abstraction has 1455 states and 2805 transitions. [2021-10-19 14:23:56,431 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:23:56,431 INFO L276 IsEmpty]: Start isEmpty. Operand 1455 states and 2805 transitions. [2021-10-19 14:23:56,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-19 14:23:56,433 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:23:56,433 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:23:56,433 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-10-19 14:23:56,433 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-10-19 14:23:56,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:23:56,433 INFO L82 PathProgramCache]: Analyzing trace with hash 2081005149, now seen corresponding path program 3 times [2021-10-19 14:23:56,433 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:23:56,433 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2104589002] [2021-10-19 14:23:56,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:23:56,434 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:23:56,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:23:56,556 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:23:56,556 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:23:56,556 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2104589002] [2021-10-19 14:23:56,557 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2104589002] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:23:56,557 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:23:56,557 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-19 14:23:56,557 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366244189] [2021-10-19 14:23:56,557 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-19 14:23:56,557 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:23:56,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-19 14:23:56,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2021-10-19 14:23:56,558 INFO L87 Difference]: Start difference. First operand 1455 states and 2805 transitions. Second operand has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:23:57,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:23:57,467 INFO L93 Difference]: Finished difference Result 3897 states and 7484 transitions. [2021-10-19 14:23:57,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-10-19 14:23:57,467 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2021-10-19 14:23:57,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:23:57,474 INFO L225 Difference]: With dead ends: 3897 [2021-10-19 14:23:57,474 INFO L226 Difference]: Without dead ends: 3897 [2021-10-19 14:23:57,475 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 187 ImplicationChecksByTransitivity, 296.1ms TimeCoverageRelationStatistics Valid=435, Invalid=971, Unknown=0, NotChecked=0, Total=1406 [2021-10-19 14:23:57,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3897 states. [2021-10-19 14:23:57,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3897 to 1756. [2021-10-19 14:23:57,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1756 states, 1746 states have (on average 1.9570446735395188) internal successors, (3417), 1755 states have internal predecessors, (3417), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:23:57,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1756 states to 1756 states and 3417 transitions. [2021-10-19 14:23:57,565 INFO L78 Accepts]: Start accepts. Automaton has 1756 states and 3417 transitions. Word has length 56 [2021-10-19 14:23:57,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:23:57,566 INFO L470 AbstractCegarLoop]: Abstraction has 1756 states and 3417 transitions. [2021-10-19 14:23:57,566 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:23:57,566 INFO L276 IsEmpty]: Start isEmpty. Operand 1756 states and 3417 transitions. [2021-10-19 14:23:57,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-19 14:23:57,569 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:23:57,569 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:23:57,570 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-10-19 14:23:57,570 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-10-19 14:23:57,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:23:57,570 INFO L82 PathProgramCache]: Analyzing trace with hash 2093691205, now seen corresponding path program 2 times [2021-10-19 14:23:57,570 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:23:57,570 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805397021] [2021-10-19 14:23:57,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:23:57,570 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:23:57,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:23:57,696 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:23:57,697 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:23:57,697 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [805397021] [2021-10-19 14:23:57,697 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [805397021] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:23:57,697 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:23:57,697 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-19 14:23:57,697 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964871969] [2021-10-19 14:23:57,697 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-19 14:23:57,697 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:23:57,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-19 14:23:57,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2021-10-19 14:23:57,698 INFO L87 Difference]: Start difference. First operand 1756 states and 3417 transitions. Second operand has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:23:58,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:23:58,158 INFO L93 Difference]: Finished difference Result 3793 states and 7271 transitions. [2021-10-19 14:23:58,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-19 14:23:58,159 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2021-10-19 14:23:58,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:23:58,165 INFO L225 Difference]: With dead ends: 3793 [2021-10-19 14:23:58,165 INFO L226 Difference]: Without dead ends: 3793 [2021-10-19 14:23:58,166 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 127.8ms TimeCoverageRelationStatistics Valid=179, Invalid=421, Unknown=0, NotChecked=0, Total=600 [2021-10-19 14:23:58,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3793 states. [2021-10-19 14:23:58,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3793 to 1800. [2021-10-19 14:23:58,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1800 states, 1790 states have (on average 1.958100558659218) internal successors, (3505), 1799 states have internal predecessors, (3505), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:23:58,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1800 states to 1800 states and 3505 transitions. [2021-10-19 14:23:58,255 INFO L78 Accepts]: Start accepts. Automaton has 1800 states and 3505 transitions. Word has length 56 [2021-10-19 14:23:58,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:23:58,255 INFO L470 AbstractCegarLoop]: Abstraction has 1800 states and 3505 transitions. [2021-10-19 14:23:58,255 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:23:58,255 INFO L276 IsEmpty]: Start isEmpty. Operand 1800 states and 3505 transitions. [2021-10-19 14:23:58,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-19 14:23:58,261 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:23:58,261 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:23:58,261 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-10-19 14:23:58,261 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-10-19 14:23:58,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:23:58,262 INFO L82 PathProgramCache]: Analyzing trace with hash -1003829503, now seen corresponding path program 6 times [2021-10-19 14:23:58,262 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:23:58,262 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1542806539] [2021-10-19 14:23:58,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:23:58,262 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:23:58,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:23:58,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:23:58,545 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:23:58,545 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1542806539] [2021-10-19 14:23:58,545 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1542806539] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:23:58,545 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:23:58,545 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-19 14:23:58,545 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [734333614] [2021-10-19 14:23:58,546 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-19 14:23:58,546 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:23:58,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-19 14:23:58,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2021-10-19 14:23:58,546 INFO L87 Difference]: Start difference. First operand 1800 states and 3505 transitions. Second operand has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:23:59,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:23:59,295 INFO L93 Difference]: Finished difference Result 3769 states and 7228 transitions. [2021-10-19 14:23:59,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-19 14:23:59,296 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2021-10-19 14:23:59,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:23:59,302 INFO L225 Difference]: With dead ends: 3769 [2021-10-19 14:23:59,302 INFO L226 Difference]: Without dead ends: 3765 [2021-10-19 14:23:59,303 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 1 SyntacticMatches, 4 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 314.1ms TimeCoverageRelationStatistics Valid=189, Invalid=461, Unknown=0, NotChecked=0, Total=650 [2021-10-19 14:23:59,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3765 states. [2021-10-19 14:23:59,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3765 to 1793. [2021-10-19 14:23:59,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1793 states, 1783 states have (on average 1.9545709478407178) internal successors, (3485), 1792 states have internal predecessors, (3485), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:23:59,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1793 states to 1793 states and 3485 transitions. [2021-10-19 14:23:59,333 INFO L78 Accepts]: Start accepts. Automaton has 1793 states and 3485 transitions. Word has length 56 [2021-10-19 14:23:59,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:23:59,333 INFO L470 AbstractCegarLoop]: Abstraction has 1793 states and 3485 transitions. [2021-10-19 14:23:59,334 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:23:59,334 INFO L276 IsEmpty]: Start isEmpty. Operand 1793 states and 3485 transitions. [2021-10-19 14:23:59,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-19 14:23:59,335 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:23:59,335 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:23:59,335 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-10-19 14:23:59,336 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-10-19 14:23:59,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:23:59,337 INFO L82 PathProgramCache]: Analyzing trace with hash 553568367, now seen corresponding path program 2 times [2021-10-19 14:23:59,337 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:23:59,337 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [645945245] [2021-10-19 14:23:59,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:23:59,338 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:23:59,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:23:59,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:23:59,454 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:23:59,455 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [645945245] [2021-10-19 14:23:59,455 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [645945245] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:23:59,455 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:23:59,455 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-19 14:23:59,455 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101489785] [2021-10-19 14:23:59,455 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-19 14:23:59,455 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:23:59,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-19 14:23:59,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2021-10-19 14:23:59,456 INFO L87 Difference]: Start difference. First operand 1793 states and 3485 transitions. Second operand has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:00,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:24:00,279 INFO L93 Difference]: Finished difference Result 3741 states and 7177 transitions. [2021-10-19 14:24:00,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-10-19 14:24:00,280 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2021-10-19 14:24:00,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:24:00,285 INFO L225 Difference]: With dead ends: 3741 [2021-10-19 14:24:00,286 INFO L226 Difference]: Without dead ends: 3741 [2021-10-19 14:24:00,286 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 130 ImplicationChecksByTransitivity, 322.9ms TimeCoverageRelationStatistics Valid=359, Invalid=763, Unknown=0, NotChecked=0, Total=1122 [2021-10-19 14:24:00,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3741 states. [2021-10-19 14:24:00,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3741 to 1560. [2021-10-19 14:24:00,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1560 states, 1550 states have (on average 1.947741935483871) internal successors, (3019), 1559 states have internal predecessors, (3019), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:00,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1560 states to 1560 states and 3019 transitions. [2021-10-19 14:24:00,313 INFO L78 Accepts]: Start accepts. Automaton has 1560 states and 3019 transitions. Word has length 56 [2021-10-19 14:24:00,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:24:00,314 INFO L470 AbstractCegarLoop]: Abstraction has 1560 states and 3019 transitions. [2021-10-19 14:24:00,314 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:00,314 INFO L276 IsEmpty]: Start isEmpty. Operand 1560 states and 3019 transitions. [2021-10-19 14:24:00,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-19 14:24:00,315 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:24:00,315 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:24:00,315 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-10-19 14:24:00,315 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-10-19 14:24:00,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:24:00,316 INFO L82 PathProgramCache]: Analyzing trace with hash -1513002063, now seen corresponding path program 3 times [2021-10-19 14:24:00,316 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:24:00,316 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1980832307] [2021-10-19 14:24:00,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:24:00,316 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:24:00,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:24:00,476 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:24:00,477 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:24:00,477 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1980832307] [2021-10-19 14:24:00,477 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1980832307] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:24:00,477 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:24:00,477 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-19 14:24:00,477 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2060455359] [2021-10-19 14:24:00,477 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-19 14:24:00,477 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:24:00,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-19 14:24:00,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2021-10-19 14:24:00,478 INFO L87 Difference]: Start difference. First operand 1560 states and 3019 transitions. Second operand has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:01,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:24:01,052 INFO L93 Difference]: Finished difference Result 3196 states and 6134 transitions. [2021-10-19 14:24:01,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-19 14:24:01,053 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2021-10-19 14:24:01,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:24:01,058 INFO L225 Difference]: With dead ends: 3196 [2021-10-19 14:24:01,058 INFO L226 Difference]: Without dead ends: 3196 [2021-10-19 14:24:01,058 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 1 SyntacticMatches, 4 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 242.3ms TimeCoverageRelationStatistics Valid=178, Invalid=422, Unknown=0, NotChecked=0, Total=600 [2021-10-19 14:24:01,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3196 states. [2021-10-19 14:24:01,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3196 to 1545. [2021-10-19 14:24:01,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1545 states, 1535 states have (on average 1.9472312703583061) internal successors, (2989), 1544 states have internal predecessors, (2989), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:01,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1545 states to 1545 states and 2989 transitions. [2021-10-19 14:24:01,084 INFO L78 Accepts]: Start accepts. Automaton has 1545 states and 2989 transitions. Word has length 56 [2021-10-19 14:24:01,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:24:01,084 INFO L470 AbstractCegarLoop]: Abstraction has 1545 states and 2989 transitions. [2021-10-19 14:24:01,084 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:01,084 INFO L276 IsEmpty]: Start isEmpty. Operand 1545 states and 2989 transitions. [2021-10-19 14:24:01,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-19 14:24:01,086 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:24:01,086 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:24:01,086 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-10-19 14:24:01,086 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-10-19 14:24:01,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:24:01,086 INFO L82 PathProgramCache]: Analyzing trace with hash 1556601641, now seen corresponding path program 4 times [2021-10-19 14:24:01,086 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:24:01,086 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2102177821] [2021-10-19 14:24:01,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:24:01,087 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:24:01,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:24:01,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:24:01,300 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:24:01,300 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2102177821] [2021-10-19 14:24:01,300 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2102177821] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:24:01,300 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:24:01,300 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-19 14:24:01,301 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [595655964] [2021-10-19 14:24:01,301 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-19 14:24:01,301 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:24:01,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-19 14:24:01,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2021-10-19 14:24:01,302 INFO L87 Difference]: Start difference. First operand 1545 states and 2989 transitions. Second operand has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:01,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:24:01,809 INFO L93 Difference]: Finished difference Result 3133 states and 6011 transitions. [2021-10-19 14:24:01,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-10-19 14:24:01,810 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2021-10-19 14:24:01,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:24:01,825 INFO L225 Difference]: With dead ends: 3133 [2021-10-19 14:24:01,825 INFO L226 Difference]: Without dead ends: 3133 [2021-10-19 14:24:01,826 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 4 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 250.8ms TimeCoverageRelationStatistics Valid=168, Invalid=384, Unknown=0, NotChecked=0, Total=552 [2021-10-19 14:24:01,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3133 states. [2021-10-19 14:24:01,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3133 to 1545. [2021-10-19 14:24:01,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1545 states, 1535 states have (on average 1.9472312703583061) internal successors, (2989), 1544 states have internal predecessors, (2989), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:01,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1545 states to 1545 states and 2989 transitions. [2021-10-19 14:24:01,880 INFO L78 Accepts]: Start accepts. Automaton has 1545 states and 2989 transitions. Word has length 56 [2021-10-19 14:24:01,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:24:01,880 INFO L470 AbstractCegarLoop]: Abstraction has 1545 states and 2989 transitions. [2021-10-19 14:24:01,880 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:01,880 INFO L276 IsEmpty]: Start isEmpty. Operand 1545 states and 2989 transitions. [2021-10-19 14:24:01,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-19 14:24:01,881 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:24:01,881 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:24:01,881 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-10-19 14:24:01,881 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-10-19 14:24:01,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:24:01,882 INFO L82 PathProgramCache]: Analyzing trace with hash -1149566457, now seen corresponding path program 5 times [2021-10-19 14:24:01,882 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:24:01,882 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [83956138] [2021-10-19 14:24:01,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:24:01,882 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:24:01,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:24:02,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:24:02,122 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:24:02,122 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [83956138] [2021-10-19 14:24:02,123 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [83956138] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:24:02,123 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:24:02,123 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-19 14:24:02,123 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31497294] [2021-10-19 14:24:02,123 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-19 14:24:02,123 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:24:02,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-19 14:24:02,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2021-10-19 14:24:02,124 INFO L87 Difference]: Start difference. First operand 1545 states and 2989 transitions. Second operand has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:02,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:24:02,796 INFO L93 Difference]: Finished difference Result 3175 states and 6093 transitions. [2021-10-19 14:24:02,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-19 14:24:02,797 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2021-10-19 14:24:02,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:24:02,801 INFO L225 Difference]: With dead ends: 3175 [2021-10-19 14:24:02,801 INFO L226 Difference]: Without dead ends: 3175 [2021-10-19 14:24:02,801 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 1 SyntacticMatches, 4 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 271.3ms TimeCoverageRelationStatistics Valid=182, Invalid=418, Unknown=0, NotChecked=0, Total=600 [2021-10-19 14:24:02,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3175 states. [2021-10-19 14:24:02,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3175 to 1545. [2021-10-19 14:24:02,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1545 states, 1535 states have (on average 1.9472312703583061) internal successors, (2989), 1544 states have internal predecessors, (2989), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:02,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1545 states to 1545 states and 2989 transitions. [2021-10-19 14:24:02,826 INFO L78 Accepts]: Start accepts. Automaton has 1545 states and 2989 transitions. Word has length 56 [2021-10-19 14:24:02,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:24:02,826 INFO L470 AbstractCegarLoop]: Abstraction has 1545 states and 2989 transitions. [2021-10-19 14:24:02,826 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:02,826 INFO L276 IsEmpty]: Start isEmpty. Operand 1545 states and 2989 transitions. [2021-10-19 14:24:02,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-19 14:24:02,827 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:24:02,828 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:24:02,828 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-10-19 14:24:02,828 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-10-19 14:24:02,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:24:02,828 INFO L82 PathProgramCache]: Analyzing trace with hash 848617321, now seen corresponding path program 6 times [2021-10-19 14:24:02,828 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:24:02,828 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [191211411] [2021-10-19 14:24:02,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:24:02,829 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:24:02,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:24:03,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:24:03,046 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:24:03,046 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [191211411] [2021-10-19 14:24:03,046 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [191211411] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:24:03,046 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:24:03,046 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-19 14:24:03,046 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784603592] [2021-10-19 14:24:03,046 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-19 14:24:03,046 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:24:03,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-19 14:24:03,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2021-10-19 14:24:03,047 INFO L87 Difference]: Start difference. First operand 1545 states and 2989 transitions. Second operand has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:03,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:24:03,734 INFO L93 Difference]: Finished difference Result 3144 states and 6033 transitions. [2021-10-19 14:24:03,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-19 14:24:03,734 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2021-10-19 14:24:03,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:24:03,738 INFO L225 Difference]: With dead ends: 3144 [2021-10-19 14:24:03,738 INFO L226 Difference]: Without dead ends: 3144 [2021-10-19 14:24:03,738 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 1 SyntacticMatches, 4 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 276.2ms TimeCoverageRelationStatistics Valid=179, Invalid=421, Unknown=0, NotChecked=0, Total=600 [2021-10-19 14:24:03,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3144 states. [2021-10-19 14:24:03,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3144 to 1500. [2021-10-19 14:24:03,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1500 states, 1490 states have (on average 1.9429530201342282) internal successors, (2895), 1499 states have internal predecessors, (2895), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:03,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1500 states to 1500 states and 2895 transitions. [2021-10-19 14:24:03,760 INFO L78 Accepts]: Start accepts. Automaton has 1500 states and 2895 transitions. Word has length 56 [2021-10-19 14:24:03,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:24:03,760 INFO L470 AbstractCegarLoop]: Abstraction has 1500 states and 2895 transitions. [2021-10-19 14:24:03,760 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:03,760 INFO L276 IsEmpty]: Start isEmpty. Operand 1500 states and 2895 transitions. [2021-10-19 14:24:03,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-19 14:24:03,762 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:24:03,762 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:24:03,762 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-10-19 14:24:03,762 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-10-19 14:24:03,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:24:03,764 INFO L82 PathProgramCache]: Analyzing trace with hash 885314465, now seen corresponding path program 4 times [2021-10-19 14:24:03,764 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:24:03,764 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1435932809] [2021-10-19 14:24:03,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:24:03,764 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:24:03,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:24:03,908 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:24:03,908 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:24:03,908 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1435932809] [2021-10-19 14:24:03,908 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1435932809] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:24:03,908 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:24:03,908 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-19 14:24:03,908 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1914529765] [2021-10-19 14:24:03,909 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-19 14:24:03,909 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:24:03,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-19 14:24:03,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2021-10-19 14:24:03,910 INFO L87 Difference]: Start difference. First operand 1500 states and 2895 transitions. Second operand has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:04,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:24:04,742 INFO L93 Difference]: Finished difference Result 2550 states and 4920 transitions. [2021-10-19 14:24:04,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-10-19 14:24:04,743 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2021-10-19 14:24:04,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:24:04,746 INFO L225 Difference]: With dead ends: 2550 [2021-10-19 14:24:04,746 INFO L226 Difference]: Without dead ends: 2550 [2021-10-19 14:24:04,746 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 122 ImplicationChecksByTransitivity, 280.8ms TimeCoverageRelationStatistics Valid=335, Invalid=787, Unknown=0, NotChecked=0, Total=1122 [2021-10-19 14:24:04,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2550 states. [2021-10-19 14:24:04,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2550 to 1801. [2021-10-19 14:24:04,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1801 states, 1791 states have (on average 1.9581239530988275) internal successors, (3507), 1800 states have internal predecessors, (3507), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:04,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1801 states to 1801 states and 3507 transitions. [2021-10-19 14:24:04,788 INFO L78 Accepts]: Start accepts. Automaton has 1801 states and 3507 transitions. Word has length 56 [2021-10-19 14:24:04,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:24:04,788 INFO L470 AbstractCegarLoop]: Abstraction has 1801 states and 3507 transitions. [2021-10-19 14:24:04,788 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:04,788 INFO L276 IsEmpty]: Start isEmpty. Operand 1801 states and 3507 transitions. [2021-10-19 14:24:04,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-19 14:24:04,789 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:24:04,790 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:24:04,790 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-10-19 14:24:04,790 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-10-19 14:24:04,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:24:04,790 INFO L82 PathProgramCache]: Analyzing trace with hash 898000521, now seen corresponding path program 7 times [2021-10-19 14:24:04,790 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:24:04,790 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1556496780] [2021-10-19 14:24:04,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:24:04,790 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:24:04,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:24:04,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:24:04,954 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:24:04,954 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1556496780] [2021-10-19 14:24:04,954 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1556496780] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:24:04,954 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:24:04,954 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-19 14:24:04,954 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [883294771] [2021-10-19 14:24:04,955 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-19 14:24:04,955 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:24:04,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-19 14:24:04,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2021-10-19 14:24:04,955 INFO L87 Difference]: Start difference. First operand 1801 states and 3507 transitions. Second operand has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:05,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:24:05,268 INFO L93 Difference]: Finished difference Result 2486 states and 4789 transitions. [2021-10-19 14:24:05,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-10-19 14:24:05,268 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2021-10-19 14:24:05,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:24:05,271 INFO L225 Difference]: With dead ends: 2486 [2021-10-19 14:24:05,271 INFO L226 Difference]: Without dead ends: 2486 [2021-10-19 14:24:05,271 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 123.9ms TimeCoverageRelationStatistics Valid=168, Invalid=384, Unknown=0, NotChecked=0, Total=552 [2021-10-19 14:24:05,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2486 states. [2021-10-19 14:24:05,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2486 to 1845. [2021-10-19 14:24:05,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1845 states, 1835 states have (on average 1.9591280653950953) internal successors, (3595), 1844 states have internal predecessors, (3595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:05,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1845 states to 1845 states and 3595 transitions. [2021-10-19 14:24:05,295 INFO L78 Accepts]: Start accepts. Automaton has 1845 states and 3595 transitions. Word has length 56 [2021-10-19 14:24:05,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:24:05,295 INFO L470 AbstractCegarLoop]: Abstraction has 1845 states and 3595 transitions. [2021-10-19 14:24:05,295 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:05,295 INFO L276 IsEmpty]: Start isEmpty. Operand 1845 states and 3595 transitions. [2021-10-19 14:24:05,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-19 14:24:05,297 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:24:05,297 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:24:05,297 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-10-19 14:24:05,297 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-10-19 14:24:05,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:24:05,297 INFO L82 PathProgramCache]: Analyzing trace with hash 2095447109, now seen corresponding path program 7 times [2021-10-19 14:24:05,297 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:24:05,297 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [167086985] [2021-10-19 14:24:05,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:24:05,298 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:24:05,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:24:05,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:24:05,465 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:24:05,465 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [167086985] [2021-10-19 14:24:05,465 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [167086985] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:24:05,465 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:24:05,465 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-19 14:24:05,465 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [888348138] [2021-10-19 14:24:05,466 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-19 14:24:05,466 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:24:05,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-19 14:24:05,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2021-10-19 14:24:05,466 INFO L87 Difference]: Start difference. First operand 1845 states and 3595 transitions. Second operand has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:05,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:24:05,934 INFO L93 Difference]: Finished difference Result 2438 states and 4698 transitions. [2021-10-19 14:24:05,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-19 14:24:05,934 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2021-10-19 14:24:05,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:24:05,937 INFO L225 Difference]: With dead ends: 2438 [2021-10-19 14:24:05,937 INFO L226 Difference]: Without dead ends: 2434 [2021-10-19 14:24:05,937 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 1 SyntacticMatches, 4 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 177.4ms TimeCoverageRelationStatistics Valid=173, Invalid=427, Unknown=0, NotChecked=0, Total=600 [2021-10-19 14:24:05,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2434 states. [2021-10-19 14:24:05,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2434 to 1838. [2021-10-19 14:24:05,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1838 states, 1828 states have (on average 1.9556892778993435) internal successors, (3575), 1837 states have internal predecessors, (3575), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:05,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1838 states to 1838 states and 3575 transitions. [2021-10-19 14:24:05,975 INFO L78 Accepts]: Start accepts. Automaton has 1838 states and 3575 transitions. Word has length 56 [2021-10-19 14:24:05,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:24:05,975 INFO L470 AbstractCegarLoop]: Abstraction has 1838 states and 3575 transitions. [2021-10-19 14:24:05,975 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:05,975 INFO L276 IsEmpty]: Start isEmpty. Operand 1838 states and 3575 transitions. [2021-10-19 14:24:05,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-19 14:24:05,977 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:24:05,977 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:24:05,977 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-10-19 14:24:05,977 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-10-19 14:24:05,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:24:05,991 INFO L82 PathProgramCache]: Analyzing trace with hash -642122317, now seen corresponding path program 3 times [2021-10-19 14:24:05,991 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:24:05,992 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1791692031] [2021-10-19 14:24:05,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:24:05,992 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:24:06,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:24:06,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:24:06,094 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:24:06,094 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1791692031] [2021-10-19 14:24:06,094 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1791692031] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:24:06,094 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:24:06,094 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-19 14:24:06,094 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850080342] [2021-10-19 14:24:06,095 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-19 14:24:06,095 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:24:06,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-19 14:24:06,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2021-10-19 14:24:06,095 INFO L87 Difference]: Start difference. First operand 1838 states and 3575 transitions. Second operand has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:06,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:24:06,974 INFO L93 Difference]: Finished difference Result 2410 states and 4645 transitions. [2021-10-19 14:24:06,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-10-19 14:24:06,974 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2021-10-19 14:24:06,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:24:06,977 INFO L225 Difference]: With dead ends: 2410 [2021-10-19 14:24:06,978 INFO L226 Difference]: Without dead ends: 2410 [2021-10-19 14:24:06,978 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 400.5ms TimeCoverageRelationStatistics Valid=285, Invalid=585, Unknown=0, NotChecked=0, Total=870 [2021-10-19 14:24:06,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2410 states. [2021-10-19 14:24:06,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2410 to 1584. [2021-10-19 14:24:06,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1584 states, 1574 states have (on average 1.9485387547649302) internal successors, (3067), 1583 states have internal predecessors, (3067), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:07,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1584 states to 1584 states and 3067 transitions. [2021-10-19 14:24:07,001 INFO L78 Accepts]: Start accepts. Automaton has 1584 states and 3067 transitions. Word has length 56 [2021-10-19 14:24:07,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:24:07,001 INFO L470 AbstractCegarLoop]: Abstraction has 1584 states and 3067 transitions. [2021-10-19 14:24:07,002 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:07,002 INFO L276 IsEmpty]: Start isEmpty. Operand 1584 states and 3067 transitions. [2021-10-19 14:24:07,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-19 14:24:07,005 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:24:07,005 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:24:07,005 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-10-19 14:24:07,005 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-10-19 14:24:07,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:24:07,005 INFO L82 PathProgramCache]: Analyzing trace with hash 1586274549, now seen corresponding path program 8 times [2021-10-19 14:24:07,006 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:24:07,006 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785393996] [2021-10-19 14:24:07,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:24:07,006 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:24:07,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:24:07,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:24:07,197 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:24:07,197 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1785393996] [2021-10-19 14:24:07,197 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1785393996] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:24:07,197 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:24:07,197 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-19 14:24:07,198 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1817681886] [2021-10-19 14:24:07,198 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-19 14:24:07,198 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:24:07,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-19 14:24:07,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2021-10-19 14:24:07,198 INFO L87 Difference]: Start difference. First operand 1584 states and 3067 transitions. Second operand has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:07,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:24:07,681 INFO L93 Difference]: Finished difference Result 2580 states and 4974 transitions. [2021-10-19 14:24:07,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-10-19 14:24:07,681 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2021-10-19 14:24:07,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:24:07,684 INFO L225 Difference]: With dead ends: 2580 [2021-10-19 14:24:07,684 INFO L226 Difference]: Without dead ends: 2580 [2021-10-19 14:24:07,684 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 4 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 262.0ms TimeCoverageRelationStatistics Valid=167, Invalid=385, Unknown=0, NotChecked=0, Total=552 [2021-10-19 14:24:07,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2580 states. [2021-10-19 14:24:07,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2580 to 1587. [2021-10-19 14:24:07,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1587 states, 1577 states have (on average 1.9486366518706404) internal successors, (3073), 1586 states have internal predecessors, (3073), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:07,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1587 states to 1587 states and 3073 transitions. [2021-10-19 14:24:07,701 INFO L78 Accepts]: Start accepts. Automaton has 1587 states and 3073 transitions. Word has length 56 [2021-10-19 14:24:07,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:24:07,701 INFO L470 AbstractCegarLoop]: Abstraction has 1587 states and 3073 transitions. [2021-10-19 14:24:07,701 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:07,701 INFO L276 IsEmpty]: Start isEmpty. Operand 1587 states and 3073 transitions. [2021-10-19 14:24:07,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-19 14:24:07,703 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:24:07,703 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:24:07,703 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-10-19 14:24:07,703 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-10-19 14:24:07,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:24:07,703 INFO L82 PathProgramCache]: Analyzing trace with hash 360910957, now seen corresponding path program 9 times [2021-10-19 14:24:07,703 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:24:07,704 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1524686963] [2021-10-19 14:24:07,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:24:07,704 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:24:07,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:24:07,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:24:07,935 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:24:07,935 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1524686963] [2021-10-19 14:24:07,935 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1524686963] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:24:07,935 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:24:07,936 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-19 14:24:07,936 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [407576683] [2021-10-19 14:24:07,936 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-19 14:24:07,936 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:24:07,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-19 14:24:07,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2021-10-19 14:24:07,937 INFO L87 Difference]: Start difference. First operand 1587 states and 3073 transitions. Second operand has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:08,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:24:08,796 INFO L93 Difference]: Finished difference Result 2477 states and 4775 transitions. [2021-10-19 14:24:08,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-19 14:24:08,796 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2021-10-19 14:24:08,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:24:08,799 INFO L225 Difference]: With dead ends: 2477 [2021-10-19 14:24:08,800 INFO L226 Difference]: Without dead ends: 2477 [2021-10-19 14:24:08,800 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 1 SyntacticMatches, 4 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 404.8ms TimeCoverageRelationStatistics Valid=157, Invalid=349, Unknown=0, NotChecked=0, Total=506 [2021-10-19 14:24:08,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2477 states. [2021-10-19 14:24:08,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2477 to 1593. [2021-10-19 14:24:08,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1593 states, 1583 states have (on average 1.948831332912192) internal successors, (3085), 1592 states have internal predecessors, (3085), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:08,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1593 states to 1593 states and 3085 transitions. [2021-10-19 14:24:08,822 INFO L78 Accepts]: Start accepts. Automaton has 1593 states and 3085 transitions. Word has length 56 [2021-10-19 14:24:08,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:24:08,823 INFO L470 AbstractCegarLoop]: Abstraction has 1593 states and 3085 transitions. [2021-10-19 14:24:08,823 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:08,823 INFO L276 IsEmpty]: Start isEmpty. Operand 1593 states and 3085 transitions. [2021-10-19 14:24:08,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-19 14:24:08,824 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:24:08,825 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:24:08,825 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-10-19 14:24:08,825 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-10-19 14:24:08,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:24:08,825 INFO L82 PathProgramCache]: Analyzing trace with hash 1949710155, now seen corresponding path program 10 times [2021-10-19 14:24:08,825 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:24:08,825 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142233350] [2021-10-19 14:24:08,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:24:08,826 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:24:08,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:24:09,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:24:09,131 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:24:09,132 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [142233350] [2021-10-19 14:24:09,132 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [142233350] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:24:09,132 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:24:09,132 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-19 14:24:09,132 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [29758755] [2021-10-19 14:24:09,132 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-19 14:24:09,132 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:24:09,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-19 14:24:09,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2021-10-19 14:24:09,133 INFO L87 Difference]: Start difference. First operand 1593 states and 3085 transitions. Second operand has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:09,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:24:09,731 INFO L93 Difference]: Finished difference Result 2519 states and 4857 transitions. [2021-10-19 14:24:09,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-10-19 14:24:09,732 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2021-10-19 14:24:09,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:24:09,734 INFO L225 Difference]: With dead ends: 2519 [2021-10-19 14:24:09,734 INFO L226 Difference]: Without dead ends: 2519 [2021-10-19 14:24:09,735 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 4 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 324.8ms TimeCoverageRelationStatistics Valid=171, Invalid=381, Unknown=0, NotChecked=0, Total=552 [2021-10-19 14:24:09,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2519 states. [2021-10-19 14:24:09,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2519 to 1590. [2021-10-19 14:24:09,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1590 states, 1580 states have (on average 1.9487341772151898) internal successors, (3079), 1589 states have internal predecessors, (3079), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:09,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1590 states to 1590 states and 3079 transitions. [2021-10-19 14:24:09,752 INFO L78 Accepts]: Start accepts. Automaton has 1590 states and 3079 transitions. Word has length 56 [2021-10-19 14:24:09,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:24:09,752 INFO L470 AbstractCegarLoop]: Abstraction has 1590 states and 3079 transitions. [2021-10-19 14:24:09,753 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:09,753 INFO L276 IsEmpty]: Start isEmpty. Operand 1590 states and 3079 transitions. [2021-10-19 14:24:09,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-19 14:24:09,754 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:24:09,754 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:24:09,754 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-10-19 14:24:09,754 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-10-19 14:24:09,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:24:09,755 INFO L82 PathProgramCache]: Analyzing trace with hash -347073363, now seen corresponding path program 11 times [2021-10-19 14:24:09,755 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:24:09,755 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [15759898] [2021-10-19 14:24:09,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:24:09,755 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:24:09,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:24:09,953 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:24:09,953 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:24:09,953 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [15759898] [2021-10-19 14:24:09,954 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [15759898] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:24:09,954 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:24:09,954 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-19 14:24:09,954 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [163384312] [2021-10-19 14:24:09,954 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-19 14:24:09,954 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:24:09,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-19 14:24:09,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2021-10-19 14:24:09,955 INFO L87 Difference]: Start difference. First operand 1590 states and 3079 transitions. Second operand has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:10,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:24:10,615 INFO L93 Difference]: Finished difference Result 2528 states and 4873 transitions. [2021-10-19 14:24:10,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-10-19 14:24:10,624 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2021-10-19 14:24:10,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:24:10,627 INFO L225 Difference]: With dead ends: 2528 [2021-10-19 14:24:10,627 INFO L226 Difference]: Without dead ends: 2528 [2021-10-19 14:24:10,628 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 4 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 263.5ms TimeCoverageRelationStatistics Valid=168, Invalid=384, Unknown=0, NotChecked=0, Total=552 [2021-10-19 14:24:10,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2528 states. [2021-10-19 14:24:10,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2528 to 1572. [2021-10-19 14:24:10,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1572 states, 1562 states have (on average 1.9481434058898848) internal successors, (3043), 1571 states have internal predecessors, (3043), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:10,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1572 states to 1572 states and 3043 transitions. [2021-10-19 14:24:10,649 INFO L78 Accepts]: Start accepts. Automaton has 1572 states and 3043 transitions. Word has length 56 [2021-10-19 14:24:10,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:24:10,649 INFO L470 AbstractCegarLoop]: Abstraction has 1572 states and 3043 transitions. [2021-10-19 14:24:10,649 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:10,649 INFO L276 IsEmpty]: Start isEmpty. Operand 1572 states and 3043 transitions. [2021-10-19 14:24:10,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-19 14:24:10,650 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:24:10,650 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:24:10,650 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-10-19 14:24:10,651 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-10-19 14:24:10,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:24:10,667 INFO L82 PathProgramCache]: Analyzing trace with hash 946914313, now seen corresponding path program 12 times [2021-10-19 14:24:10,667 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:24:10,667 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [207029964] [2021-10-19 14:24:10,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:24:10,667 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:24:10,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:24:11,026 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:24:11,027 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:24:11,027 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [207029964] [2021-10-19 14:24:11,027 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [207029964] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:24:11,027 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:24:11,027 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-19 14:24:11,027 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [119915999] [2021-10-19 14:24:11,027 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-19 14:24:11,027 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:24:11,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-19 14:24:11,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2021-10-19 14:24:11,028 INFO L87 Difference]: Start difference. First operand 1572 states and 3043 transitions. Second operand has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:11,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:24:11,496 INFO L93 Difference]: Finished difference Result 1762 states and 3412 transitions. [2021-10-19 14:24:11,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-19 14:24:11,497 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2021-10-19 14:24:11,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:24:11,499 INFO L225 Difference]: With dead ends: 1762 [2021-10-19 14:24:11,499 INFO L226 Difference]: Without dead ends: 1762 [2021-10-19 14:24:11,499 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 4 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 301.3ms TimeCoverageRelationStatistics Valid=147, Invalid=315, Unknown=0, NotChecked=0, Total=462 [2021-10-19 14:24:11,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1762 states. [2021-10-19 14:24:11,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1762 to 1572. [2021-10-19 14:24:11,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1572 states, 1562 states have (on average 1.9481434058898848) internal successors, (3043), 1571 states have internal predecessors, (3043), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:11,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1572 states to 1572 states and 3043 transitions. [2021-10-19 14:24:11,516 INFO L78 Accepts]: Start accepts. Automaton has 1572 states and 3043 transitions. Word has length 56 [2021-10-19 14:24:11,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:24:11,517 INFO L470 AbstractCegarLoop]: Abstraction has 1572 states and 3043 transitions. [2021-10-19 14:24:11,517 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:11,517 INFO L276 IsEmpty]: Start isEmpty. Operand 1572 states and 3043 transitions. [2021-10-19 14:24:11,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-19 14:24:11,518 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:24:11,518 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:24:11,518 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-10-19 14:24:11,518 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-10-19 14:24:11,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:24:11,519 INFO L82 PathProgramCache]: Analyzing trace with hash -1408443289, now seen corresponding path program 13 times [2021-10-19 14:24:11,519 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:24:11,519 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [808955536] [2021-10-19 14:24:11,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:24:11,519 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:24:11,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:24:11,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:24:11,749 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:24:11,749 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [808955536] [2021-10-19 14:24:11,749 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [808955536] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:24:11,749 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:24:11,749 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-19 14:24:11,750 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232664307] [2021-10-19 14:24:11,750 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-19 14:24:11,750 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:24:11,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-19 14:24:11,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2021-10-19 14:24:11,750 INFO L87 Difference]: Start difference. First operand 1572 states and 3043 transitions. Second operand has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:12,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:24:12,323 INFO L93 Difference]: Finished difference Result 1844 states and 3575 transitions. [2021-10-19 14:24:12,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-19 14:24:12,324 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2021-10-19 14:24:12,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:24:12,326 INFO L225 Difference]: With dead ends: 1844 [2021-10-19 14:24:12,326 INFO L226 Difference]: Without dead ends: 1844 [2021-10-19 14:24:12,326 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 1 SyntacticMatches, 4 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 278.0ms TimeCoverageRelationStatistics Valid=160, Invalid=346, Unknown=0, NotChecked=0, Total=506 [2021-10-19 14:24:12,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1844 states. [2021-10-19 14:24:12,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1844 to 1575. [2021-10-19 14:24:12,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1575 states, 1565 states have (on average 1.9482428115015975) internal successors, (3049), 1574 states have internal predecessors, (3049), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:12,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1575 states to 1575 states and 3049 transitions. [2021-10-19 14:24:12,340 INFO L78 Accepts]: Start accepts. Automaton has 1575 states and 3049 transitions. Word has length 56 [2021-10-19 14:24:12,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:24:12,341 INFO L470 AbstractCegarLoop]: Abstraction has 1575 states and 3049 transitions. [2021-10-19 14:24:12,341 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:12,341 INFO L276 IsEmpty]: Start isEmpty. Operand 1575 states and 3049 transitions. [2021-10-19 14:24:12,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-19 14:24:12,342 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:24:12,342 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:24:12,342 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-10-19 14:24:12,342 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-10-19 14:24:12,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:24:12,343 INFO L82 PathProgramCache]: Analyzing trace with hash 180355909, now seen corresponding path program 14 times [2021-10-19 14:24:12,343 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:24:12,343 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [261716180] [2021-10-19 14:24:12,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:24:12,343 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:24:12,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:24:12,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:24:12,592 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:24:12,592 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [261716180] [2021-10-19 14:24:12,593 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [261716180] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:24:12,593 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:24:12,593 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-19 14:24:12,593 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1972108356] [2021-10-19 14:24:12,594 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-19 14:24:12,594 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:24:12,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-19 14:24:12,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2021-10-19 14:24:12,595 INFO L87 Difference]: Start difference. First operand 1575 states and 3049 transitions. Second operand has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:13,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:24:13,175 INFO L93 Difference]: Finished difference Result 1807 states and 3500 transitions. [2021-10-19 14:24:13,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-10-19 14:24:13,175 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2021-10-19 14:24:13,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:24:13,177 INFO L225 Difference]: With dead ends: 1807 [2021-10-19 14:24:13,177 INFO L226 Difference]: Without dead ends: 1807 [2021-10-19 14:24:13,178 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 4 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 322.2ms TimeCoverageRelationStatistics Valid=177, Invalid=375, Unknown=0, NotChecked=0, Total=552 [2021-10-19 14:24:13,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1807 states. [2021-10-19 14:24:13,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1807 to 1572. [2021-10-19 14:24:13,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1572 states, 1562 states have (on average 1.9481434058898848) internal successors, (3043), 1571 states have internal predecessors, (3043), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:13,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1572 states to 1572 states and 3043 transitions. [2021-10-19 14:24:13,219 INFO L78 Accepts]: Start accepts. Automaton has 1572 states and 3043 transitions. Word has length 56 [2021-10-19 14:24:13,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:24:13,219 INFO L470 AbstractCegarLoop]: Abstraction has 1572 states and 3043 transitions. [2021-10-19 14:24:13,219 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:13,220 INFO L276 IsEmpty]: Start isEmpty. Operand 1572 states and 3043 transitions. [2021-10-19 14:24:13,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-19 14:24:13,221 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:24:13,221 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:24:13,221 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2021-10-19 14:24:13,221 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-10-19 14:24:13,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:24:13,222 INFO L82 PathProgramCache]: Analyzing trace with hash 1502725961, now seen corresponding path program 15 times [2021-10-19 14:24:13,222 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:24:13,222 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1250971453] [2021-10-19 14:24:13,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:24:13,222 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:24:13,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:24:13,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:24:13,535 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:24:13,535 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1250971453] [2021-10-19 14:24:13,535 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1250971453] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:24:13,535 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:24:13,535 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-19 14:24:13,535 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1606507917] [2021-10-19 14:24:13,535 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-19 14:24:13,535 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:24:13,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-19 14:24:13,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2021-10-19 14:24:13,536 INFO L87 Difference]: Start difference. First operand 1572 states and 3043 transitions. Second operand has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:14,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:24:14,044 INFO L93 Difference]: Finished difference Result 1862 states and 3612 transitions. [2021-10-19 14:24:14,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-19 14:24:14,044 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2021-10-19 14:24:14,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:24:14,046 INFO L225 Difference]: With dead ends: 1862 [2021-10-19 14:24:14,046 INFO L226 Difference]: Without dead ends: 1862 [2021-10-19 14:24:14,048 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 1 SyntacticMatches, 4 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 345.4ms TimeCoverageRelationStatistics Valid=157, Invalid=349, Unknown=0, NotChecked=0, Total=506 [2021-10-19 14:24:14,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1862 states. [2021-10-19 14:24:14,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1862 to 1578. [2021-10-19 14:24:14,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1578 states, 1568 states have (on average 1.9483418367346939) internal successors, (3055), 1577 states have internal predecessors, (3055), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:14,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1578 states to 1578 states and 3055 transitions. [2021-10-19 14:24:14,064 INFO L78 Accepts]: Start accepts. Automaton has 1578 states and 3055 transitions. Word has length 56 [2021-10-19 14:24:14,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:24:14,064 INFO L470 AbstractCegarLoop]: Abstraction has 1578 states and 3055 transitions. [2021-10-19 14:24:14,064 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:14,064 INFO L276 IsEmpty]: Start isEmpty. Operand 1578 states and 3055 transitions. [2021-10-19 14:24:14,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-19 14:24:14,065 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:24:14,065 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:24:14,065 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2021-10-19 14:24:14,066 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-10-19 14:24:14,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:24:14,066 INFO L82 PathProgramCache]: Analyzing trace with hash -1203442137, now seen corresponding path program 16 times [2021-10-19 14:24:14,066 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:24:14,066 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519063812] [2021-10-19 14:24:14,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:24:14,066 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:24:14,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:24:14,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:24:14,313 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:24:14,313 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [519063812] [2021-10-19 14:24:14,313 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [519063812] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:24:14,313 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:24:14,313 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-19 14:24:14,313 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1129362277] [2021-10-19 14:24:14,314 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-19 14:24:14,314 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:24:14,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-19 14:24:14,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2021-10-19 14:24:14,314 INFO L87 Difference]: Start difference. First operand 1578 states and 3055 transitions. Second operand has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:14,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:24:14,952 INFO L93 Difference]: Finished difference Result 1904 states and 3694 transitions. [2021-10-19 14:24:14,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-10-19 14:24:14,952 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2021-10-19 14:24:14,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:24:14,955 INFO L225 Difference]: With dead ends: 1904 [2021-10-19 14:24:14,955 INFO L226 Difference]: Without dead ends: 1904 [2021-10-19 14:24:14,955 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 4 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 393.3ms TimeCoverageRelationStatistics Valid=173, Invalid=379, Unknown=0, NotChecked=0, Total=552 [2021-10-19 14:24:14,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1904 states. [2021-10-19 14:24:14,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1904 to 1575. [2021-10-19 14:24:14,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1575 states, 1565 states have (on average 1.9482428115015975) internal successors, (3049), 1574 states have internal predecessors, (3049), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:14,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1575 states to 1575 states and 3049 transitions. [2021-10-19 14:24:14,970 INFO L78 Accepts]: Start accepts. Automaton has 1575 states and 3049 transitions. Word has length 56 [2021-10-19 14:24:14,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:24:14,970 INFO L470 AbstractCegarLoop]: Abstraction has 1575 states and 3049 transitions. [2021-10-19 14:24:14,970 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:14,970 INFO L276 IsEmpty]: Start isEmpty. Operand 1575 states and 3049 transitions. [2021-10-19 14:24:14,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-19 14:24:14,971 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:24:14,971 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:24:14,972 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2021-10-19 14:24:14,972 INFO L402 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-10-19 14:24:14,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:24:14,972 INFO L82 PathProgramCache]: Analyzing trace with hash 794741641, now seen corresponding path program 17 times [2021-10-19 14:24:14,972 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:24:14,972 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1169424789] [2021-10-19 14:24:14,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:24:14,973 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:24:14,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:24:15,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:24:15,200 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:24:15,200 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1169424789] [2021-10-19 14:24:15,200 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1169424789] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:24:15,200 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:24:15,200 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-19 14:24:15,200 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1580816152] [2021-10-19 14:24:15,201 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-19 14:24:15,201 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:24:15,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-19 14:24:15,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2021-10-19 14:24:15,201 INFO L87 Difference]: Start difference. First operand 1575 states and 3049 transitions. Second operand has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:15,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:24:15,680 INFO L93 Difference]: Finished difference Result 1852 states and 3588 transitions. [2021-10-19 14:24:15,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-10-19 14:24:15,695 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2021-10-19 14:24:15,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:24:15,697 INFO L225 Difference]: With dead ends: 1852 [2021-10-19 14:24:15,697 INFO L226 Difference]: Without dead ends: 1852 [2021-10-19 14:24:15,698 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 4 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 273.6ms TimeCoverageRelationStatistics Valid=172, Invalid=380, Unknown=0, NotChecked=0, Total=552 [2021-10-19 14:24:15,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1852 states. [2021-10-19 14:24:15,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1852 to 1572. [2021-10-19 14:24:15,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1572 states, 1562 states have (on average 1.9481434058898848) internal successors, (3043), 1571 states have internal predecessors, (3043), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:15,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1572 states to 1572 states and 3043 transitions. [2021-10-19 14:24:15,726 INFO L78 Accepts]: Start accepts. Automaton has 1572 states and 3043 transitions. Word has length 56 [2021-10-19 14:24:15,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:24:15,726 INFO L470 AbstractCegarLoop]: Abstraction has 1572 states and 3043 transitions. [2021-10-19 14:24:15,727 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:15,727 INFO L276 IsEmpty]: Start isEmpty. Operand 1572 states and 3043 transitions. [2021-10-19 14:24:15,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-19 14:24:15,728 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:24:15,728 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:24:15,729 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2021-10-19 14:24:15,730 INFO L402 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-10-19 14:24:15,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:24:15,730 INFO L82 PathProgramCache]: Analyzing trace with hash 1824432731, now seen corresponding path program 18 times [2021-10-19 14:24:15,730 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:24:15,730 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [525792627] [2021-10-19 14:24:15,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:24:15,731 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:24:15,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:24:15,978 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:24:15,978 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:24:15,978 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [525792627] [2021-10-19 14:24:15,978 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [525792627] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:24:15,978 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:24:15,978 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-19 14:24:15,979 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302303571] [2021-10-19 14:24:15,979 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-19 14:24:15,979 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:24:15,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-19 14:24:15,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2021-10-19 14:24:15,979 INFO L87 Difference]: Start difference. First operand 1572 states and 3043 transitions. Second operand has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:16,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:24:16,789 INFO L93 Difference]: Finished difference Result 1907 states and 3688 transitions. [2021-10-19 14:24:16,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-10-19 14:24:16,789 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2021-10-19 14:24:16,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:24:16,791 INFO L225 Difference]: With dead ends: 1907 [2021-10-19 14:24:16,791 INFO L226 Difference]: Without dead ends: 1907 [2021-10-19 14:24:16,792 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 4 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 324.1ms TimeCoverageRelationStatistics Valid=169, Invalid=383, Unknown=0, NotChecked=0, Total=552 [2021-10-19 14:24:16,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1907 states. [2021-10-19 14:24:16,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1907 to 1557. [2021-10-19 14:24:16,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1557 states, 1547 states have (on average 1.9476405946994182) internal successors, (3013), 1556 states have internal predecessors, (3013), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:16,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1557 states to 1557 states and 3013 transitions. [2021-10-19 14:24:16,815 INFO L78 Accepts]: Start accepts. Automaton has 1557 states and 3013 transitions. Word has length 56 [2021-10-19 14:24:16,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:24:16,815 INFO L470 AbstractCegarLoop]: Abstraction has 1557 states and 3013 transitions. [2021-10-19 14:24:16,815 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:16,815 INFO L276 IsEmpty]: Start isEmpty. Operand 1557 states and 3013 transitions. [2021-10-19 14:24:16,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-19 14:24:16,831 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:24:16,831 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:24:16,831 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2021-10-19 14:24:16,831 INFO L402 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-10-19 14:24:16,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:24:16,831 INFO L82 PathProgramCache]: Analyzing trace with hash 599069139, now seen corresponding path program 19 times [2021-10-19 14:24:16,832 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:24:16,832 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [132169731] [2021-10-19 14:24:16,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:24:16,832 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:24:16,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:24:17,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:24:17,065 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:24:17,065 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [132169731] [2021-10-19 14:24:17,065 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [132169731] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:24:17,065 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:24:17,065 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-19 14:24:17,065 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1042810366] [2021-10-19 14:24:17,066 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-19 14:24:17,066 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:24:17,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-19 14:24:17,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2021-10-19 14:24:17,066 INFO L87 Difference]: Start difference. First operand 1557 states and 3013 transitions. Second operand has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:17,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:24:17,571 INFO L93 Difference]: Finished difference Result 1863 states and 3614 transitions. [2021-10-19 14:24:17,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-19 14:24:17,571 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2021-10-19 14:24:17,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:24:17,573 INFO L225 Difference]: With dead ends: 1863 [2021-10-19 14:24:17,573 INFO L226 Difference]: Without dead ends: 1863 [2021-10-19 14:24:17,574 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 1 SyntacticMatches, 4 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 281.2ms TimeCoverageRelationStatistics Valid=156, Invalid=350, Unknown=0, NotChecked=0, Total=506 [2021-10-19 14:24:17,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1863 states. [2021-10-19 14:24:17,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1863 to 1554. [2021-10-19 14:24:17,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1554 states, 1544 states have (on average 1.947538860103627) internal successors, (3007), 1553 states have internal predecessors, (3007), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:17,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1554 states to 1554 states and 3007 transitions. [2021-10-19 14:24:17,590 INFO L78 Accepts]: Start accepts. Automaton has 1554 states and 3007 transitions. Word has length 56 [2021-10-19 14:24:17,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:24:17,590 INFO L470 AbstractCegarLoop]: Abstraction has 1554 states and 3007 transitions. [2021-10-19 14:24:17,590 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:17,590 INFO L276 IsEmpty]: Start isEmpty. Operand 1554 states and 3007 transitions. [2021-10-19 14:24:17,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-19 14:24:17,592 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:24:17,592 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:24:17,592 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2021-10-19 14:24:17,592 INFO L402 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-10-19 14:24:17,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:24:17,593 INFO L82 PathProgramCache]: Analyzing trace with hash -2107098959, now seen corresponding path program 20 times [2021-10-19 14:24:17,593 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:24:17,593 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113055813] [2021-10-19 14:24:17,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:24:17,593 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:24:17,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:24:17,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:24:17,799 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:24:17,799 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1113055813] [2021-10-19 14:24:17,800 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1113055813] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:24:17,800 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:24:17,800 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-19 14:24:17,800 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1481854026] [2021-10-19 14:24:17,800 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-19 14:24:17,800 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:24:17,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-19 14:24:17,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2021-10-19 14:24:17,801 INFO L87 Difference]: Start difference. First operand 1554 states and 3007 transitions. Second operand has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:18,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:24:18,359 INFO L93 Difference]: Finished difference Result 1905 states and 3696 transitions. [2021-10-19 14:24:18,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-10-19 14:24:18,359 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2021-10-19 14:24:18,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:24:18,361 INFO L225 Difference]: With dead ends: 1905 [2021-10-19 14:24:18,362 INFO L226 Difference]: Without dead ends: 1905 [2021-10-19 14:24:18,362 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 4 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 304.9ms TimeCoverageRelationStatistics Valid=171, Invalid=381, Unknown=0, NotChecked=0, Total=552 [2021-10-19 14:24:18,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1905 states. [2021-10-19 14:24:18,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1905 to 1551. [2021-10-19 14:24:18,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1551 states, 1541 states have (on average 1.9474367293964958) internal successors, (3001), 1550 states have internal predecessors, (3001), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:18,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1551 states to 1551 states and 3001 transitions. [2021-10-19 14:24:18,376 INFO L78 Accepts]: Start accepts. Automaton has 1551 states and 3001 transitions. Word has length 56 [2021-10-19 14:24:18,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:24:18,376 INFO L470 AbstractCegarLoop]: Abstraction has 1551 states and 3001 transitions. [2021-10-19 14:24:18,377 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:18,377 INFO L276 IsEmpty]: Start isEmpty. Operand 1551 states and 3001 transitions. [2021-10-19 14:24:18,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-19 14:24:18,378 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:24:18,378 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:24:18,378 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2021-10-19 14:24:18,378 INFO L402 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-10-19 14:24:18,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:24:18,378 INFO L82 PathProgramCache]: Analyzing trace with hash -108915181, now seen corresponding path program 21 times [2021-10-19 14:24:18,378 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:24:18,378 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1954885778] [2021-10-19 14:24:18,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:24:18,379 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:24:18,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:24:18,579 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:24:18,579 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:24:18,579 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1954885778] [2021-10-19 14:24:18,579 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1954885778] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:24:18,579 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:24:18,579 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-19 14:24:18,580 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957174953] [2021-10-19 14:24:18,580 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-19 14:24:18,580 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:24:18,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-19 14:24:18,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2021-10-19 14:24:18,580 INFO L87 Difference]: Start difference. First operand 1551 states and 3001 transitions. Second operand has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:19,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:24:19,215 INFO L93 Difference]: Finished difference Result 1902 states and 3684 transitions. [2021-10-19 14:24:19,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-10-19 14:24:19,215 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2021-10-19 14:24:19,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:24:19,217 INFO L225 Difference]: With dead ends: 1902 [2021-10-19 14:24:19,218 INFO L226 Difference]: Without dead ends: 1902 [2021-10-19 14:24:19,218 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 4 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 295.7ms TimeCoverageRelationStatistics Valid=169, Invalid=383, Unknown=0, NotChecked=0, Total=552 [2021-10-19 14:24:19,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1902 states. [2021-10-19 14:24:19,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1902 to 1500. [2021-10-19 14:24:19,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1500 states, 1490 states have (on average 1.9429530201342282) internal successors, (2895), 1499 states have internal predecessors, (2895), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:19,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1500 states to 1500 states and 2895 transitions. [2021-10-19 14:24:19,232 INFO L78 Accepts]: Start accepts. Automaton has 1500 states and 2895 transitions. Word has length 56 [2021-10-19 14:24:19,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:24:19,232 INFO L470 AbstractCegarLoop]: Abstraction has 1500 states and 2895 transitions. [2021-10-19 14:24:19,232 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:19,232 INFO L276 IsEmpty]: Start isEmpty. Operand 1500 states and 2895 transitions. [2021-10-19 14:24:19,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-19 14:24:19,233 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:24:19,233 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:24:19,234 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2021-10-19 14:24:19,234 INFO L402 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-10-19 14:24:19,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:24:19,234 INFO L82 PathProgramCache]: Analyzing trace with hash 1819376399, now seen corresponding path program 1 times [2021-10-19 14:24:19,234 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:24:19,234 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1503312966] [2021-10-19 14:24:19,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:24:19,234 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:24:19,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:24:19,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:24:19,279 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:24:19,279 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1503312966] [2021-10-19 14:24:19,279 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1503312966] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:24:19,279 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:24:19,279 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-19 14:24:19,279 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50618710] [2021-10-19 14:24:19,279 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-19 14:24:19,280 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:24:19,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-19 14:24:19,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-19 14:24:19,280 INFO L87 Difference]: Start difference. First operand 1500 states and 2895 transitions. Second operand has 6 states, 5 states have (on average 11.2) internal successors, (56), 6 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:19,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:24:19,434 INFO L93 Difference]: Finished difference Result 1526 states and 2932 transitions. [2021-10-19 14:24:19,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-19 14:24:19,434 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.2) internal successors, (56), 6 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2021-10-19 14:24:19,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:24:19,436 INFO L225 Difference]: With dead ends: 1526 [2021-10-19 14:24:19,436 INFO L226 Difference]: Without dead ends: 1346 [2021-10-19 14:24:19,436 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 18.6ms TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-19 14:24:19,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1346 states. [2021-10-19 14:24:19,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1346 to 1342. [2021-10-19 14:24:19,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1342 states, 1333 states have (on average 1.903225806451613) internal successors, (2537), 1341 states have internal predecessors, (2537), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:19,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1342 states to 1342 states and 2537 transitions. [2021-10-19 14:24:19,447 INFO L78 Accepts]: Start accepts. Automaton has 1342 states and 2537 transitions. Word has length 56 [2021-10-19 14:24:19,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:24:19,447 INFO L470 AbstractCegarLoop]: Abstraction has 1342 states and 2537 transitions. [2021-10-19 14:24:19,447 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.2) internal successors, (56), 6 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:19,447 INFO L276 IsEmpty]: Start isEmpty. Operand 1342 states and 2537 transitions. [2021-10-19 14:24:19,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-19 14:24:19,448 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:24:19,448 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:24:19,449 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2021-10-19 14:24:19,449 INFO L402 AbstractCegarLoop]: === Iteration 41 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-10-19 14:24:19,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:24:19,449 INFO L82 PathProgramCache]: Analyzing trace with hash 349944067, now seen corresponding path program 5 times [2021-10-19 14:24:19,449 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:24:19,449 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1256834912] [2021-10-19 14:24:19,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:24:19,449 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:24:19,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:24:19,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:24:19,550 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:24:19,550 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1256834912] [2021-10-19 14:24:19,550 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1256834912] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:24:19,550 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:24:19,550 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-19 14:24:19,550 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186492243] [2021-10-19 14:24:19,550 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-19 14:24:19,551 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:24:19,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-19 14:24:19,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2021-10-19 14:24:19,551 INFO L87 Difference]: Start difference. First operand 1342 states and 2537 transitions. Second operand has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:20,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:24:20,335 INFO L93 Difference]: Finished difference Result 2381 states and 4468 transitions. [2021-10-19 14:24:20,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-10-19 14:24:20,335 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2021-10-19 14:24:20,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:24:20,338 INFO L225 Difference]: With dead ends: 2381 [2021-10-19 14:24:20,338 INFO L226 Difference]: Without dead ends: 2381 [2021-10-19 14:24:20,339 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 295.5ms TimeCoverageRelationStatistics Valid=274, Invalid=538, Unknown=0, NotChecked=0, Total=812 [2021-10-19 14:24:20,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2381 states. [2021-10-19 14:24:20,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2381 to 1450. [2021-10-19 14:24:20,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1450 states, 1441 states have (on average 1.912560721721027) internal successors, (2756), 1449 states have internal predecessors, (2756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:20,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1450 states to 1450 states and 2756 transitions. [2021-10-19 14:24:20,365 INFO L78 Accepts]: Start accepts. Automaton has 1450 states and 2756 transitions. Word has length 56 [2021-10-19 14:24:20,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:24:20,368 INFO L470 AbstractCegarLoop]: Abstraction has 1450 states and 2756 transitions. [2021-10-19 14:24:20,368 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:20,368 INFO L276 IsEmpty]: Start isEmpty. Operand 1450 states and 2756 transitions. [2021-10-19 14:24:20,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-19 14:24:20,370 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:24:20,370 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:24:20,370 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2021-10-19 14:24:20,370 INFO L402 AbstractCegarLoop]: === Iteration 42 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-10-19 14:24:20,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:24:20,370 INFO L82 PathProgramCache]: Analyzing trace with hash 437612871, now seen corresponding path program 6 times [2021-10-19 14:24:20,370 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:24:20,371 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [707928937] [2021-10-19 14:24:20,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:24:20,371 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:24:20,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:24:20,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:24:20,513 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:24:20,513 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [707928937] [2021-10-19 14:24:20,513 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [707928937] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:24:20,513 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:24:20,513 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-19 14:24:20,514 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2110099662] [2021-10-19 14:24:20,514 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-19 14:24:20,514 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:24:20,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-19 14:24:20,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2021-10-19 14:24:20,514 INFO L87 Difference]: Start difference. First operand 1450 states and 2756 transitions. Second operand has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:21,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:24:21,301 INFO L93 Difference]: Finished difference Result 2290 states and 4302 transitions. [2021-10-19 14:24:21,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-10-19 14:24:21,301 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2021-10-19 14:24:21,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:24:21,304 INFO L225 Difference]: With dead ends: 2290 [2021-10-19 14:24:21,304 INFO L226 Difference]: Without dead ends: 2290 [2021-10-19 14:24:21,305 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 292.7ms TimeCoverageRelationStatistics Valid=285, Invalid=585, Unknown=0, NotChecked=0, Total=870 [2021-10-19 14:24:21,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2290 states. [2021-10-19 14:24:21,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2290 to 1643. [2021-10-19 14:24:21,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1643 states, 1634 states have (on average 1.927172582619339) internal successors, (3149), 1642 states have internal predecessors, (3149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:21,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1643 states to 1643 states and 3149 transitions. [2021-10-19 14:24:21,324 INFO L78 Accepts]: Start accepts. Automaton has 1643 states and 3149 transitions. Word has length 56 [2021-10-19 14:24:21,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:24:21,324 INFO L470 AbstractCegarLoop]: Abstraction has 1643 states and 3149 transitions. [2021-10-19 14:24:21,325 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:21,325 INFO L276 IsEmpty]: Start isEmpty. Operand 1643 states and 3149 transitions. [2021-10-19 14:24:21,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-19 14:24:21,326 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:24:21,326 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:24:21,326 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2021-10-19 14:24:21,326 INFO L402 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-10-19 14:24:21,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:24:21,327 INFO L82 PathProgramCache]: Analyzing trace with hash 450298927, now seen corresponding path program 22 times [2021-10-19 14:24:21,327 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:24:21,327 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2101777843] [2021-10-19 14:24:21,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:24:21,330 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:24:21,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:24:21,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:24:21,475 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:24:21,476 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2101777843] [2021-10-19 14:24:21,476 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2101777843] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:24:21,476 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:24:21,476 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-19 14:24:21,476 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [605120840] [2021-10-19 14:24:21,476 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-19 14:24:21,476 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:24:21,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-19 14:24:21,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2021-10-19 14:24:21,477 INFO L87 Difference]: Start difference. First operand 1643 states and 3149 transitions. Second operand has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:21,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:24:21,965 INFO L93 Difference]: Finished difference Result 2069 states and 3896 transitions. [2021-10-19 14:24:21,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-19 14:24:21,965 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2021-10-19 14:24:21,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:24:21,968 INFO L225 Difference]: With dead ends: 2069 [2021-10-19 14:24:21,968 INFO L226 Difference]: Without dead ends: 2045 [2021-10-19 14:24:21,968 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 193.6ms TimeCoverageRelationStatistics Valid=173, Invalid=427, Unknown=0, NotChecked=0, Total=600 [2021-10-19 14:24:21,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2045 states. [2021-10-19 14:24:21,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2045 to 1627. [2021-10-19 14:24:21,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1627 states, 1618 states have (on average 1.9239802224969098) internal successors, (3113), 1626 states have internal predecessors, (3113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:21,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1627 states to 1627 states and 3113 transitions. [2021-10-19 14:24:21,984 INFO L78 Accepts]: Start accepts. Automaton has 1627 states and 3113 transitions. Word has length 56 [2021-10-19 14:24:21,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:24:21,984 INFO L470 AbstractCegarLoop]: Abstraction has 1627 states and 3113 transitions. [2021-10-19 14:24:21,984 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:21,984 INFO L276 IsEmpty]: Start isEmpty. Operand 1627 states and 3113 transitions. [2021-10-19 14:24:21,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-19 14:24:21,985 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:24:21,986 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:24:21,986 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2021-10-19 14:24:21,986 INFO L402 AbstractCegarLoop]: === Iteration 44 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-10-19 14:24:21,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:24:21,986 INFO L82 PathProgramCache]: Analyzing trace with hash 1012369063, now seen corresponding path program 8 times [2021-10-19 14:24:21,986 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:24:21,986 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1778496310] [2021-10-19 14:24:21,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:24:21,987 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:24:22,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:24:22,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:24:22,192 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:24:22,192 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1778496310] [2021-10-19 14:24:22,192 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1778496310] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:24:22,192 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:24:22,192 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-19 14:24:22,192 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824085145] [2021-10-19 14:24:22,192 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-19 14:24:22,192 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:24:22,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-19 14:24:22,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2021-10-19 14:24:22,193 INFO L87 Difference]: Start difference. First operand 1627 states and 3113 transitions. Second operand has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:22,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:24:22,682 INFO L93 Difference]: Finished difference Result 2260 states and 4286 transitions. [2021-10-19 14:24:22,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-19 14:24:22,682 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2021-10-19 14:24:22,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:24:22,685 INFO L225 Difference]: With dead ends: 2260 [2021-10-19 14:24:22,685 INFO L226 Difference]: Without dead ends: 2259 [2021-10-19 14:24:22,685 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 1 SyntacticMatches, 4 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 226.9ms TimeCoverageRelationStatistics Valid=157, Invalid=349, Unknown=0, NotChecked=0, Total=506 [2021-10-19 14:24:22,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2259 states. [2021-10-19 14:24:22,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2259 to 1654. [2021-10-19 14:24:22,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1654 states, 1645 states have (on average 1.9252279635258358) internal successors, (3167), 1653 states have internal predecessors, (3167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:22,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1654 states to 1654 states and 3167 transitions. [2021-10-19 14:24:22,704 INFO L78 Accepts]: Start accepts. Automaton has 1654 states and 3167 transitions. Word has length 56 [2021-10-19 14:24:22,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:24:22,705 INFO L470 AbstractCegarLoop]: Abstraction has 1654 states and 3167 transitions. [2021-10-19 14:24:22,705 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:22,705 INFO L276 IsEmpty]: Start isEmpty. Operand 1654 states and 3167 transitions. [2021-10-19 14:24:22,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-19 14:24:22,706 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:24:22,706 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:24:22,706 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2021-10-19 14:24:22,706 INFO L402 AbstractCegarLoop]: === Iteration 45 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-10-19 14:24:22,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:24:22,706 INFO L82 PathProgramCache]: Analyzing trace with hash 1510439601, now seen corresponding path program 9 times [2021-10-19 14:24:22,706 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:24:22,707 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677481845] [2021-10-19 14:24:22,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:24:22,707 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:24:22,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:24:22,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:24:22,940 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:24:22,940 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [677481845] [2021-10-19 14:24:22,940 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [677481845] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:24:22,940 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:24:22,941 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-19 14:24:22,941 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049892423] [2021-10-19 14:24:22,941 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-19 14:24:22,941 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:24:22,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-19 14:24:22,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2021-10-19 14:24:22,941 INFO L87 Difference]: Start difference. First operand 1654 states and 3167 transitions. Second operand has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:23,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:24:23,575 INFO L93 Difference]: Finished difference Result 2329 states and 4422 transitions. [2021-10-19 14:24:23,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-10-19 14:24:23,575 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2021-10-19 14:24:23,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:24:23,578 INFO L225 Difference]: With dead ends: 2329 [2021-10-19 14:24:23,578 INFO L226 Difference]: Without dead ends: 2327 [2021-10-19 14:24:23,579 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 4 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 261.0ms TimeCoverageRelationStatistics Valid=171, Invalid=381, Unknown=0, NotChecked=0, Total=552 [2021-10-19 14:24:23,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2327 states. [2021-10-19 14:24:23,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2327 to 1672. [2021-10-19 14:24:23,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1672 states, 1663 states have (on average 1.926037282020445) internal successors, (3203), 1671 states have internal predecessors, (3203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:23,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1672 states to 1672 states and 3203 transitions. [2021-10-19 14:24:23,595 INFO L78 Accepts]: Start accepts. Automaton has 1672 states and 3203 transitions. Word has length 56 [2021-10-19 14:24:23,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:24:23,595 INFO L470 AbstractCegarLoop]: Abstraction has 1672 states and 3203 transitions. [2021-10-19 14:24:23,595 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:23,596 INFO L276 IsEmpty]: Start isEmpty. Operand 1672 states and 3203 transitions. [2021-10-19 14:24:23,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-19 14:24:23,597 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:24:23,597 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:24:23,597 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2021-10-19 14:24:23,597 INFO L402 AbstractCegarLoop]: === Iteration 46 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-10-19 14:24:23,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:24:23,598 INFO L82 PathProgramCache]: Analyzing trace with hash 1417469799, now seen corresponding path program 10 times [2021-10-19 14:24:23,598 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:24:23,598 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1019421347] [2021-10-19 14:24:23,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:24:23,598 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:24:23,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:24:23,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:24:23,797 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:24:23,797 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1019421347] [2021-10-19 14:24:23,797 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1019421347] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:24:23,797 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:24:23,797 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-19 14:24:23,797 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310634950] [2021-10-19 14:24:23,797 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-19 14:24:23,797 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:24:23,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-19 14:24:23,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2021-10-19 14:24:23,798 INFO L87 Difference]: Start difference. First operand 1672 states and 3203 transitions. Second operand has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:24,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:24:24,451 INFO L93 Difference]: Finished difference Result 2388 states and 4538 transitions. [2021-10-19 14:24:24,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-10-19 14:24:24,452 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2021-10-19 14:24:24,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:24:24,454 INFO L225 Difference]: With dead ends: 2388 [2021-10-19 14:24:24,454 INFO L226 Difference]: Without dead ends: 2385 [2021-10-19 14:24:24,455 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 4 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 264.3ms TimeCoverageRelationStatistics Valid=168, Invalid=384, Unknown=0, NotChecked=0, Total=552 [2021-10-19 14:24:24,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2385 states. [2021-10-19 14:24:24,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2385 to 1690. [2021-10-19 14:24:24,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1690 states, 1681 states have (on average 1.9268292682926829) internal successors, (3239), 1689 states have internal predecessors, (3239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:24,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1690 states to 1690 states and 3239 transitions. [2021-10-19 14:24:24,471 INFO L78 Accepts]: Start accepts. Automaton has 1690 states and 3239 transitions. Word has length 56 [2021-10-19 14:24:24,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:24:24,472 INFO L470 AbstractCegarLoop]: Abstraction has 1690 states and 3239 transitions. [2021-10-19 14:24:24,472 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:24,472 INFO L276 IsEmpty]: Start isEmpty. Operand 1690 states and 3239 transitions. [2021-10-19 14:24:24,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-19 14:24:24,473 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:24:24,473 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:24:24,473 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2021-10-19 14:24:24,473 INFO L402 AbstractCegarLoop]: === Iteration 47 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-10-19 14:24:24,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:24:24,474 INFO L82 PathProgramCache]: Analyzing trace with hash -1956107791, now seen corresponding path program 11 times [2021-10-19 14:24:24,474 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:24:24,474 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1229507124] [2021-10-19 14:24:24,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:24:24,474 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:24:24,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:24:24,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:24:24,664 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:24:24,664 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1229507124] [2021-10-19 14:24:24,664 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1229507124] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:24:24,664 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:24:24,664 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-19 14:24:24,664 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775694579] [2021-10-19 14:24:24,664 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-19 14:24:24,664 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:24:24,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-19 14:24:24,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2021-10-19 14:24:24,665 INFO L87 Difference]: Start difference. First operand 1690 states and 3239 transitions. Second operand has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:25,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:24:25,261 INFO L93 Difference]: Finished difference Result 2447 states and 4654 transitions. [2021-10-19 14:24:25,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-10-19 14:24:25,262 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2021-10-19 14:24:25,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:24:25,265 INFO L225 Difference]: With dead ends: 2447 [2021-10-19 14:24:25,265 INFO L226 Difference]: Without dead ends: 2443 [2021-10-19 14:24:25,265 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 4 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 264.2ms TimeCoverageRelationStatistics Valid=167, Invalid=385, Unknown=0, NotChecked=0, Total=552 [2021-10-19 14:24:25,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2443 states. [2021-10-19 14:24:25,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2443 to 1708. [2021-10-19 14:24:25,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1708 states, 1699 states have (on average 1.927604473219541) internal successors, (3275), 1707 states have internal predecessors, (3275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:25,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1708 states to 1708 states and 3275 transitions. [2021-10-19 14:24:25,285 INFO L78 Accepts]: Start accepts. Automaton has 1708 states and 3275 transitions. Word has length 56 [2021-10-19 14:24:25,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:24:25,285 INFO L470 AbstractCegarLoop]: Abstraction has 1708 states and 3275 transitions. [2021-10-19 14:24:25,285 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:25,285 INFO L276 IsEmpty]: Start isEmpty. Operand 1708 states and 3275 transitions. [2021-10-19 14:24:25,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-19 14:24:25,286 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:24:25,286 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:24:25,286 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2021-10-19 14:24:25,287 INFO L402 AbstractCegarLoop]: === Iteration 48 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-10-19 14:24:25,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:24:25,287 INFO L82 PathProgramCache]: Analyzing trace with hash -1514854361, now seen corresponding path program 12 times [2021-10-19 14:24:25,287 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:24:25,287 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208249108] [2021-10-19 14:24:25,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:24:25,287 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:24:25,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:24:25,477 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:24:25,478 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:24:25,478 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1208249108] [2021-10-19 14:24:25,478 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1208249108] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:24:25,478 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:24:25,478 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-19 14:24:25,478 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [489670337] [2021-10-19 14:24:25,478 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-19 14:24:25,478 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:24:25,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-19 14:24:25,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2021-10-19 14:24:25,479 INFO L87 Difference]: Start difference. First operand 1708 states and 3275 transitions. Second operand has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:25,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:24:25,980 INFO L93 Difference]: Finished difference Result 2294 states and 4353 transitions. [2021-10-19 14:24:25,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-10-19 14:24:25,980 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2021-10-19 14:24:25,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:24:25,983 INFO L225 Difference]: With dead ends: 2294 [2021-10-19 14:24:25,983 INFO L226 Difference]: Without dead ends: 2290 [2021-10-19 14:24:25,983 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 4 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 222.4ms TimeCoverageRelationStatistics Valid=168, Invalid=384, Unknown=0, NotChecked=0, Total=552 [2021-10-19 14:24:25,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2290 states. [2021-10-19 14:24:25,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2290 to 1697. [2021-10-19 14:24:25,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1697 states, 1688 states have (on average 1.927132701421801) internal successors, (3253), 1696 states have internal predecessors, (3253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:26,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1697 states to 1697 states and 3253 transitions. [2021-10-19 14:24:26,001 INFO L78 Accepts]: Start accepts. Automaton has 1697 states and 3253 transitions. Word has length 56 [2021-10-19 14:24:26,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:24:26,001 INFO L470 AbstractCegarLoop]: Abstraction has 1697 states and 3253 transitions. [2021-10-19 14:24:26,001 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:26,001 INFO L276 IsEmpty]: Start isEmpty. Operand 1697 states and 3253 transitions. [2021-10-19 14:24:26,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-19 14:24:26,002 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:24:26,002 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:24:26,002 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2021-10-19 14:24:26,002 INFO L402 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-10-19 14:24:26,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:24:26,003 INFO L82 PathProgramCache]: Analyzing trace with hash 42543509, now seen corresponding path program 4 times [2021-10-19 14:24:26,003 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:24:26,003 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1824981502] [2021-10-19 14:24:26,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:24:26,003 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:24:26,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:24:26,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:24:26,105 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:24:26,106 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1824981502] [2021-10-19 14:24:26,106 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1824981502] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:24:26,106 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:24:26,106 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-19 14:24:26,106 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [567413627] [2021-10-19 14:24:26,106 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-19 14:24:26,106 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:24:26,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-19 14:24:26,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2021-10-19 14:24:26,107 INFO L87 Difference]: Start difference. First operand 1697 states and 3253 transitions. Second operand has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:26,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:24:26,832 INFO L93 Difference]: Finished difference Result 2122 states and 4014 transitions. [2021-10-19 14:24:26,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-10-19 14:24:26,832 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2021-10-19 14:24:26,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:24:26,835 INFO L225 Difference]: With dead ends: 2122 [2021-10-19 14:24:26,835 INFO L226 Difference]: Without dead ends: 2098 [2021-10-19 14:24:26,836 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 122 ImplicationChecksByTransitivity, 343.3ms TimeCoverageRelationStatistics Valid=335, Invalid=787, Unknown=0, NotChecked=0, Total=1122 [2021-10-19 14:24:26,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2098 states. [2021-10-19 14:24:26,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2098 to 1414. [2021-10-19 14:24:26,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1414 states, 1405 states have (on average 1.9110320284697508) internal successors, (2685), 1413 states have internal predecessors, (2685), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:26,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1414 states to 1414 states and 2685 transitions. [2021-10-19 14:24:26,850 INFO L78 Accepts]: Start accepts. Automaton has 1414 states and 2685 transitions. Word has length 56 [2021-10-19 14:24:26,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:24:26,850 INFO L470 AbstractCegarLoop]: Abstraction has 1414 states and 2685 transitions. [2021-10-19 14:24:26,850 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:26,850 INFO L276 IsEmpty]: Start isEmpty. Operand 1414 states and 2685 transitions. [2021-10-19 14:24:26,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-19 14:24:26,851 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:24:26,851 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:24:26,851 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2021-10-19 14:24:26,852 INFO L402 AbstractCegarLoop]: === Iteration 50 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-10-19 14:24:26,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:24:26,856 INFO L82 PathProgramCache]: Analyzing trace with hash 1877395427, now seen corresponding path program 13 times [2021-10-19 14:24:26,856 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:24:26,856 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [72839025] [2021-10-19 14:24:26,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:24:26,856 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:24:26,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:24:27,060 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:24:27,060 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:24:27,060 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [72839025] [2021-10-19 14:24:27,060 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [72839025] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:24:27,060 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:24:27,060 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-19 14:24:27,061 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389260813] [2021-10-19 14:24:27,061 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-19 14:24:27,061 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:24:27,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-19 14:24:27,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2021-10-19 14:24:27,061 INFO L87 Difference]: Start difference. First operand 1414 states and 2685 transitions. Second operand has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:27,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:24:27,688 INFO L93 Difference]: Finished difference Result 1710 states and 3265 transitions. [2021-10-19 14:24:27,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-19 14:24:27,688 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2021-10-19 14:24:27,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:24:27,691 INFO L225 Difference]: With dead ends: 1710 [2021-10-19 14:24:27,691 INFO L226 Difference]: Without dead ends: 1709 [2021-10-19 14:24:27,691 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 1 SyntacticMatches, 4 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 272.4ms TimeCoverageRelationStatistics Valid=156, Invalid=350, Unknown=0, NotChecked=0, Total=506 [2021-10-19 14:24:27,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1709 states. [2021-10-19 14:24:27,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1709 to 1420. [2021-10-19 14:24:27,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1420 states, 1411 states have (on average 1.9114103472714388) internal successors, (2697), 1419 states have internal predecessors, (2697), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:27,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1420 states to 1420 states and 2697 transitions. [2021-10-19 14:24:27,704 INFO L78 Accepts]: Start accepts. Automaton has 1420 states and 2697 transitions. Word has length 56 [2021-10-19 14:24:27,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:24:27,704 INFO L470 AbstractCegarLoop]: Abstraction has 1420 states and 2697 transitions. [2021-10-19 14:24:27,704 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:27,704 INFO L276 IsEmpty]: Start isEmpty. Operand 1420 states and 2697 transitions. [2021-10-19 14:24:27,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-19 14:24:27,705 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:24:27,705 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:24:27,705 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2021-10-19 14:24:27,706 INFO L402 AbstractCegarLoop]: === Iteration 51 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-10-19 14:24:27,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:24:27,706 INFO L82 PathProgramCache]: Analyzing trace with hash -1919501331, now seen corresponding path program 14 times [2021-10-19 14:24:27,706 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:24:27,706 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1141331238] [2021-10-19 14:24:27,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:24:27,706 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:24:27,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:24:27,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:24:27,907 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:24:27,907 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1141331238] [2021-10-19 14:24:27,907 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1141331238] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:24:27,907 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:24:27,907 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-19 14:24:27,907 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1103268159] [2021-10-19 14:24:27,907 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-19 14:24:27,908 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:24:27,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-19 14:24:27,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2021-10-19 14:24:27,908 INFO L87 Difference]: Start difference. First operand 1420 states and 2697 transitions. Second operand has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:28,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:24:28,668 INFO L93 Difference]: Finished difference Result 1759 states and 3361 transitions. [2021-10-19 14:24:28,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-10-19 14:24:28,669 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2021-10-19 14:24:28,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:24:28,671 INFO L225 Difference]: With dead ends: 1759 [2021-10-19 14:24:28,671 INFO L226 Difference]: Without dead ends: 1757 [2021-10-19 14:24:28,671 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 4 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 301.6ms TimeCoverageRelationStatistics Valid=171, Invalid=381, Unknown=0, NotChecked=0, Total=552 [2021-10-19 14:24:28,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1757 states. [2021-10-19 14:24:28,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1757 to 1417. [2021-10-19 14:24:28,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1417 states, 1408 states have (on average 1.9112215909090908) internal successors, (2691), 1416 states have internal predecessors, (2691), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:28,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1417 states to 1417 states and 2691 transitions. [2021-10-19 14:24:28,685 INFO L78 Accepts]: Start accepts. Automaton has 1417 states and 2691 transitions. Word has length 56 [2021-10-19 14:24:28,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:24:28,685 INFO L470 AbstractCegarLoop]: Abstraction has 1417 states and 2691 transitions. [2021-10-19 14:24:28,685 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:28,686 INFO L276 IsEmpty]: Start isEmpty. Operand 1417 states and 2691 transitions. [2021-10-19 14:24:28,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-19 14:24:28,687 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:24:28,687 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:24:28,687 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2021-10-19 14:24:28,687 INFO L402 AbstractCegarLoop]: === Iteration 52 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-10-19 14:24:28,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:24:28,687 INFO L82 PathProgramCache]: Analyzing trace with hash -2012471133, now seen corresponding path program 15 times [2021-10-19 14:24:28,687 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:24:28,687 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2025370286] [2021-10-19 14:24:28,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:24:28,687 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:24:28,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:24:29,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:24:29,004 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:24:29,004 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2025370286] [2021-10-19 14:24:29,004 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2025370286] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:24:29,004 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:24:29,004 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-19 14:24:29,004 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [858030165] [2021-10-19 14:24:29,005 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-19 14:24:29,005 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:24:29,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-19 14:24:29,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2021-10-19 14:24:29,005 INFO L87 Difference]: Start difference. First operand 1417 states and 2691 transitions. Second operand has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:29,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:24:29,783 INFO L93 Difference]: Finished difference Result 1808 states and 3457 transitions. [2021-10-19 14:24:29,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-10-19 14:24:29,783 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2021-10-19 14:24:29,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:24:29,786 INFO L225 Difference]: With dead ends: 1808 [2021-10-19 14:24:29,786 INFO L226 Difference]: Without dead ends: 1805 [2021-10-19 14:24:29,786 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 4 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 379.5ms TimeCoverageRelationStatistics Valid=169, Invalid=383, Unknown=0, NotChecked=0, Total=552 [2021-10-19 14:24:29,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1805 states. [2021-10-19 14:24:29,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1805 to 1414. [2021-10-19 14:24:29,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1414 states, 1405 states have (on average 1.9110320284697508) internal successors, (2685), 1413 states have internal predecessors, (2685), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:29,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1414 states to 1414 states and 2685 transitions. [2021-10-19 14:24:29,800 INFO L78 Accepts]: Start accepts. Automaton has 1414 states and 2685 transitions. Word has length 56 [2021-10-19 14:24:29,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:24:29,800 INFO L470 AbstractCegarLoop]: Abstraction has 1414 states and 2685 transitions. [2021-10-19 14:24:29,800 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:29,800 INFO L276 IsEmpty]: Start isEmpty. Operand 1414 states and 2685 transitions. [2021-10-19 14:24:29,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-19 14:24:29,801 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:24:29,801 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:24:29,801 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2021-10-19 14:24:29,802 INFO L402 AbstractCegarLoop]: === Iteration 53 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-10-19 14:24:29,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:24:29,802 INFO L82 PathProgramCache]: Analyzing trace with hash -1091081427, now seen corresponding path program 16 times [2021-10-19 14:24:29,802 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:24:29,802 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [643529752] [2021-10-19 14:24:29,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:24:29,802 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:24:29,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:24:30,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:24:30,081 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:24:30,081 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [643529752] [2021-10-19 14:24:30,081 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [643529752] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:24:30,081 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:24:30,081 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-19 14:24:30,081 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1184222194] [2021-10-19 14:24:30,082 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-19 14:24:30,082 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:24:30,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-19 14:24:30,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2021-10-19 14:24:30,082 INFO L87 Difference]: Start difference. First operand 1414 states and 2685 transitions. Second operand has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:30,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:24:30,791 INFO L93 Difference]: Finished difference Result 1820 states and 3470 transitions. [2021-10-19 14:24:30,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-10-19 14:24:30,792 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2021-10-19 14:24:30,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:24:30,794 INFO L225 Difference]: With dead ends: 1820 [2021-10-19 14:24:30,794 INFO L226 Difference]: Without dead ends: 1816 [2021-10-19 14:24:30,794 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 4 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 313.2ms TimeCoverageRelationStatistics Valid=169, Invalid=383, Unknown=0, NotChecked=0, Total=552 [2021-10-19 14:24:30,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1816 states. [2021-10-19 14:24:30,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1816 to 1396. [2021-10-19 14:24:30,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1396 states, 1387 states have (on average 1.9098774333093007) internal successors, (2649), 1395 states have internal predecessors, (2649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:30,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1396 states to 1396 states and 2649 transitions. [2021-10-19 14:24:30,808 INFO L78 Accepts]: Start accepts. Automaton has 1396 states and 2649 transitions. Word has length 56 [2021-10-19 14:24:30,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:24:30,808 INFO L470 AbstractCegarLoop]: Abstraction has 1396 states and 2649 transitions. [2021-10-19 14:24:30,808 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:30,808 INFO L276 IsEmpty]: Start isEmpty. Operand 1396 states and 2649 transitions. [2021-10-19 14:24:30,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-19 14:24:30,809 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:24:30,810 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:24:30,810 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2021-10-19 14:24:30,821 INFO L402 AbstractCegarLoop]: === Iteration 54 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-10-19 14:24:30,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:24:30,821 INFO L82 PathProgramCache]: Analyzing trace with hash -630673685, now seen corresponding path program 17 times [2021-10-19 14:24:30,821 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:24:30,821 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1754434879] [2021-10-19 14:24:30,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:24:30,822 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:24:30,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:24:31,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:24:31,122 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:24:31,122 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1754434879] [2021-10-19 14:24:31,122 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1754434879] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:24:31,122 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:24:31,122 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-19 14:24:31,122 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1389150601] [2021-10-19 14:24:31,122 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-19 14:24:31,122 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:24:31,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-19 14:24:31,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2021-10-19 14:24:31,123 INFO L87 Difference]: Start difference. First operand 1396 states and 2649 transitions. Second operand has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:31,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:24:31,643 INFO L93 Difference]: Finished difference Result 1678 states and 3201 transitions. [2021-10-19 14:24:31,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-19 14:24:31,643 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2021-10-19 14:24:31,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:24:31,645 INFO L225 Difference]: With dead ends: 1678 [2021-10-19 14:24:31,645 INFO L226 Difference]: Without dead ends: 1677 [2021-10-19 14:24:31,646 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 1 SyntacticMatches, 4 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 302.9ms TimeCoverageRelationStatistics Valid=157, Invalid=349, Unknown=0, NotChecked=0, Total=506 [2021-10-19 14:24:31,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1677 states. [2021-10-19 14:24:31,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1677 to 1399. [2021-10-19 14:24:31,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1399 states, 1390 states have (on average 1.910071942446043) internal successors, (2655), 1398 states have internal predecessors, (2655), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:31,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1399 states to 1399 states and 2655 transitions. [2021-10-19 14:24:31,658 INFO L78 Accepts]: Start accepts. Automaton has 1399 states and 2655 transitions. Word has length 56 [2021-10-19 14:24:31,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:24:31,658 INFO L470 AbstractCegarLoop]: Abstraction has 1399 states and 2655 transitions. [2021-10-19 14:24:31,658 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:31,658 INFO L276 IsEmpty]: Start isEmpty. Operand 1399 states and 2655 transitions. [2021-10-19 14:24:31,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-19 14:24:31,676 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:24:31,676 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:24:31,676 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2021-10-19 14:24:31,676 INFO L402 AbstractCegarLoop]: === Iteration 55 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-10-19 14:24:31,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:24:31,676 INFO L82 PathProgramCache]: Analyzing trace with hash -132603147, now seen corresponding path program 18 times [2021-10-19 14:24:31,676 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:24:31,676 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [600148210] [2021-10-19 14:24:31,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:24:31,676 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:24:31,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:24:31,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:24:31,860 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:24:31,860 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [600148210] [2021-10-19 14:24:31,860 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [600148210] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:24:31,860 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:24:31,860 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-19 14:24:31,860 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1335140370] [2021-10-19 14:24:31,860 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-19 14:24:31,860 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:24:31,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-19 14:24:31,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2021-10-19 14:24:31,861 INFO L87 Difference]: Start difference. First operand 1399 states and 2655 transitions. Second operand has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:32,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:24:32,487 INFO L93 Difference]: Finished difference Result 1727 states and 3297 transitions. [2021-10-19 14:24:32,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-10-19 14:24:32,488 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2021-10-19 14:24:32,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:24:32,490 INFO L225 Difference]: With dead ends: 1727 [2021-10-19 14:24:32,490 INFO L226 Difference]: Without dead ends: 1725 [2021-10-19 14:24:32,490 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 4 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 234.9ms TimeCoverageRelationStatistics Valid=173, Invalid=379, Unknown=0, NotChecked=0, Total=552 [2021-10-19 14:24:32,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1725 states. [2021-10-19 14:24:32,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1725 to 1396. [2021-10-19 14:24:32,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1396 states, 1387 states have (on average 1.9098774333093007) internal successors, (2649), 1395 states have internal predecessors, (2649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:32,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1396 states to 1396 states and 2649 transitions. [2021-10-19 14:24:32,502 INFO L78 Accepts]: Start accepts. Automaton has 1396 states and 2649 transitions. Word has length 56 [2021-10-19 14:24:32,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:24:32,503 INFO L470 AbstractCegarLoop]: Abstraction has 1396 states and 2649 transitions. [2021-10-19 14:24:32,503 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:32,503 INFO L276 IsEmpty]: Start isEmpty. Operand 1396 states and 2649 transitions. [2021-10-19 14:24:32,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-19 14:24:32,504 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:24:32,504 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:24:32,507 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2021-10-19 14:24:32,507 INFO L402 AbstractCegarLoop]: === Iteration 56 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-10-19 14:24:32,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:24:32,507 INFO L82 PathProgramCache]: Analyzing trace with hash -225572949, now seen corresponding path program 19 times [2021-10-19 14:24:32,507 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:24:32,508 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [701717109] [2021-10-19 14:24:32,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:24:32,508 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:24:32,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:24:32,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:24:32,704 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:24:32,704 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [701717109] [2021-10-19 14:24:32,704 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [701717109] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:24:32,704 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:24:32,704 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-19 14:24:32,704 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [27566602] [2021-10-19 14:24:32,705 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-19 14:24:32,705 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:24:32,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-19 14:24:32,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2021-10-19 14:24:32,705 INFO L87 Difference]: Start difference. First operand 1396 states and 2649 transitions. Second operand has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:33,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:24:33,163 INFO L93 Difference]: Finished difference Result 1740 states and 3313 transitions. [2021-10-19 14:24:33,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-10-19 14:24:33,164 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2021-10-19 14:24:33,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:24:33,166 INFO L225 Difference]: With dead ends: 1740 [2021-10-19 14:24:33,166 INFO L226 Difference]: Without dead ends: 1737 [2021-10-19 14:24:33,166 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 4 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 200.0ms TimeCoverageRelationStatistics Valid=172, Invalid=380, Unknown=0, NotChecked=0, Total=552 [2021-10-19 14:24:33,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1737 states. [2021-10-19 14:24:33,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1737 to 1378. [2021-10-19 14:24:33,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1378 states, 1369 states have (on average 1.908692476260044) internal successors, (2613), 1377 states have internal predecessors, (2613), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:33,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1378 states to 1378 states and 2613 transitions. [2021-10-19 14:24:33,180 INFO L78 Accepts]: Start accepts. Automaton has 1378 states and 2613 transitions. Word has length 56 [2021-10-19 14:24:33,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:24:33,181 INFO L470 AbstractCegarLoop]: Abstraction has 1378 states and 2613 transitions. [2021-10-19 14:24:33,181 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:33,181 INFO L276 IsEmpty]: Start isEmpty. Operand 1378 states and 2613 transitions. [2021-10-19 14:24:33,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-19 14:24:33,182 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:24:33,182 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:24:33,182 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2021-10-19 14:24:33,182 INFO L402 AbstractCegarLoop]: === Iteration 57 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-10-19 14:24:33,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:24:33,182 INFO L82 PathProgramCache]: Analyzing trace with hash 401722113, now seen corresponding path program 20 times [2021-10-19 14:24:33,183 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:24:33,183 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1075039438] [2021-10-19 14:24:33,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:24:33,183 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:24:33,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:24:33,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:24:33,373 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:24:33,373 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1075039438] [2021-10-19 14:24:33,373 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1075039438] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:24:33,373 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:24:33,373 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-19 14:24:33,374 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [325131665] [2021-10-19 14:24:33,374 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-19 14:24:33,374 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:24:33,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-19 14:24:33,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2021-10-19 14:24:33,374 INFO L87 Difference]: Start difference. First operand 1378 states and 2613 transitions. Second operand has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:33,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:24:33,992 INFO L93 Difference]: Finished difference Result 1632 states and 3109 transitions. [2021-10-19 14:24:33,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-19 14:24:33,992 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2021-10-19 14:24:33,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:24:33,994 INFO L225 Difference]: With dead ends: 1632 [2021-10-19 14:24:33,994 INFO L226 Difference]: Without dead ends: 1631 [2021-10-19 14:24:33,995 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 1 SyntacticMatches, 4 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 210.6ms TimeCoverageRelationStatistics Valid=160, Invalid=346, Unknown=0, NotChecked=0, Total=506 [2021-10-19 14:24:33,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1631 states. [2021-10-19 14:24:34,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1631 to 1375. [2021-10-19 14:24:34,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1375 states, 1366 states have (on average 1.9084919472913617) internal successors, (2607), 1374 states have internal predecessors, (2607), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:34,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1375 states to 1375 states and 2607 transitions. [2021-10-19 14:24:34,016 INFO L78 Accepts]: Start accepts. Automaton has 1375 states and 2607 transitions. Word has length 56 [2021-10-19 14:24:34,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:24:34,016 INFO L470 AbstractCegarLoop]: Abstraction has 1375 states and 2607 transitions. [2021-10-19 14:24:34,016 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:34,016 INFO L276 IsEmpty]: Start isEmpty. Operand 1375 states and 2607 transitions. [2021-10-19 14:24:34,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-19 14:24:34,026 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:24:34,026 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:24:34,026 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2021-10-19 14:24:34,027 INFO L402 AbstractCegarLoop]: === Iteration 58 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-10-19 14:24:34,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:24:34,027 INFO L82 PathProgramCache]: Analyzing trace with hash 899792651, now seen corresponding path program 21 times [2021-10-19 14:24:34,027 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:24:34,027 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [162992676] [2021-10-19 14:24:34,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:24:34,028 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:24:34,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:24:34,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:24:34,267 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:24:34,267 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [162992676] [2021-10-19 14:24:34,267 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [162992676] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:24:34,267 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:24:34,268 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-19 14:24:34,268 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612819758] [2021-10-19 14:24:34,268 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-19 14:24:34,268 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:24:34,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-19 14:24:34,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2021-10-19 14:24:34,268 INFO L87 Difference]: Start difference. First operand 1375 states and 2607 transitions. Second operand has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:35,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:24:35,013 INFO L93 Difference]: Finished difference Result 1618 states and 3075 transitions. [2021-10-19 14:24:35,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-10-19 14:24:35,013 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2021-10-19 14:24:35,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:24:35,015 INFO L225 Difference]: With dead ends: 1618 [2021-10-19 14:24:35,015 INFO L226 Difference]: Without dead ends: 1616 [2021-10-19 14:24:35,016 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 4 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 264.1ms TimeCoverageRelationStatistics Valid=177, Invalid=375, Unknown=0, NotChecked=0, Total=552 [2021-10-19 14:24:35,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1616 states. [2021-10-19 14:24:35,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1616 to 1342. [2021-10-19 14:24:35,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1342 states, 1333 states have (on average 1.903225806451613) internal successors, (2537), 1341 states have internal predecessors, (2537), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:35,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1342 states to 1342 states and 2537 transitions. [2021-10-19 14:24:35,034 INFO L78 Accepts]: Start accepts. Automaton has 1342 states and 2537 transitions. Word has length 56 [2021-10-19 14:24:35,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:24:35,034 INFO L470 AbstractCegarLoop]: Abstraction has 1342 states and 2537 transitions. [2021-10-19 14:24:35,034 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:35,034 INFO L276 IsEmpty]: Start isEmpty. Operand 1342 states and 2537 transitions. [2021-10-19 14:24:35,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-19 14:24:35,035 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:24:35,035 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:24:35,035 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2021-10-19 14:24:35,036 INFO L402 AbstractCegarLoop]: === Iteration 59 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-10-19 14:24:35,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:24:35,036 INFO L82 PathProgramCache]: Analyzing trace with hash 1387153185, now seen corresponding path program 7 times [2021-10-19 14:24:35,036 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:24:35,036 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [397875583] [2021-10-19 14:24:35,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:24:35,036 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:24:35,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:24:35,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:24:35,180 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:24:35,180 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [397875583] [2021-10-19 14:24:35,180 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [397875583] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:24:35,181 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:24:35,181 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-19 14:24:35,181 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1536638269] [2021-10-19 14:24:35,181 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-19 14:24:35,181 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:24:35,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-19 14:24:35,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2021-10-19 14:24:35,181 INFO L87 Difference]: Start difference. First operand 1342 states and 2537 transitions. Second operand has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:36,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:24:36,266 INFO L93 Difference]: Finished difference Result 2373 states and 4430 transitions. [2021-10-19 14:24:36,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-10-19 14:24:36,267 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2021-10-19 14:24:36,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:24:36,269 INFO L225 Difference]: With dead ends: 2373 [2021-10-19 14:24:36,269 INFO L226 Difference]: Without dead ends: 2373 [2021-10-19 14:24:36,270 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 382.4ms TimeCoverageRelationStatistics Valid=348, Invalid=708, Unknown=0, NotChecked=0, Total=1056 [2021-10-19 14:24:36,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2373 states. [2021-10-19 14:24:36,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2373 to 1405. [2021-10-19 14:24:36,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1405 states, 1396 states have (on average 1.91189111747851) internal successors, (2669), 1404 states have internal predecessors, (2669), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:36,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1405 states to 1405 states and 2669 transitions. [2021-10-19 14:24:36,285 INFO L78 Accepts]: Start accepts. Automaton has 1405 states and 2669 transitions. Word has length 56 [2021-10-19 14:24:36,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:24:36,285 INFO L470 AbstractCegarLoop]: Abstraction has 1405 states and 2669 transitions. [2021-10-19 14:24:36,285 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:36,285 INFO L276 IsEmpty]: Start isEmpty. Operand 1405 states and 2669 transitions. [2021-10-19 14:24:36,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-19 14:24:36,286 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:24:36,286 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:24:36,286 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2021-10-19 14:24:36,286 INFO L402 AbstractCegarLoop]: === Iteration 60 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-10-19 14:24:36,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:24:36,288 INFO L82 PathProgramCache]: Analyzing trace with hash 1474821989, now seen corresponding path program 8 times [2021-10-19 14:24:36,288 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:24:36,288 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [774217786] [2021-10-19 14:24:36,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:24:36,288 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:24:36,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:24:36,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:24:36,400 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:24:36,401 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [774217786] [2021-10-19 14:24:36,401 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [774217786] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:24:36,401 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:24:36,401 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-19 14:24:36,401 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114601852] [2021-10-19 14:24:36,401 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-19 14:24:36,401 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:24:36,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-19 14:24:36,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2021-10-19 14:24:36,402 INFO L87 Difference]: Start difference. First operand 1405 states and 2669 transitions. Second operand has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:37,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:24:37,751 INFO L93 Difference]: Finished difference Result 3058 states and 5718 transitions. [2021-10-19 14:24:37,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-10-19 14:24:37,752 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2021-10-19 14:24:37,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:24:37,755 INFO L225 Difference]: With dead ends: 3058 [2021-10-19 14:24:37,755 INFO L226 Difference]: Without dead ends: 3058 [2021-10-19 14:24:37,755 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 351.3ms TimeCoverageRelationStatistics Valid=359, Invalid=763, Unknown=0, NotChecked=0, Total=1122 [2021-10-19 14:24:37,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3058 states. [2021-10-19 14:24:37,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3058 to 1598. [2021-10-19 14:24:37,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1598 states, 1589 states have (on average 1.9269981120201385) internal successors, (3062), 1597 states have internal predecessors, (3062), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:37,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1598 states to 1598 states and 3062 transitions. [2021-10-19 14:24:37,775 INFO L78 Accepts]: Start accepts. Automaton has 1598 states and 3062 transitions. Word has length 56 [2021-10-19 14:24:37,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:24:37,775 INFO L470 AbstractCegarLoop]: Abstraction has 1598 states and 3062 transitions. [2021-10-19 14:24:37,776 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:37,776 INFO L276 IsEmpty]: Start isEmpty. Operand 1598 states and 3062 transitions. [2021-10-19 14:24:37,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-19 14:24:37,777 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:24:37,777 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:24:37,777 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2021-10-19 14:24:37,778 INFO L402 AbstractCegarLoop]: === Iteration 61 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-10-19 14:24:37,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:24:37,778 INFO L82 PathProgramCache]: Analyzing trace with hash 1487508045, now seen corresponding path program 23 times [2021-10-19 14:24:37,778 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:24:37,778 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [727223543] [2021-10-19 14:24:37,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:24:37,778 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:24:37,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:24:37,900 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:24:37,900 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:24:37,900 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [727223543] [2021-10-19 14:24:37,900 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [727223543] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:24:37,901 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:24:37,901 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-19 14:24:37,901 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80726885] [2021-10-19 14:24:37,901 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-19 14:24:37,901 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:24:37,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-19 14:24:37,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2021-10-19 14:24:37,901 INFO L87 Difference]: Start difference. First operand 1598 states and 3062 transitions. Second operand has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:38,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:24:38,561 INFO L93 Difference]: Finished difference Result 2769 states and 5193 transitions. [2021-10-19 14:24:38,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-19 14:24:38,563 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2021-10-19 14:24:38,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:24:38,566 INFO L225 Difference]: With dead ends: 2769 [2021-10-19 14:24:38,566 INFO L226 Difference]: Without dead ends: 2745 [2021-10-19 14:24:38,567 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 209.1ms TimeCoverageRelationStatistics Valid=189, Invalid=461, Unknown=0, NotChecked=0, Total=650 [2021-10-19 14:24:38,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2745 states. [2021-10-19 14:24:38,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2745 to 1582. [2021-10-19 14:24:38,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1582 states, 1573 states have (on average 1.9237126509853784) internal successors, (3026), 1581 states have internal predecessors, (3026), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:38,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1582 states to 1582 states and 3026 transitions. [2021-10-19 14:24:38,582 INFO L78 Accepts]: Start accepts. Automaton has 1582 states and 3026 transitions. Word has length 56 [2021-10-19 14:24:38,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:24:38,582 INFO L470 AbstractCegarLoop]: Abstraction has 1582 states and 3026 transitions. [2021-10-19 14:24:38,582 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:38,582 INFO L276 IsEmpty]: Start isEmpty. Operand 1582 states and 3026 transitions. [2021-10-19 14:24:38,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-19 14:24:38,583 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:24:38,583 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:24:38,584 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2021-10-19 14:24:38,584 INFO L402 AbstractCegarLoop]: === Iteration 62 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-10-19 14:24:38,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:24:38,584 INFO L82 PathProgramCache]: Analyzing trace with hash 2049578181, now seen corresponding path program 22 times [2021-10-19 14:24:38,584 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:24:38,584 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1424437083] [2021-10-19 14:24:38,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:24:38,584 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:24:38,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:24:38,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:24:38,786 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:24:38,786 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1424437083] [2021-10-19 14:24:38,786 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1424437083] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:24:38,786 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:24:38,786 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-19 14:24:38,786 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144477293] [2021-10-19 14:24:38,786 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-19 14:24:38,786 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:24:38,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-19 14:24:38,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2021-10-19 14:24:38,787 INFO L87 Difference]: Start difference. First operand 1582 states and 3026 transitions. Second operand has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:39,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:24:39,539 INFO L93 Difference]: Finished difference Result 2574 states and 4875 transitions. [2021-10-19 14:24:39,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-10-19 14:24:39,539 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2021-10-19 14:24:39,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:24:39,542 INFO L225 Difference]: With dead ends: 2574 [2021-10-19 14:24:39,542 INFO L226 Difference]: Without dead ends: 2573 [2021-10-19 14:24:39,543 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 4 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 257.2ms TimeCoverageRelationStatistics Valid=168, Invalid=384, Unknown=0, NotChecked=0, Total=552 [2021-10-19 14:24:39,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2573 states. [2021-10-19 14:24:39,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2573 to 1597. [2021-10-19 14:24:39,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1597 states, 1588 states have (on average 1.9244332493702772) internal successors, (3056), 1596 states have internal predecessors, (3056), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:39,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1597 states to 1597 states and 3056 transitions. [2021-10-19 14:24:39,577 INFO L78 Accepts]: Start accepts. Automaton has 1597 states and 3056 transitions. Word has length 56 [2021-10-19 14:24:39,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:24:39,577 INFO L470 AbstractCegarLoop]: Abstraction has 1597 states and 3056 transitions. [2021-10-19 14:24:39,577 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:39,577 INFO L276 IsEmpty]: Start isEmpty. Operand 1597 states and 3056 transitions. [2021-10-19 14:24:39,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-19 14:24:39,578 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:24:39,578 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:24:39,578 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2021-10-19 14:24:39,579 INFO L402 AbstractCegarLoop]: === Iteration 63 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-10-19 14:24:39,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:24:39,579 INFO L82 PathProgramCache]: Analyzing trace with hash -1747318577, now seen corresponding path program 23 times [2021-10-19 14:24:39,579 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:24:39,579 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914372487] [2021-10-19 14:24:39,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:24:39,579 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:24:39,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:24:39,764 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:24:39,764 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:24:39,764 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [914372487] [2021-10-19 14:24:39,764 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [914372487] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:24:39,764 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:24:39,764 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-19 14:24:39,764 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1691766977] [2021-10-19 14:24:39,765 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-19 14:24:39,765 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:24:39,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-19 14:24:39,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2021-10-19 14:24:39,765 INFO L87 Difference]: Start difference. First operand 1597 states and 3056 transitions. Second operand has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:40,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:24:40,435 INFO L93 Difference]: Finished difference Result 2643 states and 5011 transitions. [2021-10-19 14:24:40,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-19 14:24:40,436 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2021-10-19 14:24:40,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:24:40,438 INFO L225 Difference]: With dead ends: 2643 [2021-10-19 14:24:40,438 INFO L226 Difference]: Without dead ends: 2641 [2021-10-19 14:24:40,438 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 1 SyntacticMatches, 4 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 222.7ms TimeCoverageRelationStatistics Valid=182, Invalid=418, Unknown=0, NotChecked=0, Total=600 [2021-10-19 14:24:40,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2641 states. [2021-10-19 14:24:40,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2641 to 1615. [2021-10-19 14:24:40,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1615 states, 1606 states have (on average 1.925280199252802) internal successors, (3092), 1614 states have internal predecessors, (3092), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:40,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1615 states to 1615 states and 3092 transitions. [2021-10-19 14:24:40,453 INFO L78 Accepts]: Start accepts. Automaton has 1615 states and 3092 transitions. Word has length 56 [2021-10-19 14:24:40,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:24:40,454 INFO L470 AbstractCegarLoop]: Abstraction has 1615 states and 3092 transitions. [2021-10-19 14:24:40,454 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:40,454 INFO L276 IsEmpty]: Start isEmpty. Operand 1615 states and 3092 transitions. [2021-10-19 14:24:40,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-19 14:24:40,455 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:24:40,455 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:24:40,455 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2021-10-19 14:24:40,455 INFO L402 AbstractCegarLoop]: === Iteration 64 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-10-19 14:24:40,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:24:40,455 INFO L82 PathProgramCache]: Analyzing trace with hash -1840288379, now seen corresponding path program 24 times [2021-10-19 14:24:40,455 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:24:40,456 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1957705160] [2021-10-19 14:24:40,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:24:40,456 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:24:40,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:24:40,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:24:40,592 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:24:40,592 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1957705160] [2021-10-19 14:24:40,592 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1957705160] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:24:40,592 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:24:40,592 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-19 14:24:40,592 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [754950722] [2021-10-19 14:24:40,592 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-19 14:24:40,592 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:24:40,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-19 14:24:40,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2021-10-19 14:24:40,593 INFO L87 Difference]: Start difference. First operand 1615 states and 3092 transitions. Second operand has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:41,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:24:41,168 INFO L93 Difference]: Finished difference Result 2702 states and 5127 transitions. [2021-10-19 14:24:41,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-19 14:24:41,168 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2021-10-19 14:24:41,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:24:41,171 INFO L225 Difference]: With dead ends: 2702 [2021-10-19 14:24:41,171 INFO L226 Difference]: Without dead ends: 2699 [2021-10-19 14:24:41,171 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 1 SyntacticMatches, 4 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 192.4ms TimeCoverageRelationStatistics Valid=179, Invalid=421, Unknown=0, NotChecked=0, Total=600 [2021-10-19 14:24:41,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2699 states. [2021-10-19 14:24:41,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2699 to 1633. [2021-10-19 14:24:41,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1633 states, 1624 states have (on average 1.9261083743842364) internal successors, (3128), 1632 states have internal predecessors, (3128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:41,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1633 states to 1633 states and 3128 transitions. [2021-10-19 14:24:41,187 INFO L78 Accepts]: Start accepts. Automaton has 1633 states and 3128 transitions. Word has length 56 [2021-10-19 14:24:41,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:24:41,188 INFO L470 AbstractCegarLoop]: Abstraction has 1633 states and 3128 transitions. [2021-10-19 14:24:41,188 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:41,188 INFO L276 IsEmpty]: Start isEmpty. Operand 1633 states and 3128 transitions. [2021-10-19 14:24:41,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-19 14:24:41,189 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:24:41,189 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:24:41,189 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63 [2021-10-19 14:24:41,189 INFO L402 AbstractCegarLoop]: === Iteration 65 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-10-19 14:24:41,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:24:41,189 INFO L82 PathProgramCache]: Analyzing trace with hash -918898673, now seen corresponding path program 25 times [2021-10-19 14:24:41,190 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:24:41,190 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1362789780] [2021-10-19 14:24:41,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:24:41,190 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:24:41,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:24:41,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:24:41,355 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:24:41,355 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1362789780] [2021-10-19 14:24:41,355 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1362789780] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:24:41,355 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:24:41,355 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-19 14:24:41,355 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575919098] [2021-10-19 14:24:41,355 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-19 14:24:41,356 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:24:41,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-19 14:24:41,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2021-10-19 14:24:41,356 INFO L87 Difference]: Start difference. First operand 1633 states and 3128 transitions. Second operand has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:42,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:24:42,275 INFO L93 Difference]: Finished difference Result 2761 states and 5243 transitions. [2021-10-19 14:24:42,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-19 14:24:42,275 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2021-10-19 14:24:42,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:24:42,278 INFO L225 Difference]: With dead ends: 2761 [2021-10-19 14:24:42,278 INFO L226 Difference]: Without dead ends: 2757 [2021-10-19 14:24:42,278 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 1 SyntacticMatches, 4 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 257.8ms TimeCoverageRelationStatistics Valid=178, Invalid=422, Unknown=0, NotChecked=0, Total=600 [2021-10-19 14:24:42,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2757 states. [2021-10-19 14:24:42,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2757 to 1651. [2021-10-19 14:24:42,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1651 states, 1642 states have (on average 1.9269183922046285) internal successors, (3164), 1650 states have internal predecessors, (3164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:42,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1651 states to 1651 states and 3164 transitions. [2021-10-19 14:24:42,295 INFO L78 Accepts]: Start accepts. Automaton has 1651 states and 3164 transitions. Word has length 56 [2021-10-19 14:24:42,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:24:42,295 INFO L470 AbstractCegarLoop]: Abstraction has 1651 states and 3164 transitions. [2021-10-19 14:24:42,295 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:42,295 INFO L276 IsEmpty]: Start isEmpty. Operand 1651 states and 3164 transitions. [2021-10-19 14:24:42,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-19 14:24:42,296 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:24:42,296 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:24:42,296 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64 [2021-10-19 14:24:42,296 INFO L402 AbstractCegarLoop]: === Iteration 66 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-10-19 14:24:42,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:24:42,297 INFO L82 PathProgramCache]: Analyzing trace with hash -477645243, now seen corresponding path program 26 times [2021-10-19 14:24:42,297 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:24:42,297 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1320805802] [2021-10-19 14:24:42,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:24:42,303 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:24:42,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:24:42,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:24:42,472 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:24:42,472 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1320805802] [2021-10-19 14:24:42,473 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1320805802] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:24:42,473 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:24:42,473 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-19 14:24:42,473 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651427300] [2021-10-19 14:24:42,473 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-19 14:24:42,473 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:24:42,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-19 14:24:42,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2021-10-19 14:24:42,473 INFO L87 Difference]: Start difference. First operand 1651 states and 3164 transitions. Second operand has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:43,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:24:43,025 INFO L93 Difference]: Finished difference Result 2902 states and 5469 transitions. [2021-10-19 14:24:43,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-19 14:24:43,025 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2021-10-19 14:24:43,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:24:43,028 INFO L225 Difference]: With dead ends: 2902 [2021-10-19 14:24:43,028 INFO L226 Difference]: Without dead ends: 2898 [2021-10-19 14:24:43,029 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 1 SyntacticMatches, 4 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 183.2ms TimeCoverageRelationStatistics Valid=179, Invalid=421, Unknown=0, NotChecked=0, Total=600 [2021-10-19 14:24:43,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2898 states. [2021-10-19 14:24:43,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2898 to 1575. [2021-10-19 14:24:43,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1575 states, 1566 states have (on average 1.9195402298850575) internal successors, (3006), 1574 states have internal predecessors, (3006), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:43,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1575 states to 1575 states and 3006 transitions. [2021-10-19 14:24:43,046 INFO L78 Accepts]: Start accepts. Automaton has 1575 states and 3006 transitions. Word has length 56 [2021-10-19 14:24:43,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:24:43,046 INFO L470 AbstractCegarLoop]: Abstraction has 1575 states and 3006 transitions. [2021-10-19 14:24:43,046 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:43,046 INFO L276 IsEmpty]: Start isEmpty. Operand 1575 states and 3006 transitions. [2021-10-19 14:24:43,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-19 14:24:43,047 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:24:43,047 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:24:43,047 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65 [2021-10-19 14:24:43,047 INFO L402 AbstractCegarLoop]: === Iteration 67 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-10-19 14:24:43,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:24:43,048 INFO L82 PathProgramCache]: Analyzing trace with hash 1079752627, now seen corresponding path program 5 times [2021-10-19 14:24:43,048 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:24:43,048 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476539643] [2021-10-19 14:24:43,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:24:43,048 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:24:43,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:24:43,159 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:24:43,159 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:24:43,159 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [476539643] [2021-10-19 14:24:43,159 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [476539643] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:24:43,159 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:24:43,159 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-19 14:24:43,159 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248818571] [2021-10-19 14:24:43,159 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-19 14:24:43,160 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:24:43,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-19 14:24:43,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2021-10-19 14:24:43,160 INFO L87 Difference]: Start difference. First operand 1575 states and 3006 transitions. Second operand has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:43,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:24:43,965 INFO L93 Difference]: Finished difference Result 2756 states and 5180 transitions. [2021-10-19 14:24:43,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-10-19 14:24:43,966 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2021-10-19 14:24:43,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:24:43,968 INFO L225 Difference]: With dead ends: 2756 [2021-10-19 14:24:43,968 INFO L226 Difference]: Without dead ends: 2732 [2021-10-19 14:24:43,969 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 167 ImplicationChecksByTransitivity, 284.7ms TimeCoverageRelationStatistics Valid=435, Invalid=971, Unknown=0, NotChecked=0, Total=1406 [2021-10-19 14:24:43,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2732 states. [2021-10-19 14:24:44,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2732 to 1297. [2021-10-19 14:24:44,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1297 states, 1288 states have (on average 1.9021739130434783) internal successors, (2450), 1296 states have internal predecessors, (2450), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:44,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1297 states to 1297 states and 2450 transitions. [2021-10-19 14:24:44,006 INFO L78 Accepts]: Start accepts. Automaton has 1297 states and 2450 transitions. Word has length 56 [2021-10-19 14:24:44,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:24:44,006 INFO L470 AbstractCegarLoop]: Abstraction has 1297 states and 2450 transitions. [2021-10-19 14:24:44,006 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:44,006 INFO L276 IsEmpty]: Start isEmpty. Operand 1297 states and 2450 transitions. [2021-10-19 14:24:44,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-19 14:24:44,007 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:24:44,007 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:24:44,008 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66 [2021-10-19 14:24:44,008 INFO L402 AbstractCegarLoop]: === Iteration 68 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-10-19 14:24:44,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:24:44,008 INFO L82 PathProgramCache]: Analyzing trace with hash -201330911, now seen corresponding path program 9 times [2021-10-19 14:24:44,008 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:24:44,008 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2001843064] [2021-10-19 14:24:44,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:24:44,008 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:24:44,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:24:44,109 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:24:44,109 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:24:44,109 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2001843064] [2021-10-19 14:24:44,109 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2001843064] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:24:44,109 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:24:44,109 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-19 14:24:44,110 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318280205] [2021-10-19 14:24:44,110 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-19 14:24:44,110 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:24:44,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-19 14:24:44,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2021-10-19 14:24:44,110 INFO L87 Difference]: Start difference. First operand 1297 states and 2450 transitions. Second operand has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:45,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:24:45,121 INFO L93 Difference]: Finished difference Result 2156 states and 4027 transitions. [2021-10-19 14:24:45,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-10-19 14:24:45,121 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2021-10-19 14:24:45,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:24:45,123 INFO L225 Difference]: With dead ends: 2156 [2021-10-19 14:24:45,124 INFO L226 Difference]: Without dead ends: 2156 [2021-10-19 14:24:45,124 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 336.0ms TimeCoverageRelationStatistics Valid=359, Invalid=763, Unknown=0, NotChecked=0, Total=1122 [2021-10-19 14:24:45,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2156 states. [2021-10-19 14:24:45,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2156 to 1186. [2021-10-19 14:24:45,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1186 states, 1179 states have (on average 1.909245122985581) internal successors, (2251), 1185 states have internal predecessors, (2251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:45,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1186 states to 1186 states and 2251 transitions. [2021-10-19 14:24:45,136 INFO L78 Accepts]: Start accepts. Automaton has 1186 states and 2251 transitions. Word has length 56 [2021-10-19 14:24:45,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:24:45,136 INFO L470 AbstractCegarLoop]: Abstraction has 1186 states and 2251 transitions. [2021-10-19 14:24:45,138 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:45,138 INFO L276 IsEmpty]: Start isEmpty. Operand 1186 states and 2251 transitions. [2021-10-19 14:24:45,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-19 14:24:45,138 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:24:45,139 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:24:45,139 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67 [2021-10-19 14:24:45,139 INFO L402 AbstractCegarLoop]: === Iteration 69 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-10-19 14:24:45,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:24:45,139 INFO L82 PathProgramCache]: Analyzing trace with hash -188644855, now seen corresponding path program 24 times [2021-10-19 14:24:45,139 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:24:45,139 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1521912721] [2021-10-19 14:24:45,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:24:45,139 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:24:45,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:24:45,253 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:24:45,253 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:24:45,253 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1521912721] [2021-10-19 14:24:45,253 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1521912721] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:24:45,253 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:24:45,253 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-19 14:24:45,254 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473213303] [2021-10-19 14:24:45,254 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-19 14:24:45,254 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:24:45,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-19 14:24:45,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2021-10-19 14:24:45,254 INFO L87 Difference]: Start difference. First operand 1186 states and 2251 transitions. Second operand has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:45,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:24:45,588 INFO L93 Difference]: Finished difference Result 2042 states and 3829 transitions. [2021-10-19 14:24:45,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-19 14:24:45,588 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2021-10-19 14:24:45,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:24:45,590 INFO L225 Difference]: With dead ends: 2042 [2021-10-19 14:24:45,591 INFO L226 Difference]: Without dead ends: 2018 [2021-10-19 14:24:45,591 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 143.9ms TimeCoverageRelationStatistics Valid=175, Invalid=425, Unknown=0, NotChecked=0, Total=600 [2021-10-19 14:24:45,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2018 states. [2021-10-19 14:24:45,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2018 to 1230. [2021-10-19 14:24:45,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1230 states, 1223 states have (on average 1.9125102207686018) internal successors, (2339), 1229 states have internal predecessors, (2339), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:45,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1230 states to 1230 states and 2339 transitions. [2021-10-19 14:24:45,607 INFO L78 Accepts]: Start accepts. Automaton has 1230 states and 2339 transitions. Word has length 56 [2021-10-19 14:24:45,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:24:45,608 INFO L470 AbstractCegarLoop]: Abstraction has 1230 states and 2339 transitions. [2021-10-19 14:24:45,608 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:45,608 INFO L276 IsEmpty]: Start isEmpty. Operand 1230 states and 2339 transitions. [2021-10-19 14:24:45,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-19 14:24:45,609 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:24:45,609 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:24:45,609 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68 [2021-10-19 14:24:45,609 INFO L402 AbstractCegarLoop]: === Iteration 70 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-10-19 14:24:45,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:24:45,609 INFO L82 PathProgramCache]: Analyzing trace with hash 1008801733, now seen corresponding path program 27 times [2021-10-19 14:24:45,609 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:24:45,609 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1903244660] [2021-10-19 14:24:45,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:24:45,610 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:24:45,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:24:45,774 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:24:45,774 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:24:45,774 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1903244660] [2021-10-19 14:24:45,774 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1903244660] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:24:45,774 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:24:45,775 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-19 14:24:45,775 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1530643152] [2021-10-19 14:24:45,775 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-19 14:24:45,775 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:24:45,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-19 14:24:45,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2021-10-19 14:24:45,775 INFO L87 Difference]: Start difference. First operand 1230 states and 2339 transitions. Second operand has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:46,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:24:46,412 INFO L93 Difference]: Finished difference Result 2037 states and 3830 transitions. [2021-10-19 14:24:46,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-19 14:24:46,412 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2021-10-19 14:24:46,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:24:46,415 INFO L225 Difference]: With dead ends: 2037 [2021-10-19 14:24:46,415 INFO L226 Difference]: Without dead ends: 2033 [2021-10-19 14:24:46,415 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 1 SyntacticMatches, 4 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 180.8ms TimeCoverageRelationStatistics Valid=179, Invalid=421, Unknown=0, NotChecked=0, Total=600 [2021-10-19 14:24:46,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2033 states. [2021-10-19 14:24:46,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2033 to 1152. [2021-10-19 14:24:46,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1152 states, 1147 states have (on average 1.9084568439407148) internal successors, (2189), 1151 states have internal predecessors, (2189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:46,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1152 states to 1152 states and 2189 transitions. [2021-10-19 14:24:46,426 INFO L78 Accepts]: Start accepts. Automaton has 1152 states and 2189 transitions. Word has length 56 [2021-10-19 14:24:46,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:24:46,426 INFO L470 AbstractCegarLoop]: Abstraction has 1152 states and 2189 transitions. [2021-10-19 14:24:46,426 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:46,426 INFO L276 IsEmpty]: Start isEmpty. Operand 1152 states and 2189 transitions. [2021-10-19 14:24:46,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-19 14:24:46,427 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:24:46,427 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:24:46,427 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable69 [2021-10-19 14:24:46,427 INFO L402 AbstractCegarLoop]: === Iteration 71 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-10-19 14:24:46,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:24:46,427 INFO L82 PathProgramCache]: Analyzing trace with hash -1728767693, now seen corresponding path program 6 times [2021-10-19 14:24:46,427 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:24:46,427 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [389565111] [2021-10-19 14:24:46,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:24:46,428 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:24:46,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:24:46,514 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:24:46,514 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:24:46,514 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [389565111] [2021-10-19 14:24:46,514 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [389565111] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:24:46,514 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:24:46,514 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-19 14:24:46,514 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353192302] [2021-10-19 14:24:46,514 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-19 14:24:46,515 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:24:46,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-19 14:24:46,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2021-10-19 14:24:46,515 INFO L87 Difference]: Start difference. First operand 1152 states and 2189 transitions. Second operand has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:47,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:24:47,235 INFO L93 Difference]: Finished difference Result 2015 states and 3786 transitions. [2021-10-19 14:24:47,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-10-19 14:24:47,235 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2021-10-19 14:24:47,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:24:47,237 INFO L225 Difference]: With dead ends: 2015 [2021-10-19 14:24:47,237 INFO L226 Difference]: Without dead ends: 1991 [2021-10-19 14:24:47,238 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 118 ImplicationChecksByTransitivity, 309.1ms TimeCoverageRelationStatistics Valid=343, Invalid=779, Unknown=0, NotChecked=0, Total=1122 [2021-10-19 14:24:47,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1991 states. [2021-10-19 14:24:47,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1991 to 836. [2021-10-19 14:24:47,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 836 states, 832 states have (on average 1.8846153846153846) internal successors, (1568), 835 states have internal predecessors, (1568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:47,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 836 states to 836 states and 1568 transitions. [2021-10-19 14:24:47,247 INFO L78 Accepts]: Start accepts. Automaton has 836 states and 1568 transitions. Word has length 56 [2021-10-19 14:24:47,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:24:47,248 INFO L470 AbstractCegarLoop]: Abstraction has 836 states and 1568 transitions. [2021-10-19 14:24:47,248 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:47,248 INFO L276 IsEmpty]: Start isEmpty. Operand 836 states and 1568 transitions. [2021-10-19 14:24:47,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-19 14:24:47,248 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:24:47,248 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:24:47,248 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70 [2021-10-19 14:24:47,249 INFO L402 AbstractCegarLoop]: === Iteration 72 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-10-19 14:24:47,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:24:47,249 INFO L82 PathProgramCache]: Analyzing trace with hash 499629173, now seen corresponding path program 25 times [2021-10-19 14:24:47,249 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:24:47,249 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784428010] [2021-10-19 14:24:47,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:24:47,249 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:24:47,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:24:47,434 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:24:47,434 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:24:47,434 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1784428010] [2021-10-19 14:24:47,434 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1784428010] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:24:47,434 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:24:47,434 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-19 14:24:47,434 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [70052853] [2021-10-19 14:24:47,435 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-19 14:24:47,435 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:24:47,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-19 14:24:47,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2021-10-19 14:24:47,435 INFO L87 Difference]: Start difference. First operand 836 states and 1568 transitions. Second operand has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:47,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:24:47,940 INFO L93 Difference]: Finished difference Result 1520 states and 2852 transitions. [2021-10-19 14:24:47,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-19 14:24:47,940 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2021-10-19 14:24:47,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:24:47,941 INFO L225 Difference]: With dead ends: 1520 [2021-10-19 14:24:47,941 INFO L226 Difference]: Without dead ends: 1496 [2021-10-19 14:24:47,942 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 1 SyntacticMatches, 4 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 257.5ms TimeCoverageRelationStatistics Valid=174, Invalid=426, Unknown=0, NotChecked=0, Total=600 [2021-10-19 14:24:47,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1496 states. [2021-10-19 14:24:47,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1496 to 815. [2021-10-19 14:24:47,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 815 states, 811 states have (on average 1.8828606658446363) internal successors, (1527), 814 states have internal predecessors, (1527), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:47,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 815 states to 815 states and 1527 transitions. [2021-10-19 14:24:47,952 INFO L78 Accepts]: Start accepts. Automaton has 815 states and 1527 transitions. Word has length 56 [2021-10-19 14:24:47,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:24:47,952 INFO L470 AbstractCegarLoop]: Abstraction has 815 states and 1527 transitions. [2021-10-19 14:24:47,952 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:47,952 INFO L276 IsEmpty]: Start isEmpty. Operand 815 states and 1527 transitions. [2021-10-19 14:24:47,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-19 14:24:47,954 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:24:47,954 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:24:47,954 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71 [2021-10-19 14:24:47,955 INFO L402 AbstractCegarLoop]: === Iteration 73 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-10-19 14:24:47,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:24:47,955 INFO L82 PathProgramCache]: Analyzing trace with hash -725734419, now seen corresponding path program 26 times [2021-10-19 14:24:47,955 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:24:47,955 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1947885380] [2021-10-19 14:24:47,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:24:47,955 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:24:47,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:24:48,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:24:48,111 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:24:48,111 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1947885380] [2021-10-19 14:24:48,111 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1947885380] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:24:48,111 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:24:48,111 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-19 14:24:48,111 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825980954] [2021-10-19 14:24:48,112 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-19 14:24:48,112 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:24:48,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-19 14:24:48,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2021-10-19 14:24:48,112 INFO L87 Difference]: Start difference. First operand 815 states and 1527 transitions. Second operand has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:48,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:24:48,508 INFO L93 Difference]: Finished difference Result 1457 states and 2729 transitions. [2021-10-19 14:24:48,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-10-19 14:24:48,509 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2021-10-19 14:24:48,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:24:48,510 INFO L225 Difference]: With dead ends: 1457 [2021-10-19 14:24:48,510 INFO L226 Difference]: Without dead ends: 1451 [2021-10-19 14:24:48,510 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 4 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 173.0ms TimeCoverageRelationStatistics Valid=164, Invalid=388, Unknown=0, NotChecked=0, Total=552 [2021-10-19 14:24:48,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1451 states. [2021-10-19 14:24:48,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1451 to 812. [2021-10-19 14:24:48,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 812 states, 808 states have (on average 1.8824257425742574) internal successors, (1521), 811 states have internal predecessors, (1521), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:48,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 812 states to 812 states and 1521 transitions. [2021-10-19 14:24:48,518 INFO L78 Accepts]: Start accepts. Automaton has 812 states and 1521 transitions. Word has length 56 [2021-10-19 14:24:48,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:24:48,518 INFO L470 AbstractCegarLoop]: Abstraction has 812 states and 1521 transitions. [2021-10-19 14:24:48,518 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:48,518 INFO L276 IsEmpty]: Start isEmpty. Operand 812 states and 1521 transitions. [2021-10-19 14:24:48,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-19 14:24:48,519 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:24:48,519 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:24:48,519 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72 [2021-10-19 14:24:48,519 INFO L402 AbstractCegarLoop]: === Iteration 74 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-10-19 14:24:48,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:24:48,520 INFO L82 PathProgramCache]: Analyzing trace with hash 863064779, now seen corresponding path program 27 times [2021-10-19 14:24:48,520 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:24:48,520 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1728658779] [2021-10-19 14:24:48,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:24:48,520 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:24:48,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:24:48,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:24:48,740 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:24:48,740 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1728658779] [2021-10-19 14:24:48,740 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1728658779] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:24:48,740 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:24:48,740 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-19 14:24:48,740 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1480975123] [2021-10-19 14:24:48,740 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-19 14:24:48,740 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:24:48,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-19 14:24:48,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2021-10-19 14:24:48,741 INFO L87 Difference]: Start difference. First operand 812 states and 1521 transitions. Second operand has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:49,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:24:49,348 INFO L93 Difference]: Finished difference Result 1493 states and 2799 transitions. [2021-10-19 14:24:49,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-19 14:24:49,348 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2021-10-19 14:24:49,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:24:49,350 INFO L225 Difference]: With dead ends: 1493 [2021-10-19 14:24:49,350 INFO L226 Difference]: Without dead ends: 1481 [2021-10-19 14:24:49,350 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 1 SyntacticMatches, 4 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 269.2ms TimeCoverageRelationStatistics Valid=178, Invalid=422, Unknown=0, NotChecked=0, Total=600 [2021-10-19 14:24:49,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1481 states. [2021-10-19 14:24:49,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1481 to 809. [2021-10-19 14:24:49,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 809 states, 805 states have (on average 1.8819875776397517) internal successors, (1515), 808 states have internal predecessors, (1515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:49,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 809 states to 809 states and 1515 transitions. [2021-10-19 14:24:49,361 INFO L78 Accepts]: Start accepts. Automaton has 809 states and 1515 transitions. Word has length 56 [2021-10-19 14:24:49,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:24:49,361 INFO L470 AbstractCegarLoop]: Abstraction has 809 states and 1515 transitions. [2021-10-19 14:24:49,361 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:49,361 INFO L276 IsEmpty]: Start isEmpty. Operand 809 states and 1515 transitions. [2021-10-19 14:24:49,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-19 14:24:49,362 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:24:49,362 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:24:49,362 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73 [2021-10-19 14:24:49,362 INFO L402 AbstractCegarLoop]: === Iteration 75 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-10-19 14:24:49,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:24:49,362 INFO L82 PathProgramCache]: Analyzing trace with hash -1433718739, now seen corresponding path program 28 times [2021-10-19 14:24:49,362 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:24:49,362 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [792288864] [2021-10-19 14:24:49,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:24:49,363 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:24:49,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:24:49,554 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:24:49,555 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:24:49,555 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [792288864] [2021-10-19 14:24:49,555 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [792288864] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:24:49,555 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:24:49,555 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-19 14:24:49,555 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504635111] [2021-10-19 14:24:49,555 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-19 14:24:49,555 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:24:49,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-19 14:24:49,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2021-10-19 14:24:49,556 INFO L87 Difference]: Start difference. First operand 809 states and 1515 transitions. Second operand has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:50,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:24:50,184 INFO L93 Difference]: Finished difference Result 1456 states and 2733 transitions. [2021-10-19 14:24:50,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-19 14:24:50,184 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2021-10-19 14:24:50,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:24:50,186 INFO L225 Difference]: With dead ends: 1456 [2021-10-19 14:24:50,186 INFO L226 Difference]: Without dead ends: 1438 [2021-10-19 14:24:50,186 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 1 SyntacticMatches, 4 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 275.6ms TimeCoverageRelationStatistics Valid=175, Invalid=425, Unknown=0, NotChecked=0, Total=600 [2021-10-19 14:24:50,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1438 states. [2021-10-19 14:24:50,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1438 to 709. [2021-10-19 14:24:50,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 709 states, 706 states have (on average 1.8767705382436262) internal successors, (1325), 708 states have internal predecessors, (1325), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:50,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 709 states to 709 states and 1325 transitions. [2021-10-19 14:24:50,194 INFO L78 Accepts]: Start accepts. Automaton has 709 states and 1325 transitions. Word has length 56 [2021-10-19 14:24:50,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:24:50,194 INFO L470 AbstractCegarLoop]: Abstraction has 709 states and 1325 transitions. [2021-10-19 14:24:50,194 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:50,194 INFO L276 IsEmpty]: Start isEmpty. Operand 709 states and 1325 transitions. [2021-10-19 14:24:50,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-10-19 14:24:50,195 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:24:50,195 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:24:50,195 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74 [2021-10-19 14:24:50,195 INFO L402 AbstractCegarLoop]: === Iteration 76 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-10-19 14:24:50,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:24:50,195 INFO L82 PathProgramCache]: Analyzing trace with hash -1923213202, now seen corresponding path program 1 times [2021-10-19 14:24:50,195 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:24:50,195 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [847727789] [2021-10-19 14:24:50,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:24:50,195 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:24:50,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:24:50,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:24:50,527 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:24:50,528 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [847727789] [2021-10-19 14:24:50,528 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [847727789] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:24:50,528 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:24:50,528 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2021-10-19 14:24:50,528 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721865095] [2021-10-19 14:24:50,528 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-10-19 14:24:50,528 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:24:50,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-10-19 14:24:50,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=196, Unknown=0, NotChecked=0, Total=240 [2021-10-19 14:24:50,529 INFO L87 Difference]: Start difference. First operand 709 states and 1325 transitions. Second operand has 16 states, 15 states have (on average 4.8) internal successors, (72), 16 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:51,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:24:51,609 INFO L93 Difference]: Finished difference Result 1574 states and 2919 transitions. [2021-10-19 14:24:51,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-10-19 14:24:51,610 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 4.8) internal successors, (72), 16 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 72 [2021-10-19 14:24:51,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:24:51,611 INFO L225 Difference]: With dead ends: 1574 [2021-10-19 14:24:51,611 INFO L226 Difference]: Without dead ends: 1529 [2021-10-19 14:24:51,611 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 1 SyntacticMatches, 9 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 169 ImplicationChecksByTransitivity, 567.6ms TimeCoverageRelationStatistics Valid=392, Invalid=868, Unknown=0, NotChecked=0, Total=1260 [2021-10-19 14:24:51,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1529 states. [2021-10-19 14:24:51,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1529 to 1166. [2021-10-19 14:24:51,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1166 states, 1163 states have (on average 1.9028374892519346) internal successors, (2213), 1165 states have internal predecessors, (2213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:51,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1166 states to 1166 states and 2213 transitions. [2021-10-19 14:24:51,621 INFO L78 Accepts]: Start accepts. Automaton has 1166 states and 2213 transitions. Word has length 72 [2021-10-19 14:24:51,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:24:51,621 INFO L470 AbstractCegarLoop]: Abstraction has 1166 states and 2213 transitions. [2021-10-19 14:24:51,621 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 4.8) internal successors, (72), 16 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:51,622 INFO L276 IsEmpty]: Start isEmpty. Operand 1166 states and 2213 transitions. [2021-10-19 14:24:51,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-10-19 14:24:51,623 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:24:51,623 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:24:51,623 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75 [2021-10-19 14:24:51,623 INFO L402 AbstractCegarLoop]: === Iteration 77 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-10-19 14:24:51,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:24:51,623 INFO L82 PathProgramCache]: Analyzing trace with hash -2058958670, now seen corresponding path program 2 times [2021-10-19 14:24:51,623 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:24:51,623 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1628788432] [2021-10-19 14:24:51,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:24:51,623 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:24:51,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:24:51,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:24:51,971 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:24:51,971 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1628788432] [2021-10-19 14:24:51,971 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1628788432] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:24:51,971 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:24:51,972 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2021-10-19 14:24:51,972 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525492965] [2021-10-19 14:24:51,972 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-10-19 14:24:51,972 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:24:51,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-10-19 14:24:51,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=198, Unknown=0, NotChecked=0, Total=240 [2021-10-19 14:24:51,972 INFO L87 Difference]: Start difference. First operand 1166 states and 2213 transitions. Second operand has 16 states, 15 states have (on average 4.8) internal successors, (72), 16 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:53,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:24:53,089 INFO L93 Difference]: Finished difference Result 1914 states and 3558 transitions. [2021-10-19 14:24:53,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-10-19 14:24:53,090 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 4.8) internal successors, (72), 16 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 72 [2021-10-19 14:24:53,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:24:53,092 INFO L225 Difference]: With dead ends: 1914 [2021-10-19 14:24:53,092 INFO L226 Difference]: Without dead ends: 1886 [2021-10-19 14:24:53,092 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 1 SyntacticMatches, 9 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 179 ImplicationChecksByTransitivity, 566.4ms TimeCoverageRelationStatistics Valid=404, Invalid=928, Unknown=0, NotChecked=0, Total=1332 [2021-10-19 14:24:53,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1886 states. [2021-10-19 14:24:53,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1886 to 1320. [2021-10-19 14:24:53,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1320 states, 1317 states have (on average 1.9141989369779802) internal successors, (2521), 1319 states have internal predecessors, (2521), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:53,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1320 states to 1320 states and 2521 transitions. [2021-10-19 14:24:53,104 INFO L78 Accepts]: Start accepts. Automaton has 1320 states and 2521 transitions. Word has length 72 [2021-10-19 14:24:53,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:24:53,104 INFO L470 AbstractCegarLoop]: Abstraction has 1320 states and 2521 transitions. [2021-10-19 14:24:53,104 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 4.8) internal successors, (72), 16 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:53,104 INFO L276 IsEmpty]: Start isEmpty. Operand 1320 states and 2521 transitions. [2021-10-19 14:24:53,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-10-19 14:24:53,105 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:24:53,105 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:24:53,105 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76 [2021-10-19 14:24:53,105 INFO L402 AbstractCegarLoop]: === Iteration 78 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-10-19 14:24:53,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:24:53,105 INFO L82 PathProgramCache]: Analyzing trace with hash 9890723, now seen corresponding path program 1 times [2021-10-19 14:24:53,106 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:24:53,106 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1611281041] [2021-10-19 14:24:53,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:24:53,106 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:24:53,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:24:53,301 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:24:53,301 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:24:53,301 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1611281041] [2021-10-19 14:24:53,302 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1611281041] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:24:53,302 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:24:53,302 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-10-19 14:24:53,302 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [205928850] [2021-10-19 14:24:53,302 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-10-19 14:24:53,302 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:24:53,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-10-19 14:24:53,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2021-10-19 14:24:53,302 INFO L87 Difference]: Start difference. First operand 1320 states and 2521 transitions. Second operand has 14 states, 13 states have (on average 5.538461538461538) internal successors, (72), 14 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:53,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:24:53,662 INFO L93 Difference]: Finished difference Result 1464 states and 2784 transitions. [2021-10-19 14:24:53,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-19 14:24:53,662 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 5.538461538461538) internal successors, (72), 14 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 72 [2021-10-19 14:24:53,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:24:53,663 INFO L225 Difference]: With dead ends: 1464 [2021-10-19 14:24:53,663 INFO L226 Difference]: Without dead ends: 1046 [2021-10-19 14:24:53,663 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 170.9ms TimeCoverageRelationStatistics Valid=132, Invalid=288, Unknown=0, NotChecked=0, Total=420 [2021-10-19 14:24:53,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1046 states. [2021-10-19 14:24:53,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1046 to 1027. [2021-10-19 14:24:53,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1027 states, 1024 states have (on average 1.8818359375) internal successors, (1927), 1026 states have internal predecessors, (1927), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:53,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1027 states to 1027 states and 1927 transitions. [2021-10-19 14:24:53,672 INFO L78 Accepts]: Start accepts. Automaton has 1027 states and 1927 transitions. Word has length 72 [2021-10-19 14:24:53,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:24:53,672 INFO L470 AbstractCegarLoop]: Abstraction has 1027 states and 1927 transitions. [2021-10-19 14:24:53,672 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 5.538461538461538) internal successors, (72), 14 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:53,672 INFO L276 IsEmpty]: Start isEmpty. Operand 1027 states and 1927 transitions. [2021-10-19 14:24:53,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-10-19 14:24:53,673 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:24:53,673 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:24:53,673 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable77 [2021-10-19 14:24:53,673 INFO L402 AbstractCegarLoop]: === Iteration 79 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-10-19 14:24:53,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:24:53,673 INFO L82 PathProgramCache]: Analyzing trace with hash 778174958, now seen corresponding path program 3 times [2021-10-19 14:24:53,673 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:24:53,674 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [840809289] [2021-10-19 14:24:53,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:24:53,674 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:24:53,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:24:54,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:24:54,005 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:24:54,005 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [840809289] [2021-10-19 14:24:54,005 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [840809289] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:24:54,006 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:24:54,006 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2021-10-19 14:24:54,006 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [692083955] [2021-10-19 14:24:54,006 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-10-19 14:24:54,006 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:24:54,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-10-19 14:24:54,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=225, Unknown=0, NotChecked=0, Total=272 [2021-10-19 14:24:54,007 INFO L87 Difference]: Start difference. First operand 1027 states and 1927 transitions. Second operand has 17 states, 16 states have (on average 4.5) internal successors, (72), 17 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:55,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:24:55,185 INFO L93 Difference]: Finished difference Result 1740 states and 3185 transitions. [2021-10-19 14:24:55,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-10-19 14:24:55,186 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 4.5) internal successors, (72), 17 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 72 [2021-10-19 14:24:55,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:24:55,187 INFO L225 Difference]: With dead ends: 1740 [2021-10-19 14:24:55,187 INFO L226 Difference]: Without dead ends: 1486 [2021-10-19 14:24:55,188 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 1 SyntacticMatches, 8 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 212 ImplicationChecksByTransitivity, 817.7ms TimeCoverageRelationStatistics Valid=418, Invalid=988, Unknown=0, NotChecked=0, Total=1406 [2021-10-19 14:24:55,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1486 states. [2021-10-19 14:24:55,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1486 to 1069. [2021-10-19 14:24:55,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1069 states, 1066 states have (on average 1.8733583489681052) internal successors, (1997), 1068 states have internal predecessors, (1997), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:55,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1069 states to 1069 states and 1997 transitions. [2021-10-19 14:24:55,197 INFO L78 Accepts]: Start accepts. Automaton has 1069 states and 1997 transitions. Word has length 72 [2021-10-19 14:24:55,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:24:55,197 INFO L470 AbstractCegarLoop]: Abstraction has 1069 states and 1997 transitions. [2021-10-19 14:24:55,197 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 4.5) internal successors, (72), 17 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:55,197 INFO L276 IsEmpty]: Start isEmpty. Operand 1069 states and 1997 transitions. [2021-10-19 14:24:55,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-10-19 14:24:55,198 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:24:55,198 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:24:55,198 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable78 [2021-10-19 14:24:55,198 INFO L402 AbstractCegarLoop]: === Iteration 80 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-10-19 14:24:55,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:24:55,198 INFO L82 PathProgramCache]: Analyzing trace with hash -1411825555, now seen corresponding path program 2 times [2021-10-19 14:24:55,198 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:24:55,198 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1689743879] [2021-10-19 14:24:55,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:24:55,199 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:24:55,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:24:55,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:24:55,416 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:24:55,416 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1689743879] [2021-10-19 14:24:55,416 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1689743879] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:24:55,416 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:24:55,416 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-10-19 14:24:55,416 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [282470706] [2021-10-19 14:24:55,416 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-10-19 14:24:55,416 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:24:55,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-10-19 14:24:55,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2021-10-19 14:24:55,417 INFO L87 Difference]: Start difference. First operand 1069 states and 1997 transitions. Second operand has 14 states, 13 states have (on average 5.538461538461538) internal successors, (72), 14 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:55,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:24:55,862 INFO L93 Difference]: Finished difference Result 1306 states and 2403 transitions. [2021-10-19 14:24:55,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-19 14:24:55,862 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 5.538461538461538) internal successors, (72), 14 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 72 [2021-10-19 14:24:55,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:24:55,864 INFO L225 Difference]: With dead ends: 1306 [2021-10-19 14:24:55,864 INFO L226 Difference]: Without dead ends: 1222 [2021-10-19 14:24:55,864 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 1 SyntacticMatches, 5 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 237.0ms TimeCoverageRelationStatistics Valid=143, Invalid=319, Unknown=0, NotChecked=0, Total=462 [2021-10-19 14:24:55,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1222 states. [2021-10-19 14:24:55,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1222 to 1052. [2021-10-19 14:24:55,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1052 states, 1049 states have (on average 1.8703527168732126) internal successors, (1962), 1051 states have internal predecessors, (1962), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:55,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1052 states to 1052 states and 1962 transitions. [2021-10-19 14:24:55,872 INFO L78 Accepts]: Start accepts. Automaton has 1052 states and 1962 transitions. Word has length 72 [2021-10-19 14:24:55,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:24:55,872 INFO L470 AbstractCegarLoop]: Abstraction has 1052 states and 1962 transitions. [2021-10-19 14:24:55,872 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 5.538461538461538) internal successors, (72), 14 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:55,872 INFO L276 IsEmpty]: Start isEmpty. Operand 1052 states and 1962 transitions. [2021-10-19 14:24:55,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-10-19 14:24:55,873 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:24:55,873 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:24:55,873 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable79 [2021-10-19 14:24:55,873 INFO L402 AbstractCegarLoop]: === Iteration 81 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-10-19 14:24:55,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:24:55,873 INFO L82 PathProgramCache]: Analyzing trace with hash 1603017065, now seen corresponding path program 3 times [2021-10-19 14:24:55,874 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:24:55,874 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1909836994] [2021-10-19 14:24:55,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:24:55,874 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:24:55,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:24:56,109 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:24:56,109 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:24:56,109 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1909836994] [2021-10-19 14:24:56,109 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1909836994] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:24:56,109 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:24:56,109 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-10-19 14:24:56,109 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [161986653] [2021-10-19 14:24:56,110 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-10-19 14:24:56,110 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:24:56,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-10-19 14:24:56,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2021-10-19 14:24:56,110 INFO L87 Difference]: Start difference. First operand 1052 states and 1962 transitions. Second operand has 14 states, 13 states have (on average 5.538461538461538) internal successors, (72), 14 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:56,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:24:56,623 INFO L93 Difference]: Finished difference Result 1184 states and 2174 transitions. [2021-10-19 14:24:56,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-19 14:24:56,624 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 5.538461538461538) internal successors, (72), 14 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 72 [2021-10-19 14:24:56,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:24:56,625 INFO L225 Difference]: With dead ends: 1184 [2021-10-19 14:24:56,625 INFO L226 Difference]: Without dead ends: 1136 [2021-10-19 14:24:56,625 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 1 SyntacticMatches, 5 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 246.3ms TimeCoverageRelationStatistics Valid=147, Invalid=315, Unknown=0, NotChecked=0, Total=462 [2021-10-19 14:24:56,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1136 states. [2021-10-19 14:24:56,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1136 to 1055. [2021-10-19 14:24:56,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1055 states, 1052 states have (on average 1.8650190114068441) internal successors, (1962), 1054 states have internal predecessors, (1962), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:56,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1055 states to 1055 states and 1962 transitions. [2021-10-19 14:24:56,633 INFO L78 Accepts]: Start accepts. Automaton has 1055 states and 1962 transitions. Word has length 72 [2021-10-19 14:24:56,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:24:56,633 INFO L470 AbstractCegarLoop]: Abstraction has 1055 states and 1962 transitions. [2021-10-19 14:24:56,633 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 5.538461538461538) internal successors, (72), 14 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:56,633 INFO L276 IsEmpty]: Start isEmpty. Operand 1055 states and 1962 transitions. [2021-10-19 14:24:56,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-10-19 14:24:56,634 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:24:56,634 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:24:56,634 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80 [2021-10-19 14:24:56,634 INFO L402 AbstractCegarLoop]: === Iteration 82 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-10-19 14:24:56,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:24:56,634 INFO L82 PathProgramCache]: Analyzing trace with hash 1324319533, now seen corresponding path program 4 times [2021-10-19 14:24:56,634 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:24:56,634 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268288073] [2021-10-19 14:24:56,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:24:56,635 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:24:56,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:24:56,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:24:56,856 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:24:56,856 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1268288073] [2021-10-19 14:24:56,857 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1268288073] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:24:56,857 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:24:56,857 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-10-19 14:24:56,857 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [429520930] [2021-10-19 14:24:56,857 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-10-19 14:24:56,857 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:24:56,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-10-19 14:24:56,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2021-10-19 14:24:56,857 INFO L87 Difference]: Start difference. First operand 1055 states and 1962 transitions. Second operand has 14 states, 13 states have (on average 5.538461538461538) internal successors, (72), 14 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:57,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:24:57,248 INFO L93 Difference]: Finished difference Result 1161 states and 2122 transitions. [2021-10-19 14:24:57,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-19 14:24:57,249 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 5.538461538461538) internal successors, (72), 14 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 72 [2021-10-19 14:24:57,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:24:57,250 INFO L225 Difference]: With dead ends: 1161 [2021-10-19 14:24:57,250 INFO L226 Difference]: Without dead ends: 1023 [2021-10-19 14:24:57,250 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 1 SyntacticMatches, 5 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 240.7ms TimeCoverageRelationStatistics Valid=144, Invalid=318, Unknown=0, NotChecked=0, Total=462 [2021-10-19 14:24:57,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1023 states. [2021-10-19 14:24:57,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1023 to 935. [2021-10-19 14:24:57,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 935 states, 933 states have (on average 1.8617363344051447) internal successors, (1737), 934 states have internal predecessors, (1737), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:57,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 935 states to 935 states and 1737 transitions. [2021-10-19 14:24:57,257 INFO L78 Accepts]: Start accepts. Automaton has 935 states and 1737 transitions. Word has length 72 [2021-10-19 14:24:57,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:24:57,257 INFO L470 AbstractCegarLoop]: Abstraction has 935 states and 1737 transitions. [2021-10-19 14:24:57,258 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 5.538461538461538) internal successors, (72), 14 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:57,258 INFO L276 IsEmpty]: Start isEmpty. Operand 935 states and 1737 transitions. [2021-10-19 14:24:57,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-10-19 14:24:57,258 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:24:57,259 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:24:57,259 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81 [2021-10-19 14:24:57,259 INFO L402 AbstractCegarLoop]: === Iteration 83 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-10-19 14:24:57,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:24:57,259 INFO L82 PathProgramCache]: Analyzing trace with hash -1456328910, now seen corresponding path program 4 times [2021-10-19 14:24:57,259 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:24:57,259 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2083948867] [2021-10-19 14:24:57,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:24:57,259 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:24:57,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:24:57,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:24:57,593 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:24:57,593 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2083948867] [2021-10-19 14:24:57,593 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2083948867] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:24:57,593 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:24:57,593 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2021-10-19 14:24:57,593 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338632383] [2021-10-19 14:24:57,593 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-10-19 14:24:57,593 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:24:57,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-10-19 14:24:57,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=225, Unknown=0, NotChecked=0, Total=272 [2021-10-19 14:24:57,594 INFO L87 Difference]: Start difference. First operand 935 states and 1737 transitions. Second operand has 17 states, 16 states have (on average 4.5) internal successors, (72), 17 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:58,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:24:58,728 INFO L93 Difference]: Finished difference Result 1099 states and 2020 transitions. [2021-10-19 14:24:58,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-10-19 14:24:58,728 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 4.5) internal successors, (72), 17 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 72 [2021-10-19 14:24:58,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:24:58,729 INFO L225 Difference]: With dead ends: 1099 [2021-10-19 14:24:58,729 INFO L226 Difference]: Without dead ends: 803 [2021-10-19 14:24:58,729 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 1 SyntacticMatches, 8 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 212 ImplicationChecksByTransitivity, 743.8ms TimeCoverageRelationStatistics Valid=418, Invalid=988, Unknown=0, NotChecked=0, Total=1406 [2021-10-19 14:24:58,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 803 states. [2021-10-19 14:24:58,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 803 to 739. [2021-10-19 14:24:58,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 739 states, 737 states have (on average 1.824966078697422) internal successors, (1345), 738 states have internal predecessors, (1345), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:58,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 739 states to 739 states and 1345 transitions. [2021-10-19 14:24:58,735 INFO L78 Accepts]: Start accepts. Automaton has 739 states and 1345 transitions. Word has length 72 [2021-10-19 14:24:58,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:24:58,735 INFO L470 AbstractCegarLoop]: Abstraction has 739 states and 1345 transitions. [2021-10-19 14:24:58,735 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 4.5) internal successors, (72), 17 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:58,735 INFO L276 IsEmpty]: Start isEmpty. Operand 739 states and 1345 transitions. [2021-10-19 14:24:58,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-10-19 14:24:58,736 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:24:58,736 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:24:58,736 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable82 [2021-10-19 14:24:58,736 INFO L402 AbstractCegarLoop]: === Iteration 84 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-10-19 14:24:58,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:24:58,736 INFO L82 PathProgramCache]: Analyzing trace with hash -1127738589, now seen corresponding path program 5 times [2021-10-19 14:24:58,736 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:24:58,736 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845526563] [2021-10-19 14:24:58,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:24:58,737 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:24:58,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:24:59,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:24:59,020 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:24:59,020 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1845526563] [2021-10-19 14:24:59,020 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1845526563] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:24:59,020 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:24:59,020 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-10-19 14:24:59,020 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452620049] [2021-10-19 14:24:59,021 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-10-19 14:24:59,021 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:24:59,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-10-19 14:24:59,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2021-10-19 14:24:59,021 INFO L87 Difference]: Start difference. First operand 739 states and 1345 transitions. Second operand has 14 states, 13 states have (on average 5.538461538461538) internal successors, (72), 14 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:59,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:24:59,343 INFO L93 Difference]: Finished difference Result 786 states and 1405 transitions. [2021-10-19 14:24:59,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-19 14:24:59,343 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 5.538461538461538) internal successors, (72), 14 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 72 [2021-10-19 14:24:59,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:24:59,344 INFO L225 Difference]: With dead ends: 786 [2021-10-19 14:24:59,344 INFO L226 Difference]: Without dead ends: 760 [2021-10-19 14:24:59,344 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 5 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 195.9ms TimeCoverageRelationStatistics Valid=136, Invalid=284, Unknown=0, NotChecked=0, Total=420 [2021-10-19 14:24:59,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 760 states. [2021-10-19 14:24:59,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 760 to 737. [2021-10-19 14:24:59,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 737 states, 735 states have (on average 1.8244897959183672) internal successors, (1341), 736 states have internal predecessors, (1341), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:59,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 737 states to 737 states and 1341 transitions. [2021-10-19 14:24:59,349 INFO L78 Accepts]: Start accepts. Automaton has 737 states and 1341 transitions. Word has length 72 [2021-10-19 14:24:59,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:24:59,349 INFO L470 AbstractCegarLoop]: Abstraction has 737 states and 1341 transitions. [2021-10-19 14:24:59,349 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 5.538461538461538) internal successors, (72), 14 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:59,349 INFO L276 IsEmpty]: Start isEmpty. Operand 737 states and 1341 transitions. [2021-10-19 14:24:59,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-10-19 14:24:59,350 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:24:59,350 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:24:59,351 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable83 [2021-10-19 14:24:59,351 INFO L402 AbstractCegarLoop]: === Iteration 85 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-10-19 14:24:59,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:24:59,352 INFO L82 PathProgramCache]: Analyzing trace with hash -892755105, now seen corresponding path program 6 times [2021-10-19 14:24:59,352 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:24:59,352 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [743237178] [2021-10-19 14:24:59,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:24:59,353 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:24:59,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:24:59,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:24:59,581 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:24:59,581 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [743237178] [2021-10-19 14:24:59,581 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [743237178] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:24:59,581 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:24:59,581 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-10-19 14:24:59,581 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [940982337] [2021-10-19 14:24:59,581 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-10-19 14:24:59,581 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:24:59,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-10-19 14:24:59,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2021-10-19 14:24:59,582 INFO L87 Difference]: Start difference. First operand 737 states and 1341 transitions. Second operand has 14 states, 13 states have (on average 5.538461538461538) internal successors, (72), 14 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:59,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:24:59,994 INFO L93 Difference]: Finished difference Result 808 states and 1448 transitions. [2021-10-19 14:24:59,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-10-19 14:24:59,995 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 5.538461538461538) internal successors, (72), 14 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 72 [2021-10-19 14:24:59,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:24:59,995 INFO L225 Difference]: With dead ends: 808 [2021-10-19 14:24:59,995 INFO L226 Difference]: Without dead ends: 758 [2021-10-19 14:24:59,996 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 5 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 202.2ms TimeCoverageRelationStatistics Valid=164, Invalid=342, Unknown=0, NotChecked=0, Total=506 [2021-10-19 14:24:59,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 758 states. [2021-10-19 14:25:00,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 758 to 735. [2021-10-19 14:25:00,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 735 states, 733 states have (on average 1.8240109140518417) internal successors, (1337), 734 states have internal predecessors, (1337), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:00,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 735 states to 735 states and 1337 transitions. [2021-10-19 14:25:00,002 INFO L78 Accepts]: Start accepts. Automaton has 735 states and 1337 transitions. Word has length 72 [2021-10-19 14:25:00,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:25:00,002 INFO L470 AbstractCegarLoop]: Abstraction has 735 states and 1337 transitions. [2021-10-19 14:25:00,002 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 5.538461538461538) internal successors, (72), 14 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:00,003 INFO L276 IsEmpty]: Start isEmpty. Operand 735 states and 1337 transitions. [2021-10-19 14:25:00,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-10-19 14:25:00,003 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:25:00,004 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:25:00,004 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable84 [2021-10-19 14:25:00,004 INFO L402 AbstractCegarLoop]: === Iteration 86 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-10-19 14:25:00,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:25:00,004 INFO L82 PathProgramCache]: Analyzing trace with hash 383954753, now seen corresponding path program 7 times [2021-10-19 14:25:00,004 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:25:00,004 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1315586108] [2021-10-19 14:25:00,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:25:00,005 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:25:00,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:25:00,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:25:00,238 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:25:00,238 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1315586108] [2021-10-19 14:25:00,238 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1315586108] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:25:00,238 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:25:00,238 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-10-19 14:25:00,238 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [357804780] [2021-10-19 14:25:00,239 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-10-19 14:25:00,239 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:25:00,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-10-19 14:25:00,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2021-10-19 14:25:00,239 INFO L87 Difference]: Start difference. First operand 735 states and 1337 transitions. Second operand has 14 states, 13 states have (on average 5.538461538461538) internal successors, (72), 14 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:00,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:25:00,670 INFO L93 Difference]: Finished difference Result 842 states and 1505 transitions. [2021-10-19 14:25:00,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-10-19 14:25:00,670 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 5.538461538461538) internal successors, (72), 14 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 72 [2021-10-19 14:25:00,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:25:00,671 INFO L225 Difference]: With dead ends: 842 [2021-10-19 14:25:00,671 INFO L226 Difference]: Without dead ends: 794 [2021-10-19 14:25:00,672 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 5 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 259.7ms TimeCoverageRelationStatistics Valid=160, Invalid=346, Unknown=0, NotChecked=0, Total=506 [2021-10-19 14:25:00,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 794 states. [2021-10-19 14:25:00,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 794 to 738. [2021-10-19 14:25:00,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 738 states, 736 states have (on average 1.8206521739130435) internal successors, (1340), 737 states have internal predecessors, (1340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:00,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 738 states to 738 states and 1340 transitions. [2021-10-19 14:25:00,677 INFO L78 Accepts]: Start accepts. Automaton has 738 states and 1340 transitions. Word has length 72 [2021-10-19 14:25:00,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:25:00,677 INFO L470 AbstractCegarLoop]: Abstraction has 738 states and 1340 transitions. [2021-10-19 14:25:00,677 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 5.538461538461538) internal successors, (72), 14 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:00,677 INFO L276 IsEmpty]: Start isEmpty. Operand 738 states and 1340 transitions. [2021-10-19 14:25:00,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-10-19 14:25:00,678 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:25:00,678 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:25:00,678 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable85 [2021-10-19 14:25:00,678 INFO L402 AbstractCegarLoop]: === Iteration 87 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-10-19 14:25:00,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:25:00,679 INFO L82 PathProgramCache]: Analyzing trace with hash 2073654307, now seen corresponding path program 8 times [2021-10-19 14:25:00,679 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:25:00,679 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [261552853] [2021-10-19 14:25:00,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:25:00,679 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:25:00,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:25:00,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:25:00,928 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:25:00,928 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [261552853] [2021-10-19 14:25:00,928 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [261552853] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:25:00,929 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:25:00,929 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-10-19 14:25:00,929 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1457858344] [2021-10-19 14:25:00,929 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-10-19 14:25:00,929 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:25:00,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-10-19 14:25:00,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2021-10-19 14:25:00,929 INFO L87 Difference]: Start difference. First operand 738 states and 1340 transitions. Second operand has 14 states, 13 states have (on average 5.538461538461538) internal successors, (72), 14 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:01,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:25:01,406 INFO L93 Difference]: Finished difference Result 824 states and 1479 transitions. [2021-10-19 14:25:01,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-19 14:25:01,407 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 5.538461538461538) internal successors, (72), 14 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 72 [2021-10-19 14:25:01,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:25:01,408 INFO L225 Difference]: With dead ends: 824 [2021-10-19 14:25:01,408 INFO L226 Difference]: Without dead ends: 756 [2021-10-19 14:25:01,408 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 1 SyntacticMatches, 5 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 215.0ms TimeCoverageRelationStatistics Valid=142, Invalid=320, Unknown=0, NotChecked=0, Total=462 [2021-10-19 14:25:01,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 756 states. [2021-10-19 14:25:01,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 756 to 733. [2021-10-19 14:25:01,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 733 states, 731 states have (on average 1.8235294117647058) internal successors, (1333), 732 states have internal predecessors, (1333), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:01,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 733 states to 733 states and 1333 transitions. [2021-10-19 14:25:01,413 INFO L78 Accepts]: Start accepts. Automaton has 733 states and 1333 transitions. Word has length 72 [2021-10-19 14:25:01,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:25:01,413 INFO L470 AbstractCegarLoop]: Abstraction has 733 states and 1333 transitions. [2021-10-19 14:25:01,413 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 5.538461538461538) internal successors, (72), 14 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:01,413 INFO L276 IsEmpty]: Start isEmpty. Operand 733 states and 1333 transitions. [2021-10-19 14:25:01,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-10-19 14:25:01,414 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:25:01,414 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:25:01,414 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable86 [2021-10-19 14:25:01,414 INFO L402 AbstractCegarLoop]: === Iteration 88 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-10-19 14:25:01,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:25:01,415 INFO L82 PathProgramCache]: Analyzing trace with hash -1853862571, now seen corresponding path program 9 times [2021-10-19 14:25:01,415 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:25:01,415 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [382722687] [2021-10-19 14:25:01,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:25:01,415 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:25:01,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:25:01,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:25:01,599 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:25:01,599 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [382722687] [2021-10-19 14:25:01,599 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [382722687] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:25:01,599 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:25:01,599 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-10-19 14:25:01,599 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101530556] [2021-10-19 14:25:01,599 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-10-19 14:25:01,599 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:25:01,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-10-19 14:25:01,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2021-10-19 14:25:01,600 INFO L87 Difference]: Start difference. First operand 733 states and 1333 transitions. Second operand has 14 states, 13 states have (on average 5.538461538461538) internal successors, (72), 14 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:01,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:25:01,886 INFO L93 Difference]: Finished difference Result 819 states and 1472 transitions. [2021-10-19 14:25:01,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-19 14:25:01,886 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 5.538461538461538) internal successors, (72), 14 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 72 [2021-10-19 14:25:01,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:25:01,887 INFO L225 Difference]: With dead ends: 819 [2021-10-19 14:25:01,887 INFO L226 Difference]: Without dead ends: 735 [2021-10-19 14:25:01,887 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 1 SyntacticMatches, 5 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 174.6ms TimeCoverageRelationStatistics Valid=141, Invalid=321, Unknown=0, NotChecked=0, Total=462 [2021-10-19 14:25:01,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 735 states. [2021-10-19 14:25:01,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 735 to 712. [2021-10-19 14:25:01,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 712 states, 710 states have (on average 1.8183098591549296) internal successors, (1291), 711 states have internal predecessors, (1291), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:01,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 712 states to 712 states and 1291 transitions. [2021-10-19 14:25:01,892 INFO L78 Accepts]: Start accepts. Automaton has 712 states and 1291 transitions. Word has length 72 [2021-10-19 14:25:01,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:25:01,893 INFO L470 AbstractCegarLoop]: Abstraction has 712 states and 1291 transitions. [2021-10-19 14:25:01,893 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 5.538461538461538) internal successors, (72), 14 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:01,893 INFO L276 IsEmpty]: Start isEmpty. Operand 712 states and 1291 transitions. [2021-10-19 14:25:01,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-10-19 14:25:01,893 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:25:01,893 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:25:01,893 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable87 [2021-10-19 14:25:01,894 INFO L402 AbstractCegarLoop]: === Iteration 89 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-10-19 14:25:01,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:25:01,894 INFO L82 PathProgramCache]: Analyzing trace with hash 1160980049, now seen corresponding path program 10 times [2021-10-19 14:25:01,894 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:25:01,894 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [258367221] [2021-10-19 14:25:01,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:25:01,894 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:25:01,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:25:02,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:25:02,106 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:25:02,106 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [258367221] [2021-10-19 14:25:02,106 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [258367221] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:25:02,106 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:25:02,106 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-10-19 14:25:02,106 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449055524] [2021-10-19 14:25:02,106 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-10-19 14:25:02,106 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:25:02,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-10-19 14:25:02,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2021-10-19 14:25:02,117 INFO L87 Difference]: Start difference. First operand 712 states and 1291 transitions. Second operand has 14 states, 13 states have (on average 5.538461538461538) internal successors, (72), 14 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:02,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:25:02,498 INFO L93 Difference]: Finished difference Result 777 states and 1389 transitions. [2021-10-19 14:25:02,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-10-19 14:25:02,499 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 5.538461538461538) internal successors, (72), 14 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 72 [2021-10-19 14:25:02,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:25:02,499 INFO L225 Difference]: With dead ends: 777 [2021-10-19 14:25:02,499 INFO L226 Difference]: Without dead ends: 729 [2021-10-19 14:25:02,500 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 5 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 224.9ms TimeCoverageRelationStatistics Valid=158, Invalid=348, Unknown=0, NotChecked=0, Total=506 [2021-10-19 14:25:02,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 729 states. [2021-10-19 14:25:02,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 729 to 706. [2021-10-19 14:25:02,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 706 states, 704 states have (on average 1.8167613636363635) internal successors, (1279), 705 states have internal predecessors, (1279), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:02,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 706 states to 706 states and 1279 transitions. [2021-10-19 14:25:02,505 INFO L78 Accepts]: Start accepts. Automaton has 706 states and 1279 transitions. Word has length 72 [2021-10-19 14:25:02,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:25:02,505 INFO L470 AbstractCegarLoop]: Abstraction has 706 states and 1279 transitions. [2021-10-19 14:25:02,505 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 5.538461538461538) internal successors, (72), 14 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:02,505 INFO L276 IsEmpty]: Start isEmpty. Operand 706 states and 1279 transitions. [2021-10-19 14:25:02,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-10-19 14:25:02,506 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:25:02,506 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:25:02,506 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable88 [2021-10-19 14:25:02,506 INFO L402 AbstractCegarLoop]: === Iteration 90 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-10-19 14:25:02,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:25:02,506 INFO L82 PathProgramCache]: Analyzing trace with hash 882282517, now seen corresponding path program 11 times [2021-10-19 14:25:02,506 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:25:02,506 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1569728708] [2021-10-19 14:25:02,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:25:02,507 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:25:02,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:25:02,721 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:25:02,721 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:25:02,721 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1569728708] [2021-10-19 14:25:02,721 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1569728708] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:25:02,721 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:25:02,721 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-10-19 14:25:02,722 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512988060] [2021-10-19 14:25:02,722 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-10-19 14:25:02,722 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:25:02,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-10-19 14:25:02,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2021-10-19 14:25:02,722 INFO L87 Difference]: Start difference. First operand 706 states and 1279 transitions. Second operand has 14 states, 13 states have (on average 5.538461538461538) internal successors, (72), 14 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:02,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:25:02,982 INFO L93 Difference]: Finished difference Result 719 states and 1297 transitions. [2021-10-19 14:25:02,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-19 14:25:02,982 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 5.538461538461538) internal successors, (72), 14 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 72 [2021-10-19 14:25:02,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:25:02,983 INFO L225 Difference]: With dead ends: 719 [2021-10-19 14:25:02,983 INFO L226 Difference]: Without dead ends: 602 [2021-10-19 14:25:02,983 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 1 SyntacticMatches, 5 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 190.1ms TimeCoverageRelationStatistics Valid=139, Invalid=323, Unknown=0, NotChecked=0, Total=462 [2021-10-19 14:25:02,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 602 states. [2021-10-19 14:25:02,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 602 to 579. [2021-10-19 14:25:02,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 579 states, 578 states have (on average 1.8633217993079585) internal successors, (1077), 578 states have internal predecessors, (1077), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:02,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 579 states and 1077 transitions. [2021-10-19 14:25:02,988 INFO L78 Accepts]: Start accepts. Automaton has 579 states and 1077 transitions. Word has length 72 [2021-10-19 14:25:02,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:25:02,988 INFO L470 AbstractCegarLoop]: Abstraction has 579 states and 1077 transitions. [2021-10-19 14:25:02,988 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 5.538461538461538) internal successors, (72), 14 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:02,988 INFO L276 IsEmpty]: Start isEmpty. Operand 579 states and 1077 transitions. [2021-10-19 14:25:02,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-10-19 14:25:02,988 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:25:02,988 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:25:02,999 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable89 [2021-10-19 14:25:03,000 INFO L402 AbstractCegarLoop]: === Iteration 91 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-10-19 14:25:03,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:25:03,000 INFO L82 PathProgramCache]: Analyzing trace with hash 1910902932, now seen corresponding path program 5 times [2021-10-19 14:25:03,000 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:25:03,000 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585516799] [2021-10-19 14:25:03,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:25:03,000 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:25:03,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:25:03,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:25:03,288 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:25:03,288 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [585516799] [2021-10-19 14:25:03,288 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [585516799] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:25:03,288 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:25:03,288 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2021-10-19 14:25:03,288 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [531199262] [2021-10-19 14:25:03,288 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-10-19 14:25:03,288 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:25:03,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-10-19 14:25:03,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=196, Unknown=0, NotChecked=0, Total=240 [2021-10-19 14:25:03,289 INFO L87 Difference]: Start difference. First operand 579 states and 1077 transitions. Second operand has 16 states, 15 states have (on average 4.8) internal successors, (72), 16 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:04,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:25:04,274 INFO L93 Difference]: Finished difference Result 1262 states and 2317 transitions. [2021-10-19 14:25:04,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-19 14:25:04,274 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 4.8) internal successors, (72), 16 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 72 [2021-10-19 14:25:04,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:25:04,275 INFO L225 Difference]: With dead ends: 1262 [2021-10-19 14:25:04,275 INFO L226 Difference]: Without dead ends: 801 [2021-10-19 14:25:04,276 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 1 SyntacticMatches, 9 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 108 ImplicationChecksByTransitivity, 553.9ms TimeCoverageRelationStatistics Valid=330, Invalid=662, Unknown=0, NotChecked=0, Total=992 [2021-10-19 14:25:04,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 801 states. [2021-10-19 14:25:04,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 801 to 462. [2021-10-19 14:25:04,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 462 states, 461 states have (on average 1.8286334056399132) internal successors, (843), 461 states have internal predecessors, (843), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:04,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 462 states and 843 transitions. [2021-10-19 14:25:04,280 INFO L78 Accepts]: Start accepts. Automaton has 462 states and 843 transitions. Word has length 72 [2021-10-19 14:25:04,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:25:04,280 INFO L470 AbstractCegarLoop]: Abstraction has 462 states and 843 transitions. [2021-10-19 14:25:04,280 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 4.8) internal successors, (72), 16 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:04,280 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 843 transitions. [2021-10-19 14:25:04,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-10-19 14:25:04,281 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:25:04,281 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:25:04,281 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90 [2021-10-19 14:25:04,281 INFO L402 AbstractCegarLoop]: === Iteration 92 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-10-19 14:25:04,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:25:04,281 INFO L82 PathProgramCache]: Analyzing trace with hash 1775157464, now seen corresponding path program 6 times [2021-10-19 14:25:04,281 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:25:04,281 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [512934409] [2021-10-19 14:25:04,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:25:04,281 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:25:04,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:25:04,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:25:04,497 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:25:04,497 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [512934409] [2021-10-19 14:25:04,497 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [512934409] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:25:04,497 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:25:04,497 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2021-10-19 14:25:04,497 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729361724] [2021-10-19 14:25:04,497 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-10-19 14:25:04,498 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:25:04,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-10-19 14:25:04,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=198, Unknown=0, NotChecked=0, Total=240 [2021-10-19 14:25:04,498 INFO L87 Difference]: Start difference. First operand 462 states and 843 transitions. Second operand has 16 states, 15 states have (on average 4.8) internal successors, (72), 16 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:05,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:25:05,205 INFO L93 Difference]: Finished difference Result 756 states and 1381 transitions. [2021-10-19 14:25:05,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-19 14:25:05,205 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 4.8) internal successors, (72), 16 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 72 [2021-10-19 14:25:05,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:25:05,206 INFO L225 Difference]: With dead ends: 756 [2021-10-19 14:25:05,206 INFO L226 Difference]: Without dead ends: 436 [2021-10-19 14:25:05,206 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 1 SyntacticMatches, 9 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 377.9ms TimeCoverageRelationStatistics Valid=250, Invalid=562, Unknown=0, NotChecked=0, Total=812 [2021-10-19 14:25:05,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 436 states. [2021-10-19 14:25:05,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 436 to 396. [2021-10-19 14:25:05,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 396 states, 395 states have (on average 1.8075949367088608) internal successors, (714), 395 states have internal predecessors, (714), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:05,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 396 states and 714 transitions. [2021-10-19 14:25:05,209 INFO L78 Accepts]: Start accepts. Automaton has 396 states and 714 transitions. Word has length 72 [2021-10-19 14:25:05,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:25:05,209 INFO L470 AbstractCegarLoop]: Abstraction has 396 states and 714 transitions. [2021-10-19 14:25:05,209 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 4.8) internal successors, (72), 16 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:05,209 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 714 transitions. [2021-10-19 14:25:05,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-10-19 14:25:05,210 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:25:05,210 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:25:05,210 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable91 [2021-10-19 14:25:05,210 INFO L402 AbstractCegarLoop]: === Iteration 93 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-10-19 14:25:05,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:25:05,210 INFO L82 PathProgramCache]: Analyzing trace with hash 2026152626, now seen corresponding path program 7 times [2021-10-19 14:25:05,210 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:25:05,211 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [892414858] [2021-10-19 14:25:05,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:25:05,211 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:25:05,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:25:05,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:25:05,495 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:25:05,495 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [892414858] [2021-10-19 14:25:05,495 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [892414858] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:25:05,495 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:25:05,495 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2021-10-19 14:25:05,495 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187632289] [2021-10-19 14:25:05,495 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-10-19 14:25:05,495 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:25:05,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-10-19 14:25:05,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=196, Unknown=0, NotChecked=0, Total=240 [2021-10-19 14:25:05,496 INFO L87 Difference]: Start difference. First operand 396 states and 714 transitions. Second operand has 16 states, 15 states have (on average 4.8) internal successors, (72), 16 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:06,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:25:06,188 INFO L93 Difference]: Finished difference Result 536 states and 955 transitions. [2021-10-19 14:25:06,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-10-19 14:25:06,188 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 4.8) internal successors, (72), 16 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 72 [2021-10-19 14:25:06,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:25:06,189 INFO L225 Difference]: With dead ends: 536 [2021-10-19 14:25:06,189 INFO L226 Difference]: Without dead ends: 424 [2021-10-19 14:25:06,189 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 1 SyntacticMatches, 9 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 424.8ms TimeCoverageRelationStatistics Valid=246, Invalid=510, Unknown=0, NotChecked=0, Total=756 [2021-10-19 14:25:06,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 424 states. [2021-10-19 14:25:06,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 424 to 384. [2021-10-19 14:25:06,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 384 states, 383 states have (on average 1.8015665796344646) internal successors, (690), 383 states have internal predecessors, (690), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:06,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 384 states and 690 transitions. [2021-10-19 14:25:06,192 INFO L78 Accepts]: Start accepts. Automaton has 384 states and 690 transitions. Word has length 72 [2021-10-19 14:25:06,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:25:06,192 INFO L470 AbstractCegarLoop]: Abstraction has 384 states and 690 transitions. [2021-10-19 14:25:06,192 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 4.8) internal successors, (72), 16 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:06,192 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 690 transitions. [2021-10-19 14:25:06,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-10-19 14:25:06,193 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:25:06,193 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:25:06,193 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable92 [2021-10-19 14:25:06,193 INFO L402 AbstractCegarLoop]: === Iteration 94 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-10-19 14:25:06,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:25:06,193 INFO L82 PathProgramCache]: Analyzing trace with hash 1890407158, now seen corresponding path program 8 times [2021-10-19 14:25:06,193 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:25:06,194 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [904085566] [2021-10-19 14:25:06,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:25:06,194 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:25:06,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:25:06,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:25:06,462 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:25:06,462 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [904085566] [2021-10-19 14:25:06,462 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [904085566] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:25:06,462 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:25:06,462 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2021-10-19 14:25:06,462 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979788447] [2021-10-19 14:25:06,463 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-10-19 14:25:06,463 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:25:06,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-10-19 14:25:06,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=198, Unknown=0, NotChecked=0, Total=240 [2021-10-19 14:25:06,463 INFO L87 Difference]: Start difference. First operand 384 states and 690 transitions. Second operand has 16 states, 15 states have (on average 4.8) internal successors, (72), 16 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:07,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:25:07,032 INFO L93 Difference]: Finished difference Result 678 states and 1228 transitions. [2021-10-19 14:25:07,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-19 14:25:07,032 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 4.8) internal successors, (72), 16 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 72 [2021-10-19 14:25:07,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:25:07,033 INFO L225 Difference]: With dead ends: 678 [2021-10-19 14:25:07,033 INFO L226 Difference]: Without dead ends: 391 [2021-10-19 14:25:07,033 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 1 SyntacticMatches, 9 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 426.8ms TimeCoverageRelationStatistics Valid=258, Invalid=554, Unknown=0, NotChecked=0, Total=812 [2021-10-19 14:25:07,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 391 states. [2021-10-19 14:25:07,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 391 to 351. [2021-10-19 14:25:07,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 351 states, 350 states have (on average 1.782857142857143) internal successors, (624), 350 states have internal predecessors, (624), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:07,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 351 states and 624 transitions. [2021-10-19 14:25:07,036 INFO L78 Accepts]: Start accepts. Automaton has 351 states and 624 transitions. Word has length 72 [2021-10-19 14:25:07,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:25:07,036 INFO L470 AbstractCegarLoop]: Abstraction has 351 states and 624 transitions. [2021-10-19 14:25:07,036 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 4.8) internal successors, (72), 16 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:07,036 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 624 transitions. [2021-10-19 14:25:07,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-10-19 14:25:07,037 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:25:07,037 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:25:07,037 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable93 [2021-10-19 14:25:07,037 INFO L402 AbstractCegarLoop]: === Iteration 95 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-10-19 14:25:07,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:25:07,037 INFO L82 PathProgramCache]: Analyzing trace with hash -775533902, now seen corresponding path program 9 times [2021-10-19 14:25:07,037 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:25:07,037 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1578134366] [2021-10-19 14:25:07,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:25:07,038 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:25:07,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:25:07,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:25:07,313 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:25:07,313 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1578134366] [2021-10-19 14:25:07,314 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1578134366] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:25:07,314 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:25:07,314 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2021-10-19 14:25:07,314 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664089554] [2021-10-19 14:25:07,314 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-10-19 14:25:07,314 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:25:07,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-10-19 14:25:07,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=225, Unknown=0, NotChecked=0, Total=272 [2021-10-19 14:25:07,314 INFO L87 Difference]: Start difference. First operand 351 states and 624 transitions. Second operand has 17 states, 16 states have (on average 4.5) internal successors, (72), 17 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:07,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:25:07,773 INFO L93 Difference]: Finished difference Result 346 states and 615 transitions. [2021-10-19 14:25:07,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-10-19 14:25:07,773 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 4.5) internal successors, (72), 17 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 72 [2021-10-19 14:25:07,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:25:07,773 INFO L225 Difference]: With dead ends: 346 [2021-10-19 14:25:07,773 INFO L226 Difference]: Without dead ends: 0 [2021-10-19 14:25:07,773 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 8 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 109 ImplicationChecksByTransitivity, 399.0ms TimeCoverageRelationStatistics Valid=190, Invalid=460, Unknown=0, NotChecked=0, Total=650 [2021-10-19 14:25:07,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-19 14:25:07,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-19 14:25:07,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:07,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-19 14:25:07,774 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 72 [2021-10-19 14:25:07,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:25:07,774 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-19 14:25:07,774 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 4.5) internal successors, (72), 17 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:07,774 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-19 14:25:07,774 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-19 14:25:07,777 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:25:07,778 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:25:07,781 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:25:07,781 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-19 14:25:07,781 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:25:07,781 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:25:07,781 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:25:07,781 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:25:07,781 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable94 [2021-10-19 14:25:07,786 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-19 14:25:07,786 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-19 14:25:07,790 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.10 02:25:07 BasicIcfg [2021-10-19 14:25:07,790 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-19 14:25:07,791 INFO L168 Benchmark]: Toolchain (without parser) took 83438.60 ms. Allocated memory was 187.7 MB in the beginning and 574.6 MB in the end (delta: 386.9 MB). Free memory was 135.9 MB in the beginning and 224.9 MB in the end (delta: -89.0 MB). Peak memory consumption was 298.8 MB. Max. memory is 8.0 GB. [2021-10-19 14:25:07,792 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 187.7 MB. Free memory is still 154.1 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-10-19 14:25:07,793 INFO L168 Benchmark]: CACSL2BoogieTranslator took 462.05 ms. Allocated memory is still 187.7 MB. Free memory was 135.6 MB in the beginning and 147.6 MB in the end (delta: -12.1 MB). Peak memory consumption was 12.2 MB. Max. memory is 8.0 GB. [2021-10-19 14:25:07,793 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.07 ms. Allocated memory is still 187.7 MB. Free memory was 147.6 MB in the beginning and 145.0 MB in the end (delta: 2.6 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-10-19 14:25:07,793 INFO L168 Benchmark]: Boogie Preprocessor took 16.88 ms. Allocated memory is still 187.7 MB. Free memory was 145.0 MB in the beginning and 143.4 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-10-19 14:25:07,794 INFO L168 Benchmark]: RCFGBuilder took 509.81 ms. Allocated memory is still 187.7 MB. Free memory was 143.4 MB in the beginning and 128.8 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. [2021-10-19 14:25:07,794 INFO L168 Benchmark]: TraceAbstraction took 82414.74 ms. Allocated memory was 187.7 MB in the beginning and 574.6 MB in the end (delta: 386.9 MB). Free memory was 128.2 MB in the beginning and 224.9 MB in the end (delta: -96.6 MB). Peak memory consumption was 290.8 MB. Max. memory is 8.0 GB. [2021-10-19 14:25:07,795 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 187.7 MB. Free memory is still 154.1 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 462.05 ms. Allocated memory is still 187.7 MB. Free memory was 135.6 MB in the beginning and 147.6 MB in the end (delta: -12.1 MB). Peak memory consumption was 12.2 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 30.07 ms. Allocated memory is still 187.7 MB. Free memory was 147.6 MB in the beginning and 145.0 MB in the end (delta: 2.6 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 16.88 ms. Allocated memory is still 187.7 MB. Free memory was 145.0 MB in the beginning and 143.4 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 509.81 ms. Allocated memory is still 187.7 MB. Free memory was 143.4 MB in the beginning and 128.8 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 82414.74 ms. Allocated memory was 187.7 MB in the beginning and 574.6 MB in the end (delta: 386.9 MB). Free memory was 128.2 MB in the beginning and 224.9 MB in the end (delta: -96.6 MB). Peak memory consumption was 290.8 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 916]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 916]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 927]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 916]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 916]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 124 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 82291.0ms, OverallIterations: 95, TraceHistogramMax: 1, EmptinessCheckTime: 164.6ms, AutomataDifference: 60456.8ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 49.1ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 16349 SDtfs, 40428 SDslu, 52655 SDs, 0 SdLazy, 72170 SolverSat, 7897 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 33599.6ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2633 GetRequests, 95 SyntacticMatches, 325 SemanticMatches, 2213 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6774 ImplicationChecksByTransitivity, 26772.8ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=1845occurred in iteration=23, InterpolantAutomatonStates: 1502, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 1918.0ms AutomataMinimizationTime, 95 MinimizatonAttempts, 65432 StatesRemovedByMinimization, 94 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 143.4ms SsaConstructionTime, 730.5ms SatisfiabilityAnalysisTime, 18014.8ms InterpolantComputationTime, 5588 NumberOfCodeBlocks, 5588 NumberOfCodeBlocksAsserted, 95 NumberOfCheckSat, 5493 ConstructedInterpolants, 0 QuantifiedInterpolants, 86323 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 95 InterpolantComputations, 95 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 5 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2021-10-19 14:25:07,837 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...